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Obesity Surgery
Published in: Obesity Surgery 5/2019

01-05-2019 | Sleeve Gastrectomy | Original Contributions

Weight Regain After Bariatric Surgery—A Multicentre Study of 9617 Patients from Indian Bariatric Surgery Outcome Reporting Group

Authors: Sarfaraz J. Baig, Pallawi Priya, Kamal K. Mahawar, Sumeet Shah, for the Indian Bariatric Surgery Outcome Reporting (IBSOR) Group

Published in: Obesity Surgery | Issue 5/2019

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Abstract

Background

There is little robust data on weight regain (WR) after bariatric surgery making it difficult to counsel patients regarding long-term outcomes of different bariatric procedures. The purpose of this study was to see WR in medium and long term after SG, RYGB, and OAGB in Indian population.

Methods

In a multicentre study, data on preoperative and postoperative weights over 5 years were collected. Multiple definitions were applied to find the proportion of patients with significant WR increase of 25% of lost weight from nadir (definition 1), weight gain of > 10 kg from nadir (definition 2), and BMI gain of > 5 kg/m2 from nadir (definition 3). The proportion of those with significant WR was compared across sub-groups.

Results

A total of 9617 patients were included. Median WR at 5 years was 14.1% of lost weight, 1.92 kg/m2, and 5 kg. Significant WR using definition 1 was 35.1%, 14.6%, and 3% after sleeve gastrectomy (SG), Roux-en-Y gastric bypass (RYGB), and mini-one anastomosis gastric bypass (OAGB) respectively. Severe albumin deficiency was highest in OAGB (5.9%) patients followed by SG (2.9%) and RYGB (2.2%) at 5 years(p = 0.023). Haemoglobin levels < 10 g/dL were seen in 8.2%, 9.0%, and 13.9% of SG, RYGB, and OAGB patients respectively (p = 0.041).

Conclusions

In the first comparative study of WR, OAGB had lesser WR in comparison to SG and RYGB but had the most impact on Hb and albumin levels in the long term. Definition selection for reporting WR has a significant impact on the results. There is a need for standardising the reporting of WR in bariatric literature.
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Metadata
Title
Weight Regain After Bariatric Surgery—A Multicentre Study of 9617 Patients from Indian Bariatric Surgery Outcome Reporting Group
Authors
Sarfaraz J. Baig
Pallawi Priya
Kamal K. Mahawar
Sumeet Shah
for the Indian Bariatric Surgery Outcome Reporting (IBSOR) Group
Publication date
01-05-2019
Publisher
Springer US
Published in
Obesity Surgery / Issue 5/2019
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI
https://doi.org/10.1007/s11695-019-03734-6

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