What is the role of vertical-banded gastroplasty (VBG) in the treatment of adolescent obesity?

Updated: Dec 01, 2020
  • Author: Steven M Schwarz, MD, FAAP, FACN, AGAF; Chief Editor: Jatinder Bhatia, MBBS, FAAP  more...
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The most common procedures involve gastric restriction. In the vertical-banded gastroplasty (VBG), a pouch of 15-30–mL capacity is constructed, greatly reducing the amount of food that can be eaten at any time. In the gastric bypass, a larger pouch that empties into the jejunum is created. As a result, nutrients bypass the duodenum and most of the stomach, which often creates a dumping syndrome. Overall effectiveness is good with significant weight loss, reduction in obesity complications, and increased life expectancy; however, mortality rate of the procedure is 1% in adults, and complications include encephalopathy, nephrolithiasis, cholelithiasis, protein-losing enteropathy, and other nutritional deficiencies.

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