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Year : 2022  |  Volume : 1  |  Issue : 1  |  Page : 30-33

Early weight loss: A determinant of total weight loss after bariatric surgery

Center for Metabolic Surgery, Wockhardt Hospitals, Mumbai, Maharashtra, India

Correspondence Address:
Dr. Amrit Manik Nasta
Wockhardt Hospitals, Mumbai Central, Mumbai, Maharashtra
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jbs.jbs_3_21

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Background: Bariatric surgery is the most effective weight loss intervention for patients with severe obesity. Several studies have shown wide variability in weight loss response between patients. The aim of the study is to identify comparative poor responders based on weight loss in the early postoperative period. Methods: A retrospective analysis of 125 patients who underwent primary bariatric surgery by a single surgeon and completed 1 year of follow-up was performed. Patients were divided into two groups based on % Total Weight loss (%TWL) at 1 month after surgery: Group 1-who lost <10% TWL and Group 2-who lost >10% TWL. The comparison of factors in both groups at different time points was executed using paired t-tests or analysis of variance. The relationships between Group 1 and Group 2 after 1 year follow-up period were assessed through linear regression analyses. Results: Seventy (56%) patients lost <10% TWL and 55 (44%) patients lost more than 10% TWL in 1 month after surgery. Mean weight loss at 1 month and 1 year after surgery was 9 ± 5.5 kg and 37 ± 13.3 kg in Group 1 compared to 16 ± 5.2 and 46 ± 16.4 kg in Group 2, respectively. Patients with >10%TWL at 1 month had significantly greater %TWL at 1 year (P = 0.001). Linear regression analysis showed a positive correlation between patients who lost >10%TWL 1 month after surgery and weight loss at 1 year. Conclusion: Postoperative percentage TWL of <10% at 1 month can be used as an early determinant of comparatively poor weight loss at 1 year. Early initiation of aggressive and multimodal treatment strategies is likely to improve overall weight loss outcomes after surgery.

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