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Is weight regaining significant post laparoscopic Roux-en-Y gastric bypass surgery? – A 5-year follow-up study on Indian patients

1 Department of General, Laparoscopic and Bariatric Surgery, Moulana Hospital, Perinthalmanna, Kerala, India
2 Yenepoya Research Centre, Yenepoya University, Mangalore, Karnataka, India

Correspondence Address:
Mohamed Ismail,
Department of General, Laparoscopic and Bariatric Surgery, Moulana Hospital, Perinthalmanna, Kerala
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jmas.JMAS_108_19

Background: Laparoscopic Roux-en-Y gastric bypass (RYGB) has been proven to induce significant weight loss and remission of related co-morbidities in patients with morbid obesity. The long-term follow-up data show weight regain or failure to achieve complete remission of type 2 diabetes mellitus (T2DM) in some patients. In this study, we report weight loss patterns and remission of T2DM in patients with morbid obesity during a 5-year follow-up after RYGB. Objective: The objective was to evaluate outcomes during the follow-up on excess weight loss (EWL) and remission of T2DM after laparoscopic RYGB among Indian patients. Setting: The study was conducted in a tertiary care hospital, Kerala, India. Materials and Methods: This is a retrospective study in patients who underwent surgery between 2007 and 2010. The patient demographics, pre- and post-operative body mass index (BMI), co-morbidities and EWL were recorded from the medical records. These data were compared between pre-operative and follow-up intervals till 5 years using statistical approaches. Results: The study included 157 patients (91 males and 66 females) having a mean pre-operative BMI of 47.91 ± 7.01 kg/m2. A significant reduction in the BMI was observed at each follow-up point (P < 0.01) till 5 years after the surgery. The mean percentage of EWL increased from 34.57% ± 12.62% to 71.50% ± 15.41% from 3 months to 5 years after the surgery. Twelve per cent (n = 19) of patients achieved normal BMI (<25 mg/kg2) by 3rd year after the surgery. However, the remission of T2DM was achieved in >50% of patients within a year of surgery. During the 5th year, weight regain (1–22 kg) was observed in 36.70% (n = 58) patients, and recurrence of T2DM was observed in two patients. Conclusions: The long-term durability of RYGB in the study population was satisfactory with significant weight loss and remission of T2DM.

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2004 Journal of Minimal Access Surgery
Published by Wolters Kluwer - Medknow
Online since 15th August '04