Related Experiment Video
Updated: Apr 15, 2026
11:58
A Protocol for Roux-en-Y Gastric Bypass in Rats using Linear Staplers
Published on: August 21, 2021
6.1K
Stricture Rate after Laparoscopic Roux-en-Y Gastric Bypass with a 21-mm Circular Stapler versus a 25-mm Linear
Leopoldo M Baccaro1, Kalyan Vunnamadala1, Aniket Sakharpe1
1Department of General Surgery, Easton Hospital, Drexel University College of Medicine, Easton, Pennsylvania.
Bariatric Surgical Practice and Patient Care
|April 2, 2015
Summary
Using a 25-mm linear stapler significantly reduced gastrojejunal strictures after laparoscopic Roux-en-Y gastric bypass (LRYGB). This weight loss surgery complication decreased from 7.12% to 1.09% with the new technique.
Area of Science:
- Bariatric surgery
- Gastroenterology
- Surgical complications
Background:
- Obesity affects over 1.5 billion adults globally.
- Laparoscopic Roux-en-Y gastric bypass (LRYGB) is a common bariatric procedure.
- Gastrojejunal anastomotic strictures are a significant complication of LRYGB, causing vomiting and dysphagia.
Purpose of the Study:
- To compare the stricture rates between two stapler techniques in LRYGB.
- To evaluate the impact of stapler size and type on anastomotic strictures.
Main Methods:
- Retrospective review of LRYGB patient records from 2003-2010.
- Comparison of stricture rates between 21-mm circular stapler and 25-mm linear stapler techniques.
Main Results:
- The 21-mm circular stapler group had a stricture rate of 7.12%.
- The 25-mm linear stapler group showed a significantly lower stricture rate of 1.09% (p<0.0004).
- The odds ratio for stricture was 6.5 (95% CI 1.96-33.83) favoring the linear stapler.
Conclusions:
- Gastrojejunal strictures are a serious complication following LRYGB.
- Changing to a 25-mm linear stapler technique significantly reduces the incidence of strictures.
- Surgical technique modification can improve patient outcomes after LRYGB.
