No T1D Glycemic Benefits with Bariatric Surgery
the MPR take:
Bariatric surgery has been associated with benefits in patients with type 2 diabetes, but what about those with type 1 diabetes? New research in the journal Diabetes Care collected data from 22 patients with a confirmed diagnosis of type 1 diabetes and BMI ≥35 kg/m2 who underwent bariatric surgery were evaluated on BMI, glycemic control, and daily insulin dose pre- and post-surgery. Patients were evaluated for an average of 10.1 months prior to surgery and 29.7 months following surgery. While a decrease in BMI and total daily insulin dose were observed, there was no substantial improvement in glycemic control as assessed by A1C. While bariatric surgery is safe for patients with type 1 diabetes and led to substantial weight loss in this study, the study could not confirm previous findings of improvement in glycemic control in patients with type 1 diabetes and bariatric surgery.
Brethauer et al. (1) report an improvement of glycemic control following bariatric surgery in patients with type 1 diabetes. However, the small sample size and limited time of follow-up of this latest and other previous reports preclude drawing firm conclusions (1–3). We collected data from 22 patients with confirmed type 1 diabetes and BMI ≥35 kg/m from three Belgian bariatric surgery centers.
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