Predictors, Treatment, and Outcomes of Gastrojejunostomy Stricture after Gastric Bypass for Morbid Obesity |
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Authors: | Mark C Takata MD Ruxandra Ciovica MD John P Cello MD FACG Andrew M Posselt MD PhD Stanley J Rogers MD FACS Guilherme M Campos MD FACS |
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Institution: | (1) Department of Surgery, University of California San Francisco, 521 Parnassus Avenue, Room C-341, San Francisco, CA 94143-0790, USA;(2) Department of Medicine, University of California San Francisco, San Francisco, CA, USA |
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Abstract: | Background The aims of this study were to determine the rate of gastrojejunostomy (GJ) stricture following Roux-en-Y gastric bypass (RYGBP),
the independent predictors of stricture, and clinical outcomes with and without a stricture.
Methods Univariate and multivariate analysis of peri-operative and outcomes data were prospectively collected from 379 morbidly obese
patients who underwent consecutive open or laparoscopic RYGBP from January 2003 to August 2006. Predictors studied were age,
gender, BMI, co-morbidities, surgical technique (hand-sewn vs linear stapler vs 21-mm vs 25-mm circular stapler; open vs laparoscopic;
retrocolic retrogastric vs antecolic antegastric Roux limb course, and Roux limb length), and surgeon experience. Outcomes
studied consisted of occurrence of GJ strictures, technical details and outcomes after endoscopic therapy, and excess weight
loss (EWL) at 12 months.
Results 15 patients (4.1%) developed a GJ stricture. The use of a 21-mm circular stapler was identified as the only independent predictor
of a GJ stricture (odds ratio 11.3; 95% CI 2.2-57.4, P = 0.004). Endoscopic dilation relieved stricture symptoms in all patients
(60% one dilation only). There was no significant difference in %EWL at 12 months between the patients with a stricture (median
EWL 54%, IQR 49 – 63) vs those without a stricture (median EWL 61%, IQR 49-73, P = 0.33).
Conclusion The rate of GJ strictures is 4.1%. The use of a 21-mm circular stapler is the only independent predictor of GJ stricture.
Endoscopic dilation relieved symptoms in all patients.Weight loss is independent of the anastomotic technique used and occurrence
of a GJ stricture. |
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Keywords: | Bariatric surgery gastric bypass morbid obesity complications gastrojejunostomy stricture weight loss endoscopic dilation outcomes |
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