http://archinte.jamanetwork.com/ en-us Wed, 19 Dec 2012 00:00:00 GMT Tue, 01 Jan 2013 00:44:25 GMT Silverchair editor@archinte.jamanetwork.com webmaster@archinte.jamanetwork.com http://archinte.jamanetwork.com/article.aspx?articleID=416014 Mon, 14 Jun 2010 00:00:00 GMT Wade AN, Dolan JM, Cambor CL, et al. <span class="paragraphSection">Gastric bypass procedures are the most effective weight loss surgical treatments. The Roux-en-Y procedure, the most commonly performed bypass technique in the United States, restricts gastric volume and bypasses absorption from most of the proximal small intestine. Bypass of the duodenum impairs mixing of ingested nutrients with bile acids and pancreatic enzymes leading to maldigestion. The combination of malabsorption and maldigestion, while resulting in significant weight loss, predisposes to malnutrition.</span> 170 11 993 995 10.1001/archinternmed.2010.164 http://archinte.jamanetwork.com/article.aspx?articleID=416014