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Postgastrectomy complications

Stanley W Ashley, MD
Section Editor
David I Soybel, MD
Deputy Editor
Wenliang Chen, MD, PhD


Various forms of gastric resection and reconstruction are used to manage a variety of benign and malignant conditions of the stomach. Similar to any other abdominal surgery, gastric surgery can result in postoperative complications. Although complications are considerably less common today, historical data would suggest that approximately one in four patients reports significant symptoms after gastric surgery; in 2 to 5 percent, these symptoms are disabling [1].

The complications specific to gastric surgery will be reviewed in this topic. Complications common to all abdominal surgeries, such as bleeding, infection, bowel obstruction, fascia dehiscence, or hernia, are discussed in another topic (see "Complications of abdominal surgical incisions"). Complications of bariatric surgical procedures (eg, Roux-en-Y gastric bypass or sleeve gastrectomy) are discussed elsewhere. (See "Late complications of bariatric surgical operations" and "Bariatric operations: Perioperative morbidity and mortality".)


The derangements in gastrointestinal function that occur following gastric resection depend upon the portion and volume of gastric tissue removed, and the type of reconstruction.

Gastric resection — Gastric resections include (see "Partial gastrectomy and gastrointestinal reconstruction" and "Total gastrectomy and gastrointestinal reconstruction"):

Partial gastrectomy (proximal or distal)

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