In this research, the potential long-term benefits and possible complications of bariatric surgery were explored in patients with type 1 diabetes (T1D). The register-based nationwide cohort study was performed to compare patients with T1D and obesity who had undergone Roux-en-Y gastric bypass (RYGB) surgery with patients with T1D and obesity matched for age, gender, BMI, and calendar time that did not undergo surgery. For the analysis, 387 individuals who had undergone RYGB and 387 control patients were distinguished. The results reveal that bariatric surgery may yield similar benefits on risk for cardiovascular outcomes and mortality in patients with T1D and obesity as for patients with type 2 diabetes. Nevertheless, after surgery, some potentially serious adverse effects imply the necessity for careful monitoring of such patients.
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