Endoscopy 2006 – Update and Live Demonstration Berlin, 04. – 05. Mai 2006 CHRONIC PANCREATITIS – CONSERVATIVE TREATMENT, ENDOSCOPY OR SURGERY? J. F. Riemann A. Rosenbaum Medizinische Klinik C, Klinikum Ludwigshafen gGmbH (Gastroenterologie, Hepatologie und Diabetologie) CHRONIC PANCREATITIS COURSE OF DISEASE Prospective study over 20 years N= 254; chronic pancreatitis (163 alcoholic CP, with calcifications in 145) Follow-up 10,4 ys. (median) ¾ In 85% of pts. with calcifications continued improvement after 4,5 ys. (median) ¾ In 47% of 163 pts. with alcoholic CP surgery necessary ¾ 50-60% of pts. with CP develop complications which require endoscopic or surgical intervention Med C Ammann, Gastroenterology 1984 Ammann, Intern Med 2001 CHRONIC PANCREATITIS PAIN ¾ Local inflammation of pancreatic tissue with expression of neuropeptides (e .g. substance P) ¾ Elevation of pressure in pancreatic duct by stricture ¾ Pancreatic compartment syndrome ¾ Local compression by pseudocysts ¾ Extrapancreatic reasons: – Metereorism (steatorrhea) – Peptic ulcer Med C Di Sebastiano et al., Gut 2003 CHRONIC PANCREATITIS COMPLICATIONS + Symptoms Pancreatic duct strictures = Pancreatic stones Endoscopic Choledochal duct strictures therapy Pseudocysts Inflammatory swelling of pancreatic head Duodenal or colonic stenoses Elevated pressure of portal vein GI- bleeding Exo- und endocrineous insufficiency Cancer Med C CHRONIC PANCREATITIS THERAPY - GOALS 1. Analgesia 2. Therapy of exocrine insufficiency 3. Therapy of endocrine insufficiency Med C Lankisch, Internist 2005 CHRONIC PANCREATITIS MANAGEMENT COMPLICATIONS Interventional endoscopy Surgery PAIN Alcohol abstinence Enzymes / Diet Enzymes Spasmolytics Diet Analgetics Insulin (NSAID etc.) Surgery Med C MALDIGESTION DIABETES CHRONIC PANCREATITIS PAIN MANAGEMENT • Conservative • Interventional endoscopy • Surgery Med C CHRONIC PANCREATITIS PAIN – CONSERVATIVE TREATMENT • First: exclusion of treatable complications • • • • Strict abstinence from alcohol Analgetics (NSAID, non opioid) Celiac block (CT- or EUS- guided) Drug addiction must be avoided Med C CHRONIC PANCREATITIS ENDOSCOPIC THERAPY - GUIDELINES ¾ Concerning the endoscopic therapy of chronic pancreatitis only few randomized controlled prospective trials are available in international literature ¾ No long-term results exist regarding the outcome of endotherapy ¾ Recommendations concerning therapy of strictures of the pancreatic or choledochal duct and pseudocysts are based on expert opinions and uncontrolled trials DGVS-Leitlinien, Z Gastroenterol 1998 Med C CHRONIC PANCREATITIS Ludwigshafen - Registry • • • • • Retrospective and prospective (since 1998) registry n=291 patients with chronic pancreatitis Endoscopic therapy: n= 262 patients Follow-up: Median 84 months (6-168 Months) Hospital stays per patient (re-therapy): Median 4,2 (1-15) Endoscopic intervention N Stenting of pancreatic duct 89 EST 191 Bile duct stenosis 60 Pseudocysts 38 Med C ENDOSCOPIC THERAPY CP SPHINCTEROTOMY ¾ Endosocpic sphincterotomy to pancreatic duct in patients with chronic pancreatitis own data (n=191)* Success 187 (96,1 %) Complications Follow-up Re-EST necessary Med C Ell (n=118)** 116 (98 %) 9 (4,7 %) 5 (4,2 %) 16-160 months 42 months 23 (12 %) 18 (15 %) *Ludwigshafener Pankreatitisregister 2006 **Gastrointest Endosc 1998 ENDOSCOPIC THERAPY CP PANCREATIC DUCT STRICTURE ¾ N = 89; men/women: 51/38; median age: 55,3 ys. ¾2,6 stents/patient; duration of stenting 254 days ¾Follow-up: 78 (9-164) months clearly moderately improved (%) improved (%) 12 months 55 16 24 months 45 18 40 months 42 18 70 months 40 20 Med C No further stenting: 33 (38%) Surgery: 21 (24%) Own data, Ludwigshafener Pankreatitisregister 2006 ENDOSCOPIC THERAPY CP PANCREATIC DUCT STONES / ESWL ¾ Metaanalysis ¾ N = 588, 17 trials (1989-2002) ¾ Interventional endoscopic therapy plus ESWL ¾ Follow-up: mean 20 mon. (6-72) Results (Effect size*): Stonefree 0,74 Improvement of pain 0,62 (*large effect: Effect size 0,5) Med C Guda et al., J Pancreas (Online) 2005 N = 80, F/U 40 Mon. ENDOSCOPIC THERAPY CP PANCREATIC DUCT STRICTURE/ LITERATURE Results of endoscopic interventional therapy Med C Author n Follow-up (Months) Clinically improved (%) Cremer 1991 75 37 94 Binmoeller 1995 93 39 74 Smits 1995 49 34 82 Jakobs 1999 27 44 56 Rösch 2002 1018 59 86 Delhaye 2004 56 173 66 Gabrielli 2005 22 72 55 Farnbacher 2006 96 35 59 ENDOSCOPIC THERAPY CP REFRACTORY PANCREATIC STRICTURE • • • • • Prospective trial n=19; Refractory stricture of pancreatic head Multiple stenting of pancreatic duct (median 3 stents) Mean Follow-up: 38 months Med C Costamagna et al., Endoscopy 2006 ENDOSCOPIC THERAPY CP ENDOTHERAPY VS. SURGERY (mean follow-up: 4,9 Jahre) Intensity of pain Endotherapy OP (n=758) (n=238) 87% 79% middle 10% 15% strong 3% 3% none light Med C Rösch T et al., Endoscopy 2002 PANCREATIC DUCT STRICTURE SURGERY VS. ENDOTHERAPY N = 140 Prospective controlled (partly randomized) trial Obstruction of pancreatic duct an pain All (N=140) Analgesia Weight gain Med C Randomized (N=72) EI* (%) CI** (%) EI (%) CI (%) 14,3 36,9 15 33,8 26,9 52,1 28,6 47,2 *endoscopic intervention (without ESWL) **surgical intervention Dite et al., Endoscopy 2003 ENDOSCOPIC THERAPY CP BILE DUCT STRICTURE / PLASTIC STENTS ¾ Long-term results of bile duct stenting in CP Stent in situ / improved n=11 ¾ n=60, Follow-up: 86 months (mean) (44 (4-120) Mon.) No success n=31 (52%) Surgery / improved n=13 (11,5 (1-45) Mon.) Success n=29 (48%) Stent in situ / death* n=7 *(not from cholangitis) 0 100 % NB: Since 2001 programmed implantation of mulitple stents (Medían 3,2 Stents/Pat.) Success-rates rising!! Med C Eickhoff, 2006 ENDOSCOPIC THERAPY CP BILE DUCT STENTS / RISK OF OCCLUSION Retrospective trial (1996 – 1999) N = 61 Pat. with CP Risk factors for unsuccessful stenting of common bile duct RR (95% CI) p Exocrine pancreatic insuff. 3,97 (1,2-13,2) 0,024 Endocrine pancreatic insuff. 1,12 (0,36- 3,5) 0,841 Calcifications of pancreatic head 17,3 (4,1-74) <0,001 Swelling of pancreatic head 1,01 (0,29- 3,45) 0,992 Ongoing alcohol abuse 0,58 (0,31-1,09) 0,0882 Duration of illness 1,01 (0,91- 1,23) 0,83 Med C Kahl et al., Am J Gastroenterol 2003 ENDOSCOPIC THERAPY CP BILE DUCT STRICTURE / MULTIPLE STENTING Autor n Draganov 2002 Catalano 2004 Pozsar 2004 9 12 29 Med C Follow-up Removal of (Mon.) stricture (%) 48 44 46 100 12,1 60 ENDOSCOPIC THERAPY CP BILE DUCT STRICTURE / METAL STENTS Author n Techn. success Long-term Complicasuccess tions Follow up (months) Deviere 1994 20 100% 90% (18) 10% 33 Van Westerloo 2000 15 100% 80% (12) 13% 14 Kahl 2003 3 100% 100% (3) 0% 18-57 Van Berkel 2004 13 100% 69% (9) 8% 50 Eickhoff 2006 8 100% 37,5% (3) 62% 12-64 Med C Wallstent ENDOSCOPIC THERAPY CP PSEUDOCYSTS / LITERATURE n transpapillary/ transgastral/ transduodenal Successrate Complications Relapse Cremer 1989 33 0 / 11 / 22 96 % 6% 12 % Sahel 1991 43 0 / 3 / 40 93 % 11 % 5% Barthet 1995 30 30 / 0 / 0 77 % 13 % 10 % Binmoeller 1995 53 29 / ? / ? 77 % 11 % 22 % Cahen 2005 92 25 / 33 / 21 71 % 34% 5% 6 / 13 / 6 88 % 7% 12 % Own data 2006 38 Med C ENDOSCOPIC THERAPY CP PSEUDOCYSTS - PROSPECTIVE TRIAL Prospective trial N = 99 patients with pancreatic pseudocysts Comparison of short-term and long-term results: Conventional vs. EUS-guided drainage Follow-up: 6 months Method N Short-term success Long-term success Complications Conventional 53 94% 91% 18% EUS-guided 46 93% 84% 19% n.s. n.s. n.s. Kahaleh et al., Endoscopy 2006 Med C CHRONIC PANCREATITIS SURGERY ¾ Severe chronic pancreatitis of head With duodenal stricture With extensive calcifications ¾ Multiple strictures of pancreatic duct / multiple stones ¾ Failure of conservative and interventional endoscopic therapy (regarding pain, large pseudocysts, inner Pankreas-Ca fistulas, bleeding pseudoaneurysm) ¾ Suspected cancer DGVS-Leitlinien, Z Gastroenterol 1998 Med C Lankisch, Internist 2005 CONCLUSION ¾ More than half of all patients with CP require interventional endoscopic therapy or surgery because of complications ¾ Conservative treatment is fundamental but must not lead to drug addiction ¾ Endoscopic therapy reduces pain caused by strictures and pseudocysts ¾ Surgery is indicated if conventional and endoscopic therapy fails Med C TEAM APPROACH Adequate management ? „TEAM “ of gastroenterologist and surgeon INDIVIDUAL THERAPY: First step: 9 Endoscopic therapy Second step: 9 Surgery Med C Traverso, Bern, 2000