Overall outcomes of laparoscopic-assisted ERCP after Roux-en-Y gastric bypass and sphincter of Oddi dysfunction subgroup analysis
submitted 08 August 2018
accepted after revision 04 December 2018
01 October 2019 (online)
Background and study aims Biliary access following Roux-en-Y gastric bypass (RYGB) anatomy presents a significant challenge. Long-term outcomes of laparoscopic-assisted trans-gastric ERCP (LA-ERCP) including sphincter of Oddi dysfunction (SOD) subtypes have not been thoroughly examined. Our study aims to present our overall outcomes of trans-gastric LAERCP and examine a significant subgroup of patients with SOD after RYGB.
Patients and methods A retrospective review of RYGB patients who underwent LA-ERCP between 2009 and 2016 identified 51 patients. A subgroup of 22 patients with SOD were examined and contacted by phone survey to determine long-term symptom resolution.
Results Post-procedure length of stay was 1.9 days (SD 3.0). There was one conversion from laparoscopic to open procedure. Selective cannulation rate was 100 %. Mean follow-up was 14.6 months. There were two major operative complications, two major ERCP-related complications, and five wound infections (9.8 %). No deaths or episodes of pancreatitis occurred. Seventeen patients had biliary SOD (Type I = 9, Type II = 8). The remaining four had pancreatic SOD (Type I = 1, Type II = 4). SOD subgroup follow-up was 21.4 months (SD 18.1). All patients with Type I biliary and 75 % with Type I pancreatic SOD reported complete resolution of their symptoms.
Conclusions Consistent with other published series, LA-ERCP yields excellent cannulation rates after RYGB. Successful treatment of pancreatic and Type 1 biliary SOD suggests that there is significant symptomatic benefit to treating this patient population. However, an overall complication rate of approximately 15 % with LAERCP leaves open the possibility for improvements in access techniques in post-RYGB patients.
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