-Wednesday 13 June Laparoscopy Course 1 & 2..........................................................................pag................ Experimental Research Club Joint Trainee Session Hystory Club Oncology Course .................................................................................................. ... BAPS Exe Board Meeting EJPS Edit. Board Meeting Scandinavian Meeting EUPSA Offices Meeting EUPSA Exe Board Meeting UEMS Exe Council Meeting -Thursday June 14 th .................................................................................................. ... Opening Ceremony Scientific Sessions European Congress Lecture JPS Editors Meeting EJPS Editor Meeting Meet the Expert Lunches 1 & 2 Poster Walk 1 -Friday, June 15th ....................................................................... PSI Executive Editorial Board Meeting……………………………………………pag. JPS Publication Selection Committee EJPS Publication selection Committee Scientific Sessions JPS State of Art Lecture Duhamel Lecture Scientific Session VUR Symposium Denis Browne Medal ………………………………………………………………….pag. Poster Walk 2 BAPS International Forum Meet the Expert Lunch 3 & 4 EUPSA GA BAPS Council BAPS General Assembly UEMS / EBPS Exams UEMS Site Visit Awards UEMS General Council Meeting Saturday, June 16 th....................................................................... Scientific Sessions Storz Lecture EUPSA Network Office Report Honors and Medal Meet the Expert Lunch 5 & 6 Poster Walk 3 Poster Session Presentation Preparation of a Manuscript for publication Course WOFAPS Executive Board and GA JPS Publication Selection Committee EJPS Publication Selection Committee Prizes WEDNESDAY JUNE 13th LAPAROSCOPY COURSE 1 - LAPAROSCOPY COURSE 2 VENUE: “OSPITI” ROOM JOINT TRAINEES SESSION VENUE: “SERRA” ROOM 09.00 – 14.00 EXPERIMENTAL RESEARCH CLUB VENUE: “SERRA” ROOM 14.00 – 17.30 HISTORY CLUB VENUE: “STUDIO 2” ROOM 13.00 – 16.00 ONCOLOGY COURSE VENUE: “STUDIO 3” ROOM 08.30 – 12.30 Lunch 13.30 – 18.30 THURSDAY JUNE 14th OPENING CEREMONY VENUE: “SINOPOLI” HALL 08.00 – 09.00 VENUE: “SINOPOLI” HALL SCIENTIFIC SESSION I - NEC / INTESTINAL FAILURE (Oral Communications) 00109.00-09.10 TIMING OF OPTIMAL SURGICAL INTERVENTION FOR NEONATES WITH NECROTIZING ENTEROCOLITIS C P Gayer1, A J Munaco1, K B Nagappala1, M D Klein1, 1The Children's Hospital of Michigan, Detroit, MI, USA 00209.10-09.20 THE OUTCOME OF NEONATES UNDERGOING LAPAROTOMY FOR NECROTISING ENTEROCOLITIS ON THE NEONATAL INTENSIVE CARE UNIT: A 10-YEAR REVIEW N Wright1, M Thyoka1, M Peters1, P De Coppi1, K Cross1, D Drake1, A Pierro1, E Kiely1, J Curry1, 1Great Ormond Street Hospital for Children, London, UK 00309.20-09.25 NON-INVASIVE MEASUREMENT OF FECAL CALPROTECTIN AND SERUM AMYLOID A (SAA) COMBINED WITH INTESTINAL FATTY ACID BINDING PROTEIN (I-FABP) IN NECROTIZING ENTEROCOLITIS (NEC) K Reisinger1, J Derikx1, D Van der Zee2, H Brouwers2, B Kramer1, W Buurman1, L Van Heurn1, 1MUMC, Maastricht, The Netherlands, 2UMC Utrecht, Utrecht, The Netherlands 00409.25-09.30 NECROTIZING ENTEROCOLITIS (NEC) AND THE PLACENTA – A KEY ETIOLOGICAL FACTOR S Moore1, C Wright1, 1University of Stellenbosch, Cape Town, South Africa 00509.30-09.35 ABDOMINAL AND CEREBRAL FRACTIONAL TISSUE OXYGEN EXTRACTION AS INDICATOR OF CIRCULATORY FAILURE IN PRETERM INFANTS WITH SUSPECTED NECROTIZING ENTEROCOLITIS E Kooi1, M Van der Laan1, J Hulscher1, M Schurink1, A Bos1, 1, University Medical Center Groningen, Groningen, The Netherlands 00609.35-09.40 EARLY ENTERAL STRESSORS IN NEWBORNS INCREASE INFLAMMATORY CYTOKINE EXPRESSION IN A NEONATAL NECROTIZING ENTEROCOLITIS RAT MODEL R Rentea1, K Fredrich1, K Oldham1, K Pritchard1, D Gourlay1, J Liedel1, 1Medical College of Wisconsin, Milwaukee, USA 00709.40-09.50 ISCHEMIA REPERFUSION INCREASES LPS SENSITIVITY OF THE MURINE INTESTINAL EPITHELIUM BY IRAK-1 UPREGULATION. Y Yu1, C Chassin1, M Hornef1, B Ure1, J Kuebler1, 1Medical University Hannover, Hannover, Germany 00809.50-10.00 15 YEARS OF INFANT INTESTINAL FAILURE AT A SINGLE INSTITUTION J Minford3, H Garrett2, E Whittle2, S Irving1, M Dalzell1, 1Department of Paediatric Gastroenterology, Alder Hey Children's Hospital, Liverpool, UK, 2Department of Nutrition and Dietetics, Alder Hey Children's Hospital, Liverpool, UK, 3Department of Paediatric Surgery, Alder Hey Children's Hospital, Liverpool, UK 00910.00-10.10 LONG-TERM NUTRITIONAL STATUS AFTER SMALL BOWEL TRANSPLANTATION: AN UPDATE A Andres1, F Hernandez1, JL Encinas1, V Amesty1, S Lopez1, R Ortiz1, E Gonzalez3, E Ramos2, J Sarria2, M Molina2, E Martinez-Ojinaga2, G Prieto2, M Lopez Santamaria1, JA Tovar1, 1Hospital La Paz. Pediatric Surgery, Madrid, Spain, 2Hospital La Paz. Pediatric Gastroenterology, Madrid, Spain, 3Hospital La Paz. Statistics Department, Madrid, Spain 01010.10-10.15 LONG-TERM EFFECTS OF INTESTINAL FAILURE ON BONE HEALTH IN CHILDREN AND YOUNG ADULTS A Kurvinen1, O Mäkitie2, MP Pakarinen1, 1Section of Pediatric Surgery, Children's Hospital, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland, 2 Department of Pediatrics, Children's Hospital, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland 01110.15-10.20 THE GAP IN REFERRAL CRITERIA FOR PEDIATRIC INTESTINAL TRANSPLANTATION: A MULTI INSTITUTIONAL INQUIRY MC Struijs1, C Sloots1, D Tibboel1, J IJzermans2, 1Erasmus MC - Sophia, Rotterdam, The Netherlands, 2Erasmus MC, Rotterdam, The Netherlands 01210.20-10.25 AUTOLOGOUS INTESTINAL RECONSTRUCTION SURGERY IN TREATMENT OF SEVERE SHORT BOWEL SYNDROME M Pakarinen1, A Kurvinen1, A Koivusalo1, T Iber2, R Rintala1, 1Children's Hospital, University of Helsinki, Helsinki, Finland, 2Tampere University Central Hospital, Tampere, Finland 01310.25-10.30 TRANSFORMING GROWTH FACTOR-BETA (TGF-β) AFFECTS ENTEROCYTE TURNOVER IN CORRELATION WITH TGF-β RECEPTOR EXPRESSION AFTER MASSIVE SMALL BOWEL RESECTION IN A RAT. I Sukhotnik1, S Ben Lulu1, Y Pollak1, J Bejar1, A G Coran2, J G Mogilner1, 1Technion-Israel Institute of Technology, the Ruth & Bruce Rappaport Faculty of Medicine, Dept of Pediatric Surgery and Pathology, Bnai Zion Medical Center, Haifa, Israel, 2Section of Pediatric Surgery C.S. Mott Children’s Hospital and University of Michigan Medical School, Ann Arbor, Michigan, USA EUROPEAN CONGRESS LECTURE VENUE: “SINOPOLI” ROOM 10.30 – 11.00 SCIENTIFIC SESSION II - LOWER GI (Oral Communications) 01411.30-11.40 POSTERIOR SAGITALL ANORECTOPLASTY IN COMPARISON TO STEPHENS PROCEDURE AND ABDOMINOPERINEAL PULLTHROUGH PROCEDURES: ADULT OUTCOME J Danielson1, Leif Olsen1, U Karlbom3, W Graf3, T Wester2, 1Institution of Women and Children´s health, Uppsala University, Uppsala, Sweden, 2Department of Pediatric Surgery, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden, 3Institution of Surgical sciences, Uppsala University, Uppsala, Sweden 01511.40-11.50 PROSPECTIVE LONG-TERM FOLLOW-UP OF CHILDREN WITH ANORECTAL MALFORMATION: GROWTH AND DEVELOPMENT UNTIL 5 YEARS OF AGE D Van den Hondel1, CEJ Sloots1, SJ Gischler1, CJHM Meeussen1, I De Blaauw1, H IJsselstijn1, 1Department of Pediatric Surgery and Intensive Care; Erasmus MC - Sophia Children's Hospital, Rotterdam, The Netherlands 01611.50-12.00 LAPAROSCOPIC ASSISTED PSARP; THE ADVANTAGES OF COMBINING BOTH TECHNIQUES FOR THE TREATMENT OF ARM WITH RECTO BLADDERNECK OR HIGH PROSTATIC FISTULA MA Levitt1, A Bischoff1, A Peña1, 1Cincinnati Children's Hospital, Cincinnati, Ohio, USA 01712.00-12.05 LONG-TERM FUNCTIONAL OUTCOMES IN 43 MALES WITH RECTOPERINEAL FISTULA OR EQUIVALENT LOW ANORECTAL ANOMALY IN RELATION TO 129 AGE-AND GENDERMATCHED CONTROLS K Kyrklund1, A Koivusalo1, S Taskinen1, R J Rintala1, M P Pakarinen1, 1University of Helsinki, Hospital for Children and Adolescents, Helsinki, Finland 01812.05-12.10 LONG-TERM FUNCTIONAL OUTCOMES IN 45 FEMALES WITH ANTERIOR ECTOPIC ANUS IN RELATION TO 135 AGE-AND GENDER-MATCHED CONTROLS K Kyrklund1, A Koivusalo1, S Taskinen1, R J Rintala1, M P Pakarinen1, 1University of Helsinki, Hospital for Children and Adolescents, Helsinki, Finland 01912.10-12.15 BODY IMAGE AND SELF-ESTEEM OF ADULTS FEMALE PATIENTS WITH ANORECTAL MALFORMATION. E Robert1, E Aubry1, C Frochisse1, B Letombe1, M Bonnevalle1, R Besson1, 1CHRU, Hôpital Jeanne de Flandre, Lille, France 02012.15-12.20 VAGINAL SWITCH – A USEFUL TECHNICAL ALTERNATIVE TO VAGINAL REPLACEMENT FOR SELECT CASES OF CLOACA AND UROGENITAL SINUS A Bischoff1, MA Levitt1, L Breech1, J Hall1, A Peña1, 1Cincinnati Children's Hospital, Cincinnati, Ohio, USA 02112.20-12.25 INTERNAL ANAL SPHINCTER DEFECTS AFTER SURGERY FOR HIRSCHSPRUNG’S DISEASE KJ Stensrud1, R Emblem2, K Bjørnland2, 1Oslo University Hospital / Department of Paediatric Surgery, Oslo, Norway, 2Oslo University Hospital AND University of Oslo, Oslo, Norway 02212.25-12.35 TRANSANAL ENDORECTAL PULL-THROUGH VERSUS TRANSABDOMINAL APPROACH FOR HIRSCHSPRUNG’S DISEASE: A META-ANALYSIS C Yong1, S Nah1, J Chua1, L Yee1, N Laksmi1, 1KK Women's and Children'sHospital, Singapore, Singapore 02312.35-12.45 CORTICOSTEROID-MEDIATED STRESS SIGNIFICANTLY IMPACTS THE SEVERITY OF HIRSCHSPRUNG-ASSOCIATED ENTEROCOLITIS (HAEC) IN MURINE MODELS OF HIRSCHSPRUNG DISEASE Z Cheng1, X Wang1, L Zhao1, D Dhall1, P Frykman1, 1Cedars-Sinai Medical Center, Los Angeles, California, USA 02412.45-12.50 FAILURE OF INTRASPHINCTERIC BOTULINUM TOXIN A INJECTION IN HIRSCHSPRUNG DISEASE: INDUCTION OF TOXIN NEUTRALIZING ANTIBODIES? L Ali1, C Capito1, D Berrebi1, C Jung1, C Mazuet3, A Bonnard1, 1Robert Debre Hospital, APHP, Paris, France, 2Paris VII University, Paris, France, 3Pasteur Institute, Paris, France 02512.50-13.00 CORRELATION OF GENE ALTERATIONS TO HISTOLOGIC, INFLAMMATORY MEDIATOR, AND MUCOSAL MASS FOLLOWING GROWTH FACTOR AND OMEGA-3 EXPOSURE USING A RAT MODEL OF IBD M. Katz1, K. Thatch1, M. Schwartz1, 1St. Christopher's Hospital for Children, Philadelphia, PA, USA Lunch: 13.00 – 14.30 POSTER WALK 1 Upper GI 1 297 LONG-TERM FOLLOW-UP AFTER PYLOROMYOTOMY IN INFANCY - A POPULATION BASED COHORT STUDY A Svenningsson1, T Svensson2, O Akre2, A Nordenskjöld1, 1Astrid Lindgren Children's Hospital Department of Pediatric Surgery, Karolinska Institutet, Stockholm, Sweden, 2Department of Clinical Epidemiology, Karolinska Institutet, Stockholm, Sweden 298 PARTIAL FUNDOPLICATION IS SUPERIOR TO TOTAL FUNDOPLICATION IN CHILDREN WITH GASTROESOPHAGEAL REFLUX DISEASE: RESULTS OF A SYSTEMATIC REVIEW F.A. Mauritz1, M.G.H. van Oijen2, B.A. Blomberg1, P.D. Siersema2, D.C. van der Zee1, M.Y.A. van Herwaarden-Lindeboom1, 1Department of Pediatric Surgery, Wilhelmina Children’s Hospital, University Medical Center Utrecht, Utrecht, The Netherlands, 2Department of Gastroenterology and Hepatology, University Medical Center Utrecht, Utrecht, The Netherlands 299 THE PROBLEMS OF LONG-GAP ESOPHAGEAL ATRESIA, FAILED REPAIRS, AND LONG STRICTURES SOLVED BY INDUCING ESOPHAGEAL GROWTH: A MID-TERM FOLLOW-UP J Foker1, T Krosch1, K Catton1, K Khan1, B Harvey1, 1University of Minnesota, Minneapolis, MN, USA 300 DO SMALL BOWEL SEROSAL TEARS PERFORATE DUE TO RAISED INTRALUMINAL PRESSURE? M Tsai1, A Grieve1, M Brand1, G Candy1, 1University of Witwatersrand, Johannesburg/Gauteng, South Africa 301 THE EFFECTIVENESS OF SYSTEMIC APPLIED ALLOGENIC MESENCHYMAL STEM CELL TRANSPLANTATION ON EXPERIMENTAL ESOPHAGEAL INJURY M KANTARCIOGLU1, B CALISKAN2, G CELEBI1, O KARACALI3, A GUVEN2, Z POLAT1, A UGUR URAL4, F AVCU4, S BAGCI1, 1Gulhane Military Medical Faculty Department of Gastroenterolgy, Ankara, Turkey, 2 Gulhane Military Medical Faculty Department of Pediatric Surgery, Ankara, Turkey, 3Gulhane Military Medical Faculty Department of Nuclear Medicine, Ankara, Turkey, 4Gulhane Military Medical Faculty Department of Hematology, Ankara, Turkey 302 FLUOROSCOPIC BALLOON DILATATION OF OESOPHAGEAL ATRESIA ANASTOMOTIC STRICTURES IN CHILDREN M Thyoka1, A Barnacle2, S Chippington2, S Eaton1, EM Kiely2, D Drake2, K Cross2, P De Coppi1, J Pierro2, J Curry1, D Roebuck2, 1UCL Institute of Child Health & Great Ormond Street Hospital for Children, London, UK, 2Great Ormond Street Hospital for Children, London, UK 303 OESOPHAGEAL REPLACEMENT IN CHILDREN: A META-ANALYSIS OF THE MOST RECENT EXPERIENCES WITH EMPHASIS ON LONG GAP OESOPHAGEAL ATRESIA G Gallo1, S Zwaveling2, H Groen3, D Van der Zee2, J Hulscher1, 1Department of Pediatric Surgery, University Medical Center Groningen, Groningen, The Netherlands, 2Department of Pediatric Surgery, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands, 3 Department of Epidemiology, University Medical Center Groningen, Groningen, The Netherlands 304 L-GLUTAMINE ATTENUATES CAUSTIC ESOPHAGEAL INJURY IN RATS O Arslan1, O Okur1, G Diniz1, A Karkiner1, H Evciler1, A Dursun1, M Yildiz1, N Aksoy1, M Hosgor1, 1Dr. Behcet Uz Children's Hospital, Izmir, Turkey 305 CHILDREN WITH SEVERE NEUROLOGICAL IMPAIRMENT: THE IMPACT OF LAPAROSOPIC FUNDOPLICATIO OR PERCUTANEOUS ENDOSCOPIC GASTRO-JEJUNOSTOMY ON CARER GIVERS’ QUALITY OF LIFE E Caponcelli1, L Maestri1, G Fava1, M Meroni1, F Marinoni1, D Consonni2, G Riccipetitoni1, 1Buzzi Children's Hospital, Pediatric Surgery Department, Milan, Italy, 2IRCCS Cà Granda, Unit of Epidemiology, Milan, Italy 306 IS ABANDONMENT OF NONOPERATIVE TREATMENT OF HYPERTROPHIC PYLORIC STENOSIS WARRANTED? M Lukac1, D Vujovic2, S Sindjic1, T Krstajic2, P Pavicevic1, 1School of Medicine - University of Belgrade, Belgrade, Serbia, 2University Children's Hospital, Belgrade, Serbia 307 USEFULNESS NEAR INFRA-RED SPECTROSCOPY (NIRS) IN NEWBORNS TREATED FOR ESOPHAGEAL ATRESIA (EA) A Conforti1, P Giliberti1, V Mondo1, S Sgro'1, P Bozza1, A Dotta1, P Bagolan1, 1Bambino Gesu' Children's Hospital, Rome, Italy 308 THE ROLE OF PARENTERAL NUTRITION FOLLOWING SURGERY FOR DUODENAL ATRESIA OR STENOSIS M Bishay1, B Lakshminarayanan2, A Arnaud2, M Garriboli1, KM Cross2, JI Curry2, DP Drake2, EM Kiely2, P De Coppi1, A Pierro1, S Eaton3, 1UCL Institute of Child Health and Great Ormond Street Hospital for Children, London, UK, 2Great Ormond Street Hospital for Children, London, UK, 3UCL Institute of Child Health, London, UK POSTER WALK Lower GI 1 249 STAPLED BOWEL ANASTOMOSIS IN NEWBORN SURGERY Yury Kozlov1, Vladimir Novogilov1, Andrey Rasputin1, Marina Kononenko1, Pavel Yurkov1, Irina Weber1, 1Pediatric Hospital, Irkutsk, Russia 250 HOME-BASED TRANSCUTANEOUS ELECTRICAL STIMULATION (TES) IMPROVED SYMPTOMS AND REDUCED LAXATIVE USE IN CHILDREN WITH SLOW-TRANSIT CONSTIPATION (STC) Y.I. Yik1, J.M. Hutson2, B.R. Southwell3, 1Department of General Surgery, Faculty of Medicine, University of Malaya, Kuala Lumpur, Selangor, Malaysia, 2Department of Urology, Royal Children's Hospital, Melbourne, Victoria, Australia, 3F Douglas Stephens Surgical Research Laboratory, Murdoch Children’s Research Institute, Melbourne, Victoria, Australia 251 DOES ROUTINE ANAL DILATATIONS IMPROVE FUNCTIONAL OUTCOME, REDUCE ANAL STENOSIS AND ENTEROCOLITIS RATE POST SURGERY FOR HIRSCHSPRUNG’S DISEASE. O.M. Aworanti1, J. Hung1, D McDowell1, I.M. Martin1, F. Quinn1, 1Our Lady's Hospital For Children, Crumlin, Dublin, Ireland 252 ISOLATED COLONIC VERSUS SMALL BOWEL NECROTIZING ENTEROCOLITIS: 2 DIFFERENT DISEASES? M Arnold1, D Sidler1, SW Moore1, 1University of Stellenbosch, Cape Town, South Africa 253 CURRENT SURGICAL MANAGEMENT OF PAEDIATRIC IDIOPATHIC CONSTIPATION – A SYSTEMATIC REVIEW AND META-ANALYSIS S Siminas1, P D Losty1, 1Alder Hey Children's NHS Foundation Trust, Liverpool, UK, 2Alder Hey Children's NHS Foundation Trust and The University of Liverpool, Liverpool, UK 254 FACTORS AFFECTING THE DEVELOPMENT OF HIRSCHSPRUNG’S ASSOCIATED ENTEROCOLITIS (HAEC) V Rossi1, P De Coppi1, A Pini Prato2, G Mattioli2, EM Kiely1, K Cross1, JI Curry1, S Eaton1, V Jasonni2, A Pierro1, 1University College London, Institute of Child Health and Great Ormond Street Hospital, Surgery Unit, London, UK, 2Department of Pediatric Surgery, Giannina Gaslini Institute, Genoa, Italy 255 ANOCTAMIN-1: A NEW MARKER OF INTERSTITIAL CELLS OF CAJAL IN INTESTINAL MOTILITY DISORDERS A-M O'Donnell1, P Puri1, 1National Children's Research Centre, Our Lady's Children's Hospital, Dublin, Ireland 256 LAPAROSCOPIC ACE STOMA IMPROVES THE QUALITY OF LIFE IN CHILDREN WITH CHRONIC CONSTIPATION AND FAECAL INCONTINENCE. T Adeyinka1, I Njere1, P Karimi1, B Lakashminarayanan1, D Kufeji1, 1Evelina Children's Hospital, Guys & St Thomas' NHS Foundation Trust, London, UK 257 IS THERE A LINK BETWEEN THE CALCIUM SENSING RECEPTOR AND HIRSCHSPRUNG´S DISEASE? A MUTATIONAL ANALYSIS. S Holland-Cunz1, P Romero1, 1Department of Surgery, Devision of Pediatric Surgery, University of Heidelberg, Heidelberg, Germany 258 NON STEROIDAL ANTI-INFLAMMATORY DRUGS (NSAIDS) FOR PATENT DUCTUS ARTERIOSUS (PDA) IN PREMATURE INFANTS AND GASTROINTESTINAL COMPLICATIONS (GC): SIX YEARS OF EXPERIENCE. M. Torricelli1, L. Canazza1, E. Ciarmoli2, F. Schena2, E. Leva1, S. Passera2, A. Morandi1, R. Arnoldi1, F. Mosca2, 1Department of Pediatric Surgery-Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy, 2NICU-Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico-Università degli Studi di Milano, Milano, Italy 259 IS POST NATAL SCREENING NECESSARY IN THE ERA OF ANTENATAL SCANNING? A CASE STUDY OF ANORECTAL ANOMALIES G Retrosi1, L Rigueros Springford1, F Murphy1, B Okoye1, 1Paediatric Surgery and Urology - St George's Hospital, London, UK 260 TRANSANAL ENDORECTAL PULL-THROUGH FOR HIRSCHSPRUNG'S DISEASE USING LONG CUFF DISSECTION AND SHORT V-SHAPED PARTIALLY RESECTED CUFF ANASTOMOSIS: EARLY AND LATE OUTCOME L Yang1, G-q Cao1, Y Yang1, S Li1, S-w Li1, Y Wang1, Y-z Mao1, Q-l Ruan1, G-b Wang2, S-t Tang1, 1Pediatric Surgery, Union Hospital, Wuhan, Hubei Province, China, 2Laparoscopic Surgery, Union Hospital, Wuhan, Hubei province, China POSTER WALK Urology 1 333 VESICOURETERAL REFLUX: IS SURGEON´S INTRAOPERATIVE IMPRESSION A USEFUL TOOL TO AVOID POSTOPERATIVE INVASIVE TESTS? AR Tardáguila1, A Parente1, JM Angulo1, RM Romero1, S Rivas1, C Corona1, M Zornoza1, R Rojo1, 1hospital Gregorio Marañón, Madrid, Spain 334 PERISTEEN INTEGRATED TRANS-ANAL IRRIGATION SYSTEM SUCCESSFULLY TREATS FECAL INCONTINENCE P Corbett1, A Denny1, K Dick1, S Griffin1, H Steinbrecher1, M Stanton1, 1University Hospital Southampton NHS Foundation Trust, Southampton, Hampshire, UK 335 THE ROLE OF PROPHYLACTIC ANTIBIOTICS IN MICTURATING CYSTOURETHROGRAMS (MCUG) S Paramalingam1, A Thiverainen1, M George1, S Negus1, F Murphy1, 1ST George's Hospital NHS Trust, London, UK 336 MEATAL STENOSIS POST CIRCUMCISION FOR BALANITIS XEROTICA OBLITERANS D Fouad1, E Brownlee1, T Bradnock1, J Lam1, M McHoney1, 1Royal Hospital for Sick Children, Edinburgh, UK 337 TREATMENT OF RENAL STONES IN CHILDREN IN A WESTERN COUNTRY: A CHANGING PATTERN A Salerno1, M De Dominicis2, S G Nappo1, G Bonatti1, P Caione1, 1Dept Nephrology-Urology, Division of Urology, Bambino Gesù Children’s Hospital, Rome, Italy, 2Division Urology, Stone Center, Cristo Re Hospital, Rome, Italy 338 UROLOGICAL OUTCOME IN PATIENTS WITH A CLOACAL MALFORMATION H Versteegh1, C Sloots1, R Rassouli2, C Sleeboom3, J de Jong3, K Wolffenbuttel4, W Feitz5, R Wijnen1, I de Blaauw1, 1Dept. of Pediatric Surgery, Erasmus MC-Sophia Children’s Hospital, Rotterdam, The Netherlands, 2Dept. of Pediatric Surgery, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands, 3Pediatric Surgical Center Amsterdam, Emma Children's Hospital AMC & VU University Medical Center, Amsterdam, The Netherlands, 4Dept. of Pediatric Urology, Erasmus MC-Sophia Children’s Hospital, Rotterdam, The Netherlands, 5Dept. of Pediatric Urology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands 339 PROXIMAL HYPOSPADIAS WITH SMALL FLAT GLANS; THE LATERAL BASED ONLAY (LBO) TECHNIQUE A Hadidi1, 1Emma and Offenbach hosptials, Offenbach/Hessen, Germany 340 USING BULKING AGENTS IN BLADDER EXSTROPHY FOR INTERSYMPHYSEAL RECONSTRUCTION S M V Hosseini1, A Rahimi2, M Siadinia1, M Zarenezhad1, 1Hormozgan University of Medical Sciences, Bandar Abbas,Hormozgan, Iran, 2 Shiraz University of Medical Sciences, Shiraz,Fars, Iran 341 EPISPADIAS REPAIR AFTER FAILED SURGERY IN CHILDHOOD M. Majstorovic1, V. Kojovic1, M. Bizic1, V. Vukadinovic1, G. Korac1, Z. Krstic1, M. Djordjevic1, 1School of Medicine, University of Belgrade, University Children's Hospital, Belgrade, Serbia 342 PARENTAL SATISFACTION WITH SCREENING FOR COMPLETE ANDROGEN INSENSITIVITY SYNDROME IN PHENOTYPIC FEMALE INFANTS WITH INGUINAL HERNIA R Georgiou1, N Hall1, M Stanton1, 1University of Southampton, Southampton, UK 344 THE SWORD SCORE: A NOVEL TOOL FOR ASSESSING THE RADIOLOGICAL IMAGES OF THE BLADDER OBTAINED DURING VIDEO URODYNAMICS STUDIES. A Robb1, A Moro1, L McCarthy1, 1Birmingham Children's Hospital, Birmingham, UK POSTER WALK Thoracic 1 153 PRODUCTION AND CHARACTERIZATION OF A LUNG NATURAL ACELLULAR SCAFFOLD IN THE RAT AND SHEEP P Maghsoudlou1, A Tyraskis1, F Georgiades1, B Vernay1, G Totonelli1, D Klepacka1, A Pierro1, S Eaton1, P De Coppi1, 1Institute of Child Health, UCL, London, UK 154 THE CURRENT PROFILE AND OUTCOME OF CONGENITAL DIAPHRAGMATIC HERNIA: A NATIONWIDE SURVEY IN JAPAN. N Kouji1, U Noriaki2, K Yutaka3, T Shigehiro3, H Masahiro4, O Hiroomi5, I Noboru6, F Yuji7, T Tomoaki1, 1Kyushu University, Fukuoka, Japan, 2Osaka University, Osaka, Japan, 3National Center for Child Health and Development, Tokyo, Japan, 4Nagoya University Hospital, Nagoya, Japan, 5Hyogo College of Medicine, Hyogo, Japan, 6Osaka Medical Center and Research Institute for Maternal and Child Health, Osaka, Japan, 7Osaka University Hospital, Osaka, Japan 155 FUNCTIONAL RESIDUAL CAPACITY (FRC) AND LUNG CLEARANCE INDEX (LCI) IN MECHANICALLY VENTILATED INFANTS: APPLICATION IN NEWBORN WITH CONGENITAL DIAPHRAGMATIC HERNIA (CDH). F Landolfo1, F Savignoni1, I Capolupo1, C Columbo1, F Calzolari1, P Giliberti1, N Chukhlantseva1, P Bagolan1, A Dotta1, 1Bambino Gesù Children's Hospital, Rome, Italy 156 A MULTICENTER EXPERIENCE WITH THE MANGAGEMENT OF DIAPHRAGMATIC PARALYSIS G Singer1, P de Lagausie2, JC de Agustin3, AK Saxena1, 1Department of Pediatric and Adolescent Surgery, Medical University of Graz, Graz, Austria, 2Department of Pediatric Surgery, Hôpital Timone Enfants, Marseille, France, 3Department of Pediatric Surgery, Virgen del Rocio Children's Hospital, Sevilla, Spain 157 HAS THE TREATMENT AND OUTCOME OF CONGENITAL POSTERIOR DIAPHRAGMATIC HERNIA CHANGED DURING THE LAST DECADE? M Garriboli1, J Duess2, E Ruttenstock2, M Bishay1, S Eaton1, P De Coppi1, P Puri2, A Pierro1, 1UCL Institute of Child Health and Great Ormond Street Hospital for Children, London, UK, 2National Children’s Research Centre, Our Lady’s Children’s Hospital, Dublin, Ireland 158 MAXIMAL OXYGEN CONSUMPTION AND STRESS PERFORMANCE IN CHILDREN OPERATED ON FOR CONGENITAL CYSTIC ADENOMATOID MALFORMATION OF THE LUNG. I.P. Aloi1, A. Crocoli1, U. Giordano1, A. Turchetta1, A. Calzolari1, P. Bagolan1, A. Inserra1, 1Bambino Gesù Children Hospital, Rome, Vatican City State 159 A PHYSIOLOGICAL MARKER FOR SURGICAL LIGATION OF PATENT DUCTUS ARTERIOSUS IN NEONATES B Banieghbal1, 1Netcare & Life Health Care Group Hospitals, Johannesburg, South Africa 160 CONGENITAL LUNG LESIONS: EARLY POSTNATAL INVESTIGATION WITH THREE DIMENSIONAL RECONSTRUCTED CT SCAN AND SURGERY IS OPTIMAL MANAGEMENT. A Saeed1, M Kazmierski1, A Khan1, A Aslam1, 1Addenbrookes Hospital, Cambridge, UK 161 MANAGEMENT OF BRONCHOPULMONARY SEQUESTRATIONS: ABOUT 66 CASES. K Farmakis1, N Khen-Dunlop1, L Berteloot1, F Brunelle1, J-C Fournet1, C Delacourt1, Y Revillon1, 1Necker-Enfants Malades Hospital, Paris, France 162 FETOSCOPIC TRACHEAL OCCLUSION AT EARLY GESTATIONAL AGE FOR SEVERE PULMONARY HYPOPLASIA IN BILATERAL CONGENITAL DIAFRAGMATIC HERNIA. JL Peiro1, E Carreras1, MA Sanchez-Duran1, S Arevalo1, C Giné1, JA Molino1, V Martinez-Ibanez1, 1Fetal Surgery Program. Hospital Universitari Vall Hebron., Barcelona, Spain 163 PATCHING THE DIAPHRAGM AFFECTS ORTHOPAEDIC OUTCOME: A FIVE YEAR FOLLOW-UP L Valfrè1, A Conforti1, A Braguglia1, F Morini1, L Aite1, F Bevilacqua1, P Bagolan1, 1Bambino Gesu' Children's Hospital, Rome, Italy 164 PARAPNEUMONIC PYOPNEUMOTHORAX: EXPERIENCE WITH FIFTY CONSECUTIVE CASES G Stefanutti1, E Keeling1, N Price1, V Upadhyay1, P Morreau1, S Evans1, J Hamill1, 1Starship Children's Hospital, Auckland, New Zealand POSTER WALK Basic Science 1 189 SMALL BOWEL TRANSPLANTATION IN RATS: SURVIVAL ANALYSIS S Lopez-Fernandez1, F Hernandez Oliveros1, M Navarro Zorraquino2, C Pastor Oliver2, J Gomez-Arrue Azpiazu3, S Hernandez-Martin1, AM Andres Moreno1, M Lopez Santamaria1, JA Tovar Larrucea1, 1Department of Pediatric Surgery, Hospital Universitario La Paz, Madrid, Spain, 2 Department of Surgery, Gynecology and Obstetrics, Universidad de Zaragoza, Zaragoza, Spain, 3 Instituto Aragonés de Ciencias de la Salud, Zaragoza, Spain 190 EVALUATION OF THE LUNG DEVELOPMENT AND VEGFR-1 AND VEGFR-2 EXPRESSION IN CDH RAT MODEL INDUCED BY NITROFEN L Sbragia1, A Nassr2, F Gonçalves1, A Schmidt2, C Zuliani2, P Garcia3, R Gallindo1, L Violin3, 1School of Medicine of Ribeirao Preto - University of Sao Paulo, Ribeirao Preto, SP, Brazil, 2School of Medical Sciences - State University of Campinas, Campinas, SP, Brazil, 3Biology Institute - State University of Campinas, Campinas, SP, Brazil 191 THREE DIMENSIONAL ARCHITECTURE OF A NATURAL HUMAN COLONIC MATRIX REVEALED BY ELECTRON MICROSCOPY G Totonelli1, P Maghsoudlou1, M Garriboli1, M Turmaine2, AJ Burns1, N Thapar1, A Pierro1, S Eaton1, P De Coppi1, 1UCL Institute of Child Health and Great Ormond Street Hospital, London, UK, 2UCL Division of Bioscience, London, UK 192 HEAT DISPERSION COMPARISON OF BIPOLAR ELECTRO-SURGICAL DEVICES: HISTOPATHOLOGICAL AND THERMOGRAPHIC STUDY L Elemen1, A Akay1, A Cengiz2, Y Yazir1, 1Kocaeli University Medical Faculty Department of Pediatric Surgery, Kocaeli, Turkey, 2Kocaeli University Technical Education Faculty, Department of Machinery Education, Kocaeli, Turkey, 3Kocaeli University Medical Faculty Department of Histology, Kocaeli, Turkey 193 PRENATAL RETINOIC ACID IMPROVES LUNG VASCULARIZATION AND VEGF EXPRESSION IN CDH RAT MODEL A Schmidt2, F Gonçalves1, R Gallindo1, A Regis2, L Sbragia1, 1School of Medicine of Ribeirao Preto University of Sao Paulo, Ribeirao Preto, SP, Brazil, 2School of Medical Sciences - State University of Campinas, Campinas, SP, Brazil 194 ENTERIC STEM CELL NICHE OF CHILDREN WITH HIRSCHSPRUNG'S DISEASE – DIFFERENCES BETWEEN GANGLIONIC AND AGANGLIONIC SEGMENTS C.I Hagl1, M. Theisen1, E. Wink1, S. Heumüller1, L.M. Wessel1, K.H. Schäfer2, 1University of Mannheim, Mannheim, Germany, 2University of Appliede Sciences, Zweibrücken, Germany 195 TESTING THE EFFECT OF PATIENT HDL FUNCTION ON HUMAN AORTIC ENDOTHELIUM CELLS (HAEC): A PROSPECTIVE COHORT STUDY FOLLOWING BARIATRIC SURGERY VERSUS LIFE STYLE INTERVENTION A Oberbach1, V Adams3, N Jehmlich2, T Inge4, H Till1, 1University of Leipzig, Department of Pediatric surgery, Leipzig, Germany, 2Ernst-Moritz-Arndt-University Greifswald, Greifswald, Germany, 3University of Leipzig, Department of Cardiology,, Leipzig, Germany, 4Cincinnati Children’s Hospital Medical Center, Division of Pediatric Surgery, Cincinnati, USA 196 A COMPARISON OF TWO TECHNIQUES OF DECELLULARIZING SKELETAL MUSCLE AND THEIR EFFECTS ON CRUCIAL EXTRACELLULAR MATRIX COMPONENTS A Tyraskis1, P Maghsoudlou1, A Pierro1, S Eaton1, P De Coppi1, 1UCL Institute of Child Health, London, UK 197 DO SIGNIFICANT GENETIC VARIATIONS EXPLAIN TOTAL COLONIC AGANGLIONOSIS (TCA) IN HIRSCHSPRUNGS DISEASE? S Moore1, M Zaahl1, 1University of Stellenbosch, Cape Town, South Africa 199 IS THE GASTRIC CONTRACTILITY CHANGED IN THE GASTROSCHISIS? M Cavalcante1, F Lima1, W Okoba1, F Oliveira-Filho1, L Sbragia2, P Magalhães1, M Souza1, A MeloFilho1, 1School of Medicine - Federal University of Ceara, Fortaleza, CE, Brazil, 2School of Medicine of Ribeirao Preto - University of Sao Paulo, Ribeirao Preto, SP, Brazil 200 METAPROTEOME AND -GENOME OF RAT MICROBIOTA REVEAL SPECIFIC DIFFERENCES OF THE METABOLIC ACTIVITY AND THE COMPOSITION THROUGHOUT THE GI-TRACT A Oberbach1, M von Bergen2, S Haange1, S Krohn3, N Schlichting1, S Böhm3, J Seifert2, H Till1, 1University of Leipzig, Department of Pediatric Surgery, Leipzig, Germany, 2UFZ-Helmholtz Centre for Environmental Research, Department of Proteomics, Metabolomics, Environmental Microbiology, Leipzig, Germany, 3University of Leipzig, Department of Gastroenterology, Leipzig, Germany POSTER WALK Hepatobiliary 1 213 BODY COMPOSITION AND METABOLIC PROFILE OF CHILDREN WITH EXTRA-HEPATIC PORTAL VEIN OBSTRUCTION T B Lautz1, S Eaton2, L Keys1, J Ito1, M Polo2, A Pierro2, R A Superina1, 1Children's Memorial Hospital, Northwestern University, Chicao, IL, USA, 2Great Ormond Street Hospital and Institute of Child Health, University College London, London, UK 214 SAFETY AND EFFICACY OF A BIORESORBABLE MEMBRANE OF MODIFIED SODIUM HYALURONATE AND CARBOXYMETHYLCELLULOSE (SEPRAFILM, GENZYME®) IN HEPATIC PORTOENTEROSTOMY/PORTOCHOLECYSTOSTOMY FOR BILIARY ATRESIA IN INFANTS: A SINGLE CENTER STUDY. G de Lambert1, F Guérin1, S Tembely1, J Boubnova1, V Fouquet1, F Gauthier1, S Branchereau1, H Martelli1, 1Hôpital Le Kremlin-Bicêtre, Le Kremlin-Bicêtre, France 215 EVOLUTION OF LIVER HISTOLOGY IN BILIARY ATRESIA AFTER SUCCESSFUL PORTOENTEROSTOMY H Lampela1, S Kosola1, P Heikkilä2, J Lohi2, A Koivusalo1, R Rintala1, M Pakarinen1, 1Pediatric Surgery, Children's Hospital, Helsinki University, Helsinki, Finland, 2Department of Pathology, Helsinki University Central Hospital, Helsinki, Finland 217 SINGLE-INCISION LAPAROSCOPIC HEPATICOJEJUNOSTOMY BY CONVENTIONAL INSTRUMENTS FOR NEONATES WITH EXTRAHEPATIC BILIARY CYSTS M Diao1, L Li1, N Dong1, Q Li1, H Ye1, 1Department of Pediatric Surgery, Capital Institute of Pediatrics, Beijing, China 218 REPRODUCIBILITY OF SPECIALISED SYSTEMIC ULTRASOUND IN THE DIAGNOSIS OF BILIARY ATRESIA T Humphrey1, H Woodley1, N Alizai1, P McClean1, S Davison1, S Rajwal1, 1Leeds General Infirmary, Leeds, UK 219 SURGICAL APPROACHES TO THE CORRECTION OF EXTRA HEPATIC PORTAL VENOUS OBSTRUCTION IN CHILDREN WITH SPECIAL EMPHASIS ON THE MESO-REX BYPASS: EXPERIENCE WITH 100 PATIENTS T B Lautz1, J Ito1, R A Superina1, 1Children's Memorial Hospital, Northwestern University, Chicago, IL, USA 220 META-ANALYSIS OF THE EFFECT OF PANCREATIC DONOR AGE ON ISLET YIELD AND 'IN VITRO' ISLET FUNCTION. C Bradshaw1, NJ Walker1, SH Hughes1, PRV Johnson1, 1Paediatric Surgical Research Laboratory, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK 221 INFLUENCE OF SURGICAL SKILL ON PATIENT SURVIVAL, AFTER KASAI PROCEDURE FOR BILIARY ATRESIA. A Dariel1, E Habonimana2, H Piloquet4, D Caldari4, S De Napoli Cocci1, B Frémond2, G Podevin3, 1Pediatric Surgery Department, Nantes, France, 2Pediatric Surgery Department, Rennes, France, 3Pediatric Surgery Department, Angers, France, 4Pediatric Gastroenterology and Hepatology Unit, Nantes, France 222 HISTOLOGICAL LIVER DAMAGE DURING AND AFTER WEANING OFF PARENTERAL NUTRITION IN INTESTINAL FAILURE A Kurvinen1, J Lohi2, A Koivusalo1, R Rintala1, MP Pakarinen1, 1Section of Pediatric Surgery, Children's Hospital, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland, 2Department of Pathology and Haartman Institute, HUSLAB, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland 223 EXPERIENCE WITH MIDDLE HEPATIC VEIN DIVISION FOR BOTH LEFT AND RIGHT LIVER DURING SPLITS FOR LIVER TRANSPLANTATION IN CHILDREN C Goumard1, F Gauthier1, S Branchereau1, H Martelli1, V Fouquet1, F Guérin1, 1Bicêtre Univesity Hospital, University Paris Sud, Le Kremlin Bicêtre, France 224 DAY-CASE LAPAROSCOPIC CHOLECYSTECTOMY IN CHILDHOOD: AN UPDATE K Evans1, R Marcus1, G Jawaheer1, 1Birmingham Children's Hospital, Birmingham, UK POSTER WALK General 1 393 MAJOR CONGENITAL DEFECTS: DOES THEIR TYPE MATTER FOR NEURODEVELOPMENTAL OUTCOME AT SHORT-TERM? F Bevilacqua1, L Valfrè1, F Morini1, A Braguglia1, A Zaccara1, P Bagolan1, L Aite1, 1Bambino Gesù Children's Hospital, Rome, Italy 394 PARENTAL PERSPECTIVE TO DIGITAL IMAGE RECORDING IN PAEDIATRIC SURGICAL PATIENTS A Devany1, G Williams1, A Cho1, AB Mathur1, A Minocha1, M Kulkarni1, 1Dept of Paediatric Surgery, Norfolk & Norwich University Hospital, Norwich, Norfolk, UK 395 VIABILITY OF THE FEMORAL VEIN AFTER IMPLANTATION AND REMOVAL OF CENTRAL VENOUS CATHETER. EXPERIMENTAL RESEARCH IN RATS. F Volpe1, R Teixeira1, I Rosique1, A Saturnino1, Caroline De Sousa1, A Becker1, D Jordan1, 1University of Riberao Preto Medical School, Ribeirao Preto, Brazil 396 THE PROGNOSTIC VALUE OF BACTERICIDAL PROTEIN (BP55) IN INFANTS WITH CONGENITAL PATHOLOGY OF GASTROINTESTINAL TRACT S Minaev1, I Kirgzov1, N Bykov1, A Obedin1, Yu Bolotov1, A Isaeva1, E Tovkan1, T Horanova1, 1Stavropol State Medical Academy, Stavropol, Russia 397 SURGICAL MANAGEMENT OF CRANIOSYNOSTOSIS: ANALYSIS OF MORBIDITY AND MORTALITY IN 796 CONSECUTIVE PATIENTS H Q Lee1, J M. Hutson2, A C. Wray3, P A. Lo3, D K. Chong4, A D. Holmes4, A L. Greensmith4, 1Department of Paediatrics, University of Melbourne, 3010 Victoria, Australia, 2 Department of Urology, Royal Children's Hospital, 3052 Melbourne, Victoria, Australia, 3Department of Neurosurgery, Royal Children's Hospital, 3052 Melbourne, Victoria, Australia, 4Department of Plastic and Maxillofacial Surgery, Royal Children's Hospital, 3052 Melbourne, Victoria, Australia 398 FETAL SURGERY FOR HUMAN SPINA BIFIDA: TOWARS THE FETOSCOPIC APPROACH. JL Peiro1, CG Fontecha1, G Pelizzo3, E Carreras1, A Cuxart1, A Maroto1, G d'Ottavio2, J Schleef2, V Martinez-Ibanez1, 1Fetal Surgery Program. Hospital Universitari Vall Hebron., Barcelona, Spain, 2IRCCS Burlo Garofolo, Trieste, Italy, 3IRCCS Policlinico San Matteo, Pavia, Italy 399 USEFULNESS OF PREOPERATIVE ULTRASOUND FOR DETECTING CONTRALATERAL PATENT PROCESSUS VAGINALIS IN UNILATERAL GROIN HERNIA Y Ohno1, 1Department of Pediatric Surgery, Saitama Medical University, Iruma, Saitama, Japan 400 SURGICAL AND HEMATOLOGICAL RESULTS OF LAPAROSCOPIC SPLENECTOMY IN CHILDREN WITH CHRONIC IMMUNE THROMBOCYTOPENIC PURPURA. I Poddoubnyi1, K Tolstov1, I Evstafyeva2, E Donyush2, 1Moscow State University of Medicine and Dentistry, Moscow, Russia, 2Izmailovo Children's Hospital, Moscow, Russia 401 OUTCOMES OF A STRUCTURED TRAINING PROGRAMME FOR PAEDIATRIC LAPAROSCOPIC INGUINAL HERNIA REPAIR A Cho1, S Basson1, T Tsang1, 1Dept of Paediatric Surgery, Norfolk & Norwich University Hospital, Norwich, Norfolk, UK 403 LONG-TERM OUTCOME AND QUALITY OF LIFE IN CHILDREN WITH ABDOMINAL WALL DEFECTS M Kapapa1, T Rieg1, C Leriche1, D Henne-Bruns1, A Serra1, 1University of Ulm, Ulm, Germany POSTER WALK NEC/Intestinal failure 1 416 CORRELATION BETWEEN INTESTINAL FATTY ACID BINDING PROTEINS AND BIOCHEMICAL PARAMETERS IN NEONATES WITH SUSPECTED NECROTIZING ENTEROCOLITIS IGH Scholten1, M Schurink1, EMW Kooi1, CV Hulzebos1, H Groen1, E Heineman1, AF Bos1, JBF Hulscher1, 1University Medical Center Groningen, Groningen, The Netherlands 417 SPIRAL INTESTINAL LENGTHENING AND TAILORING (SILT) - FIRST IN VIVO RESULTS T Cserni1, G Varga2, D Erces2, T Kovacs2, J Kaszaky3, M Boros1, A Morabito1, G Rakoczy1, 1Dept. of Paediatric Surgery Josa Andras Teaching Hospital of University Debrecen, Nyiregyhaza, Hungary, 2 Department of Operative Techniques and Surgical Research University of Szeged, Szeged, Hungary, 3 Department of Paediatric Surgery, Royal Manchester Children's Hospital, Manchester, UK 418 ROLE OF SERUM CITRULINE AS ENTEROCYTIC BIOMARKER IN PATIENTS WITH INTESTINAL FAILURE A Andres1, R Vecino2, G Prieto2, F Hernandez1, JL Encinas1, S Lopez1, R Ortiz1, E Ramos2, E MartinezOjinaga2, J Sarria2, M Molina2, M Lopez-Santamaria1, JA Tovar1, 1Hospital La Paz. Pediatric Surgery, Madrid, Spain, 2Hospital La Paz. Pediatric Gastroenterology, Madrid, Spain 419 RECURRENT NECROTISING ENTEROCOLITIS C Holbrook1, D Kufeji1, 1Evelina Children's Hospital, London, UK 420 USE OF BIOCHEMICAL AND HAEMATOLOGICAL PARAMETERS TO IDENTIFY NEONATES WHO NEED SURGERY FOR MEDICALLY TREATED NEC S Sharif1, S Phelps1, 1The Royal London Hospital, London, UK 421 EVOLUTION OF INTESTINAL TRANSPLANTATION : MULTIVISCERAL TRANSPLANTATION C Chardot1, S Irtan1, L Dupic1, C Télion1, F Moulin1, P Frange1, D Canioni1, K Lambot1, M Charbit1, C Talbotec1, V Colomb1, O Goulet1, Y Révillon1, Y Aigrain1, F Lacaille1, 1Hôpital Necker - Enfants malades, Université Paris Descartes, Paris, France 422 THE VALUE OF CONTRAST STUDIES IN THE EVALUATION OF BOWEL STRICTURES AFTER NECROTISING ENTEROCOLITIS. K Burnand1, I Zaparackaite1, M Haddad1, S Clarke1, D De Caluwe1, N Madden1, M Choudhry1, 1Chelsea and Westminster Hospital, London, UK 423 URINARY SERUM AMYLOID A (SAA) AS A MARKER FOR SEVERITY OF NECROTIZING ENTEROCOLITIS (NEC) K Reisinger1, B Kramer1, D Van der Zee2, H Brouwers2, W Buurman1, J Derikx1, L Van Heurn1, 1MUMC, Maastricht, The Netherlands, 2UMC Utrecht, Utrecht, The Netherlands 424 A FIXED BOWEL LOOP IN NEC: INDICATION FOR SURGERY? A Muller1, M Schurink1, AF Bos1, CV Hulzebos1, EWM Kooi1, JBF Hulscher1, 1University Medical Center Groningen, Groningen, The Netherlands 425 HEMATOLOGIC COMPLICATIONS OF VASCULAR TUMORS V Amesty1, G Chocarro1, S Barrena1, S Lopez-Fernandez1, E Dominguez-Amillo1, M Diaz1, Z Ros1, JC Lopez-Gutierrez1, 1Hospital Universitario La Paz, Madrid, Spain 426 CHRONIC LOCALIZED INTRAVASCULAR COAGULOPATHY (LIC) ASSOCIATED TO EXTENSIVE LOWFLOW VENOUS MALFORMATIONS: LOOKING FOR NEW MARKERS OF HEMORRAGIC RISK V Baraldini1, P Della Valle2, F Sampietro2, A D'Angelo2, G Riccipetitoni1, 1Vascular Malformations Unit, “V.Buzzi” Children’s Hospital, ICP, Milan, Italy, 2Coagulation Service and Thrombosis Research Unit, Scientific Institute San Raffaele, Milan, Italy 427 PATENCY OF NECK VEINS FOLLOWING ULTRASOUND GUIDED PERCUTANEOUS HICKMAN LINE INSERTION S Blundell1, R Wragg1, M Bader1, B Sharif1, J Bennett1, I Jester1, P Bromley1, G Suren Arul1, 1Birmingham Children's Hospital NHS Foundation Trust, West Midlands, UK MEET THE EXPERT LUNCH 1 Blunt abdominal trauma VENUE: “STUDIO 2” ROOM 13.00 – 14.30 Steven Stylianos Sebastiaan van As MEET THE EXPERT LUNCH 2 VENUE: “STUDIO 3” ROOM 13.00 – 14.30 Surgery of the extreme premature Agostino Pierro Paul Tam VENUE: “SINOPOLI” HALL SCIENTIFIC SESSION III - Young Investigator PPR Prize Session 02614.30-14.40 CHICKEN CHORIOALLANTOIC MEMBRANE AS AN IN VIVO BIOREACTOR FOR INTESTINAL TISSUE REGENERATION G Totonelli1, P Maghsoudlou1, M Garriboli1, F Georgiades1, JM Delalande1, N Thapar1, A Pierro1, S Eaton1, AJ Burns1, P De Coppi1, 1UCL Institute of Child Health, London, UK 02714.40-14.50 INTRA-AMNIOTIC INSULIN-LIKE GROWTH FACTOR -2 (IGF-2) TREATMENT IMPROVES DEVELOPMENT OF HYPOPLASTIC LUNGS IN A RAT MODEL OF CONGENITAL DIAPHRAGMATIC HERNIA E Ruttenstock1, M Haader2, G Desoye2, U Lang2, A Saxena1, P Klaritsch2, 1Department of Pediatric- and Adolescent Surgery, Medical University of Graz, Graz, Austria, 2Department of Obstetrics and Gynecology, Medical University of Graz, Graz, Austria 02814.50-15.00 DOWNREGULATION OF GLI2 AND GLI3 GENE EXPRESSION DURING LATE PSEUDOGLANDULAR STAGE OF LUNG DEVELOPMENT IN THE NITROFEN RAT MODEL N Fujiwara1, JH Gosemann1, F Friedmacher1, B Kutasy1, P Puri1, 1National Children’s Research Centre, Our Lady’s Children’s Hospital, Dublin, Ireland, 2UCD School of Medicine and Medical Science, University College Dublin, Dublin, Ireland 02915.00-15.10 INTERLEUKIN-17 (IL-17) PRODUCING LYMPHOCYTES INITIATE THE INFLAMMATORY DESTRUCTION OF BILE DUCTS IN EXPERIMENTAL BILIARY ATRESIA. C Klemann1, A Schröder1, I Prinz2, J Leonhardt1, B Ure1, C Petersen1, J Kuebler1, 1Department of Pediatric Surgery, Medical University, Hannover, Hannover, Germany, 2Institute of Immunology, Medical University, Hannover, Hannover, Germany 03015.10-15.20 BACTERIAL INVASION OF HT29-MTX-E12 MONOLAYERS - EFFECTS OF HUMAN BREAST MILK T Hall1, M Woodward2, T Corfield1, D Dymock1, M Berry1, 1University of Bristol, Bristol, UK, 2 Royal Bristol Hospital for Children, Bristol, UK 03115.20-15.30 SLOW RELEASE OF BASIC FIBROBLAST GROWTH FACTOR (b-FGF) PROMOTES GROWTH OF TRACHEAL CARTILAGE T Ishimaru1, M Komura1, H Komura1, Y Ohtani1, H Komuro1, M Sugiyama1, H Kawashima1, K Terawaki1, K Suzuki1, A Hatanaka1, Y Tabata2, T Iwanaka1, 1Dept. of Pediatric Surgery, The University of Tokyo Hospital, Tokyo, Japan, 2Institute for Frontier Medical Science, Kyoto University, Kyoto, Japan 03215.30-15.40 MULTICENTRE RANDOMISED CONTROLLED TRIAL OF LAPAROSCOPIC VS. OPEN INGUINAL HERNIA REPAIR IN INFANTS UNDER 1 YEAR OF AGE O Ron1, S Eaton1, L Giacomello1, M Thyoka1, U DeLuca2, M Zamparelli2, E Kiely3, J Curry3, P DeCoppi3, D Drake3, J Svensson4, T Wester4, H Skari5, R Emblem5, N Ade-Ajayi6, G MacKinlay7, F Munro7, S Clarke8, M Haddad8, M Stanton9, L Kitteringham9, M Hoellwarth10, L Stroedter10, A Pierro1, 1UCL Institute of Child Health, London, UK, 2Santobono Children's Hospital, Naples, Italy, 3Great Ormond Street Hospital for Children, London, UK, 4Karolinska University Hospital, Stockholm, Sweden, 5Rikshospitalet University Hospital, Oslo, Norway, 6 King's College Hospital, London, UK, 7Royal Hospital for Sick Children, Edinburgh, UK, 8 Chelsea and Westminster Hospital, London, UK, 9University Hospital Southampton, Southampton, UK, 10 Medical University of Graz, Graz, Austria 03315.40-15.50 OUTCOME AFTER LAPAROSCOPIC AND OPEN NISSEN FUNDOPLICATION: RESULTS FROM A RANDOMIZED TRIAL C Knatten1, T Fyhn1, O Schistad2, B Edwin3, L Aabakken4, R Emblem1, K Bjørnland1, 1Department of hepatic, gastrointestinal and pediatric surgery, Oslo University Hospital, Rikshospitalet, Oslo, Norway, 2Department of hepatic, gastrointestinal and pediatric surgery, Oslo University Hospital, Ullevål, Oslo, Norway, 3The intervention Centre, Oslo University Hospital, Oslo University Hospital, Rikshospitalet, Oslo, Norway, 4 Department of gastroenterology, Stavanger University Hospital, Oslo, Norway 03415.50-16.00 INTRAPLEURAL DORNASE ALFA IN ADDITION TO UROKINASE REDUCES HOSPITAL STAY IN COMPLICATED PARAPNEUMONIC PLEURAL EFFUSION: THE DUKE TRIAL (DORNASE ALFA AND UROKINASE FOR KIDS WITH EMPYEMA) G Stefanutti1, S Viale1, E Cesca1, M Cheli2, A Fabbro3, I Aloi4, P Midrio1, E Baraldi1, P Gamba1, 1University of Padova, Padova, Italy, 2Ospedali Riuniti, Bergamo, Italy, 3S. Bortolo Hospital, Vicenza, Italy, 4Bambino Gesù Children's Hospital, Roma, Italy 03516.00-16.10 INCIDENCE, SUB-SPECIALISATION AND THE PROVISION OF DEFINITIVE SURGERY FOR HIRSCHSPRUNG'S DISEASE IN THE UK AND IRELAND: A PROSPECTIVE, NATIONAL COHORT STUDY TJ Bradnock1, M Knight2, S Kenny3, P Johnson4, ES Draper5, JJ Kurinczuk2, GM Walker6, 1Department of Paediatric Surgery, The Royal Hospital for Sick Children, Edinburgh, UK, 2National Perinatal Epidemiology Unit, Oxford, UK, 3Department of Paediatric Surgery, Royal Liverpool Children's Hospital, Liverpool, UK, 4Department of Paediatric Surgery, University of Oxford, Oxford, UK, 5Department of Health Sciences, University of Leicester, Leicester, UK, 6Department of Paediatric Surgery, The Royal Hospital for Sick Children, Glasgow, UK 03616.10-16.20 THE EFFECT OF RACE AND GENDER ON PEDIATRIC SURGICAL OUTCOMES WITHIN THE UNITED STATES M Stone1, D LaPar1, S Rasmussen1, B Kane1, E McGahren1, B Rodgers1, 1University of Virginia Health System, Charlottesville, VA, USA 03716.20-16.30 TH-17 CELLS INFILTRATE THE LIVER IN BILIARY ATRESIA AND ARE RELATED TO PROGNOSIS R Hill1, M Hussain2, A Quaglia1, N Hadzic1, G Mieli-Vergani2, D Vergani1, M Davenport1, 1Kings College Hospital, London, UK, 2Institute of Liver Studies, London, UK Coffee Break 16.30 – 17.00 SCIENTIFIC SESSION IV - ONCOLOGY: 03817.00-17.10 RAMAN SPECTROSCOPIC DATABASE TO IDENTIFY PEDIATRIC SOLID TUMORS: RESULTS OF A SIX YEAR STUDY A Auner1, R Kast2, R Rabah3, J Poulik4, M Klein4, 1University of Michigan-Dearborn, Dearborn, MI, USA, 2Wayne State University, Detroit, MI, USA, 3Mott Children's Hospital, Ann Arbor, MI, USA, 4Children's Hospital of Michigan, Detroit, MI, USA 03917.10-17.20 OUTCOME WILMS TUMOR IN AIIMS-WT-99 TRIAL S Agarwala1, S Bakhshi2, M Srinivas1, M Bajpai1, BK Mohanti3, AK Gupta4, DK Gupta1, V Bhatnagar1, 1Department of Pediatric Surgery, All India Institute of Medical Sciences, New Delhi, India, 2Department of Medical Oncology, BAIRCH, AIIMS, New Delhi, India, 3 Department of Radiotherapy, BAIRCH, AIIMS, New Delhi, India, 4Department of Radiodiagnosis, AIIMS, New Delhi, India 04017.20-17.25 SURGERY OF WILM’S TUMORS ASSOCIATED WITH NEPHROBLASTOMATOSIS – A SERIES OF 26 PATIENTS M Peycelon1, M Larroquet1, M.D. Tabone2, A Coulomb3, C Patte5, G Schleiermacher6, H Ducou Le Pointe4, C Bergeron7, G Audry1, 1AP-HP, Hôpital Trousseau, Chirurgie viscérale pédiatrique, Paris, France, 2AP-HP, Hôpital Trousseau, Hémato-immuno-oncologie pédiatriquele - Paris - France, Paris, France, 3AP-HP, Hôpital Trousseau, Anatomie pathologique- Paris - France, Paris, France, 4AP-HP, Hôpital Trousseau, Radiologie pédiatrique, Paris, France, 5Institut de Cancérologie Gustave-Roussy, Cancérologie de l'Enfant et de l'Adolescent, Villejuif, France, 6Institut Curie, Oncologie pédiatrique, Paris, France, 7Centre Léon Bérard, Institut d’hématologie et d’oncologie pédiatrique, Lyon, France 04117.25-17.30 RENAL FUNCTION UP TO 60 YEARS AFTER NEPHRECTOMY IN CHILDREN WITH UNILATERAL RENAL TUMOR DA Cozzi1, A Schiavetti1, S Ceccanti1, S Frediani1, T Federici1, F Cozzi1, 1University of Rome "Sapienza", Rome, Italy 04217.30-17.35 A SURGICAL APPROACH TO WILMS’ TUMOUR WITH RETROHEPATIC VASCULAR EXTENSION M Bader1, K Abdelaal1, T Rogers2, G S Arul1, 1Birmingham Children's Hospital, Birmingham, UK, 2Bristol Children's Hospital, Bristol, UK 04317.35-17.40 DO 'TYPICAL' MAGNETIC RESONANCE IMAGING (MRI) FEATURES IN WILMS TUMOUR NEPHROBLASTOMATOSIS AND SUBSEQUENT HISTO-PATHOLOGICAL DIAGNOSES CORRELATE? S Cox1, T Kilborn1, K Pillay2, A Millar2, 1Red Cross War Memorial Children's Hospital, Cape Town, South Africa, 2University of Cape Town, Cape Town, South Africa 04517.40-17.45 SIGNIFICANCE OF IMAGE-DEFINED RISK FACTORS (IDRFS) FOR SURGICAL TREATMENT OF NEUROBLASTOMAS M Stehr1, M Erichsen1, F Bergmann1, D von Schweinitz1, 1Kinderchirurgische Klinik im Dr. v. Haunerschen Kinderspital, Ludwig-Maximilians-Universität München, München, Germany 04617.45-17.55 CELL DIFFERENTIATION SUPPRESSES PROSAPIP1 EXPRESSION IN NEUROBLASTOMA CELLS K Otake1, P De Coppi1, S Eaton1, W Heywood1, K Mills1, J Anderson1, N J Sebire1, A Pierro1, 1UCL Institute of Child Health and Great Ormond Street Hospital, London, UK 04717.55-18.05 GENERAL FACTORS CHARACTERIZING THE RISK FOR INCOMPLETE PRIMARY SURGERY FOR SOFT TISSUE SARCOMA J Godzinski1, D Kuleji1, J Weclawek-Tompol1, A Reich1, A Urbanik1, M Jazdon1, J PeregudPogorzelski1, E Bien1, A Panasiuk1, M Rychlowska1, J Nurzynska-Flak1, E Juraszewska1, G Sobol1, B Szewczyk1, A Kurylak1, M Woszczyk1, M Rapala1, B Kazanowska1, 1for Polish Pediatric Solid Tumors Group, Wrowclaw, Poland 04818.05-18.15 THORACIC NON-RHABDO SOFT TISSUE SARCOMA (NRSTS) IN PEDIATRIC AGE: THE ITALIAN COOPERATIVE GROUP EXPERIENCE F De Corti1, I Zanetti2, G Bisogno2, A Ferrari3, G Cecchetto1, 1Pediatric Surgery University/Hospital of Padova, Padova, Italy, 2Pediatric Hemato-Oncology University/Hospital of Padova, Padova, Italy, 3Pediatric Hemato-Oncology - Istituto Nazionale Tumori, Milano, Italy 04918.15-18.20 HEDGEHOG SIGNAL INHIBITORS SUPPRESS THE INVASION OF HUMAN RHABDOMYOSARCOMA CELLS T Oue1, M Nomura1, S Uehara1, H Yamanaka1, N Usui1, M Fukuzawa1, 1Osaka University Graduate School of Medicine, Suita, Osaka, Japan 05018.20-18.25 FIBROLAMELLAR VERSUS TYPICAL HEPATOCELLULAR CARCINOMA: ARE THERE DIFFERENCES IN SURGERY AND OUTCOME? K Becker1, C Furch1, B Häberle1, D von Schweinitz1, 1Department of Pediatric Surgery, Dr. v. Hauner Children`s Hospital, Ludwigs-Maximilians-Universitiy, Munich, Germany 05118.25-18.30 BETA-CATENIN IN XENOTRANSPLATATED INTRAHEPATIC HEPATOBLASTOMA IN NOD/SCID MICE V Ellerkamp1, J Lieber1, J Wenz1, SW Warmann1, J Fuchs1, S Armeanu1, 1University Hospital Tuebingen, Pediatric Surgery, Tuebingen, Germany FRIDAY JUNE 15th VENUE: “SINOPOLI” ROOM SCIENTIFIC SESSION V - UROLOGY -parallel with Trauma and General 1- (Oral Communications) 05208.30-08.40 ENDOSCOPIC INJECTION OF DEXTRANOMER HYALURONIC ACID FOR THE TREATMENT OF VESICOURETERAL REFLUX IN COMPLETE DUPLEX URETERS M Hunziker1, N Mohanan1, P Puri1, 1National Children’s Research Centre, Our Lady’s Children’s Hospital, Dublin, Ireland, 2National Children’s Hospital, Dublin, Ireland 05308.40-08.50 RELEASE OF PARTIAL URETERAL OBSTRUCTION (PUO) IN THE NEONATAL MOUSE PREVENTS PROXIMAL TUBULAR BUT NOT GLOMERULAR DAMAGE, WHICH IS AGGRAVATED BY CONGENITAL NEPHRON LOSS M. Sergio1, M.S Forbes2, B.A Thornhill2, R.L Chevalier2, 1Dipartimento Universitario Materno Infantile e di Andrologia e Urologia, Palermo, Italy, 2Department of Pediatrics, University of Virginia, Charlottesville, Virginia, USA 05408.50-08.55 Effect of 3-amino benzamide, a poly (adenosine diphosphate-ribose) polymerase inhibitor, in experimental model of acute pyelonephritis B Caliskan1, A Guven1, B Uysal2, Y G Kurt4, A Ozcan3, O Bedir5, I Surer1, A Kormaz2, 1Gulhane Military Medical Faculty Department of Pediatric Surgery, Ankara, Turkey, 2Gulhane Military Medical Faculty Department of Physiology, Ankara, Turkey, 3Gulhane Military Medical Faculty Department of Pathology, Ankara, Turkey, 4Gulhane Military Medical Faculty Department of Biochemistry, Ankara, Turkey, 5Gulhane Military Medical Faculty Department of Microbiology and Clinical Microbiology, Ankara, Turkey 05508.55-09.05 PEDIATRIC KIDNEY TRANSPLANT. EFFECT OF BRAIN-DEAD DONOR RESUSCITATION ON DELAYED GRAFT FUNCTION E Cesca1, G Ghirardo2, PG Gamba1, L Murer2, GF Zanon1, 1Division of Pediatric Surgery, Department of Pediatrics, University-Hospital of Padova, Padova, Italy, 2Division of Pediatric Nephrology, Department of Pediatrics, University-Hospital of Padova, Padova, Italy 05609.05-09.15 NEONATAL CLOSURE WITHOUT OSTEOTOMIES, IMMOBILISATION OR INTENSIVE CARE UNIT: A SAFE AND EFFECTIVE MANAGEMENT FOR BABIES WITH BLADDER EXSTROPHY M Garriboli1, N Smeulders1, A Cherian1, P Duffy1, P Cuckow1, I Mushtaq1, 1Great Ormond Street Hospital, London, UK 05709.15-09.20 PREPUTIAL CONTINENT VESICOSTOMY(PCV) - LONG TERM RESULTS Z. Krstic1, M. Djordjevic1, V. Vukadinovic1, Z. Smoljanic1, M. Bizic1, 1University Children`s Hospital, Belgrade, Serbia 05809.20-09.25 MINOR HYPOSPADIAS : THE « TIP OF THE ICEBERG » OF THE ANDROGEN INSENTIVITY SYNDROM N Kalfa1, P Philibert2, F Audran2, N Servant2, H Lehors3, M Haddad3, J-M Guys3, R Reynaud4, P Alessandrini5, K Wagner6, J Y Kurzenne7, F Bastiani7, J Bréaud7, G Morisson Lacombe8, J Valla7, M Orsini9, J-P Daures9, F Paris2, C Sultan10, 1Service de Chirurgie et Urologie Pédiatrique, Hôpital Lapeyronie, CHU de Montpellier et Université Montpellier 1, Montpellier, France, ., France, 2Service d'Hormonologie, Hôpital Lapeyronie, CHU de Montpellier et Université Montpellier 1, Montpellier, France, ., France, 3Service de Chirurgie et Urologie Pédiatrique, Hôpital la Timone, APHM, Marseille, France, ., France, 4Unité d'Endocrinologie et Diabétologie Pédiatriques, Hôpital la Timone, APHM, Marseille, France, ., France, 5Service de Chirurgie et Urologie Pédiatrique, Hôpital Nord, APHM, Marseille, France, ., France, 6Service de Pédiatrie, Hôpital Lenval, CHU de Nice, France, ., France, 7 Service de Chirurgie et Urologie Pédiatrique, Hôpital Lenval, CHU de Nice, France, ., France, 8 Service de Chirurgie et Urologie Pédiatrique, Hôpital Saint-Jospeh, Marseille, France, ., France, 9Institut Universitaire de Recherche Clinique, Laboratoire de Biostatistiques et d'Epidémiologie, Université Montpellier 1, Montpellier, France, ., France, 10Unité d’Endocrinologie et Gynécologie Pédiatriques, Service de Pédiatrie, Hôpital Arnaud de Villeneuve et Université Montpellier 1, CHU de Montpellier, France, ., France 05909.25-09.30 SCREENING OF MAMLD1 MUTATIONS IN 70 CHILDREN WITH 46,XY DSD: IDENTIFICATION AND FUNCTIONAL ANALYSIS OF TWO NEW MUTATIONS N Kalfa1, M Fukami2, P Philibert3, F Audran3, C Pienkowski5, J Weill4, G Pinto6, S Manouvrier7, M Polak6, T Ogata2, C Sultan8, 1Service de Chirurgie et Urologie Pédiatrique, Hôpital Lapeyronie, CHU de Montpellier et UM1, Montpellier, France, ., France, 2 Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, Japan, ., Japan, 3Service d'Hormonologie, Hôpital Lapeyronie, CHU de Montpellier et UM1, Montpellier, France, ., France, 4Clinique de Pédiatrie, Hôpital Jeanne de Flandre, CHU de Lille, France, ., France, 5Unité d’Endocrinologie Pédiatrique, Hôpital des Enfants, CHU de Toulouse, France, ., France, 6Unité d’Endocrinologie Pédiatrique, Hôpital Necker Enfants Malades, APHP, Paris, France, ., France, 7Service de Génétique Clinique, Hôpital Jeanne de Flandre, CHU de Lille, France, ., France, 8Unité d’Endocrinologie et Gynécologie Pédiatriques, Service de Pédiatrie, Hôpital Arnaud de Villeneuve et UM1, CHU de Montpellier, France, ., France 06009.30-09.35 INCREASED OCCURENCE OF DISORDERS OF SEX DEVELOPMENT, PREMATURITY, INTRA UTERINE GROWTH RESTRICTION IN CHILDREN WITH SEVERE PROXIMAL HYPOSPADIAS ASSOCIATED WITH UNDESCENDED TESTES P Sekaran1, M Flett1, S O'Toole1, S Cascio1, 1Royal Hospital For Sick Children, Glasgow, UK 06109.35-09.40 LASER DOPPLER SPECTROSCOPY OF TESTES AFTER UNILATERAL ORCHIOPEXY J de Laffolie1, S Turial2, R Freudenberger2, V Engel2, F Schier2, 1University Children’s Hospital, Giessen, Germany, 2University, Mainz, Germany 06209.40-09.50 VARICOCELE PROCEDURES: RESULTS OF COMPARATIVE PROSPECTIVE STUDY C Vella1, G Monguzzi1, G Giannino1, G Selvaggio1, E Caponcelli1, G Riccipetitoni1, 1Buzzi Children's Hospital, Pediatric Surgery Department, Milan, Italy 06309.50-10.00 POLYDEOXYRIBONUCLEOTIDE ADMINISTRATION RESTORES TESTICULAR NAIP AND SURVIVIN DOWN-REGULATION IN AN EXPERIMENTAL MODEL OF VARICOCELE S Arena1, L Minutoli2, A Simona Montalto1, A Bitto2, P Antonuccio1, T Russo1, N Irrera2, E Calbo3, F Squadrito2, F Arena1, D Altavilla2, C Romeo1, 1Unit of Pediatric Surgery - University of Messina, Messina, Italy, 2Department of Clinical and Experimental Medicine and Pharmacology - Section of Pharmacology - University of Messina, Messina, Italy, 3Unit of Endocrinosurgery - University of Messina, Messina, Italy VENUE: “SERRA” ROOM SCIENTIFIC SESSION VI TRAUMA / GENERAL 1 -parallel with Urology) (Oral Communications) 06408.30-08.40 FOCUSSED ASSESSMENT WITH SONOGRAPHY IN TRAUMA (FAST) SCANS ARE NOT SUFFICIENTLY SENSITIVE TO RULE OUT SIGNIFICANT INJURY IN PAEDIATRIC TRAUMA PATIENTS C Skerritt1, M Vaidya1, E Makin1, 1Royal London Hospital, London, UK 06508.40-08.50 RE-DISPLACEMENT OF DISTAL BOTH-BONE FOREARM FRACTURES IN CHILDREN: A RANDOMISED CONTROLLED MULTICENTRE TRIAL. J Colaris1, J Allema1, L Biter1, M de Vries1, C van de Ven1, R Bloem1, A Kerver1, M Reijman1, J Verhaar1, 1Erasmus Medical Centre, Rotterdam, The Netherlands 06608.50-08.55 FIXED-ANGLE MATRIX-RIB® BLADE (SYNTHES) AS A TREATMENT OPTION FOR PAEDIATRIC UNSTABLE DIA-METAPHYSEAL FOREARM FRACTURES S. Rohleder1, M. Schwind1, F. Schier1, 1University Medical Center, Mainz, Germany 06708.55-09.00 REPAIR OF POSTERIOR URETHRA RUPTURE IN CHILDREN O Uzunlu1, R Özcan1, S Emre1, M Elicevik1, H Emir1, C Büyükünal1, Y Söylet1, 1Division of Pediatric Urology, department of Pediatric Surgery, Cerrahpasa Medical Faculty,Istanbul University, Istanbul, Turkey 06809.00-09.05 SERUM METAL LEVELS FOLLOWING MINIMALLY INVASIVE REPAIR OF PECTUS EXCAVATUM T Cundy1, C Kirby1, 1Women's and Children's Hospital, Adelaide, South Australia, Australia 06909.05-09.10 A PRACTICAL, NON-SURGICAL TREATMENT OF PECTUS CARINATUM WITH COMPRESIVE ORTHOTIC BRACING IN CHILDREN: RESULTS OF ONE INSTUTITION O Ates1, G Hakguder1, O Z. Karakus1, S Siyve1, M Olguner1, F M Akgur1, 1Dokuz Eylul University, Medical School, Department of Pediatric Surgery, İzmir, Turkey 07009.10-09.15 A SINGLE-INSTITUTION EXPERIENCE OF USING NUSS BAR IN CORRECTION OF PECTUS CARINATUM: INITIAL RESULTS ON 103 CASES. Q Zeng1, N Zhang1, C Chen1, J Yu1, 1Beijing Children's Hospital Affiliated to Capital Medical University, Beijing, China 07109.15-09.25 STAGED MANAGEMENT OF PECTUS CARINATUM A Cohee1, J Lin2, F Frantz2, R Kelly2, 1Children's Hospital of The King's Daughters, Norfolk, Virginia, USA, 2Eastern Virginia Medical School, Norfolk, Virginia, USA 07209.25-09.30 SUCCESFUL NON SURGICAL TREATMENT OF LYMPHATIC AND VENOUS MALFORMATIONS WITH BLEOMYCIN SCLEROTHERAPY T Muir1, G Kessell1, F Hampton1, A Guhan1, R Jajaraj1, 1James Cook University Hospital, Middlesbrough, UK 07309.30-09.35 EFFECT OF PROPRANOLOL IN JUVENILE HEMANGIOMA SUSPENSION MODEL D. Cholewa1, C. Wotzkow2, R. Friis1, T. Grau1, 1Department of Pediatric Surgery University Bern, Inselspital Bern, Switzerland, 2Research Department University Bern, Inselspital Bern, Switzerland 07409.35-09.40 TOPICAL TIMOLOL 0.1% IS AN EFFICIENT TREATMENT FOR SUPERFICIAL HEMANGIOMAS: A PROSPECTIVE STUDY M.-A. Ardelean1, C. Schimke1, G. Schimpl1, 1Paracelsus Medical University, Clinic of Paediatric Surgery, Salzburg, Austria 07509.40-09.45 TREATMENT OF MASSIVE LINGUAL AND CERVICAL LYMPHATIC MALFORMATIONS WITH SIROLIMUS. E Haxhija1, C Wilfinger1, E Sorantin3, H Lackner2, C Urban2, A Haberlik1, M Höllwarth1, 1 Dept. of. Pediatric and Adolescent Surgery, Medical University of Graz, Graz, Austria, 2 Division of Pediatric Hematology/Oncology, Department of Pediatrics and Adolescent Medicine, Medical University of Graz, Graz, Austria, 3Division of Pediatric Radiology, Department of Radiology, Medical University of Graz, Graz, Austria 07609.45-09.55 INDUCED PLURIPOTENT STEM CELLS DERIVED FROM AMNIOTIC FLUID STEM CELLS NEW TOOL FOR TREATMENT OF CONGENITAL DISEASES. C Pipino1, S Mukherjee1, SW Shaw1, G Mostoslavsky3, A Pandolfi2, A Pierro1, AJ Thrasher1, AL David4, P De Coppi1, 1UCL, Institute of Child Health, London, UK, 2University 'G. D' Annunzio', Biomedical Science, Chieti-Pescara, Italy, 3Boston University, Centre for Regenerative medicine, Boston, USA, 4UCL, Institute of Women's Health, London, UK 07709.55-10.00 Human Amniotic Fluid Stem Cells engraft in the Fetal Mouse after Prenatal Xenotransplantation P Shangaris2, SW S Shaw1, C Pipino1, K-H Lee2, P Maghsoudlou1, J Lin1, A L. David2, P De Coppi1, 1Surgery Unit, Institute of Child Health, University College London, London, UK, London, UK, 2Prenatal Cell and Gene Therapy Group, Institute for Women’s Health, University College London, London, UK, London, UK Coffee Break 10.00 - 10.30 JPS STATE OF THE ART LECTURE PROF. DORIS TAYLOR VENUE: “SINOPOLI” ROOM 10.30 – 11.00 DUHAMEL LECTURE VENUE: “SINOPOLI” ROOM 11.00 – 11.30 VENUE: “SINOPOLI” ROOM SCIENTIFIC SESSION VII - GENERAL 2 (Oral Communications 07811.30-11.40 OUTCOME REPORTING IN CLINICAL TRIALS OF CHILDREN’S SURGERY: A SYSTEMATIC REVIEW N Lansdale1, I Sinha2, 1Royal Manchester Children's Hospital, Manchester, UK, 2University of Liverpool, Liverpool, UK 07911.40-11.50 PSARP – PAEDIATRIC SURGERY: ADVICE REGARDING PUBLISHING DT McDowell1, F Quinn1, A Mortell1, 1Departments of Paediatric Surgery, The Children’s University Hospital, Temple Street, Dublin 1 and Our Lady’s Children's Hospital, Crumlin, Dublin 12., Dublin, Ireland 08011.50-11.55 CLINICIAN PROVIDED RATHER THAN INTERNET GATHERED INFORMATION IS MORE VALUED BY THE PARENTS OF CHILDREN ATTENDING A PAEDIATRIC SURGICAL SERVICE. F Hand1, DT McDowell1, RW Glynn2, A Mortell1, H Rowley2, 1Departments of Paediatric Surgery, The Children’s University Hospital, Temple Street, Dublin 1, Ireland, 2Departments of Otolaryngology, The Children’s University Hospital, Temple Street,, Dublin 1, Ireland 08111.55-12.00 CURRENT MANAGEMENT OF APPENDICITIS: A BAPS APPROVED SURVEY A Shalaby1, N Ade-Ajayi1, 1King's College Hospital, London, UK 08212.00-12.10 INCIDENCE OF INTRA-ABDOMINAL ABSCESS FORMATION FOLLOWING LAPAROSCOPIC APPENDICECTOMY IN CHILDREN: SYSTEMATIC REVIEW AND META-ANALYSIS R M Nataraja1, S P Loukogeorgakis1, A Mitra1, W J Sherwood1, S A Clarke1, M J Haddad1, 1Chelsea and Westminster NHS Foundation Trust, London, UK 08312.10-12.15 DEVELOPMENT OF AN OBJECTIVE ENDOSCOPIC SURGICAL SKILL ASSESSMENT SYSTEM FOR PEDIATRIC SURGEONS: SUTURE LIGATURE MODEL OF THE CRURA OF THE DIAPHRAGM IN INFANT FUNDOPLICATION S Ieiri1, R Souzaki2, H Ishii3, M Uemura2, M Tomikawa2, N Matsuoka4, A Takanishi3, M Hashizume2, T Taguchi1, 1Department of Pediatric Surgery, Facultyof Medical Sciences, Kyushu University, Fukuoka, Japan, 2Departmenr of Advanced Medicine and Innovative Technology, Kyushu Unversity Hospital, Fukuoka, Japan, 3Faculty of Science and Engineering, Waseda University, Tokyo, Japan, 4Kyoto Kagaku Co., Ltd, Kyoto, Japan 08412.15-12.20 SIMULATION IN UK PAEDIATRIC SURGICAL TRAINING – A REVIEW OF CURRENT PRACTICE L Coates1, S Blackburn1, F Castillo1, E Hannon1, 1Simulation in Paediatric Surgery - Trainees Forum, UK, UK 08512.20-12.25 WHAT DO YOU DO WITH A LEFT SIDED SUPERIOR VENA CAVA (LSVC)? MI Bader1, P Bromley1, I Jester1, J Bennett1, S Arul1, 1Birmingham Children's Hospital NHS Foundation Trust, Birmingham, UK 08612.25-12.30 VENTILATORY AND HEMODYNAMIC RESPONSE IN NEONATAL LAPAROSCOPY S Fuentes1, I Cano1, R Morante1, M López1, A García1, M Benavent1, A Gómez1, 112 de Octubre University Hospital, Madrid, Spain 08712.30-12.40 THE EFFECT OF PARENTERAL AND ENTERAL GLUTAMINE SUPPLEMENTATION ON GROWTH IN SURGICAL INFANTS REQUIRING PARENTERAL NUTRITION – RESULTS OF A RANDOMISED CONTROLLED TRIAL M Bishay1, V Horn2, D Hesketh2, M Ellmer2, S MacDonald2, J Hawdon4, E Erasmus4, KM Cross2, DP Drake2, JI Curry2, EM Kiely2, P De Coppi1, N Klein1, A Pierro1, S Eaton3, 1UCL Institute of Child Health and Great Ormond Street Hospital for Children, London, UK, 2Great Ormond Street Hospital for Children, London, UK, 3UCL Institute of Child Health, London, UK, 4 University College London Hospital, London, UK 08812.40-12.45 THE EFFECT OF PRENATALLY ADMINISTERED STEROIDS ON THE TREATMENT RESULTS OF THE NEWBORNS GASTROSCHISIS. D Polnik1, L Bacewicz1, W Jaron1, A Kowalski, T Roszkowski1, M Szyszka1, M Wilinska1, P Kalicinski1, 1Children's Memorial Health Institute, Warsaw, Poland, 2Center of Medical Postgraduate Education, Warsaw, Poland 08912.45-12.50 DISRUPTION OF NOTCH SIGNALLING PATHWAY DURING SOMITOGENESIS IN THE CADMIUM-INDUCED OMPHALOCELE CHICK MODEL T Doi1, N Fujiwara1, J-H Gosemann1, J Thompson2, J Bannigan2, A Yamataka3, P Puri1, 1National Children’s Research Centre, Our Lady’s Children’s Hospital, Dublin, Ireland, 2 School of Medicine and Medical Science and Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland, 3Juntendo University School of Medicine, Tokyo, Japan 09012.50-12.55 NOVEL EXOMPHALOS GENETIC MOUSE MODEL: THE IMPORTANCE OF ACCURATE PHENOTYPIC CLASSIFICATION H Carnaghan1, T Roberts2, D Savery1, F Norris2, A Copp1, M Lythgoe2, P DeCoppi1, S Eaton1, A Pierro1, 1UCL, Institute of Child Health, London, UK, 2University College London, London, UK 09112.55-13.00 MICROCIRCULATORY EVALUATION OF THE SURGICAL NEWBORN: A NEW BIOMARKER M-C Struijs1, E Buijs1, J Vlot1, W Hop2, J van Goudoever3, R Keijzer4, D Tibboel1, 1Erasmus MC - Sophia, Rotterdam, The Netherlands, 2Erasmus University, Rotterdam, The Netherlands, 3AMC, Amsterdam, The Netherlands, 4University of Manitoba, Winnipeg, Canada VESICO-UTEREAL REFLUX SYMPOSIUM (SPONSORED BY EDUCATION GRANT FROM OCEANA) VENUE: “SERRA” ROOM DENIS BROWN MEDAL: VENUE: “SINOPOLI” ROOM 13.00 – 13.30 LUNCH 13.30 – 15.00 POSTER WALK 2 Upper GI 2 309 INCIDENCE AND MANAGEMENT OF A COMPLICATION OF PERCUTANEOUS GASTROSTOMY RR Singh1, KM Cross2, JI Curry2, P De Coppi1, EM Kiely2, DJ Roebuck2, A Pierro1, 1UCL Institute of Child Health, London, UK, 2Great Ormond Street Hospital for Children, London, UK 310 PREVALENCE OF HELICOBACTER PYLORI AND CHRONIC GASTRITIS IN MORBIDLY OBESE PEDIATRIC AND ADULT PATIENTS UNDERGOING LAPAROSCOPIC SLEEVE GASTRECTOMY: A COMPARATIVE STUDY A R Alqahtani1, M M Arafah1, M Elahmedi1, H Alamri1, R Mohammed1, 1King Saud University, Riyadh, Saudi Arabia 311 LIMITED AXILLARY THORACOTOMY FOR REPAIR OF TYPE C ESOPHAGEAL ATRESIA. S Ceccanti1, E Mele1, D Morgante1, R Iaconelli1, S Frediani1, DA Cozzi1, 1University of Rome "sapienza", Rome, Italy 312 ABDOMINAL ULTRASOUND SCAN FOR THE DIAGNOSIS OF DUODENAL OBSTRUCTION IN NEONATES AND SMALL INFANTS Y Chen1, Y Li1, W Guo1, 1Capital Medical University, Beijing, China 313 A LITERATURE REVIEW OF OUTCOME AFTER COMPUTER-ASSISTED (ROBOTIC) AND CONVENTIONAL LAPAROSCOPIC NISSEN FUNDOPLICATION FOR GASTRO-OESOPHAGEAL REFLUX DISEASE IN CHILDREN M Hambraeus1, P Stenström1, E Arnbjörnsson1, M Anderberg1, 1Department of Paediatric Surgery, Skåne University Hospital and Lund University, Lund, Sweden 314 FUNDOPLICATION IMPROVES GROWTH FAILURE IN PATIENTS WITH SINGLE VENTRICLE CARDIAC ANOMALIES E Macharia1, S Eaton1, P DeCoppi1, J Curry1, E Kiely1, R Yates1, A Pierro1, 1UCL Institute of CHild Health, London, UK, 2Great Ormond Street Hospital, London, UK 315 INJURIES CAUSED BY ACCIDENTAL INGESTION OF RARE-EARTH MAGNETS M-C Tsai1, B Banieghbal2, 1University of the Witwatersrand, Johannesburg, South Africa, 2Life Health Care Group Hospitals, Johnnesburg, South Africa 316 EOSINOPHILIC ESOPHAGITIS: IS IT ALSO A SURGICAL DISEASE? T Caldaro1, C Caloisi2, Re Tambucci2, F Rea1, E Romeo1, F Torroni1, G Federici di Abriola1, V Labalestra3, L Dall'Oglio1, P De Angelis1, 1Digestive Surgery and Endoscopy Unit - Pediatric Hospital Bambino GesùIRCCS, Rome, Italy, 2Resident of University of L’Aquila, L'Aquila, Italy, 3Resident of University “La Sapienza”, Rome, Italy 317 THE BENEFICIAL EFFECT OF GLUTAMINE FOR ADVANCED CORROSIVE ESOPHAGITIS IN CHILDREN TO PREVENT STRICTURE AND DYSPHAGIA O Arslan1, O Okur1, A Karkiner1, V Erikci1, B Ucan1, A Dursun1, M Yildiz1, N Aksoy1, M Hosgor1, 1Dr. Behcet Uz Children's Hospital, Izmir, Turkey 318 PRENATAL INTESTINAL VOLVULUS: A LIFE THREATENING EVENT WITH GOOD LONG TERM OUTCOME F Auber1, C Grosos1, R Raherison1, N Sabourdin2, E Blondiaux3, J-M Jouannic4, J Guilbert5, D Mitanchez6, G Audry1, 1Service de Chirurgie Pediatrique Viscerale et Neonatale, Hopital Trousseau – Hopitaux Universitaires Est Parisien – AP-HP; Universite Pierre et Marie Curie, Paris, France, 2Service d’Anesthesie Pediatrique, Hopital Trousseau – Hopitaux Universitaires Est Parisien – AP-HP; Universite Pierre et Marie Curie, Paris, France, 3Service de Radiologie, Hopital Trousseau – Hopitaux Universitaires Est Parisien – AP-HP; Universite Pierre et Marie Curie, Paris, France, 4Service de GynecologieObstetrique, Hopital Trousseau – Hopitaux Universitaires Est Parisien – AP-HP; Universite Pierre et Marie Curie, Paris, France, 5Service de Reanimation, Hopital Trousseau – Hopitaux Universitaires Est Parisien – AP-HP; Universite Pierre et Marie Curie, Paris, France, 6Service de neonatologie, Hopital Trousseau – Hopitaux Universitaires Est Parisien – AP-HP; Universite Pierre et Marie Curie, Paris, France 319 ESOPHAGEAL MULTICHANNEL INTRALUMINAL IMPEDANCE IN PATIENTS WITH REPAIRED ESOOPHAGEAL ATRESIA AND NISSEN FUNDOPLICATION. F. Nino1, S. Coppola1, A. Tramontano2, P. Parmeggiani1, A. Papparella1, 1Second University Of Naples - Pediatric Surgery, Naples, Italy, 2Santobono Hospital, Naples, Italy 320 PYLORO-DUODENAL DUPLICATION CYSTS. TREATMENT OF 11 CASES S Lopez-Fernandez1, S Hernandez-Martin1, M Ramirez Piqueras1, R Ortiz Rodriguez1, L Martinez Martinez1, JA Tovar Larrucea1, 1Department of Pediatric Surgery, Hospital Universitario La Paz, Madrid, Spain POSTER WALK 2 Lower GI 2 261 EXPENSIVE ISN'T ALWAYS BETTER. A LOW COST NERVE STIMULATOR IS EQUIVALENT TO A HIGH COST MUSCLE STIMULATOR FOR ANORECTAL MALFORMATION SURGERY S Short1, S Zhai2, G Frykman3, K Kimble1, P Frykman1, 1Cedars-Sinai Medical Center, Los Angeles, California, USA, 2New Hope Foundation, Beijing, China, 3Indpendent Consultant, Bethesda, Maryland, USA 262 EFFECT OF CFTR GENE MUTATIONS ON BOWEL HABIT. M Mokhtar1, D Croaker1, 1Australian National University Medical School, Canberra, ACT, Australia, 2 The Canberra Hospital, Canberra, ACT, Australia 263 THE AUTONOMOUS SPINAL FAECAL CONTINENCE REFLEX. P Broens1, F Penninckx2, E Heineman1, J Boix Ochoa3, 1Department of Surgery, Division of Paediatric Surgery, University Medical Center Groningen, Groningen, The Netherlands, 2Department of Abdominal Surgery, University Hospital Gasthuisberg, Catholic University of Leuven, Leuven, Belgium, 3Department of Paediatric Surgery, Hospital Infantil Valle Hebrón, Barcelona, Spain 264 SUB MUCOSAL BULKING AGENT INJECTION FOR IMPROVING FECAL INCONTINENCY IN PATIENTS WITH ANORECTAL MALFORMATION S M V Hosseini1, A Rahimi1, M Khazdooz1, 1Hormozgan and Shiraz University of Medical Sciences, Bandar Abbas ,Hormozgan,, Iran, 2 Shiraz University of Medical Sciences, Shiraz ,Fars, Iran 265 NITRIC OXIDE EFFECT IN DISTAL COLON MOTILITY F Volpe1, Y Vicente1, J Rocha1, 1University of Sao Paulo, Ribeiro Preto Medical School, Ribeiro Preto, Brazil 266 EVALUATION OF THE APPENDIX DURING A DIAGNOSTIC LAPAROSCOPY; THE LAPAROSCOPIC APPENDICITIS SCORE J Hamminga1, H Hofker1, P Broens1, P Kluin2, E Heineman1, J Haveman1, 1Department of Surgery, University Medical Center Groningen, Groningen, The Netherlands, 2Department of Pathology, University Medical Center Groningen, Groningen, The Netherlands 267 SIGNIFICANCE OF CYTOKINES IN ACUTE APPENDICITIS AND ACUTE MESENTERIC LYMPHADENITIS IN CHILDREN A Zviedre1, A Engelis1, P Tretjakovs1, M Kakar1, A Petersons1, 1University Children's Hospital, Riga, Latvia 268 LAPAROSCOPICALLY-ASSISTED SINGLE-INCISION, SINGLE-INSTRUMENT COLON RESECTION IN PEDIATRIC PATIENTS Al Bernshteyn1, C Burnweit1, 1Miami Children's Hospital, Miami, FL, USA 269 RECTAL SUCTION BIOPSIES TAKEN IN PATIENTS YOUNGER THAN 49 DAYS ARE LESS RELIABLE FOR EVALUATION OF HIRSCHSPRUNG DISEASE THAN RECTAL SUCTION BIOPSIES TAKEN AT OLDER AGE. G Kuiper1, K Parry1, A Timmer2, A Karrenbeld2, P Broens1, 1Department of Surgery, Division of Paediatric Surgery, University Medical Center Groningen, Groningen, The Netherlands, 2Department of Pathology and Medical Biology, University Medical Center Groningen, Groningen, The Netherlands 270 QUALITATIVE ANALYSIS OF STUDIES CONCERNING QUALITY OF LIFE IN CHILDREN AND ADULTS WITH ANORECTAL MALFORMATIONS M Witvliet1, H Heij1, A van der Steeg1, 1Pediatric surgical center Amsterdam, Amsterdam, The Netherlands 271 POST-OPERATIVE HIRSCHSPRUNG’S ASSOCIATED ENTEROCOLITIS: IMPACT OF ANTIBIOTIC PROPHYLAXIS F. Grandi1, F. Morini2, S. Cocchio3, V. Baldo3, P. Bagolan2, PG. Gamba1, 1Pediatric Surgery, University of Padua, Padua, Italy, 2Bambino Gesù Children’s Research Hospital, Rome, Italy, 3Institute of Hygiene, Environmental Medicine and Public Health Department, University of Padua, Padua, Italy 272 A CASE CONTROL STUDY COMPARING SINGLE-INCISION LAPAROSCOPIC ENDORECTAL PULLTHROUGH TO TRADITIONAL LAPAROSCOPIC ENDORECTAL PULL-THROUGH FOR HIRSCHSPRUNG DISEASE S-t Tang1, S-w Li1, Y Yang1, X Huang1, L Yang1, 1Pediatric Surgery, Union Hospital, Wuhan, Hubei Province, China POSTER WALK 2 Lower GI 3 273 LITERATURE REVIEW OF THE FREQUENCY OF REOPERATIONS AFTER TRANSANAL ENDORECTAL PULL-THROUGH PROCEDURE FOR HIRSCHSPRUNG´S DISEASE IN CHILDREN C Lopera1, P Stenstrom1, M Anderberg1, E Arnbjorn1, 1Dep. of Pediatric surgery in Lund, Sweden, Lund, Sweden 274 MULTIDISCIPLINARY APPROACH TO DIAGNOSIS AND TREATMENT OF INTESTINAL VISCERAL MYOPATHIES L Lombardi1, G Martucciello2, E Bruder3, F Caravaggi1, E Thai4, E M Silini4, C Del Rossi1, 1Department of Pediatric Surgery-Maggiore Hospital of Parma, via Gramsci 14- Parma, Italy, 2DIPE-University of Genova, G.Gaslini,5- Genova, Italy, 3University of Basel, Basel, Switzerland, 4Department of PathologyMaggiore Hospital of Parma, via Gramsci 14-Parma, Italy 275 DOES SINGLE STAGE REPAIR OF INTERMEDIATE ANORECTAL MALFORMATION CONFER ADVANTAGE ON OUTCOME IN RESOURCE POOR SETTING? L O Abdur-Rahman1, A A Nasir1, K T Bamigbola1, J O Adeniran1, A O Oyinloye1, 1University of Ilorin Teaching Hospital, Ilorin, Nigeria 276 INTESTINAL ANASTOMOSIS: EARLY ORAL REFEEDING SHORTENS RECOVERY OF PATIENTS F Saitua1, D Alvarez5, J Alvarez1, 1Universidad del Desarrollo, Santiago, Chile, 2Universidad de Chile, Santiago, Chile, 3Clinica Alemana de Santiago, Santiago, Chile, 4Hospital Luis Calvo Mackenna, Santiago, Chile, 5Hospital Felix Bulnes, Santiago, Chile 277 GASLESS SINGLE INCISION LAPAROSCOPIC-ASSISTED (SILA) APPENDECTOMY THROUGH AN UMBILICAL INCISION IN CHILDREN: ECOLOGICAL AND ECONOMICAL SYSTEMS T Shono1, Y Takahashi1, G Esumi1, A Fukuda1, 1Saga Prefectural Hospital Koseikan, Saga, Japan 278 OUTCOME OF BABIES WITH IDIOPATHIC NEONATAL FUNCTIONAL BOWEL OBSTRUCTION (NFBO) R Harwood1, M Short1, A Lawson1, 1Royal Victoria Infirmary, Newcastle Upon Tyne, UK 279 CLINICAL EFFECTS OF HEPATOCYTE GROWTH FACTOR (HGF), HEPATOCYTE GROWTH FACTOR ACTIVATOR (HGFA), AND ARGININE IN AN EXPERIMENTAL RODENT MODEL OF INFLAMMATORY BOWEL DISEASE (IBD) N Zwintscher1, S Salgar1, C Newton2, S Steele1, 1Madigan Healthcare System, Tacoma, WA, USA, 2 Children's Hospital Oakland, Oakland, CA, USA 280 ANORECTAL MANOMETRY UNDER KETAMINE ANAESTHESIA AND AWAKE FOR EVALUATION OF DEFECATION DISORDERS IN CHILDREN A Keshtgar1, M Choudhry1, H Ward1, 1Evelina Children Hospital, Guy’s and St Thomas’ Hospital, National Health Service Foundation Trust, London, UK, 2Chelsea and Westminster Hospital, National Health Service Foundation Trust, London, UK, 3Barts and the Royal London Hospital, National Health Service Trust, London, UK 281 STAPLED DIVISION OF THE COMMON WALL AND ANORECTOPLASTY IN TOTAL COLONIC DUPLICATION WITH ANORECTAL MALFORMATION. FUNCTIONAL RESULTS OF THREE CASES M Ramirez1, S Barrena1, MD Marin1, V Amesty1, S Hernandez-Martin1, R Ortiz1, E Dominguez1, M Miguel1, F Hernandez1, J Murcia1, L Martinez1, JA Tovar1, 1Hospital Universitario La Paz, Madrid, Spain 282 MINIMAL INVASIVE MANAGEMENT OF CHILDHOOD INTUSSUSCEPTION DRAMATICALLY REDUCES THE REQUIREMENT OF OPEN SURGICAL REDUCTION U Ates1, G Kucuk1, G Gollu1, M Bingol Kologlu1, A Yagmurlu1, M Cakmak1, T Aktug1, H Dindar1, 1University of Ankara, Faculty of Medicine, Department of Pediatric Surgery, Ankara, Turkey 283 COMBINED LAARP AND MINIMAL-PSARP TECHNIQUE FOR REPAIR OF HIGH ANORECTAL MALFORMATIONS IN BOYS A. Golebiewski1, M. Murawski1, M. Losin1, M. Krolak1, P. Czauderna1, 1Medical University of Gdansk, Gdansk, Poland 284 STOMA FORMATION UNDER 6 MONTHS OF AGE FOR HIRSCHSPRUNG DISEASE IN THE PRIMARY PULL-THROUGH ERA: WHO GETS WHAT AND WHY? NJ Hall1, AR Ross1, V Rossi1, EM Kiely1, P DeCoppi1, K Cross1, JI Curry1, A Pierro1, 1Great Ormond Street Hospital, London, UK POSTER WALK 2 Urology 2 345 HORSESHOE KIDNEYS IN CHILDHOOD – ARE THEY MORE THAN INCIDENTAL FINDINGS ? SA Warne1, A Cherian1, P Cuckow1, I Mushtaq1, N Smeulders1, J Dhillon1, P G Ransley1, P G Duffy1, 1Department of Paediatric Urology, Great Ormond Street Children’s Hospital, LONDON, UK 346 MODIFIED KOYANAGI TECHNIQUE: IS IT A RELIABLE ONE-STAGE REPAIR FOR SEVERE POSTERIOR HYPOSPADIAS? T Blanc1, K Farmakis1, T Chouikh1, A Cheikhelard1, H Lottmann1, S Lortat-Jacob1, Y Aigrain1, 1APHP, Hôpital Necker, Paris, France 347 CORRELATION OF PREOPERATIVE STATUS OF GONADOTROPINS (LH AND FSH), TESTOSTERONE AND IGF1 AND TESTICULAR HISTOPATHOLOGY AT SURGERY FOR CRYPTORCHIDISM D. Zivkovic1, J. Varga1, D. Katanic1, G. Konstantinidis1, F. Hadziselimovic2, 1Institute for Child and Youth Health Care of Vojvodina, Novi Sad, Serbia, 2Kindertagesklinik, Liestal, Switzerland 348 FERTILITY AND MALIGNANCY IN UNDESCENDED TESTES - A SYSTEMATIC REVIEW AND METAANALYSIS D Mullassery1, M Bader1, M Floyd Jr1, P D Losty1, 1Alder Hey Children's NHS Foundation Trust and University of Liverpool, Liverpool, UK 349 RENAL CELL CARCINOMA IN CHILDREN H-C SONG1, N SUN1, W-P ZHANG1, C-r HUANG1, University, Beijing, China 1 Beijing Children's Hospital, Capital Medical 350 NEONATALLY DIAGNOSED VESICO-URETERIC JUNCTION OBSTRUCTION: RATE AND PREDICTOR FACTORS OF SPONTANEOUS RESOLUTION IN A LONG-TERM FOLLOW-UP S Arena1, P Impellizzeri1, A S Montalto1, T Russo1, M R Gravina1, F Arena1, C Romeo1, 1Unit of Pediatric Surgery - University of Messina, Messina, Italy 351 MEATAL PATHOLOGY IN BOYS FOLLOWING CIRCUMCISION FOR BALANITIS XEROTICA OBLITERANS B Nasr1, P Losty1, H Corbett1, 1Alder Hey Children’s NHS Foundation Trust, Liverpool, UK 352 MEGAURETERS: HOW LONG WOULD IT TAKE FOR DILATATION TO RESOLVE? R Ranawaka1, S Hennayake1, 1Royal Manchester Children’s Hospital UK, Manchester, UK 353 IS MOST NOCTURNAL ENURESIS REALLY MONOSYMPTOMATIC? K Kyrklund1, M P Pakarinen1, A Koivusalo1, R J Rintala1, S Taskinen1, 1University of Helsinki, Hospital for Children and Adolescents, Helsinki, Finland 354 THE HIGH URINARY LEVEL OF MMP-9 AS A MARKER OF THE LOW CONTRACTILE ACTIVITY OF THE URETER IN CHILDREN WITH CONGENITAL NON-REFLUXING MEGAURETER E. Krasnova1, L. Deryugina1, N. Zakharova1, D. Morozov1, 1Saratov State Medical University named after VI Razumovsky, Saratov, Russia 355 PERCUTANEOUS ENDOPIELOTOMY AS RESCUE TREATMENT FOR URETEROPELVIC JUNCTION OBSTRUCTION RECURRENCE A Parente1, JM Angulo1, RM Romero1, S Rivas1, AR Tardáguila1, C Corona1, 1Pediatric Surgery Deparment, Hospital Infantil Gregorio Marañón, Madrid, Spain 356 THE EFFECT OF BIOFEEDBACK TRAINING ON VOIDING AND URODYNAMIC PARAMETERS IN CHILDREN WITH BLADDER EXSTROPHY. I Makedonsky1, 1Children's Hospital, Dnepropetrovsk, Ukraine POSTER WALK 2 Thoracic 2 165 THORACOSCOPIC SYMPATHECTOMY FOR PALMAR HYPERHIDROSIS IN CHILDREN CK Sinha1, E Kiely1, 1GOS Hospital for Children, London, UK 166 LONG TERM OUTCOME OF TRANSVERSUS ABDOMINIS SINGLE MUSCLE FLAP REPAIR FOR CONGENITAL DIAPHRAGMATIC AGENESIS A Arnaud1, A Guinot1, T Gaillot2, O Azzis1, P Bétrémieux3, E Habonimana1, B Frémond1, 1Department of General Paediatric Surgery, University Hospital, Rennes, France, 2Paediatric intensive care unit, University Hospital, and Center of clinical investigations, INSERM 0203, Rennes, France, 3Paediatric intensive care unit, University Hospital, Rennes, France 167 EXPERIENCE OF CONGENITAL DIAPHRAGMATIC HERNIA (CDH) IN A LARGE TERTIARY CENTRE IN THE UK OVER A 5 YEAR PERIOD R Harwood1, E Smith1, S Harigopal1, 1Royal Victoria Infirmary, Newcastle Upon Tyne, UK 168 RIB-ANCHORING SUTURE TECHNIQUE FOR CONGENITAL DIAPHRAGMATIC HERNIA REPAIR. S Ceccanti1, E Mele1, D Morgante1, M d' Avanzo1, M Roggini1, DA Cozzi1, 1University of Rome "Sapienza", Rome, Italy 169 MODERN OUTCOME OF OESOPHAGEAL ATRESIA – TWENTY YEARS EXPERIENCE IN A SINGLE CENTRE A Koivusalo1, H Lindahl1, R Rintala1, M Pakarinen1, 1Childrens´Hospital, Helsinki, Finland 170 LOCO-REGIONAL VERSUS SYSTEMIC ANALGESIA FOR THORACOTOMY IN INFANTS: LESS PAIN IS BETTER CARE. A Di Pede1, S Sgro1, F Morini1, P Bozza1, I Capolupo1, A Conforti1, M Lombardi1, R Laviani1, A Dotta1, P Bagolan1, 1Bambino Gesù Children's Research Hospital, Rome, Italy 171 EVOLVING SURGICAL APPROACHES IN THE MANAGEMENT OF BENIGN AND MALIGNANT PEDIATRIC THORACIC PATHOLOGIES OVER THE LAST DECADE C. Oliveira1, S. Himidan1, M. Wyler von Ballmoos2, P. Kim1, 1The Hospital for Sick Children, Toronto, ON, Canada, 2Medical College of Wisconsin, Milwaukee, WI, USA 172 ASYMPTOMATIC CONGENITAL LUNG MALFORMATIONS: LUNG PRESERVING STRATEGIES DJB Keene1, P Green1, A Shabani1, G Rakoczy1, J Bruce1, G Humphrey1, 1Royal Manchester Children's Hospital, Greater Manchester, UK 173 A NEW INCISIONLESS NONINVAZIVE TREATMENT METHOD FOR PECTUS EXCAVATUM DEFORMITY: VACUUM BELL THERAPY O Ates1, G Hakguder1, O Z Karakus1, S Siyve1, M Olguner1, F M Akgur1, 1Dokuz Eylul University, Medical School, Department of Pediatric Surgery, Izmir, Turkey 174 RECURRENT TRACHEOESOPHAGEAL FISTULA (RTEF): TRACHEOSCOPIC CHEMOCAUTERIZATION WITH TRICHLOROACETIC ACID (TCA). P Varela1, C Sierralta1, F Saitua1, 1HospitalLuis Calvo Mackenna, Santiago, Chile, 2Universidad de Chile, Santiago, Chile, 3Clinica Alemana de santiago, Santiago, Chile, 4Universidad del Desarrollo, Santiago, Chile, 5Clinica Las Condes, Santiago, Chile 175 THORACOSCOPIC REPAIR OF CONGENITAL DIAPHRAGMATIC HERNIA IN NEONATES – FIRST RESULTS OF A LONGITUDINAL SINGLE-CENTRE-STUDY K. Zahn1, T. Schaible1, L. Wessel1, 1UMM Mannheim, Mannheim, Germany 176 DIAGNOSIS AND MANAGEMENT OF CONGENITAL LUNG MALFORMATIONS C Skerritt1, S Gould1, S Chakraborty1, L Impey1, K Lakhoo1, 1Oxford Children's Hospital, Oxford, UK POSTER WALK 2 Basic Science 2 201 COMPARISON OF LARGE SEGMENTAL BONE DEFECT HEALING AFTER TRANSPLANTATION OF AUTOGENOUS CANCELLOUS BONE GRAFT AND AFTER IMPLANTATION OF HAP-COLLAGEN SCAFFOLD COMBINED WITH MESENCHYMAL STEM CELLS L Planka1, R Srnec2, M Crha2, P Proks2, L Vojtova3, P Gal1, A Necas2, 1Masaryk University Faculty of Medicine, Brno, Czech Republic, 2University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic, 3Brno University of Technology, Brno, Czech Republic 202 pH MEASUREMENTS AND ITS CORRELATION WITH VIABILITY IN RATS WITH TESTICULAR TORSION A T Bozkurter1, U Bicakci1, E Ariturk1, B Tander1, I Isildak2, M Kefeli3, M Gunaydin1, R Rizalar1, F Bernay1, 1Ondokuz Mayis University, Department of Paediatric Surgery, Samsun, Turkey, 2Ondokuz Mayis University, Department of Chemistry, Samsun, Turkey, 3Ondokuz Mayis University, Department of Pathology, Samsun, Turkey 203 RAT ABDOMINALL WALL RECONSTRUCTION USING CELL SEEDED AND UNSEDEED PIG-VASCULAR GRAFT, PRELIMINARY RESULTS M Nowacki1, L Nazarewski2, A Jundzill3, T Kloskowski1, J Skopinska-Wisniewska4, A lukasiewicz3, S Nazarewski2, J Szmidt2, T Drewa1, 1Tissue Engineering Department, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus in Torun, Bydgoszcz, Poland, 2Department of General, Vascular, and Transplant Surgery, Warsaw Medical University, Warsaw, Poland, 3Department of General and Vascular Surgery, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus in Torun, Bydgoszcz, Poland, 4Department of Chemistry and Polymers Photochemistry, Nicolaus Copernicus University in Torun, Torun, Poland 204 THE EFFECT OF INFLAMMATION DURATION ON THE OXIDATIVE STRESS PARAMETERS IN THE RAT APPENDICITIS MODEL M Tan1, L Elemen1, K Yanar2, S Aydin2, Y Gurbuz3, 1Kocaeli University Medical Faculty Department of Pediatric Surgery, Kocaeli, Turkey, 2Istanbul University Cerrahpasa Medical Faculty Department of Biochemistry, Istanbul, Turkey, 3Kocaeli University Medical Faculty Department of Pathology, Kocaeli, Turkey 205 CAJAL-LIKE CELLS IN THE URINARY TRACT: IS IT A MYTH? J Kunze1, U Rolle2, N Peukert1, F Franke3, M Metzger4, H Till1, R Metzger1, 1Department of Pediatric Surgery, University of Leipzig, Leipzig, Germany, 2Department of Pediatric Surgery, University of Frankfurt, Frankfurt, Germany, 3Department of Pathology, University of Giessen, Giessen, Germany, 4 Department of Translational Medicine, University of Leipzig, Leipzig, Germany 206 STRUCTURAL CHARACTERISATION OF PECTUS EXCAVATUM AND CLINICAL CORRELATION F Tocchioni1, C Morelli1, A Mariani1, R Lo Piccolo1, A Martin1, D Guasti2, L Calosi2, M Ghionzoli1, P Romagnoli2, A Messineo1, 1Department of Paediatric Surgery, Meyer Children Hospital, Florence, Italy, 2 Department of Anatomy, Histology and Forensic Medicine, University of Florence, Florence, Italy 207 EXOME SEQUENCING IDENTIFIES THE CAUSE OF CAUDAL REGRESSION SYNDROME (CRS) G Cheng1, EHM Wong1, PS Sham1, SW Scherer2, SM Maas3, MM Garcia-Barcelo1, PKH Tam1, 1The University of Hong Kong, Hong Kong, Hong Kong, 2University of Toronto, Toronto, Canada, 3Academic Medical Center Amsterdam, Amsterdam, The Netherlands 208 HB-EGF and HGF Inhibit Bile Duct Ligated Cholestatic Liver Injury in Mice by Different Actions K Sakamoto1, K-i Kosai2, N Cin Khai2, W Yuqing2, R Maezono2, H Matsufuji1, 1Department of Pediatric Surgery, Kagoshima University of Medical and Dental Science, Kagoshima, Japan, 2Department of Gene Therapy and Regenerative Medicine, Kagoshima University of Medical and Dental Science, Kagoshima, Japan 209 MULTIPLE ENTRY FETOSCOPIC INTERVENTION – PRELIMINARY RESULTS OF FETOSCOPIC BAG PLACEMENT FOR GASTROSCHISIS IN A LAMB MODEL. R Bergholz1, T Krebs1, K Wenke1, T Andreas1, B Tiemann1, J Paetzel1, B Jacobsen2, R Fahje2, C Schmitz1, K Hecher2, K Reinshagen1, 11. Department of Pediatric Surgery, UKE: University Hospital Eppendorf,, Hamburg, Germany, 22. Department of Obstetrics and Fetal Medicine, UKE: University Hospital Eppendorf,, Hamburg, Germany, 33. Department of Experimental Animal Research, UKE: University Hospital Eppendorf,, Hamburg, Germany 210 “TIE OVER RING” A NEW SUTURELESS GASTROINTESTINAL ANASTOMOSIS METHOD: EXPERIMENTAL RAT MODEL R Shojaeian1, M Hiradfar1, M Gharavi1, S Hajian1, N Zabolinejad1, A Sabzevari1, M Joodi1, 1Mashhad University of Medical Sciences, Mashhad, Iran 211 MICROBIAL PROFILING OF THE ILEUM IN NECROTIZING ENTEROCOLITIS – CULTURE VERSUS MOLECULAR ANALYSIS T Hall1, V Soro1, S Sprague1, M Woodward2, D Dymock1, 1University of Bristol, Bristol, UK, 2Bristol Royal Hospital for Children, Bristol, UK POSTER WALK 2 Hepatobiliary 2 225 3D MODELLING AND MAPPING FOR SELECTIVE PARTIAL PANCREATECTOMY IN CONGENITAL HYPERINSULINISM Ro Tambucci1, M Pizzoferro1, P Francalanci1, L Monti1, V Rufini2, C Dionisi-Vici1, J de Ville de Goyet1, 1Multidisclipinary Group for Congenital Hyperinsulinism, Bambino Gesù Children’s Research Hospital, Rome, Italy, 2Institute of Nuclear Medicine, Catholic University of the Sacred Heart, Rome, Italy 226 INFANTILE HEPATIC HAEMANGIOENDOTHELIOMA: A 32-YEAR SINGLE CENTRE SERIES A Macdonald1, M Samyn1, M Sellars1, A Giombini1, N Heaton1, M Davenport1, 1Kings College Hospital, London, UK 227 URINARY SULFATED BILE ACID ANALYSIS FOR EARLY DIAGNOSIS OF BILIARY ATRESIA: A 2ND REPORT M Obatake1, K Mochizuki1, Y Taura1, Y Inamura1, T Nagayasu1, 1Nagasaki University Hospital, Nagasaki, Japan 228 SMALL-DOSE STEROIDS HAVE A PROTECTIVE EFFECT ON LIVER HISTOLOGY AFTER PEDIATRIC LIVER TRANSPLANTATION S Kosola1, H Lampela1, H Jalanko1, J Lohi1, J Arola1, MP Pakarinen1, 1Helsinki Children's Hospital, Helsinki, Finland, 2Department of Pathology, Helsinki University Central Hospital, Helsinki, Finland 229 HAS ULTRASOUND REDUCED THE NEED FOR RADIOISOTOPE SCANS IN THE INVESTIGATION OF NEONATAL CONJUGATED JAUNDICE? T Humphrey1, W Ramsden1, P McClean2, S Rajwal2, S Davison2, N Alizai2, 1Paediatric Radiology, General Infirmary, Leeds, UK, 2Children's Liver Unit, General Infirmary, Leeds, UK 230 HIGH DOSE STEROID ADJUVANT THERAPY IN BILIARY ATRESIA; IS IT SAFE? M Dawrant1, S Rajwal1, S Davison1, V Karthik1, P McClean1, N Alizai1, 1Leeds General Infirmary, Leeds, UK 231 A SINGLE CENTRE EXPERIENCE OF THE MANAGEMENT OF CHOLEDOCHOLITHIASIS WITH ERCP PRIOR TO INTERVAL LAPAROSCOPIC CHOLECYSTECTOMY. A Macdonald1, N Ade-Ajayi1, S Patel1, A Desai1, M Davenport1, 1King's College Hospital, London, UK 232 EMBRYONAL SARCOMA OF THE LIVER G Chocarro1, V Amesty1, F Hernandez1, M Ramírez1, R Ortiz1, S Hernandez-Martin1, L Martínez1, M Gamez1, M Lopez Santamaria1, JA Tovar1, 1Hospital Universitario La Paz, Madrids, Spain 233 THE CHANGING FACE OF PAEDIATRIC CHOLECYSTECTOMY: A TWELVE YEAR EXPERIENCE A Niyogi1, R Jeeneea1, N Mehta1, M O Jones1, 1Alder Hey Hospital, Liverpool, UK 234 ROLE OF RADIOLOGIC INTERVENTIONS IN THE TREATMENT OF LIVER HEMANGIOMAS OR VASCULAR MALFORMATION: OWN EXPERIENCE. M. Markiewicz-Kijewska1, G. Brzezinska-Rajszys1, P. Kalicinski1, L. Bacewicz1, A. Lembas1, P. Maruszewski1, 1Children’s Memorial Health Institute, Warsaw, Poland 235 COMPARATIVE ANALYSIS OF FUSIFORM AND SPHERICAL CHOLEDOCHAL CYSTS P Menon1, K.L.N. Rao1, B.R. Thapa1, Y.K. Batra1, 1Postgraduate Institute of Medical Education and Research, Chandigarh, India 236 CONSERVATIVE OR RADICAL SURGERY FOR LIVER HYDATID CYSTS IN CHILDHOOD: 30 YEARS MULTICENTRIC EXPERIENCE Kr. Kalinova1, P. Stefanova1, N. Raichkov1, Sl. Paliiska1, A. Angelov1, 1University Hospital, Stara Zagora, Bulgaria, 2University Hospital, Plovdiv, Bulgaria, 3Minicipality Hospital, Stara Zagora, Bulgaria, 4 Minicipality Hospital, Sliven, Bulgaria POSTER WALK 2 Oncology 1 381 RECURRENT WILMS TUMOR: FACTORS AND OUTCOMES S Agarwala1, N Sugandhi1, S Bakhshi2, M Srinivas1, M Bajpai1, BK Mohanti3, AK Gupta4, V Bhatnagar1, 1Department of Pediatric Surgery, All India Institute of Medical Sciences, New Delhi, India, 2 Department of Medical Oncology, All India Institute of Medical Sciences, New Delhi, India, 3 Department of Radiotherapy, All India Institute of Medical Sciences, New Delhi, India, 4Department of Radiodiagnosis, All India Institute of Medical Sciences, New Delhi, India 382 LONG-TERM OUTCOME OF NEPHRON SPARING SURGERY FOR CHILDREN WITH UNILATERAL RENAL TUMOR. DA Cozzi1, A Schiavetti1, S Ceccanti1, S Frediani1, R Iaconelli1, F Cozzi1, 1University of Rome "Sapienza", Rome, Italy 383 MINIMALLY INVASIVE SURGERY VERSUS OPEN APPROACH TO BENIGN OVARIAN TUMORS: A COMBINED SERIES FROM TWO PEDIATRIC SURGICAL UNITS. G Lisi1, FS De Girolamo1, T Gargano2, F Destro2, N Pappalepore1, G Ruggeri2, M Lima2, P Lelli Chiesa1, 1Pediatric Surgery Unit - University G. d'Annunzio of Chieti-Pescara, Pescara, Italy, 2 Department of Paediatric Surgery, University of Bologna, Bologna, Italy 384 ASSOCIATED ANOMALIES OF SACROCOCCYGEAL TERATOMA J Derikx1, M Koeneman1, R Wijnen2, H Heij3, R van Baren4, D van der Zee5, M Wijnen6, E van Heurn1, 1Maastricht University Medical Centre, Maastricht, The Netherlands, 2Erasmus Medical Centre-Sophia Children’s Hospital, Rotterdam, The Netherlands, 3Pediatric Surgical Centre of Amsterdam (Emma Children’s Hospital AMC/Vrije University Medical Centre), Amsterdam, The Netherlands, 4University Medical Centre Groningen, Groningen, The Netherlands, 5ilhelmina Children’s Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands, 6Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands 385 THYROID SURGERY IN CHILDREN: CLINICAL OUTCOMES CK Sinha1, P DeCoppi1, A Pierro1, C Brain1, P Hindmarsh1, M Dattani1, H Spoudeas2, TR Kurzawinski2, 1 GOS Hospital for Children, London, UK, 2GOS Hospital for Children & UCL Institute of Child Health, London, UK 386 MANAGEMENT OF 9 CASES OF WILMS’ TUMOUR WITH INTRA-CARDIAC EXTENSION; A SINGLE CENTRE EXPERIENCE Y Abdullah1, J Karpelowsky1, A Davidson1, A Brooks1, J Hewitson1, A Numanoglu1, AJW Millar1, 1Red Cross War Memorial Children's Hospital and University of cape Town, Cape Town, South Africa 387 AGRESSIVE SURGICAL APPROACH WITH CYTOREDUCTIVE SURGERY ASSOCIATED TO HYPERTHERMIC INTRAPERITONEAL CHEMOPERFUSION (CS-HIPEC) FOR MESOTHELIOMA IN CHILDREN P Philippe-Chomette1, D Orbach4, A Vershuur2, J M Guys2, N Andre2, A El Ghoneimi1, S Msika3, 1Robert Debre Hospital, Paris, France, 2La Timone Hospital, Marseille, France, 3Louis Mourier Hospital, Colombes, France, 4Curie Institute, Paris, France 388 STUDIES ON CTNNB1 AND WT1 MUTATIONS IN PEDIATRIC PATIENTS WITH WILMS TUMOR M Li1, N Sun1, W Feng1, 1Capital Medical University, Beijing, China 389 OUTCOMES IN WILMS TUMOUR IN A LOW INCOME COUNTRY: IS SURGICAL STAGING SENSIBLE? E Borgstein1, T Israels2, S Kamiza1, E Molyneux1, 1College of Medicine, Blantyre, Malawi, 2University of Amsterdam, Amsterdam, The Netherlands 390 L1CAM AS A PROGNOSTIC MARKER IN NEPHROBLASTOMA R. Wachowiak1, H. Fiegel2, N. Peukert1, M. Kunkel3, J. Kaifi3, N. Graf4, I. Leuschner5, H. Till1, R. Metzger1, 1Department of Pediatric Surgery, Leipzig, Germany, 2Department of Pediatric Surgery, Frankfurt am Main, Germany, 3Department of Surgery, Penn State Milton S. Hershey Medical Center, USA, 4Department of Pediatric Oncology, University of Saarland, Homburg/Saar, Germany, 5 Department of Pediatric Pathology, University of Kiel, Germany 391 TREATMENT OF LYMPH NODE METASTASES IN CHILDREN WITH A RHABDOMYOSARCOMA IN THE NETHERLANDS. A LONG TERM EVALUATION C.E.J. Terwisscha van Scheltinga1, P. Spronk1, M.H.W.A. Wijnen2, H.A Heij3, M.M. van Noesel1, R.M.H. Wijnen1, 1Erasmus MC, Rotterdam, The Netherlands, 2UMCN, Nijmegen, The Netherlands, 3AMC, Amsterdam, The Netherlands 392 HISTOLOGICAL IMPACT ON THE PROGNOSIS OF PRENATALLY DIAGNOSED SACROCOCCYGEAL TERATOMAS: THE RESULTS OF A JAPANESE NATIONWIDE SURVEY A Yoneda1, N Usui2, R Souzaki3, Y Kitano4, H Sago5, Y Kanamori4, T Nakamura5, S Nosaka6, M Saito7, T Taguchi3, 1Department of Pediatric Surgery, Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Osaka, Japan, 2Department of Pediatric Surgery, Osaka University Graduate School of Medicine, Suita, Osaka, Japan, 3Department of Pediatric Surgery, Kyushu University, Fukuoka, Japan, 4Division of Surgery, National Center for Child Health and Development, Tokyo, Japan, 5 Department of Maternal-Fetal and Neonatal Medicine, National Center for Child Health and Development, Tokyo, Japan, 6Department of Radiology, National Center for Child Health and Development, Tokyo, Japan, 7Department of Biostatistics and Epidemiology, Graduate School of Medicine and Medical Center, Yokohama City University, Yokohama, Japan MEET THE EXPERT LUNCH 3 VENUE : « STUDIO 2 » ROOM 13.30 – 15.00 Airway reconstruction Martin Elliott Jean Michel Triglia MEET THE EXPERT LUNCH 4 VENUE : « STUDIO 3 » ROOM 13.30 – 15.00 Intestinal failure Dan Teitelbaum Manuel Lopez SATURDAY JUNE 16th SCIENTIFIC SESSION VIII - UPPER GI (Oral Communications) 09208.30-08.40 LAPAROSCOPIC THAL FUNDOPLICATION IN CHILDREN: A PROSPECTIVE 10-15 YEAR FOLLOW-UP STUDY F.A. Mauritz1, M.Y.A. van Herwaarden-Lindeboom1, R.H.J. Houwen3, K. Fischer2, P.D. Siersema4, D.C. van der Zee1, 1Department of Pediatric Surgery, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands, 2Department of Epidemiology, Julius Center for Health Science and Primary Care, Utrecht, The Netherlands, 3 Department of Pediatric Gastroenterology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands, 4Department of Gastroenterology and Hepatology, University Medical Center Utrecht, Utrecht, The Netherlands 09308.40-08.45 INTEGRATED GASTRO-JEJUNAL FEEDING TUBES – AN ALTERNATIVE TO FUNDOPLICATION IN NEUROLOGICALLY IMPAIRED CHILDREN. T Burki1, N Hall1, K Dick1, M Stanton1, L Kitteringham1, M Griffiths1, D Burge1, M Griffiths1, 1Southampton University Hospital, Southampton, UK 09408.45-08.50 DEXTRANOMER HYALURONIC ACID COPOLYMER EFFECTS ON THE GASTROESOPHAGEAL JUNCTION: A PILOT STUDY IN RABBITS K Martin1, S Emil1, C Bernard1, F Gaied1, M Blumenkrantz1, J-M Laberge1, V Morinville1, V-H Nguyen1, 1Montreal Children's Hospital, McGill University Health Centre, Montreal, Quebec, Canada COMPLICATIONS AFTER SURGICAL CORRECTION OF 09508.50-08.55 GASTROINTESTINAL NEUROMUSCULAR SCOLIOSIS T Jalanko1, I Helenius2, K Korhonen1, M Pakarinen1, P Salminen1, R Rintala1, A Koivusalo1, 1Children's Hospital, Helsinki University Central Hospital, Helsinki, Finland, 2 Children's Hospital, Turku University Central Hospital, Turku, Finland 09608.55-09.05 RISK OF MUCOSAL PERFORATION AND INCOMPLETE PYLOROMYOTOMY IN OPEN AND LAPAROSCOPIC PYLOROMYOTOMY NJ Hall1, S Eaton1, C Leys2, A Seims2, JC Densmore3, CM Calkins3, DJ Ostlie4, SD St Peter4, R Azizkhan5, D von Allmen5, JC Langer6, E Lapidus-Krol6, S Brouchard7, N Piche7, S Bruch8, R Drongowski8, G Mackinlay9, C Clark9, A Pierro1, 1UCL Institute of Child Health and Great Ormond Street Hospital, London, UK, 2Riley Hospital for Children, Indianapolis, IN, USA, 3 Medical College of Wisconsin, Milwaukee, WI, USA, 4Children's Mercy Hospital, Kansas City, MO, USA, 5Cincinnati Children's Hospital, Cincinnati, OH, USA, 6Hospital for Sick Children, Toronto, Canada, 7Hospital Sainte-Justine, Montreal, Canada, 8University of Michigan, Ann Arbor, MI, USA, 9Royal Hospital for Sick Children, Edinburgh, UK 09809.05-09.10 THORACOSCOPIC REPAIR OF OESOPHAGEAL ATRESIA: RESULTS OF A REFINED APPROACH C Dingemann1, C Zoeller1, B Ure1, 1Centre of Paediatric Surgery, Hannover Medical School, Hannover, Germany VS THORACOTOMY IN ESOPHAGEAL ATRESIA WITH 09909.10-09.20 THORACOSCOPY TRACHEOESOPHAGEAL FISTULA REPAIR : REVIEW OF THE LITERATURE AND METAANALYSIS. F A Borruto1, P Impellizzeri1, A Simona Montalto1, P Antonuccio1, E Santacaterina1, G Scalfari1, F Arena1, C Romeo1, 1Department of Medical and Surgical Pediatric Sciences, Unit of Pediatric Surgery, University of Messina, Messina, Italy 10009.20-09.25 ESOPHAGEAL ATRESIA AND TEF: SPECTRUM OF GENETIC, CONGENITAL AND SPINAL ANOMALIES IN THE ERA OF MICROARRAY ANALYSIS B Sayed1, A Bhatia1, 1Emory University, Atlanta, GA, USA 10109.25-09.30 OESOPHAGEAL TISSUE ENGINEERING COMBINING DECELLULARIZED SCAFFOLDS AND CD34+ EPITHELIAL STEM CELLS P Maghsoudlou1, D Klepacka1, A Dickinson1, G Totonelli1, P Shangaris1, C Pipino1, A Pierro1, S Eaton1, P De Coppi1, 1UCL Institute of Child Health, London, UK 10209.30-09.40 A CRITICAL EVALUATION OF THE FOKER TECHNIQUE FOR THE TREATMENT OF ULTRALONG GAP ESOPHAGEAL ATRESIA: LESSONS LEARNED AT 2 EUROPEAN CENTERS M Sroka1, R Wachowiak2, M Losin1, A Szlagatys-Sidorkiewicz3, P Landowski3, P Czauderna1, J Foker4, H Till2, 1Department of Surgery and Urology for Children and Adolescents, Medical University of Gdansk, Gdansk, Poland, 2Department of Pediatric Surgery. Children's and Women's Hospital University of Leipzig, Leipzig, Germany, 3Department of Pediatrics, Gastroenterology, Hepatology and Nutrition, Medical University of Gdansk, Gdansk, Poland, 4Department of Surgery University of Minnesota Medical School Minneapolis, Minnesota, USA 10309.40-09.45 LAPAROSCOPIC ADJUSTABLE GASTRIC BANDING FOR ADOLESCENTS IN FRANCE: PRELIMINARY EXPERIENCE N Khen-Dunlop1, J-L Michel1, O Goulet1, C Telion1, Y Aigrain1, Y Revillon1, M Dabbas1, 1Necker-Enfants Malades Hospital, Paris, France 10409.45-09.50 LIVER PATHOLOGY IN MORBIDLY OBESE CHILDREN AND ADOLESCENTS WHO UNDERWENT LAPAROSCOPIC SLEEVE GASTRECTOMY A R Alqahtani1, M M Arafah1, H Alamri1, R Mohammed1, M Elahmedi1, V Zimmerman1, 1King Saud University, Riyadh, Saudi Arabia 10509.50-10.00 OUTCOMES OF EARLY VERSUS LATE INTESTINAL OPERATIONS IN PATIENTS WITH GASTROSCHISIS AND INTESTINAL ATRESIA: RESULTS FROM A PROSPECTIVE NATIONAL DATABASE A Alshehri1, S Emil1, J-M Laberge1, E Skarsgard2, Canadian Pediatric Surgery Network1, 1Montreal Children's Hospital;Mcgill University Health Centre, Montreal, Quebec, Canada, 2British Columbia Children's Hospital; University of British Columbia, Vancouver, British Columbia, Canada STORZ LECTURE Jeff VALLA EUPSA NETWORKE OFFICE REPORT SCIENTIFIC SESSION IX - HEPATOBILIARY (Oral Communications) 10611.00-11.10 PROGNOSIS OF BILIARY ATRESIA IN THE ERA OF LIVER TRANSPLANTATION : FRENCH NATIONAL SERIES 1986-2009 C Chardot1, C Buet1, M O Serinet1, A Lachaux1, B Roquelaure1, F Gottrand1, P Broué1, A Dabadie1, F Gauthier1, E Jacquemin1, 1Observatoire français de l'atrésie des voies biliaires, Hôpital Necker - enfants malades, Université Paris Descartes, Paris, France 10711.10-11.20 TERTIARY KASAI PROCEDURE PROVISION FOR BILIARY ATRESIA REDUCES THE NEED FOR PAEDIATRIC LIVER TRANSPLANTATION M Pachl1, C Lloyd1, J Hartley1, E Ong1, I Van Mourik1, P McKiernan1, P Muiesan2, G Gupte1, M Platto1, D Kelly1, D Mirza2, K Sharif1, 1Birmingham Children's Hospital Liver Unit, Birmingham, UK, 2Queen Elizabeth Hospital Liver Unit, Birmingham, UK 10811.20-11.25 HIGH DOSE STEROIDS IMPROVE OUTCOME IN BILIARY ATRESIA: PROSPECTIVE STUDY M Davenport1, N Hadzic1, 1Kings College Hospital, London, UK 10911.25-11.30 VITAMIN D LEVELS IN INFANTS WITH BILIARY ATRESIA: PRE AND POST KASAI PORTOENTEROSTOMY. A Paul1, NJ Wright1, N Hadzic1, M Davenport1, 1Kings College Hospital, London, UK 11011.30-11.35 HEPATIC EXPRESSION OF SURVIVIN AND CASPASE-3 IN BILIARY ATRESIA P Vejchapipat1, S Poomsawat2, S Chittmittrapap1, Y Poovorawan3, 1Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand, 2Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Mahidol University, Bangkok, Thailand, 3 Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand 11111.35-11.40 INFLAMMATORY DESTRUCTION OF THE MICROCIRCULATORY NETWORK IN MURINE BILIARY ATRESIA. C O v. Sochaczweski1, I Pintelon2, I Brouns2, J-P Timmermanns2, J Kuebler1, C Petersen1, 1Department of Pediatric Surgery, Medical University, Hannover, Hannover, Germany, 2Department of Veterinary Science, University of Antwerp, Antwerp, Belgium 11211.40-11.45 TOPOGRAPHY OF THE PORTA HEPATIS IN BILIARY ATRESIA A Shalaby1, R Hajhosseiny1, A Quaglia1, A Knisely1, Y Zen1, M Davenport1, 1Kings College Hospital, London, UK 11311.45-11.50 PREDICTORS OF OPERATIVE INTERVENTION IN CHILDREN WITH CHRONIC PANCREATITIS D Chauhan1, I Zamora1, D Lazar1, S Hassan1, O Olutoye1, 1Texas Children's Hospital, Houston, TX, USA 11411.50-11.55 ACCURACY OF PET/CT SCAN IN THE DIAGNOSIS OF THE FOCAL FORM OF CONGENITAL HYPERINSULINISM P Laje1, LJ States1, SA Becker1, AA Palladino1, CA Stanley1, NS Adzick1, 1The Children's Hospital of Philadelphia, Philadelphia, PA, USA 11511.55-12.05 PANCREAS DIGESTION INCREASES HYPOXIA AND STRESS MARKERS DURING HUMAN ISLET ISOLATION E Maillard1, SE Cross1, PA Bateman1, P Tuiedor2, D Brandhorst1, A Clark2, DWR Gray1, SJ Hughes1, PRV Johnson1, 1Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK, 2Oxford Centre for Diabetes, Endocrinology, and Metabolism, Churchill Hospital, Oxford, UK 11612.05-12.10 A PROTEOMIC APPROACH FOR INVESTIGATING PANCREATIC EXTRACELLULAR MATRIX DIGESTION DURING HUMAN ISLET ISOLATION PA Bateman1, SE Cross1, D Brandhorst1, K Jones1, DWR Gray1, SJ Hughes1, PRV Johnson1, 1Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK 11712.10-12.15 THE EFFECTS OF CHEMICAL SYMPATECTOMY ON LIVER REGENERATION IN RATS UNDERGOING PARTIAL HEPATECTOMY S Demirezen1, G Karaguzel1, K Balaban1, T Gelen1, H Akbas1, C Boneval1, M Melikoglu1, 1Akdeniz University, Antalya, Turkey VERSUS CONVENTIONAL LAPAROSCOPIC ROUX-Y 11812.15-12.25 SINGLE-INCISION HEPATICOJEJUNOSTOMY FOR CHILDREN WITH CHOLEDOCHAL CYSTS: A CASE-CONTROL STUDY L Li1, M Diao1, N Dong1, Q Li1, H Ye1, 1Department of Pediatric Surgery, Capital Institute of Pediatrics, Beijing, China 11912.25-12.30 LAPAROSCOPIC CHOLECYSTOCOLOSTOMY: A NOVEL SURGICAL APPROACH FOR TREATMENT OF PROGRESSIVE FAMILIAL INTRAHEPATIC CHOLESTASIS L Li1, M Diao1, J-S Zhang1, H Ye1, 1Department of Pediatric Surgery, Capital Institute of Pediatrics, Beijing, China HONORS & MEDALS POSTER WALK 3 Upper GI 3 321 JEJUNAL INTERPOSITION IN LONG GAP OESOPHAGEAL ATRESIA: EXPERIENCE FROM A SINGLE CENTRE L Coates1, J Lopes1, J McNally1, E Cusick1, 1Bristol Royal Hospital for Children, Bristol, UK 322 PAEDIATRIC BARIATRIC SURGERY: A RETROSPECTIVE ANALYSIS G Paulus1, JW Greve2, E van Heurn1, 1MUMC+, Maastricht, The Netherlands, 2Atrium MC, Heerlen, The Netherlands 323 WHEN GASTROSCHISIS TURNS SOUR S Lopez-Fernandez1, F Hernandez Oliveros1, S Hernandez-Martin1, E Dominguez Amillo1, AM Andres Moreno1, JL Encinas Hernandez1, M Lopez Santamaria1, JA Tovar Larrucea1, 1Department of Pediatric Surgery, Hospital Universitario La Paz, Madrid, Spain 324 THE EPIDEMIOLOGY OF INFANTILE HYPERTROPHIC PYLORIC STENONSIS IN A DANISH POPULATION, 1985-2009 L Rasmussen1, L P Hansen1, K Christensen1, S Husby1, 1Department of Surgery A, Odense University Hospital, DK-5000 Odense C, Denmark 325 OUTCOMES OF LAPAROSCOPIC HELLER MYOTOMY IN CHILDREN R Lamas-Pinheiro1, M Amaral1, M Campos1, E Trindade2, J Amil-Dias2, J Estevão-Costa1, 1Division of Pediatric Surgery. Faculty of Medicine, Hospital S. João, Porto, Portugal, 2Unit of Pediatric Gastroenterology. Hospital S. João, Porto, Portugal 326 DOES WEIGHT IMPACT THE OUTCOME OF INFANTS UNDERGOING LAPAROSCOPIC NISSEN FUNDOPLICATION? T Meckmongkol1, R Prasad1, M Katz1, M Schwartz1, M Moront1, S Timmapuri1, G Arthur1, 1St. Christopher's Hospital for Children, Philadelphia, PA, USA 327 SURGICAL TREATMENT AND OUTCOMES OF INTESTINAL MOTILITY DISORDERS IN CHILDREN REQUIRING PARENTERAL NUTRITION M Pakarinen1, A Kurvinen1, A Koivusalo1, T Ruuska2, R Rintala1, 1Children's Hospital, University of Helsinki, Helsinki, Finland, 2Tampere University Central Hospital, Tampere, Finland 328 EVALUATION OF FACTORS AFFECTING THE SURVIVAL OF NEONATES WITH OESOPHAGEAL ATRESIA IN AN INDIAN TERTIARY CARE CENTRE. K N Rattan1, Y S Kadian1, P Kajal1, 1Pt B.D.Sharma P.G.I.M.S. Rohtak, Haryana, India 330 OESOPHAGEAL ATRESIA: EARLY RENAL ULTRASOUND IS RECOMMENDED S Kamaledeen1, N Weiken1, P Charlesworth1, A Joshi1, H Ward1, 1The Royal London Hospital, London, UK 332 SPECIFIC BIOCHEMICAL AMNIOTIC FLUID PATTERN OF FETAL ISOLATED ESOPHAGEAL ATRESIA C Muller1, I Czerkiewicz1, F Guimiot1, S Dreux1, A Bonnard1, F Muller1, 1Robert Debre Hospital, APHP, Paris, France, 2Paris VII University, Paris, France POSTER WALK 3 Lower GI 4 285 THE INCIDENCE OF POSTOPERATIVE COMPLICATIONS IN RET PROTO-ONCOGENE POSITIVE PATIENTS WITH HIRSCHSPRUNG´S DISEASE L Kavalcova1, R Skaba1, E Vaclavikova2, B Rouskova1, S Dvorakova2, P Macokova3, B Bendlova2, 1Department of Pediatric Surgery, 2nd Faculty of Medicine, Charles University and Faculty Motol Hospital, Prague, Czech Republic, 2Department of Molecular Endocrinology, Institute of Endocrinology, Prague, Czech Republic, 3Department of Pathology, 2nd Faculty of Medicine, Charles University and Faculty Motol Hospital, Prague, Czech Republic 286 PROGNOSTIC VALUE OF CRP FOR PREDICTING SURGERY IN INFANTS WITH NECROTIZING ENTEROCOLITIS T Chouikh1, N Mom, F Kieffer2, M Vodovar2, M Kassis2, S Lortat-Jacob1, J-F Magny2, Y Aigrain1, N KhenDunlop1, 1Necker-Enfants Malades Hospital, Paris, France, 2Institut de Puericulture et de Périnatalogie, Paris, France 287 TOTAL COLONIC AGANGLIONOSIS – 15 YEAR SINGLE CENTRE EXPERIENCE P Corbett1, M Griffths1, D Burge1, RM Beattie1, M Stanton1, 1Southampton Hospital, Southampton, UK 288 THE ALVARADO SCORE AND C REACTIVE PROTEIN LEVEL (CRP) MAY HELP THE JUNIOR DOCTORS MAKE DECISIONS ON ADMISSION AND TREATMENT OF ACUTE APPENDICITIS R Pradhan1, K Lin2, B McConchie1, M Mannakkara1, U Samarakkody1, 1Waikato Hospital, Hamilton, New Zealand, 2University of Auckland, Waikato Clinical School, Hamilton, New Zealand 289 UNPLANNED REOPERATIONS AFTER GASTROSCHISIS CLOSURE F Friedmacher1, A Hock1, C Castellani1, A Avian2, ME Hoellwarth1, 1Department of Pediatric and Adolescent Surgery, Medical University Graz, Graz, Austria, 2Institute for Medical Informatics, Statistics and Documentation, Medical University Graz, Graz, Austria 290 OPEN VERSUS LAPAROSCOPIC APPENDECTOMY IN PEDIATRIC POPULATION: REVIEW AND METAANALYSIS I Giurin1, A Calvo1, F Alicchio1, A Roberti1, C Suarez1, C Esposito1, A Settimi1, 1University of Naples, Naples, Italy, 2Hospital of Nino Jesus, Cordoba, Argentina 291 PRE-OPERATIVE STOMA REQUIREMENT DOES NOT AFFECT THE FUNCTIONAL OUTCOME OF PATIENTS WITH HIRSCHSPRUNG’S DISEASE DT McDowell1, OM Aworanti1, J Hung1, I Martin1, F Quinn1, 1Our Lady's Children's Hospital, Crumlin, Dublin 12, Ireland 293 ASSOCIATED UROLOGIC MALFORMATIONS IN PATIENTS WITH ANORECTAL MALFORMATION AND A RECTO-BLADDER NECK FISTULA I Samuk1, A Bischoff1, J Hall1, M Levitt1, A Pena1, 1Cincinnati Children's Hospital Medical Center, Cincinnati, USA 294 SIMULATION MODEL FOR THE EARLY MANAGEMENT OF GASTROSCHISIS J Bacarese-Hamilton1, V Pena2, MJ Haddad2, SA Clarke2, 1Imperial College London, London, UK, 2 Chelsea & Westminster Hospital, London, UK 295 PREOPERATIVE DIAGNOSIS OF SIMPLE VERSUS COMPLEX APPENDICITIS: THE COMPLEX APPENDICITIS TOOL FOR CHILDREN R Gorter1, A van den Boom2, J van der Lee3, I Dawson2, H Heij1, 1VU University Medical Center, Amsterdam, The Netherlands, 2IJsselland Hospital, Rotterdam, The Netherlands, 3Emma Children's Hospital AMC, Amsterdam, The Netherlands 296 PROKINETIC EFFECT OF ERYTHROMYCIN IN THE POSTOPERATIVE RECOVERY OF NEONATES WITH BOWEL-RELATED MALFORMATIONS: A SYSTEMATIC REVIEW G Lauriti1, V Cascini1, D Di Renzo1, G Lisi1, P Lelli Chiesa1, 1Paediatric Surgery Department - "G. d'Annunzio" University, Chieti-Pescara, Italy POSTER WALK 3 Urology 3 357 MAPPING TESTICULAR BLOOD SUPPLY IN GUBERNACULUM SPARING 2ND STAGE FOWLER STEPHENS PROCEDURE S Islam1, S Adams1, AA Mahomed1, 1Royal Alexandra Children's Hospital, Brighton, UK 358 EPIDIDYMAL CYSTS IN CHILDREN: A ROLE FOR SURGERY? P Bhishma1, B More1, A Rajimwale1, 1Leicester Royal Infirmary, Leicester, UK 359 IS ULTRASONOGRAPHY OF THE INGUINO-SCROTAL REGION APPROPRIATELY USED IN A TERTIARY PAEDIATRIC SURGICAL CENTRE SETTING? N Featherstone1, S Negus2, S Guiliani1, N Sudhakaran1, B Okoye1, F Murphy1, 1Department of Paediatric Surgery, St George's Hospital, London, UK, 2Department of Paediatric Radiology, St George's Hospital, London, UK 360 EARLY RESULTS OF BOTULINUM TOXIN INJECTION IN PATIENTS WITH NON-NEUROPATHIC OVERACTIVE / LOW COMPLIANCE BLADDER J Kingston1, A P Dickson1, M A Lewis1, A Goyal1, 1Royal Manchester Children’s Hospital, Manchester, UK 361 TRANSVESICAL REIMPLANTATION OF URETER IN CHILDREN: ROBOTIC ASSISTED TECHNIQUE JH Lim1, N Gattas1, A Najmaldin1, 1Leeds Teaching Hospital, Leeds, UK 362 A NEW TECHNIQUE FOR THE MININVASIVE TREATMENT OF SEVERE PRIMARY OBSTRUCTIVE MEGAURETER IN THE FIRST YEAR OF AGE: OUR EXPERIENCE G Torina1, G Collura1, E Mele1, M C Gargahese2, N Capozza1, 1Surgical Unit of the Paediatric Renal Transplant and Correlated Patologies, “Bambino Gesù” Children’s Hospital and Research Institute, Rome, Italy, 2Paediatric Nuclear Medicine Unit, “Bambino Gesù” Children’s Hospital and Research Institute, Rome, Italy 363 ENDOSCOPIC TREATMENT OF PRIMARY OBSTRUCTIVE MEGAURETER. IS IT EFFECTIVE? R M Romero1, J M Angulo1, A Parente1, S Rivas1, A R Tardaquila1, 1Pediatric surgery unit. Hospital Universitario Gregorio Marañón, Madrid, Spain 364 EFFICACY OF MODERATE VERSUS MILD POTENT TOPICAL STEROID TREATMENTS IN PERSISTENT SYMPTOMATIC PHIMOSIS IN BOYS: A PROSPECTIVE RANDOMIZED CLINICAL TRIAL J Galea1, N Johal1, D De Caluwe1, 1Chelsea and Westminster, London, UK 365 THE EFFECTS OF ORCHIDOPEXY ON SERUM AMH CONCENTRATION IN BOYS OPERATED ON FOR UNILATERAL CRYPTORCHIDISM BETWEEN THE 1ST AND 4TH YEAR OF LIFE E Matuszczak1, A Hermanowicz1, W Debek1, M Komarowska1, E Dzienis-Koronkiewicz1, M Oksiuta1, 1Pediatric Surgery Department Medical university in Bialystok, Bialystok, Poland 366 TESTICULAR MICROLITHIASIS IN CHILDHOOD – “WATCHING AND WAITING “ ? – A SYSTEMATIC REVIEW AND META-ANALYSIS J S Suominen1, P D Losty1, 1Alder Hey Children's NHS Foundation Trust, Liverpool, UK, 2Alder Hey Children's NHS Foundation Trust and The University of Liverpool, Liverpool, UK 367 COMPARISON OF DYSFUNCTIONAL VOIDING FREQUENCY IN PATIENTS WITH NOCTURNAL ENURESIS COMPARED TO HEALTHY CHILDREN Ö Boybeyi1, M K Aslan1, G Durmus1, I Özmen1, T Soyer1, 1Kirikkale University, Faculty of Medicine, Department of Pediatric Surgery, Kirikkale, Turkey 368 LAPAROSCOPY VERSUS ULTRASONOGRAPHY FOR THE EVALUATION OF MULLERIAN STRUCTURES IN CHILDREN WITH COMPLEX DISORDERS OF SEX DEVELOPMENT M Steven1, S O'Toole1, J Lam2, G MacKinlay2, S Cascio1, 1Royal Hospital for Sick Children, Glasgow, UK, 2 Royal Hospital for Sick Children, Edinburgh, UK POSTER WALK 3 Urology 4 369 ROBOTIC-ASSISTED LAPAROSCOPIC PYELOPLASTY IN CHILDREN: A SINGLE INSTITUTION LEARNING CURVE N Gattas1, S Whiteley2, A Najmaldin2, 1University of Queensland, Brisbane, Queensland, Australia, 2 Leeds Teaching Hospitals NHS Trust, Leeds, West Yorkshire, UK 370 BLADDER EFFICACY OF MITROFANOFF DRAINAGE IN BOYS WITH POSTERIOR URETHRAL VALVES A Moro1, A Robb1, L McCarthy1, 1Birmingham Children's Hospital, Birmingham, West Midlands, UK 371 CALCITONIN GENE-RELATED PEPTIDE (CGRP) AND THE HUMAN CREMASTERIC MUSCLE MA Ozen1, C Ulukaya Durakbasa1, IE Zemheri1, HM Mutus1, H Okur1, 1TCSB Medeniyet University Goztepe Training and Research Hospital, Istanbul, Turkey 372 IS CONSECUTIVE VIDEO-URODYNAMIC INVESTIGATION NECESSARY IN CHILDREN WITH NEUROGENIC BLADDER? HOW OFTEN? S Bilici1, S Emre1, R Özcan1, N Koç1, N Canpolat2, S Caliskan2, L Sever2, M Elicevik1, H Emir1, C Büyükünal1, Y Söylet1, 1Division of Pediatric Urology, department of Pediatric Surgery, Cerrahpasa Medical Faculty,Istanbul University, Istanbul, Turkey, 2Division of Pediatric Nephrology , Cerrahpasa Medical Faculty,Istanbul University, Istanbul, Turkey 373 EXPERIENCE OF PEDIATRIC URETEROSCOPY IN URINARY STONE DISEASE M N Azili1, F Ozcan1, H Atayurt1, T Tiryaki1, 1Ankara Child Diseases Hematology and Oncology Education and Research Hospital, Ankara, Turkey 374 BOTULINUM TOXIN TYPE A FOR NEUROGENIC DETRUSOR OVERACTIVITY DUE TO SPINAL CORD LESIONS IN CHILDREN: A RETROSPECTIVE STUDY OF FOURTEEN CASES M Peycelon1, C Do Ngoc Thanh2, C Dariane1, C Grapin-Dagorno1, V Forin2, G Audry1, 1AP-HP, Hôpital Trousseau, Chirurgie viscérale pédiatrique, Paris, France, 2AP-HP, Hôpital Trousseau, Médecine Physique et Réadaptation fonctionnelle pédiatrique, Paris, France 375 QUANTITATIVE ASSESMENT OF URETHRAL RATIO ON INITIAL VOIDING CYSTOURETHROGRAM FOR THE DIAGNOSIS OF POSTERIOR URETHRAL VALVES M Hosgor1, A Dursun1, I Tamsel1, P Gulcu1, B Ucan1, H Evciler1, E Serdaroglu1, O Okur1, M Yildiz1, N Aksoy1, 1Dr. Behcet Uz Children's Hospital, Izmir, Turkey 376 RESULTS OF ELECTIVE TESTICULAR FIXATION FOR UNEXPLAINED RECURRENT TESTICULAR PAIN M Pacilli1, C Yiu1, C Jackson1, D Carroll1, A Khan1, M Williams1, 1Cambridge University Hospital, Cambridge, UK 377 ENDOSCOPIC DILATATION OF PRIMARY OBSTRUCTIVE MEGAURETER S Jasienski1, A Arnaud1, A Guinot1, O Azzis1, B Fremond1, 1University Hospital, Rennes, France 378 RENAL FUNCTION ASSESSMENT IN URETEROPELVIC JUNCTION OBSTRUCTION IN CHILDREN : COMPARISON OF ULTRASONOGRAPHY AND MAG3 RENAL SCINTIGRAPHY. A Guinot1, A Arnaud1, P Darnault1, O Azzis1, E Habonimana1, B Fremond1, 1University Hospital, Rennes, France 379 ENDOUROLOGICAL TREATMENT OF THE POSTNEPHRECTOMY URETERAL STUMP SYNDROME AR Tardáguila1, JM Angulo1, A Parente1, RM Romero1, S Rivas1, C Corona1, M Zornoza1, R Rojo1, 1hospital Gregorio Marañón, Madrid, Madrid, Spain 380 THE PLACE OF CONSERVATIVE MANAGEMENT OF UNILATERAL HYDRONEPHROSIS; THE LONG TERM OUTCOME OF 93 PATIENTS REFERRED TO A PAEDIATRIC UROLOGICAL UNIT. F Murphy1, S Hennayake1, 1Royal Manchester Children's Hospital, Manchester, UK POSTER WALK 3 Thoracic 3 177 PAEDIATRIC PRIMARY SPONTANEOUS PNEUMOTHORAX: TO CT OR NOT TO CT? G Soccorso1, R M Lindley1, S Marven1, 1Paediatric Surgery Unit, Sheffield Children’s NHS Foundation Trust, Sheffield, UK 178 BRONCHO-PULMONARY SEQUESTRATIONS : PRENATAL DIAGNOSIS AND POSTNATAL OUTCOME. E Robert1, M Bonnevalle1, P Vaast1, C Thumerelle1, R Besson1, R Sfeir1, 1CHRU, Hôpital Jeanne de Flandre, Lille, France 179 QUALITY OF LIFE IN PATIENTS WITH THORACIC WALL DEFORMITIES IS COMPARABLE WITH HEALTHY PEERS. WP Zuidema1, AFW van der Steeg1, PJ van Huijstee2, MWN Oomen1, JWA Oosterhuis3, HA Heij1, 1Pediatric Surgical Center Amsterdam, Emma Children's Hospital AMC and VU University medical center, Amsterdam, The Netherlands, 2Thoracic surgery, Haga Hospital, The Hague, The Netherlands, 3Thoracic surgery, VU University medical center, Amsterdam, The Netherlands 180 MODIFICATION OF THORACOSCOPIC CORRECTION OF LONG-GAP ESOPHAGEAL ATRESIA IN CHILDREN A Razumovsky1, S Bataev1, A Alkhasov1, Z Mitupov1, V Rachkov1, N Kulicova1, R Ignatiev1, R Khanverdiev1, E Ekimovskaya1, A Sharipov1, 1Filatov Children's Hospital, Moscow, Russia, 2Russian State Medical University, Moscow, Russia, 3Plastic and reconstruction unit of RAMS and CI RAS, Moscow, Russia 181 1705 CASES OF EXPERIENCE FOR THE TREATMENT AND PREVENTION OF THE INTRAOPERATIVE COMPLICATIONS OF NUSS PROCEDURE. C Chen1, Q Zeng1, N zhang1, J Yu1, 1Beijing Children's Hospital Affiliated to Capital Medical University, Beijing, China 182 CONGENITAL EMPHYSEMA IN CHILDREN. SEGMENTAL LUNG RESECTION D Krivchenya1, E Rudenko1, 1National Medical O O Bohomolets University, Kiyv, Ukraine 183 SPLIT ABDOMINAL WALL MUSCLE FLAP REPAIR IN LARGE CONGENITAL DIAPHRAGMATIC HERNIA T Gelas1, C Palamara1, R Dubois1, F Hameury1, O Claris2, PY Mure1, 1Hopital Femme Mere Enfant, Hospices Civils de Lyon - Pediatric Surgery Department, Lyon, France, 2Hopital Femme Mere Enfant, Hospices Civils de Lyon - Neonatal Intensive Care Unit, Lyon, France 184 PATIENTS WITH THORACIC WALL DEFORMITIES ARE NEGATIVE ABOUT THE APPEARANCE OF THEIR CHEST BUT THIS DOES NOT AFFECT GENERAL BODY IMAGE. WP Zuidema1, AFW van der Steeg1, PJ van Huijstee3, MWN Oomen1, JWA Oosterhuis2, HA Heij1, 1Pediatric Surgical Center Amsterdam, Emma Children's Hospital AMC and VU University medical center, Amsterdam, The Netherlands, 2Thoracic Surgery, VU University Medical Center, Amsterdam, The Netherlands, 3Thoracic Surgery, Haga Hospital, The Hague, The Netherlands 185 LONG-TERM OUTCOMES OF CONGENITAL TRACHEAL STENOSIS TREATED BY METALLIC AIRWAY STENTING K Maeda1, S Ono1, Y Tazuke1, K Baba1, 1Jichi Medical University, Tochigi, Japan 186 THE OBJECTIVE CRITERION FOR PATCH REPAIR IN NEONATES WITH CDH M. Rygl1, P. Kuklova1, D. Zemkova1, K. Pycha1, Z. Stranak2, J. Melichar2, J. Snajdauf1, 1Department of Pediatric Surgery, Charles University in Prague, Teaching Hospital Motol, Prague, Czech Republic, 2 Institute for the Care of Mother and Child, Prague, Czech Republic 187 ESOPHAGEAL ATRESIA AND TRACHEOESOPHAGEAL FISTULA. THORACOSCOPIC REPAIR ELIMINATES DIRECT LUNG MANIPULATION AND PREVENTS RESPIRATORY TRACT-RELATED COMPLICATIONS ASSOCIATED WITH OPEN REPAIR H Koga1, T Okazaki1, Y Ogasawara1, G Miyano1, M Okawada1, K Nishimura2, G J Lane1, E Inada2, A Yamataka1, 1Department of Pediatric General and Uroogenital Surgery, Juntendo School of Medicine, Tokyo, Japan, 2Department of Anesthesiology and Pain Medicine, Juntendo University School of Medicine, Tokyo, Japan 188 ERASER LASER FOR THE REMOVAL OF PULMONARY METASTASES IN CHILDREN H Souto1, JL Alonso1, JM Ollero1, A Varela1, J Rodríguez de Alarcón1, R Espinosa1, A Luis1, C Riñon1, P Morató1, M Miguel1, R Tejedor1, 1Hospital Universitario Niño Jesús, Madrid, Spain POSTER WALK 3 Trauma 1 237 PEDIATRIC URINARY BLADDER TRAUMA (PUBT): UPSES EUROPEAN MULTICENTER STUDY A Basharkhah1, J-M Guys2, P Caione3, W Feitz4, A Avanouglu5, M Wijnen4, A Saxena1, 1Department of Pediatric and Adolescent Surgery, Medical University of Graz, Graz, Austria, 2Department of Pediatric Surgery, Hospital Timone Enfant, Marseille, France, 3Division of Pediatric Urology, Ospedale Bambino Gesù, Rome, Italy, 4Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands, 5 Department of Pediatric Surgery, Ege University, Izmir, Turkey 238 BITE INJURIES IN CHILDREN U Rolle1, H Till2, W Handrick3, 1Department of Paediatric Surgery, Goethe-University, Frankfurt/M., Germany, 2Department of Paediatric Surgery, University of Leipzig, Leipzig, Germany, 3Institute Medical Diagnostics Oderland, Frankfurt/O., Germany 239 BEYOND THE HOSPITAL: PEDIATRIC TRAUMA DEATHS I Bratu1, D Lowe1, L Phillips2, 1University of Alberta, Stollery Children's Hospital, Edmonton, Alberta, Canada, 2Concordia University College of Alberta, Edmonton, Alberta, Canada 240 EARLY CONVERSION TO BELOW-ELBOW CAST FOR DISPLACED DIAPHYSEAL BOTH-BONE FOREARM FRACTURES IN CHILDREN: A MULTICENTRE RANDOMISED CONTROLLED TRIAL J Colaris1, J Allema1, L Biter1, M Reijman1, C van de Ven1, M de Vries1, R Bloem1, A Kerver1, J Verhaar1, 1Erasmus Medical Centre, Rotterdam, The Netherlands 241 EVALUATION OF MANGLED EXTREMITY SEVERITY SCORE (MESS) AS A PREDICTOR OF LOWER LIMB AMPUTATION IN CHILDREN WITH TRAUMA M Hosseinpour1, M H Rafiei2, S Behdad1, 1Trauma Research Center-Kashan University of Medical Sciences, Kashan, Iran, 2Alzahra Hospital, Isfahan, Iran 242 PREDICTING THE FAILURE OF NON-OPERATIVE MANAGEMENT IN PEDIATRIC SPLENIC INJURY: A 10YEAR EXPERIENCE. D W Lim1, D G Frobb1, I Bratu1, 1University of Alberta, Edmonton, Alberta, Canada 243 THE ACUTE COMPARTMENT SYNDROME FOLLOWING FRACTURES OF THE LOWER LEG P Ferlic1, G Singer1, T Kraus1, R Eberl1, 1Medical University Graz, Graz, Austria 244 CHILDHOOD INJURIES DUE TO FALL: A SERIOUS THREAT TO KIDS A A Nasir1, S Burrows2, L O Abdur-Rahman1, C KP Ofoegbu1, M O Babalola1, B A Ahmed1, S A Yusuf1, B A Solagberu1, 1Center for Injury Research and Safety Promotion, University of Ilorin Teaching Hospital, Ilorin, Nigeria, 2Centre de recherche du CHUM, Montreal, Canada 245 MAJOR PANCREATIC INJURY IN CHILDREN - SINGLE CENTRE EXPERIENCE WITH 27 CASES L Kavalcova1, J Snajdauf1, M Rygl1, O Petru1, A Kucera1, V Mixa2, R Keil3, M Kyncl4, 1Department of Pediatric Surgery; Charles University, 2nd Faculty of Medicine, Prague, Czech Republic, 2Department of Anaesthesiology and Resuscitation, Charles University, 2nd Faculty of Medicine, Prague, Czech Republic, 3Department of Internal Medicine, Charles University, 2nd Faculty of Medicine, Prague, Czech Republic, 4Department of Imaging Methods, Charles University, 2nd Faculty of Medicine, Prague, Czech Republic 246 MATHEMATICAL MODEL OF MECHANICAL TESTING OF BONE-IMPLANT (4.5 MM LCP) CONSTRUCT USED FOR STABILIZATION OF BONE DEFECTS IN MINIATURE PIGS AFTER MESENCHYMAL STEM CELL TRANSPLANTATION. A Necas2, L Urbanova1, I Blazek-Fialova1, R Srnec1, M Crha2, P Proks1, P Fedorova1, J Pencik3, P Krsek4, 1Small Animal Clinic, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic, 2CEITEC VFU, University of Veterinary and Pharmaceutical Sciences Brno, Brno, Czech Republic, 3Institute of Civil Buildings, Faculty of Civil Engineering, Brno University of Technology, Brno, Czech Republic, 4Department of computer graphics, Faculty of Information Technology, Brno University of Technology, Brno, Czech Republic 247 FIRST KNOWN REPORT OF ENDOVASCULAR REPAIR OF AN EXSANGUINATING PENETRATING CAROTID ARTERY INJURY IN A 3-YEAR-OLD CHILD L Sieren1, M Schwartz1, 1St. Christopher's Hospital for Children, Philadelphia, PA, USA 248 STRAY BULLET INJURIES AMONG CHILDREN….WHO PAYS THE PRICE? D Malik1, N Akhter1, 1Pakistan Institute Of Medical Sciences, Islamabad, Pakistan POSTER WALK 3 General 2 405 APPENDECTOMY FOR COMPLICATED APPENDICITIS IN CHILDREN – LAPAROSCOPIC OR OPEN? N Slijper1, I Sukhotnik1, J Mogilner1, 1Technion-Israel Institute of Technology, the Ruth & Bruce Rappaport Faculty of Medicine, Dept of Pediatric Surgery, Bnai Zion Medical Center, Haifa, Israel 406 LAPAROSCOPIC-ASSISTED VERSUS OPEN DISTAL SHUNT REVISIONS IN CHILDREN WITH HYDROCEPHALUS Tamas Kovacs1, Andras Vizi1, Tamas Milassin1, Laszlo Juhasz1, Gyula Ban1, Szabolcs Tornyos1, 1Division of Paediatric Surgery, Department of Paediatrics, Albert Szent-Gyorgyi Clinical Centre, University of Szeged, Szeged, Hungary 407 THE LIGAMENT THAT LIES IN THE INGUINAL HERNIA SAC OF FEMALE CHILDREN IS NEITHER THE ROUND LIGAMENT NOR THE CRANIAL OVARIAN SUSPENSORY LIGAMENT M Hosgor1, M Yildiz1, G Diniz1, E Ozkara3, M Onder2, A Dursun1, H Yildirim1, IO Can3, 1Dr. Behcet Uz Children's Hospital, Izmir, Turkey, 2Counsel of Forensic Medicine Chairmanship, Izmir, Turkey, 39 Eylul University, Izmir, Turkey 408 COST-EFFECTIVENESS ANALYSIS OF ELECTIVE PAEDIATRIC INGUINAL HERNIA REPAIR IN A LOWRESOURCE SETTING G Eeson1, D Birabwe-Male2, M Pennington3, G Blair1, 1Division of Pediatric General Surgery, University of British Columbia, Vancouver, BC, Canada, 2Division of Pediatric General Surgery, Makerere University, Kampala, Uganda, 3London School of Hygiene and Tropical Medicine, London, UK 409 OUTCOME OF NON-OPERATIVE TREATMENT OF APPENDICEAL ABSCESS IN CHILDREN J Svensson1, R Johansson1, S Kaiser1, T Wester1, 1Karolinska Institutet, Stockholm, Sweden 410 ENTERIC NERVOUS SYSTEM IMPAIREMENT IN EXPERIMENTAL GASTROSCHISIS F Auber1, M-E Monnery-Noche1, E Danzer2, S Sarnacki3, G Trugnan4, S Boudjemaa5, A Coulomb5, G Audry1, 1Service de Chirurgie Pediatrique Viscerale et Neonatale, AP-HP/Hopitaux Universitaire Est Parisien - Hopital Trousseau, Universite Pierre et Marie Curie, Paris, France, 2The Center for Fetal Research, Children’s Hospital of Philadelphia, Philadelphia, USA, 3Service de Chirurgie Pediatrique, APHP - Hopital Necker – Enfants Malades, Universite Paris Descartes, Paris, France, 4Laboratoire ER7 , Faculte de Medecine Pierre et Marie Curie, site Saint-Antoine, Universite Pierre et Marie Curie, Paris, France, 5Service d’Anatomie et Cytologie Pathologiques – AP-HP/Hopitaux Universitaire Est Parisien Hopital Trousseau,Universite Pierre et Marie Curie, Paris, Cocos (Keeling) Islands 411 LAPAROSCOPIC INGUINAL HERNIORRHAPHY IN BABIES WEIGHING 3 KG OR LESS. IS IT EASIER THAN INGUINAL SURGERY ? C Esposito1, F Alicchio1, S Turial1, I Giurin1, J Enders1, A Farina1, K Krause1, A Settimi1, F Schier1, 1University of Naples, Naples, Italy, 2, University Medical Centre, Mainz, Germany 412 INTESTINAL ANASTOMOSES IN INFANTS AND CHILDREN; A SINGLE SURGEON 19 YEAR EXPERIENCE AR Ross1, NJ Hall1, SA Ahmed1, EM Kiely1, 1Great Ormond Street Hospital, London, UK 413 A NON-INFLAMED APPENDIX MAY STILL HAVE CAUSED SYMPTOMS P Hammond1, R Partridge2, R Sayer1, A Casey1, S Eckhardt1, A Sabharwal1, S O'Toole1, 1Royal Hospital for Sick Childeren, Glasgow, UK, 2University of Edinburgh, Edinburgh, UK 414 ONE, TWO OR THREE PORT APPENDECTOMY- A RATIONALE APPROACH A. Golebiewski1, M. Losin1, M. Murawski1, A. Wiejek1, D. Lubacka1, P. Czauderna1, 1Medical University of Gdansk, Gdansk, Poland 415 MULTICENTER ANALYSIS OF OUTCOMES IN MANAGEMENT OF PEDIATRIC SPLENIC CYSTS. E Fischerauer1, P De Lagausie2, J De Agustin3, A Saxena1, 1Department for Pediatric and Adolescence Surgery, Medical University of Graz, Graz, Austria, 2Service de Pédiatrie Chirurgique, CHU Hôpital de la Timone Enfants, Marseilles, France, 3Department for Pediatric Surgery, Medical University of Sevilla, Sevilla, Spain MEET THE EXPERT LUNCH 5 Proximal hypospadia Ricardo Gonzalez Pierre Mouriquand MEET THE EXPERT LUNCH 6 Tissue engineering Paolo di Coppi Doris Taylor POSTER SESSION PRESENTATION 133 AGE AND TIME AS RISK FACTOR FOR INCARCERATION OF INGUINAL HERNIA AMONG INFANTS AND YOUNG CHILDREN AWAITING ELECTIVE SURGERY J Mekicar1, D Gvardijančič1, J Maučec1, 1University Clinical Centre Ljubljana, Ljubljana, Slovenia 134 PROPRANOLOL AS A PRIMARY TREATMENT OPTION FOR COMPLEX INFANTILE HAEMANGIOMAS. IS THERE STILL A PLACE FOR SURGERY? D Wyrzykowski1, M Losin1, M Chojnicki1, P Czauderna1, 1Medical University of Gdansk, Gdansk, Poland 135 FIRST EUROPEAN SURVEY ON THE MANAGEMENT OF GASTROSCHISIS: IS THERE UNITY IN EUROPE? A Zani1, E Ruttenstock2, M Davenport1, N Ade-Ajayi1, 1King's College Hospital, London, UK, 2Medical University of Graz, Graz, Austria 136 GIANT OMPHALOCELES: SHOULD THEY BE CLOSED BEFORE DAY 28 OR NOT? MB Aulagne-Boimond1, H Abdoul1, C Montambault1, R Sfeir2, A El Ghoneimi1, A Bonnard1, 1Robert Debré Hospital and University Paris VII, APHP, Paris, France, 2Jeanne De Flandre Hospital, Lille, France 137 WHICH PSYCHOSOCIAL BACKGROUND IN SURGICAL PATIENTS WITH PECTUS EXCAVATUM? I Buti1, V Settimelli2, C Morelli1, A Mariani1, F Tocchioni1, R Lo Piccolo1, A Martin1, M Ghionzoli1, L Bussolin2, A Messineo1, 1Paediatric Surgery Department, Meyer Children Hospital, Florence, Italy, 2 Trauma Center Unit, Meyer Children Hospital, Florence, Italy 138 THE ROLE OF OXIDATIVE AND NITROSATIVE STRESS IN ACUTE AND CHRONIC PYELONEPHRITIS IN RATS B Caliskan1, A Guven1, B Uysal2, Y G Kurt4, B Altan1, A Ozcan3, O Bedir5, I Surer1, A Korkmaz2, 1Gulhane Military Medical Faculty Department of Pediatric Surgery, Ankara, Turkey, 2Gulhane Military Medical Faculty Department of Physiology, Ankara, Turkey, 3Gulhane Military Medical Faculty Department of Pathology, Ankara, Turkey, 4Gulhane Military Medical Faculty Department of Biochemistry, Ankara, Turkey, 5Gulhane Military Medical Faculty Department of Microbiology and Clinical Microbiology, Ankara, Turkey 139 A TWO-STAGE TECHNIQUE FOR PROXIMAL HYPOSPADIAS WITH SEVERE CHORDEE : CREATION OF URETHRAL PLATE BY USING VASCULARIZED PREPUTIAL ISLAND FLAP Y Söylet1, H Emir1, M Elicevik1, R Özcan1, S Emre1, C Büyükünal1, 1Division of Pediatric Urology, department of Pediatric Surgery, Cerrahpasa Medical Faculty,Istanbul University, Istanbul, Turkey 140 POSTERIOR URETHRAL VALVES: CREATININE VELOCITY, A NEW EARLY PREDICTOR OF RENAL FAILURE. R Coleman1, T King1, C Nicoara1, M Bader1, H Chandran1, A Robb1, K Parashar1, 1Birmingham Childrens Hospital, Birmingham, West Midlands, UK 141 ACELLULAR SCAFFOLD FOR BIOENGINEERED BLADDER: EX-VIVO URODYNAMIC STUDIES M Garriboli1, G Totonelli1, G Selvaggio2, G Riccipetitoni2, A Pierro1, S Eaton1, P De Coppi1, 1UCL Institute of Child Health and Great Ormond Street Hospital for Children, London, UK, 2ICP Ospedale V. Buzzi, Milan, Italy 142 LAPAROSCOPIC FUNDOPLICATION AS THE PRIMARY APPROACH FOR TREATMENT OF GASTROESOPHAGEAL REFLUX DISEASE IN HIGH RISK INFANTS WITH CONGENITAL CYANOTIC HEART DISEASE. S Bansal1, AK Younoszai1, M Twite1, DA Partrick1, 1Children’s hospital Colorado, Aurora, USA 143 FAILURE OF ENDOSCOPIC THERAPY ON RECURRENT TRACHEO-OESOPHAGEAL FISTULAE J C. de Agustin1, J A. Matute1, 1University Hospitals Virgen del Rocío, Seville, Spain 144 COMPLICATIONS AND ANORECTAL FUNCTION IN PATIENTS WITH A CLOACAL MALFORMATION H Versteegh1, C Sloots1, R Rassouli2, C Sleeboom3, J de Jong3, R Wijnen1, I de Blaauw1, 1Dept. of Pediatric Surgery, Erasmus MC-Sophia Children’s Hospital, Rotterdam, The Netherlands, 2Dept. of Pediatric Surgery, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands, 3Pediatric Surgical Center Amsterdam, Emma Children's Hospital AMC & VU University Medical Center, Amsterdam, The Netherlands 145 COMPARATIVE REVIEW OF FUNCTIONAL OUTCOMES POST SURGERY FOR HIRSCHSPRUNG’S DISEASE UTILIZING THE PAEDIATRIC INCONTINENCE AND CONSTIPATION SCORING SYSTEM. O.M. Aworanti1, D. McDowell1, I.M Martin1, J. Hung1, F Quinn1, 1Our Lady's Hospital For Children, Crumlin, Dublin, Ireland 146 WHEN FETAL GALLBLADDER PLAYS HIDE AND SEEK: PROGNOSTIC VALUE AND PRENATAL COUNSELING. Laura Valfre1, Antonella Nahom1, Andrea Conforti1, Lucia Aite1, Cristina Brizzi1, Luisa Mobili1, Claudio Giorlandino1, Pietro Bagolan1, 1Bambino Gesu' Children's Hospital, Rome, Italy 147 DONOR HYPERNATREMIA AND OUTCOMES FOLLOWING PEDIATRIC LIVER TRANSPLANTATION N Kaseje1, S Luethold1, G Mentha1, P Majno1, C Toso1, D Belli1, V McLin1, B Wildhaber1, 1University Hospitals of Geneva, Geneva, Switzerland 148 SUPPRESSION OF ALLOGENIC ACUTE REJECTION BY SYSTEMIC ADMINISTRATION OF PROSTAGLANDIN E2 RECEPTOR SUBTYPE 4(EP4) AGONIST IN EXPERIMENTAL RAT HEART-LUNG TRANSPLANTATION. T Okamoto1, S Okamoto1, Y Tabata2, S Uemoto1, 1Kyoto University, Graduate School of Medicine, Department of Surgery(Pediatric Surgery&Transplantation), Kyoto, Japan, 2Kyoto University, Institute of Frontier Medical Science, Field of Tissue Engineering, Kyoto, Japan 149 TREATMENT WITH NITRIC OXIDE DONOR AND HYDROGEL PROTECTS THE INTESTINE IN EXPERIMENTAL GASTROSCHISIS F Gonçalves1, R Silva3, M Bueno2, A Schmidt2, M de Oliveira3, L Sbragia1, 1School of Medicine of Ribeirao Preto - University of Sao Paulo, Ribeirao Preto, SP, Brazil, 2School of Medical Sciences - State University of Campinas, Campinas, SP, Brazil, 3Institute of Chemistry - State University of Campinas, Campinas, SP, Brazil 150 LONGTERM-SEQUELAE AFTER NEONATAL REPAIR OF CONGENITAL DIAPHRAGMATIC HERNIA – A SINGLE-CENTRE EXPERIENCE K. Zahn1, J. Felcht1, T. Schaible1, L. Wessel1, 1UMM Mannheim, Mannheim, Germany 151 GENE EXPRESSION OF SPROUTYS AND –RELATED PROTEINS IS DOWNREGULATED DURING LUNG DEVELOPMENT IN NITROFEN-INDUCED PULMONARY HYPOPLASIA F Friedmacher1, JH Gosemann1, N Fujiwara1, B Kutasy1, P Puri1, 1National Children's Research Centre, Our Lady's Children's Hospital, Dublin, Ireland, 2UCD School of Medicine and Medical Science, University College Dublin, Dublin, Ireland 152 IS PROLONGED PREOPERATIVE STABILIZATION NECESSARY IN THE TREATMENT OF CONGENITAL DIAPHRAGMATIC HERNIA? A RETROSPECTIVE STUDY BASED ON A NATIONWIDE SURVEY IN JAPAN. H Okuyama1, N Usui2, Y Fujino2, T Taguchi3, Y Kanamori4, S Takahashi4, M Hayakawa5, N Inamura6, 1Hyogo College of Medicine, Nishinomiya, Japan, 2Osaka University Hospital, Suita, Japan, 3 Kyusyu University Hospital, Fukuoka, Japan, 4National Center for Child Health and Development, Tokyo, Japan, 5Nagoya University Hospital, Nagoya, Japan, 6Osaka Medical Center and Research Institute for Maternal and Child Health, Izumi, Japan SCIENTIFIC SESSION X - THORACIC (Oral Communications) 12016.00-16.10 CHANGES IN TREATMENT OF NEWBORN WITH HIGH RISK CONGENITAL DIAPHRAGMATIC HERNIA: RESULTS FROM A MULTICENTER INTERNATIONAL REGISTRY R Tambucci1, F Morini1, KP Lally2, PA Lally2, L Valfré1, I Capolupo1, P Bagolan1, 1Bambino Gesu Children's Research Hospital, Rome, Italy, 2University of Texas, Houston, Texas, USA 12116.10-16.20 WHERE ARE THEY NOW? - A 1 YEAR NATIONWIDE OUTCOME STUDY IN NEWBORNS WITH CONGENITAL DIAPHRAGMATIC HERNIA P D Losty1, P RV Johnson2, J Rankin3, S Marven4, L Draper5, D Howe6, H Gao7, M Knight7, J Kurinczuk7, 1Alder Hey Children's NHS Foundation Trust and University of Liverpool, Liverpool, UK, 2University of Oxford, Oxford, UK, 3University of Newcastle, Newcastle, UK, 4 Sheffield Children's Hospital, Sheffield, UK, 5University of Leicester, Leicester, UK, 6 Southampton General Hospital and University of Southampton, Southampton, UK, 7NPEU University of Oxford, Oxford, UK 12216.20-16.30 OUTCOME OF RIGHT-SIDED DIAPHRAGMATIC HERNIA REPAIR: A MULTICENTRE STUDY JW Duess1, EM Ruttenstock1, M Garriboli2, R Doodnath3, P Puri3, A Pierro2, ME Höllwarth1, 1Department of Paediatric and Adolescent Surgery, Medical University of Graz, Graz, Austria, 2UCL Institute of Child Health, Great Ormond Street Hospital for Children, London, UK, 3National Children's Research Centre, Our Lady's Children's Hospital, Dublin, Ireland 12316.30-16.35 TRACHEAL DIMENSIONS IN CDH PATIENTS POST FETO: A LONGITUDINAL STUDY A. Zani1, M. Sellars1, P. Allen1, A. Tyraskis1, S. Patel1, M. Davenport1, N. Ade-Ajayi1, 1King's College Hospital, London, UK 12416.35-16.40 THORACOSCOPIC REPAIR OF NEONATAL CONGENITAL DIAPHRAGMATIC HERNIA (CDH): IMPROVED OUTCOMES AFTER A SYSTEMATIC QUALITY IMPROVEMENT PROCESS T Jancelewicz1, J Langer1, P Chiang1, A Bonnard1, M Zamakhshary1, P Chiu1, 1The Hospital for Sick Children, Toronto, ON, Canada 12516.40-16.50 CEREBRAL AND RENAL OXYGENATION DURING THORACOSCOPIC OR OPEN REPAIR OF CONGENITAL DIAPHRAGMATIC HERNIA AND OESOPHAGEAL ATRESIA. RESULTS OF A RANDOMISED CONTROLLED TRIAL M Bishay1, L Giacomello1, M Thyoka1, G Retrosi1, M Garriboli1, S Nah1, S Loukogeorgakis1, S Basson2, M McHoney1, J Brierley2, L Harding2, S Scuplak2, KM Cross2, JI Curry2, DP Drake2, EM Kiely2, P De Coppi1, S Eaton3, A Pierro1, 1UCL Institute of Child Health and Great Ormond Street Hospital for Children, London, UK, 2Great Ormond Street Hospital for Children, London, UK, 3UCL Institute of Child Health, London, UK 12616.50-16.55 TEMPORAL HISTOLOGICAL CHANGES OF THE TRACHEA AFTER TRACHEAL OCCLUSION IN RAT FETUSES R Gallindo1, F Gonçalves1, C Barreto2, A Schmidt2, L Sbragia1, 1School of Medicine of Ribeirao Preto - University of Sao Paulo, Ribeirao Preto, SP, Brazil, 2School of Medical Sciences - State University of Campinas, Campinas, SP, Brazil 12716.55-17.05 EXPRESSION AND ACTIVITY OF MONOCYTE-CHEMOATTRACTANT-PROTEIN-1 IN EXPERIMENTAL CONGENITAL DIAPHRAGMATIC HERNIA JH Gosemann1, N Corcionivoschi1, F Friedmacher1, N Fujiwara1, B Kutasy1, P Puri1, 1National Children's Research Centre, Our Lady's Children's Hospital, Dublin, Ireland, 2UCD School of Medicine and Medical Science, University College Dublin, Dublin, Ireland 12817.05-17.10 Prenatal Treatment With Retinoic Acid Increases Total Pulmonary Retinol Levels In The Nitrofen Induced Hypoplastic Lung B Kutasy1, D Quaglia2, F Paradisi2, T Doi1, N Fujiwara1, F Friedmacher1, J Gosemann1, P Puri1, 1National Children's Research Center, Dublin, Ireland, 2Centre for Synthesis & Chemical Biology, School of Chemistry & Chemical Biology, University College Dublin, Dublin, Ireland 12917.10-17.15 THE APELINERGIC’S SYSTEM: A NEW MECHANISM OF CONTROL OF PERINATAL PULMONARY CIRCULATION. EXPERIMENTAL STUDY ON THE FOETUS OF EWE. PG Legal1, E Aubry3, C Lafon1, V Bot-Robin1, V Houfflin-Debarge4, L Storme2, R Besson3, 11. EA 4489, Faculté de Médecine, Université Lille 2, lille, France, 22. Pôle Femme, mère, nouveau né, Clinique de Médecine Néonatale, Hôpital Jeanne de Flandre, CHRU Lille, Lille, France, 33. Chirurgie et orthopédie de l’enfant – Pôle Enfant, Hôpital Jeanne de Flandre, CHRU Lille,, Lille, France, 44. Pôle Femme, mère, nouveau né, service de gynécologie obstétrique, Hôpital Jeanne de Flandre, CHRU de Lille, Lille, France 13017.15-17.20 INTENTION NOT TO TREAT: OUTCOMES OF 74 CONSERVATIVELY MANAGED ANTENATALLY-DIAGNOSED CONGENITAL LUNG MALFORMATIONS C Ng1, J Stanwell1, D M Burge1, M Stanton1, 1University Hospital Southampton, Southampton, UK 13117.20-17.25 SINGLE- AND DOUBLE-LUNG VENTILATION IN INFANTS AND CHILDREN UNDERGOING THORACOSCOPIC LUNG RESECTION C Dingemann1, C Zoeller1, Z Bataineh1, W Osthaus2, R Suempelmann2, B Ure1, 1Centre of Paediatric Surgery, Hannover Medical School, Hannover, Germany, 2Department of Paediatric Anaesthesiology, Hannover Medical School, Hannover, Germany