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Late complications of bariatric surgical operations

James C Ellsmere, MD, MSc, FRCSC
Section Editor
Daniel Jones, MD
Deputy Editor
Wenliang Chen, MD, PhD


The number of bariatric surgical operations performed in the United States has been relatively stable for the last five years. It is estimated that 179,000 weight-loss surgeries were performed in 2013 [1]. Of those, 42 percent were sleeve gastrectomy, 34 percent were gastric bypass, 14 percent were gastric band, and 1 percent were biliopancreatic diversion with duodenal switch. The remaining 6 percent were revisional procedures.

Complications following surgical treatment of severe obesity vary based upon the procedure performed and can be as high as 40 percent [2,3]. Due to the high surgical volume, improving the safety of these operations has become a high priority, leading to the development of strict criteria for center accreditation, guidelines for safe and effective bariatric surgery, and careful monitoring of surgical outcomes [4-8].

This topic will review the major late complications of bariatric surgery. A description of bariatric procedures, indications and preoperative management, short-time medical outcomes, and long-term complications of laparoscopic operations are reviewed as separate topics.

(See "Bariatric procedures for the management of severe obesity: Descriptions".)

(See "Bariatric operations for management of obesity: Indications and preoperative preparation".)

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Literature review current through: Nov 2017. | This topic last updated: Jun 14, 2017.
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