Weight Loss, Comorbidity, and Complications After Single-anastomosis Sleeve Ileal Bypass (SASI): A Systematic Review and Meta-analysis - Takeaways - MDSpire

Weight Loss, Comorbidity, and Complications After Single-anastomosis Sleeve Ileal Bypass (SASI): A Systematic Review and Meta-analysis

  • By

  • Helene Marie Haug

  • Hilde Risstad

  • Rolf Eikeland Hagen

  • Tom Mala

  • Jon Adalsteinn Kristinsson

  • Torgeir Thorson Søvik

  • June 24, 2026

  • 0 min

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  • 1

    Metabolic bariatric surgery is the most effective intervention for achieving substantial weight loss and improving metabolic disease.

  • 2

    Single-anastomosis sleeve ileal bypass (SASI) is a newly developed surgical technique that may offer substantial weight loss and metabolic improvements.

  • 3

    Initial studies suggest outcomes of SASI may be comparable to or exceed those of established bariatric procedures, but concerns about nutritional deficiencies remain.

  • 4

    The systematic review aims to update evidence on SASI's effects on weight reduction, type 2 diabetes remission, dyslipidemia, and nutritional status.

  • 5

    Eligibility criteria for included studies focused on adults with obesity, surgical intervention of SASI, and outcomes related to weight loss and nutritional changes.

Original Source(s)

Weight Loss, Comorbidity, and Complications After Single-anastomosis Sleeve Ileal Bypass (SASI): A Systematic Review and Meta-analysis

  • by Helene Marie Haug, Hilde Risstad, Rolf Eikeland Hagen, Tom Mala, Jon Adalsteinn Kristinsson, Torgeir Thorson Søvik

  • June 24, 2026

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