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Intestinal Complications of Roux-en-Y Gastric Bypass 

Intestinal Complications of Roux-en-Y Gastric Bypass
Intestinal Complications of Roux-en-Y Gastric Bypass

Kevin D. Helling

, and Scott A. Shikora

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date: 08 December 2021

Roux-en-Y gastric bypass is a commonly performed bariatric operation, but it is a formidable procedure performed in technically challenging, medically high-risk patients. Although it is highly successful for achieving meaningful and durable weight loss, a variety of intestinal complications may occur. These include small bowel obstructions from a number of sources (internal hernias, adhesions, intussusception, incisional hernias, intestinal volvulus), anastomotic strictures, dumping syndrome, portal vein thrombosis, Roux-en-O construction, and small bowel diverticulitis. This chapter reviews several of the more commonly occurring postoperative intestinal complications. Clinicians need to understand the signs and symptoms of these complications and must be able to quickly diagnose the condition and initiate treatment.

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