How Far Can Our Expectations Go on Revisional Bariatric Surgery After Failed Adjustable Gastric Banding?

Jan 13, 2021Obesity surgery

What Results Can We Expect from Follow-Up Weight Loss Surgery After Failed Adjustable Gastric Banding?

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Abstract

Mortality and morbidity rates were comparable between primary and revisional bariatric procedures.

Weight loss outcomes were inferior in patients undergoing revisional Roux-en-Y gastric bypass compared to those undergoing primary Roux-en-Y gastric bypass.
No significant differences in weight loss outcomes were observed among other groups (primary sleeve gastrectomy and revisional sleeve gastrectomy).
Only patients undergoing revisional sleeve gastrectomy showed lower odds of improvement in comorbidities.
Patients undergoing revisional Roux-en-Y gastric bypass had an odd 7 times higher chance of comorbidity improvement than those undergoing revisional sleeve gastrectomy, regardless of weight loss outcomes.

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PURPOSE: Bariatric surgery has proven its effectiveness in the treatment of obesity and related comorbidities. However, several procedures may be required to treat this chronic disease and/or complications after bariatric surgery. The most frequent revisional surgeries performed after failed laparoscopic adjustable gastric banding (AGB) have been Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG). The aim of this study is to compare medium-term outcomes of primary and revisional bariatric procedures.

MATERIAL AND METHODS: Single institution, matched case-control study of obese patients submitted to bariatric surgery, divided into four groups of 50 patients: (A) primary RYGB; (B) primary SG; (C) revisional Roux-en-Y gastric bypass (rRYGB) after failed laparoscopic AGB; (D) revisional sleeve gastrectomy (rSG) after failed laparoscopic AGB. Demographic variables, surgical procedures characteristics and complications, weight loss outcomes and resolution of comorbidities were compared.

RESULTS: Mortality and morbidity were comparable between primary and revisional procedures. Weight loss outcomes were inferior in patients submitted to rRYGB when compared to those submitted to RYGB, with no significant differences found when comparing the other groups. Regarding comorbidities' outcomes, only patients submitted to rSG had lower odds of comorbidities' improvement. Patients submitted to rRYGB had an odd 7 times higher of comorbidities' improvement than those submitted to rSG, independent of weight loss outcomes.

CONCLUSION: Revisional surgeries are safe procedures with adequate weight loss outcomes in this difficult set of patients. The choice of revisional procedure may not influence weight loss outcomes, but rRYGB seems to be a better option regarding comorbidities' resolution.

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How Far Can Our Expectations Go on Revisional Bariatric Surgery After Failed Adjustable Gastric Banding?

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