Background: The claim that the "mini"-gastric bypass (MGB) procedure with its loop gastrojejunostomy is safer and equally effective to the Roux-en-Y gastric bypass (RYGB) procedure has been promoted before validation. Rumors of unreported complications and the accuracy of follow-up are additional concerns. This study was undertaken to identify MGB patients who require or required revisional surgery at 5 hospitals within the region of the United States where the MGB procedure originated to assess the claim that revision to RYGB is rarely needed.
Methods: The databases of 5 medical centers were retrospectively searched to identify patients undergoing surgical revision after a MGB procedure, all of which had been done elsewhere.
Results: A total of 32 patients were identified who presented with complications after undergoing an MGB procedure and required or require revisional surgery. The complications included gastrojejunostomy leak in 3, bile reflux in 20, intractable marginal ulcer in 5, malabsorption/malnutrition in 8, and weight gain in 2. Of the 32 patients, 21 required conversion to RYGB and an additional 5 have planned revisions in the future. Also, 2 patients were treated with Braun enteroenterostomies and 4 required 1 or more abdominal explorations.
Conclusions: The results of this preliminary review have confirmed that MGB does require revision in some patients and that conversion to RYGB is a common form of revision. A national registry to record the complications and number of revisions is proposed to gain insight into the need for revision after MGB and other nontraditional bariatric procedures.
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