Weight loss surgeries compared: Gastric banding vs gastric bypass vs biliopancreatic diversion

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Monday, July 10, 2006 2:15 am Email this article
Laparoscopic adjustable gastric banding weight loss surgery, which restricst the amount of food that a person can eat, causes patients to lose an average of 35 to 54 percent of their excess weight loss after 1 year according to a paper from researchers at Yale University in Bridgeport, Conneticuit, USA.

Biliopancreatic diversions with and without duodenal switch, a procedure which causes malabsorption, causes patients to lose an average of 72 to 77 percent of their excess weight, but is only performed at a few centers in the U.S.

Roux-en-Y gastric bypass, which causes both malabsorption and restricts the amount of food a patient can eat, causes patients to lose an average of 69% of their excess weight after one year and 49 percent after 14 years. Duodenal switch

Duodenal switch has fewer complications

Duodenal switch is a modification to biliopancreatic diversion which has fewer complications than the original procedure according to a paper by Pannala (2006).

Here is what he says about it:

“Biliopancreatic diversion, a second-generation malabsorptive procedure developed by Scopinaro et al [1979], combines a subtotal gastrectomy, a gastroileostomy, and an ileoileostomy. Further refinements of this procedure have included a duodenal switch modification [1993], which has reportedly fewer complications. Presently, these procedures are popular in Canada and Italy while gaining increasing popularity in the USA.” (Pannala et al, 2006)

Weight loss surgery only for the very obese

Weight loss surgery is recommended for people with a body mass index (BMI) of 40 or more 35 or more if a patient has weight-related problems such as hypertension or diabetes.

REFERENCE

Pannala R, Kidd M, Modlin I. Surgery for obesity: Panacea or pandora’s box? Dig Surg. 2006 Apr 20, 23(1-2):1-11.

AUTHOR’S CONTACT INFORMATION

R. Pannala
Department of Internal Medicine
Bridgeport Hospital/Yale University
Bridgeport, Conn
USA

Irvin M. Modlin, MD, PhD, FRCS
Yale University School of Medicine
POB 208062
New Haven, CT 06520
USA
+1 203 785 5429 phone
+1 203 737 4067 fax
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