Four options for weight loss surgery: (A) adjustable gastric banding; (B) Roux-en-Y gastric bypass; (C) gastric sleeve resection; (D) biliopancreatic diversion.

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Four options for weight loss surgery: (A) adjustable gastric banding; (B) Roux-en-Y gastric bypass; (C) gastric sleeve resection; (D) biliopancreatic diversion with sleeve resection of greater curvature and postpyloric, duodenoileal anastomosis (“duodenal switch”). Source: Anesthesia for Gastrointestinal Surgery, Anesthesiology, 3e Citation: Longnecker DE, Mackey SC, Newman MF, Sandberg WS, Zapol WM. Anesthesiology, 3e; 2017 Available at: https://accessanesthesiology.mhmedical.com/DownloadImage.aspx?image=/data/books/2152/longnecker3_ch51_f005.png&sec=164236396&BookID=2152&ChapterSecID=164236303&imagename= Accessed: October 23, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved