Obesity Surgery

, Volume 29, Issue 4, pp 1242–1247 | Cite as

Outcomes in Super Obese Patients Undergoing One Anastomosis Gastric Bypass or Laparoscopic Sleeve Gastrectomy

  • Vitish Singla
  • Sandeep AggarwalEmail author
  • Bhanu Singh
  • Gattu Tharun
  • Varidh Katiyar
  • Amit Bhambri
Original Contributions



The data on the role of OAGB in super obese patients and its direct comparison with LSG in super obese patients is scarce.


To compare weight loss, impact on comorbidities and nutritional parameters between LSG and OAGB in super obese patients.


Prospectively collected data of 75 matched patients with BMI > 50, who underwent either laparoscopic sleeve gastrectomy (LSG) or one anastomosis gastric bypass (OAGB), was analyzed retrospectively. Percentage excess weight loss at 1 year and impact on comorbidities were compared in both the groups.


Both the groups were comparable for age, sex, BMI, and presence or absence of diabetes mellitus. Mean TWL% ± 2SD at 1 year was 30.09% ± 19.76 in patients undergoing LSG, while it was 39.9% ± 12.78 in patients undergoing OAGB (p < 0.001). In the LSG group, 85.7% and 66.67% of patients had remission of diabetes mellitus and hypertension, respectively, as compared to 77.77% and 78.5%, respectively, in the OAGB group. All the patients with OSA had a resolution of their symptoms in both the groups. Patients in the OAGB group became more folate deficient despite regular supplementation.


Weight loss following OAGB was found to be better than LSG in the super obese patients in our study. There was a similar resolution of comorbidities and a lesser rate of major complications in the OAGB group.


Outcomes Super obese Sleeve gastrectomy One anastomosis gastric bypass 


Compliance with Ethical Standards

Since this is a retrospective study, there was no commission or omission of intervention for the study purpose and all the interventions were done in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

For this type of study, formal consent is not required; however, a written informed consent was taken from each patient for the surgical procedure.

Conflict of Interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Surgical DisciplinesAll India Institute of Medical Sciences (AIIMS)New DelhiIndia

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