CURRICULUM VITAE PAUL ENKER, B. Sc., M.D., F.R.C.S. (C), F.A.A.O.S. OFFICE ADDRESS: Long Island Arthritis & Joint Replacement, PC Queens Long Island Medical Group, P.C. 1991 Marcus Avenue 2nd floor Lake Success, New York, 11042 Tel. 516.829-0876 EDUCATION: 9/1968-6/1972 1970-1971 1971 Bachelor of Science McGill University Montreal, Quebec, Canada University Scholar J.W. McConnell Scholarship in Science Great Distinction in the General Course MEDICAL SCHOOL: 7/1972-6/1976 May 1976 M.D. Degree University of Ottawa / Faculty of Medicine Ottawa, Ontario, Canada License of the Medical Council of Canada ROTATING INTERNSHIP: 7/1976 - 6/1977 Royal Victoria Hospital/McGill University Montreal, Quebec, Canada 1st YEAR RESIDENCY - GENERAL SURGERY 7/1977-6/1978 McGill University / Sir Mortimer B. Davis-Jewish General Hospital Montreal, Quebec, Canada ORTHOPEDIC SURGERY RESIDENCY PROGRAM: 7/1978-6/1981 McGill University Montreal, Quebec, Canada FELLOWSHIP(S): 7/1981-6/1982 Orthopedic Surgery ;Adult reconstruction & trauma Sunnybrook Medical Center/University of Toronto, Toronto, Ontario, Canada 1 7/1982-6/1983 Hand Surgery Thomas Jefferson University Hospital Philadelphia, Pennsylvania CERTIFICATION(S): 5/1976 License of The Medical Council of Canada 11/17/1981 Royal College of Physicians and Surgeons of Canada 11/23/1981 Certificate of Specialization of the Province of Quebec 7/19/1985 Diplomate, American Board of Orthopedic Surgery 1/1/1989 Fellow, American Academy of Orthopedic Surgery DIPLOMAS: 1981 (U.S.A.) Diplomate of the National Board of Examiners 1982 Provider: Advanced Trauma Life Support American College of Surgeons 1984 Instructor: Advanced Trauma Life Support American College of Surgeons MEDICAL LICENSES: 4/27/94 11/15/1989 New York - License # 195459 Ohio - License # 35-05-9181-E 2 SOCIETIES: American Academy of Orthopedic Surgery American Board of Spine Surgery American Medical Association Nassau County Medical Society North American Spine Society Royal College of Physicians and Surgeons of Canada ACADEMIC APPOINTMENTS: 1990-1993 Lecturer, Department of Surgery, Faculty of Medicine McGill University, Montreal, Quebec, Canada 2000- 2002 Clinical assistant professor Department of orthopedic surgery Mount Sinai School of Medicine New York, New York COMMITTEES: 1991-1994 Bone Bank Committee Lutheran Medical Center Cleveland, Ohio 1987-1989 Scientific Committee Quebec Orthopedic Association 1984-1990 Surgical Committee Sir Mortimer B. Davis-Jewish General Hospital Montreal, Quebec PROFESSIONAL HISTORY: 9/2008- present Queens Long Island Medical Group PC Chief Department of Orthopedic Surgery Director Total Joint Replacement Program 2035 Lakeville Road, New Hyde Park, New York, 11040 7/2005-8/2008 Long Island Arthritis and Joint Replacement 2035 Lakeville Road, New Hyde Park, New York, 11040 11/1998-7/2005 New York Orthopedic and Spine Services PLLC 833 Northern Boulevard Great Neck, New York 11021 10/1994-10/1998 North Shore Musculoskeletal Institute 825 Northern Blvd., Great Neck, N.Y. 11021 1996-1998 Chief, Division of Orthopedic Surgery North Shore University Hospital - Glen Cove 3 9/1990-8/1994 Associate - Cleveland Spine and Arthritis Center 2709 Franklin Boulevard, Cleveland, Ohio 44113 8/1983-7/1990 Associate - Department of Orthopedic Surgery The Sir Mortimer B. Davis - Jewish General Hospital 3755 Cote St. Catherine Road Montreal, Quebec, Canada, H3T 1 E2 Consultant - Montreal Convalescent Hospital 6363 Hudson Road Montreal, Quebec, Canada CURRENT APPOINTMENTS: 1995 - Present Attending, Department of Orthopedic Surgery Co-Director Total Joint Replacement Program North Shore University Hospital - Glen Cove Glen Cove, N.Y. 11432 PRESENTATIONS: February 1984 The effect of vincular injury on the results of flexor tendon surgery in No-Mans-Land. Peter C. Amadio, M.D., Paul Enker, M.D. American Society for Surgery of the Hand 39th Annual Meeting Atlanta, Georgia April 1986 Patellofemoral Disorders Following Total Knee Arthroplasty L Arthroplastie totale de genou en 1986. Huitiemes Journees d Orthopedie Centre Hospitalier Regional de Forte de France, Martinique January 1988 Steffee Spinal Plating: A Preliminary Report Paul Enker, M.D., Alexander Hadjipavlou, M.D. Scientific Meeting Quebec Orthopedic Association Sir Mortimer B. Davis - Jewish General Hospital Montreal, Quebec, Canada April 1989 Steffee Plating: A Preliminary Report Paul Enker, M.D., Alexander Hadjipavlou, M.D. 19th Annual Meeting of the Quebec Scoliosis Society Mont Gabriel, Quebec, Canada October 1989 Posterior Lumbar Interbody Fusion and Spinal Plating Paul Enker, M.D., Alexander Hadjipavlou, M.D. 82nd Reunion of the Interurban Orthopedic Society Quebec City, Quebec 4 June 1990 Unicompartmental Knee Arthroplasty and Excisional Patelloplasty P. Enker, A. Antoniou, A. Hadjipavlou 45th Meeting-Canadian Orthopedic Association Vancouver, British Columbia January 1991 Socialized Medicine: The Canadian Experience: A Personal Perspective Cleveland Orthopedic Society Quarterly Meeting Cleveland, Ohio March 1991 Socialized Medicine: The Canadian Experience: A Personal Perspective Lutheran Medical Center Continuing Medical Education Program Cleveland, Ohio March 11,2001 Prospective Randomized Study Comparing Bipolar Hip Arthroplasty and Hemiarthroplasty in Elderly Patients with Subcapital Fractures L.Rosen, B. Miller, P.Enker, P. Dupuis, A, Hadjipavlou American Academy of Orthopedic Surgeons 1991 Annual Meeting- Scientific Program New Orleans. Louisiana March 1991 Multilevel Spinal Instability: The Cascading Spine The Third Annual International Spine Seminar & Workshop Cleveland Spine & Arthritis Center/Lutheran Medical Center Cleveland, Ohio March 1991 Socialized Medicine: The Canadian Experience: A Personal Perspective Hard Choices: The Future of Health Care Presented by The Academy of Medicine of Cleveland Cleveland, Ohio May 1991 Treatment of Multilevel Anterior and Retrolisthesis of the Lumbosacral Spine Grand Orthopedic Rounds, Mount Sinai Medical Center Cleveland, Ohio May 1991 Socialized Medicine: The Canadian Experience: A Personal Perspective Lakewood Hospital Continuing Medical Education Program Lakewood, Ohio August 1991 Treatment of Multilevel Anterior and Retrolisthesis of the Lumbosacral Spine P. Enker, A. Steffee, L. Keppler, R. Biscup, J. Brantigan 6th Annual Meeting North American Spine Society Keystone, Colorado September 1991 Vertebral Body Replacement P. Enker, Cochran, L. Keppler, R. Biscup, J.W. Brantigan, A.D. Steffee 6th International Symposium on Limb Salvage Montreal, Quebec, Canada 5 November 1991 Treatment of Multilevel Anterior and Retrolisthesis of the Lumbosacral Spine P. Enker, A. Steffee, L. Keppler, R. Biscup, J.W. Brantigan Fifth International Conference on Lumbar Fusion and Stabilization, Osaka, Japan January 31, 1992 Artificial Disc Replacement: Preliminary Report with a Two Year Minimum Follow-up P. Enker, A. Steffee, L. Keppler, R. Biscup, J.W. Brantigan, S. Miller Lutheran Medical Center, Continuing Medical Education Spine Rounds. Cleveland, Ohio March 14, 1992 Surgical Treatment of Multilevel Instability of the Lumbar Spine (The Cascading Spine) P. Enker Symposium on Low Back Pain: The Present and the Future The University of Arizona College of Medicine Section of Orthopedic Surgery-Spine Tucson, Arizona July 1, 1992 In Vitro Biomechanical Evaluation of Lumbosacral Fixation Devices L. Ozyavuz, L.H. Yahia, P. Enker European Joint Conference on Engineering Systems Design and Analysis Istanbul, Turkey July 9, 1992 Seventh Annual Meeting North American Spine Society Boston, Massachusetts Artificial Disc Replacement: Preliminary Report with a Two Year Minimum Follow-up P. Enker, L. Keppler, R. Biscup, S. Miller, A. Steffee, C. McMillin Posterior Transvertebral Osteotomy in Adult Thoracolumbar Kyphosis S. Lehmer, L. Keppler, R. Biscup, P. Enker, J.W. Brantigan, S. Miller, A. Steffee Fibrin Adhesive as an Adjunct to Dual Repair: A Clinical Analysis of Efficacy J. Cochran, D. Sitkowski, L. Keppler, R. Biscup, J.W. Brantigan, P. Enker, S. Miller, A. Steffee Treatment of Spondyloptosis by Staged Resection and Fusion Gains Procedure S. Lehmer, L. Keppler, R.Biscup, J.W. Brantigan, P. Enker, S. Miller, A. Steffee, R.W. Gaines 6 October 16, 1992 1) Failure of Spinal Fusions 2) Treatment of anterior and retrolisthesis of the lumbosacral spine 3) Artificial disc replacement Common meeting, section for the study of spinal disorders Hellenic Association of Orthopedic Surgery and Traumatology Cyprus Orthopedic Association, Limassol, Cyprus May 7, 1993 Artificial disc replacement: Preliminary Report with a Minimum 2-Year Follow-up. Ohio Orthopedic Society Annual Meeting Dayton, Ohio July 14, 1993 VSP Experience Summer Symposium: Comparative Segmental Spinal Instrumentation Bermuda September 25, 1993 1) Results on VSP 2) Carbon Fiber Implants for Interbody Fusion 3) Total Disc Replacement 3rd International Symposium New Developments in Spine Surgery Munich, Germany October 2, 1993 Carbon Fiber Implants for Interbody Fusions Hellenic Association of Orthopedic Surgery and Traumatology Section for the Study of Spinal Disorders Thessaloniki, Greece November 5, 1993 Degenerative Instability: Posterior Lumbar Interbody Fusion. Symposium: Spinal Instability, Birth to Old Age. Chicago, Illinois December 3, 1993 Results and Complications of the Steffee-Plate-System Hannover Spine Symposium Hannover, Germany February 5, 1999 Lumbar Spine & Sciatic Syndromes: The Non-Responsive Patient New York State Chiropractic Association - 6th Annual Winter Meeting S. Surasky, D.C. & Paul Enker, M.D. Foxwoods Resort, Ledyard, Connecticut January 13, 2001 Primary and Revision Arthroplasty of the Knee Using the Finn Rotating Hinge Prosthesis Eugene Krauss MD, Paul Enker MD 11th Annual Winter Total Joint and Sports Medicine Symposium, Steamboat Springs, Colorado. 7 LECTURES: May 1984 L Arthrose, Le diagnostic et le traitement, Colloque, Diagnostic et traitement de l arthrose. Clinique Medicale Daoly Montreal, Quebec, Canada December 1985 Workshop on Extremity Trauma Management & Emergency Care 1st Scientific Convention Association of Emergency Physicians of Quebec Montreal, Quebec, Canada May 1986 The Rheumatoid Hand: Assessment and Treatment Royal Victoria Hospital, Orthopedic Accident Grand Rounds Montreal, Quebec, Canada Carpal Instability: Assessment and Management McGill University Annual Review Course in Adult Orthopedics Montreal, Quebec, Canada March 1988 Examination of the Upper Extremity Physical Examination of Musculoskeletal System Montreal General Hospital Montreal, Quebec, Canada April 1988 Workshop on Examination and Management of Knee and Foot Problems Rheumatology in Family Practice Sir Mortimer B. Davis - Jewish General Hospital Montreal, Quebec, Canada February 1992 1) Instability Syndromes 2) Multi-level Instability of the Spine 3) Failures of Lumbar Spinal Surgery 4) Formula for a Successful Surgical Outcome Fourth Annual International Spine Workshop Cleveland Spine and Arthritis Center Cleveland, Ohio March 1992 1) Failures of Lumbar Arthrodesis 2) Treatment of Multilevel Instability of the Lumbosacral Spine 3) Artificial Disc Replacement Satellite Conference Spine Surgery Paris, France June 13, 1992 Wrist and Hand Injuries First Annual Seminar and Workshop for Primary Care Physicians The Sports and Industrial Athlete: Part I: Upper Body Injuries Lutheran Medical Center Cleveland, Ohio 8 August 11-12, 1992 Back Pain: Assessment and Treatment Weekly CME rounds Lake Hospital East, Painesville, Ohio Lake Hospital West, Willoughby, Ohio October 9, 1992 New Advances in Spine Surgery Second Annual Symposium for Physical and Occupational Therapists Rehabilitation after Lumbar Spine Surgery Cleveland Spine and Arthritis Center Cleveland, Ohio November 6, 1992 Artificial Disc Replacement-Update Spine Rounds Cleveland Spine & Arthritis Center/Lutheran Medical Center Cleveland, Ohio Feb.1993 ; 1) Instability and Deformity Disorders 2) Functional Reconstructive Surgery-What the Future Holds 3) Selection Criteria and Indications for Lumbar Reconstructive Surgery 4) What Constitutes a Successful Surgical Outcome? The Fifth International Course on Segmental Spinal Surgery Cleveland Spine and Arthritis Center Lutheran Medical Center Cleveland, Ohio August 1993 Interbody Fusion and Instrumentation Postgraduate Lecture The National Hospital for Neurology and Neurosurgery London, England September 1993 Interbody Fusion and Instrumentation Postgraduate Lecture Royal Liverpool University Hospital, Liverpool, Wales March 2, 1994 1) Segmental and Vertical Instability 2) Indications for Lumbar Segmental Reconstructive Surgery 3) Artificial Disc Replacement The Sixth International Spine Course on Advanced Spinal Reconstructive Surgery of the Lumbar and Thoracolumbar Spine. Cleveland Spine and Arthritis Center/Lutheran Medical Center Cleveland. Ohio April 6, 1994 1) Artificial Disc Replacement 2) Degenerative Spondylolisthesis Grand Orthopedic Rounds Guest Lecturer Montefiore Medical Center Bronx, New York April 8, 1994 Degenerative Spondylolisthesis Spine Rounds at The Hospital for Joint Diseases New York, New York 9 Sept. 18, 1998 Hip and Knee Replacement in the Elderly: Why & When? Ninth Annual Long Term Care Symposium Quality of Life and the Elderly St. Albans VA Primary and Extended Care Center St. Albans, New York May 11, 1999 Hip and Knee Replacement in the Elderly: Why and When “Salute to Seniors" Conference North Shore-LIJ Health System Crest Hollow Country Club Long Island, New York May 15-16, 1999 Lumbar Spine and Sciatic Syndrome The Non-Responsive Patient Scott Surasky, D. C. Paul Enker, M. D. New York Chiropractic College Department of Post Graduate Education LaGuardia Marriott Hotel East Elmhurst, New York October 2, 1999 Lumbar Spine Disorders Operative Management of Spinal Surgery patients North Shore University Hospital - Glen Cove Department of Orthopedic Surgery October 19, 1999 Hip and Knee Arthritis Comprehensive Medical and Surgical Treatment Educational Seminar: Pathway Women’s Health Manhasset, New York December 2, 1999 Hip and Knee Arthritis Comprehensive Medical and Surgical Treatment Complete Care Physical Therapy Sport Set Club Syosset, New York October 17, 2000 Hip and Knee Arthritis: Comprehensive Medical and Surgical Treatment Educational Seminar: Pathway Women’s Health Manhasset, New York October 25. 2000 Hip and Knee Arthritis Comprehensive Medical and Surgical Treatment Grumman Retiree Club of the Northrop Grumman Corporation Bethpage, New York Manhasset, New York February 8, 2001 New Developments in Traditional & Alternative Treatment of Neck & Back Pain Pathways Women’s Health Division of Manhasset Diagnostic Imaging Manhasset, New York 10 February 17, 2001 Joint Replacement for Hip & Knee Arthritis: Why & When North Shore University Hospital- Glen Cove Co- Sponsored by the Arthritis Foundation Glen Cove, New York March 20,2001 Back Pain: Understanding Familiar Options Paul Enker MD, Scott Surasky DC 92 St. Y May Center for Health, Fitness and Sport New York, New York October 3, 2001 Arthritis of the Hip & Knee: Comprehensive Medical and Surgical Treatment Great Neck Library, Great Neck , New York 11021 November 8, 2001 Joint Replacement for Hip & Knee Arthritis: Why & When Pathways Women’s Health Division of Manhasset Diagnostic Imaging Manhasset, New York November 14,2002. Joint Replacement for Hip & Knee Arthritis: An Update Grand Medical Rounds North Shore University Hospital- Glen Cove Glen Cove, New York November 21, 2002 Hip and Knee Arthritis: Comprehensive Medical and Surgical Treatment Educational Seminar: Pathway Women’s Health Division of Manhasset Diagnostic Imaging Manhasset, New York September 9, 2003 Current Concepts: Hip & Knee Arthritis North Shore-Long Island Jewish Health System System Rehabilitation Services Rehabilitation Lecture Series North Shore University Hospital- Plainview, Plainview, New York September 23,2003 Hip and Knee Arthritis: Comprehensive Medical and Surgical Treatment Educational Seminar: Pathway Women’s Health Division of Manhasset Diagnostic Imaging Manhasset, New York November 9, 2003 Algorithmic Apporoach to Spinal Stenosis Scott Surasky DC , Paul Enker MD Conference on Integration of Chiropractic & Allpopathic Medicine Beth Israel Medical Center, New York, New York 11 November 15, 2003 Arthritis and Total Joint Repair Perioperative Nursing Expo 2003: Perils in the Perioperative Setting Chateau Briand, Carle Place, New York August 18, 2004 Joint Replacement for Hip and Knee Arthritis; Why and When Health and Fitness Workshop Panetta Physical Therapy Roslyn, New York September 21, 2004 Minimal Incision Surgery for Arthritis of the Hip and Knee Educational Seminar: Pathway Women’s Health Division of Manhasset Diagnostic Imaging Manhasset, New York September 27,2005 Minimal Incision Surgery for Joint Replacement of the Arthritic Hip & Knee Educational Seminar: Pathway Women’s Health Division of Manhasset Diagnostic Imaging Manhasset, New York May 23,2005 Minimal Incision Surgery for Joint Replacement of the Arthritic Hip & Knee Educational Seminar: Pathway Women’s Health Division of Manhasset Diagnostic Imaging Manhasset, New York November 14,2006 Minimal Incision Surgery for Joint Replacement of the Arthritic Hip & Knee Educational Seminar: Pathway Women’s Health Division of Manhasset Diagnostic Imaging Manhasset, New York March 19,2007 Arthritis of the hip & knee; comprehensive medical & surgical treatment Rockwood Park Jewish Center Howard Beach, New York August 27, 2007 Arthritis of the hip & knee; comprehensive medical & surgical treatment Educational Seminar: Pathway Women’s Health Division of Manhasset Diagnostic Imaging Manhasset, New York November 27, 2007 Minimal Incision Surgery Joint Replacement/Hip & Knee Educational Seminar: Pathway Women’s Health Division of Manhasset Diagnostic Imaging Manhasset, New York March 19, 2008 Contemporary Concepts in Total Knee Replacement 24th presentation of the North Shore-LIJ Rehabilitation Network Lecture Series Syosset, New York 12 November 18, 2008 Arthritis of the Knee: Contemporary Partial and Total Knee Replacement Pathways Women’s Health Seminar Series Manhasset, New York September 21, 2009 Total Hip Replacement: New Anterior Techniques with Minimal Incisions Pathways Women’s Health Seminar Series Manhasset, New York November 7, 2009 Anterior Total Hip Replacement Perioperative Expo 2009 Institute for Nursing North Shore LIJ Health System North Hills Country Club, Manhasset, New York POSTER EXHIBITS: August 1990 Lumbar Discography and Facet Block in Low Back Pain: Clinical Correlation P. Lander, A. Hadjipavlou, Ani, P. Enker North American Spine Society Fifth Annual Meeting Monterey, California September 1990 Unicompartmental Knee Arthroplasty and Patelloplasty P. Enker, A. Antoniou, A. Hadjipavlou Annual S.I.C.O.T. Convention Montreal, Quebec, Canada September 1990 Lumbosacral Fusion with Variable Screw Placement P. Enker, A. Hadjipavlou, P. Dupuis Annual S.I.C.O.T. Convention Montreal, Quebec, Canada September 1990 Patellofemoral Mechanism Disorders Following Total Knee Arthroplasty P. Enker, A. Hadjipavlou Annual S.I.C.O.T. Convention Montreal, Quebec, Canada May 1991 Treatment of Multilevel Anterior and Retrolisthesis of the Lumbosacral Spine Course on Advanced Pedicle Fixation P. Enker, M.D. Scoliosis Research Society and North American Spine Soc. Phoenix, Arizona September 1991 Allograft Reconstruction of Post Traumatic Bone Defects of the Upper and Lower Extremities 13 P. Enker, A.D. Steffee, L. Keppler, R.S. Biscup, J.W. Brantigan 6th International Symposium on Limb Salvage Montreal, Quebec, Canada PUBLICATIONS: 1. Paget’s Disease of Bone: Orthopedic Management. A.G. Hadjipavlou, P. Lander, and P. Enker. Current Concepts of Bone Fragility, Springer-Verlag, Berline Heidelberg, 1986. 2. CT of Paget’s Disease of the Spine; M. Zlantkin, P. Lander, J. Levine, A. Hadjipavlou, P. Enker. Radiology, Vol. 157, pp. 237, November, 1985. 3. Posterior Lumbar Interbody Fusion Technique Using the Variable Screw Placement Spinal Fixation System. J.W. Brantigan, A. Steffee, L. Keppler, R. Biscup, P. Enker. In Spine: State of the Art Reviews, Vol. 6, No. 1, January, 1992, page 175. 4. Malignant Transformation in Pagets Disease of Bone. A. Hadjipavlou, P. Lander, H. Srolovitz, P. Enker. Cancer, Vol. 70 (12), p. 2802-8, December, 1992. 5. Treatment of Multilevel Anterior and Retrolisthesis of the Lumbosacral Spine. P. Enker, A.D. Steffee, L. Keppler, R. Biscup, S.D. Miller. In Lumbar Fusion and Stabilization. (Eds.) K. Yonenobu, K. Ono, Y. Takemitsu. Springer-Verlag, Tokyo, pp. 126, 1993. 6. Artificial Disc Replacement: Preliminary Report With a 3-Year Minimum Follow-up. P. Enker, A.D. Steffee, C. McMillin, L. Keppler, R. Biscup, S.D. Miller. Spine: Vol. 18(8), pp. 1061, 1993. 7. Interbody Fusion and Instrumentation. P. Enker, A.D. Steffee Clinical Orthopedics and Related Research. Vol. 300, March 1994. 8. Posterior Transvertebral Osteotomy for Adult Thoracolumbar Kyphosis S.M. Lehmer, L. Keppler, R.S. Biscup, P. Enker, S.D. Miller, A.D. Steffee. Spine, Vol. 19(18) pp. 2060-7, 1994 9. Seven Year Follow-Up of Vertebral Excision and Reconstruction for Malignant Hemangioendothelioma of Bone. D.R. Sybert, A.D. Steffee, L. Keppler, R. Biscup, P. Enker. Spine, Vol. 20(7) pp. 841-4, 1995. 10. Chapter: Variable Screw Placement Spinal Fixation System Paul Enker and A.D. Steffee In Lumbosacral and Spinopelvic Arthrodesis (Eds.) J.Y. Margulies, Y. Floman, J.-P.C. Farcy, M.G. Neuwirth, Lippincott-Raven Publishers 1996 14 11. Chapter: Posterior Lumbar Interbody Fusion P. Enker and A.D. Steffee In Lumbosacral and Spinopelvic Arthrodesis (Eds.) J.Y. Margulies, Y. Floman, J.-P.C. Farcy, M.G. Neuwirth, Lippincott-Raven Publishers 1996 12. Chapter: Total Disc Replacement P. Enker and A.D. Steffee in Second Edition The Textbook of Spinal Surgery (Eds.) K.H. Bridwell, R.L. DeWald, Lippincott-Raven Publishers 1996 13. Chapter: Posterior Lumbar Interbody Fusion and Instrumentation at the Lumbosacral Junction. P. Enker, A..D. Steffee, V. Leone In Adult L5-S1 Surgery (Ed) Joseph Y. Marguiles, M.D., Ph.D. State of the Art Reviews Vol. 1, 1:1; January 1997 Publishers Hanley & Belfus 14. The Causes of Failure of Lumbar Transpedicular Spinal Instrumentation and Fusion - A Prospective Study. A. Hadjipavlou, P. Enker, P. Dupuis, S.. Katzman, J. Silver, International Orthopedics (SICOT) 1996;20:35-42. 15. Unicompartmental Knee Arthroplasty with Patelloplasty. J. Antoniou, A. Hadjipavlou, P. Enker, A. Antoniou. International Orthopedics (SICOT) 1996;20:94-99. 16. Chapters: - Indications for Surgical Intervention in Spinal Disorders - When Not to Operate for Spinal Disorders with Vincent Devlin in Spine Secrets Publishers Hanley & Belfeus 2003 15