Bariatric surgery for people with diabetes and severe obesity: a summary of the evidence

Bariatric surgery is associated with a 76.8% resolution rate of diabetes in morbidly obese individuals with a BMI ≥ 35 kg/m².

• Evidence suggests that bariatric surgery can lead to significant improvement and resolution of diabetes in patients classified as morbidly obese.
• The quality of evidence for the effectiveness of bariatric surgery on diabetes improvement is rated as moderate.
• Retrospective analyses indicate that malabsorptive surgical techniques may provide better outcomes for diabetes resolution compared to purely restrictive methods.
• A meta-analysis shows that 86.0% of patients experienced improvement in diabetes after bariatric surgery.
• Long-term direct comparisons between different surgical techniques are lacking, but existing studies suggest malabsorptive techniques may be more effective.

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