Stricture Rate after Laparoscopic Roux-en-Y Gastric Bypass with a 21-mm Circular Stapler: The Cleveland Clinic Experience

Alasfar, Fahad; Sabnis, Adheesh A.; Liu, Rockson C.; Chand, Bipan
August 2009
Medical Principles & Practice;Aug2009, Vol. 18 Issue 5, p364
Academic Journal
Objective: The objectives of this study were to report the incidence of gastrojejunal anastomic strictures that occurred in laparoscopic Roux-en-Y gastric bypass (LRYGB) surgery and to determine the time course of presentation, associated perioperative factors, and response to balloon dilation. Subjects and Methods: All 126 patients who underwent LRYGB at the Cleveland Clinic Foundation between July 2003 and February 2005 were included. We utilized a transoral 21-mm circular stapler for the gastrojejunostomy. Patients with symptoms of anastomotic strictures underwent upper endoscopy by one surgeon (B.C.). A stricture was defined by the inability to pass a 10-mm gastroscope through the anastomosis. Balloon dilation was performed to 12 mm. Records were analyzed retrospectively and statistical analysis including Pearson χ2 statistics, Fisher’s exact test and Student’s t test were used when appropriate. Results: Symptomatic anastomotic strictures occurred in 29 (23%) patients. All patients presented with nausea, vomiting and dysphagia. The median time to diagnosis was 52 days (25–309 days). Symptoms resolved after one dilation in 25 (86%) of patients. Two and three dilations were required in 1 (3.5%) and 3 (10.5%) of patients, respectively. No patients had complications or required more than 3 dilations. Age, preoperative body mass index (BMI), and intraoperative blood loss did not correlate with stricture formation. Although nonsteroidal anti-inflammatory drugs were used by 46 (41%) of patients after surgery, there was no correlation with stricture formation. Conclusion: Symptomatic anastomotic strictures developed in nearly a quarter of patients who underwent LRYGB utilizing a transoral 21-mm circular stapled gastrojejunal anastomosis. A single endoscopic balloon dilation was usually adequate. Strictures were not predicted by perioperative factors. Copyright © 2009 S. Karger AG, Basel


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