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2012 | 7 | 1 | 9-19

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Quality assurance of sphincterotomy: A prospective single-centre survey


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Quality assurance becomes an increasingly important part of clinical medicine and of the field of endoscopy. Endoscopic sphincterotomy is associated with a fairly high complication rate. We aimed to assess our quality of sphincterotomy for benchmarking by using a prospective electronic database registry, and to identify potential risk factors for post-interventional complications. Over 2 years, 471 sphincterotomies were performed in a single tertiary referral centre. Patient- and procedure-related variables were prospectively recorded with the support of a multi-centre international sphincterotomy registry. Multivariate analysis was performed. The overall post-interventional complication rate was 9.3%. Pancreatitis happened in 5.5%, bleeding in 2.1%, perforation in 1.3%, and cholangitis in 0.4%. In the multivariate analysis following variables remained highly significant and predictive for complications: ‘papilla only in lateral view’ (p=0.001), antiplatelet therapy (p=0.024), and opacification with contrast up to the pancreatic tail (p=0.001). The primary success rate of sphincterotomy was 95.1%. The rate of post-interventional pancreatitis did not differ significantly regardless of the presence of prophylactic pancreatic stent (p=0.56). The outcome of sphincterotomy in our centre matches with literature data. The extent of pancreatic duct opacification has an influence on the pancreatitis rate. Prevention of pancreatitis by inserting pancreatic stents is not confirmed.










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1 - 2 - 2012
24 - 11 - 2011


  • Department of Internal Medicine, Division of Gastroenterology and Hepatology, Kantonsspital St. Gallen, Rorschacher Strasse 95, CH-9007, St. Gallen, Switzerland
  • Department of Internal Medicine, Division of Gastroenterology and Hepatology, Kantonsspital St. Gallen, Rorschacher Strasse 95, CH-9007, St. Gallen, Switzerland
  • Department of Internal Medicine, Division of Gastroenterology and Hepatology, Kantonsspital St. Gallen, Rorschacher Strasse 95, CH-9007, St. Gallen, Switzerland
  • Department of Internal Medicine, Division of Gastroenterology and Hepatology, Kantonsspital St. Gallen, Rorschacher Strasse 95, CH-9007, St. Gallen, Switzerland
  • Department of Internal Medicine, Division of Gastroenterology and Hepatology, Kantonsspital St. Gallen, Rorschacher Strasse 95, CH-9007, St. Gallen, Switzerland
  • Hanno Ulmer, Department of Medical Statistics, Informatics and Health Economics, Innsbruck Medical University, A-6020, Innsbruck, Austria
  • Department of Internal Medicine, Division of Gastroenterology and Hepatology, Kantonsspital St. Gallen, Rorschacher Strasse 95, CH-9007, St. Gallen, Switzerland


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