Assessment of Weight Loss With the Intragastric Balloon in Patients With Different Degrees of Obesity

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Introduction:The intragastric balloon (IGB) is an endoscopic device for the treatment of obesity. Best results are observed in patients who follow a dietary program but few studies have assessed the results of this treatment in patients with different degrees of obesity.Aim:The aim of this study is to compare the efficacy of IGB in patients with different degrees of obesity.Method:A total of 2002 patients with IGB were retrospectively evaluated and were divided into groups according to initial body mass index (BMI) range, as follows: group 1, 27 to 29.9 kg/m2; group 2, 30 to 34.9 kg/m2; group 3, 35 to 39.9 kg/m2; group 4, 40 to 44.9 kg/m2; group 5, ≥45 kg/m2. Weight was assessed in 3 different times: before (T0), 1 month (T1), 6 months (T2), and 6 months after removal of the IGB (T3).Results:A total of 946 patients lost follow-up. Overall, 40 (3.78%) removed the device before programmed by intolerance, and 1016 patients completed the 6-month treatment. The mean weight loss was 18.9%, excess weight loss 60.1% and an BMI reduction of 6.76 points. 6 months after removal of the balloon 842 patients had continued follow-up (82.8%). At this time, weight loss was 19.84%, excess weight loss was 59.49%, and BMI reduction of 7.06 points. In all groups there was statistical difference between the times T0 and T1 and between T1 and T2 (P<0.001). There was no statistical difference between T2 and T3, in any group.Conclusion:IGB provided sustained weight loss in patients who remained in dietary follow-up for 1 year.

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