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Updated: Mar 22, 2026
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Roux-en-Y Gastric Bypass Operation in Rats
Published on: June 11, 2012
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CORRELATION BETWEEN PRE AND POSTOPERATIVE UPPER DIGESTIVE ENDOSCOPY IN PATIENTS WHO UNDERWENT ROUX-EN-Y GASTROJEJUNAL
Leticia Elizabeth Augustin Czeczko1, Manoela Aguiar Cruz1, Flávia Caroline Klostermann1
1Evangelic Faculty of Paraná, Curitiba, PR, Brazil.
Summary
Roux-en-Y gastrojejunal bypass significantly reduced hiatal hernias and esophagitis. However, gastrojejunostomy stenosis remains a common complication after bariatric surgery.
Area of Science:
- Gastroenterology and Bariatric Surgery
- Surgical Outcomes and Complications
Background:
- Bariatric surgery offers benefits but carries risks, including gastroesophageal reflux, which can damage the esophagus.
- The impact of bariatric procedures on esophageal health is a subject of ongoing research and debate.
Purpose of the Study:
- To assess patients undergoing Roux-en-Y gastrojejunal bypass.
- To correlate pre- and postoperative endoscopic findings with epidemiological data.
Main Methods:
- Retrospective analysis of 110 patients who had bariatric surgery.
- Inclusion criteria: formal indication for surgery and pre/postoperative endoscopy.
- Epidemiological data: sex, age, BMI, diabetes status, dyslipidemia.
Main Results:
- Preoperative findings: 26.4% normal endoscopy, hiatus hernia most common.
- Postoperative findings: 40.9% normal endoscopy, stenosis most common.
- Significant reduction in hiatal hernias (100%) and esophagitis (88%) post-surgery.
Conclusions:
- Roux-en-Y gastrojejunal bypass led to significant decreases in hiatal hernias and various forms of esophagitis and gastritis.
- Gastrojejunostomy stenosis was the most frequent postoperative complication.
- No correlation found between anastomotic stenosis and preoperative patient variables.
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