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Comparative Study
. 2019 Sep;29(9):3039-3046.
doi: 10.1007/s11695-019-04034-9.

One Anastomosis Gastric Bypass in Morbidly Obese Patients with BMI ≥ 50 kg/m2: a Systematic Review Comparing It with Roux-En-Y Gastric Bypass and Sleeve Gastrectomy

Chetan D Parmar  1 , Catherine Bryant  2 , Enrique Luque-de-Leon  3 , Cesare Peraglie  4 , Arun Prasad  5 , Karl Rheinwalt  6 , Mario Musella  7
Affiliations
Comparative Study

One Anastomosis Gastric Bypass in Morbidly Obese Patients with BMI ≥ 50 kg/m2: a Systematic Review Comparing It with Roux-En-Y Gastric Bypass and Sleeve Gastrectomy

Chetan D Parmar et al. Obes Surg. 2019 Sep.

Abstract

Background: To explore the role of one anastomosis (Mini) gastric bypass (OAGB) for the super-obese patients.

Method: Literature review was performed in March 2019 as per PRISMA guidelines.

Results: A total of 318 patients were identified. Mean age was 31.8 years. Mean body mass index (BMI) was 57.4 kg/m2. The mean operative time was 93.1 min with median length of stay of 4.5 days. The biliopancreatic limb (BPL) varied from 190 to 350 cm(median 280 cm). Early mortality was 0.31% with seven complications (including 1 revisional surgery). Leak rate was 0%. Mean %excess weight loss (EWL) at 12, 18-24 and 60 months was 67.7%, 71.6% and 90.75%, respectively.

Conclusions: OAGB is a safe and effective option for management of super and super-super obese patients with tailoring of the BPL. Larger comparison, follow-up and randomised trials are necessary to validate these findings.

Keywords: BMI > 50 kg/m2; Bariatric surgery; Gastric bypass; Mini gastric bypass; One anastomosis gastric bypass; Super obese.

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