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Updated: Jan 30, 2026

Intraoperative Ultrasound in Spinal Surgery
Published on: August 17, 2022
Does intraoperative endoscopy decrease complications after bariatric surgery? Analysis of American College of
Mohamad A Minhem1, Bassem Y Safadi1, Hani Tamim2
1Department of Surgery, American University of Beirut Medical Center, Riad El Solh, PO Box 11-0236, 1107 2020, Beirut, Lebanon.
Intraoperative endoscopy (IOE) use in bariatric surgery, particularly laparoscopic sleeve gastrectomy (LSG), significantly reduces complications like sepsis and reoperations. While beneficial for laparoscopic Roux-en-Y gastric bypass (LRYGB) patients by shortening hospital stays, further research is needed for long-term benefits.
Area of Science:
- Bariatric Surgery
- Surgical Endoscopy
- Patient Outcomes
Background:
- Serious complications such as sepsis, bleeding, and stenosis can occur after bariatric surgery.
- These complications can be fatal if not managed promptly.
- Intraoperative endoscopy (IOE) is a potential tool to mitigate these risks.
Purpose of the Study:
- To compare major postoperative complications in patients who underwent bariatric surgery with and without IOE.
- To evaluate the impact of IOE on specific adverse events following LSG and LRYGB.
Main Methods:
- Utilized data from the American College of Surgeons National Surgical Quality Improvement Program (2011-2016).
- Included patients who underwent laparoscopic sleeve gastrectomy (LSG) and laparoscopic Roux-en-Y gastric bypass (LRYGB).
- Compared outcomes between IOE and non-IOE groups using bivariate and multivariate analyses, focusing on 30-day outcomes.
Main Results:
- IOE was used in 17.9% of LSG and 19.7% of LRYGB cases.
- Endoscopy-assisted LSG showed decreased rates of sepsis, unplanned reoperations, prolonged hospital stay, and composite complications.
- LRYGB patients with IOE experienced a reduced prolonged hospital stay, with other outcomes being similar between groups.
Conclusions:
- Intraoperative endoscopy is underutilized in bariatric procedures.
- IOE is associated with reduced postoperative complications, especially sepsis and reoperations, after LSG.
- Further multicenter prospective studies are warranted to investigate the intermediate and long-term benefits of IOE in bariatric surgery.
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