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Invited Critique
ONLINE FIRST
May 2012

Can We Safely State That Laparoscopic Roux-en-Y Gastric Bypass Is a Better Weight Loss Procedure Than Adjustable Band Gastroplasty?Comment on “Roux-en-Y Gastric Bypass vs Gastric Banding for Morbid Obesity”

Author Affiliations

Author Affiliation: The European School of Laparoscopy, Saint Pierre University Hospital, Brussels, Belgium.

Arch Surg. 2012;147(5):466. doi:10.1001/archsurg.2011.1855

According to Romy et al,1 RYGBP is a “better” bariatric procedure than GB. I personally agree with them. However, before we make from this conclusion a paradigm, a few caveats remain.

First, case-control studies can suffer from bias when one treatment is sensed as better than the other ab initio.2 Since prospective randomized studies comparing the 2 procedures are hardly realizable, better evidence could be obtained by prospectively comparing matched patients submitted to either procedure in 2 different centers with recognized expertise in GB or RYGBP.

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