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Bariatric Surgery Lowers the Risk of Major Cardiovascular Events

Andrew M Brown1, Jie Yang1, Xiaoyue Zhang2

  • 1Department of Surgery, Stony Brook University Hospital, Stony Brook, New York.

Annals of Surgery
|November 20, 2020
PubMed

Insights

Bariatric surgery significantly reduces the risk of heart attack and stroke. Gastric bypass surgery showed a lower risk of cardiovascular events compared to sleeve gastrectomy.

Area of Science:

  • Cardiovascular Science
  • Surgical Outcomes
  • Obesity Medicine

Background:

  • Bariatric surgery improves obesity-related comorbidities.
  • Limited large-scale studies compare cardiovascular outcomes across different bariatric procedures.

Purpose of the Study:

  • To evaluate the impact of bariatric surgery on myocardial infarction (MI), stroke, and composite cardiovascular events.
  • To compare cardiovascular outcomes among different bariatric surgery types.

Main Methods:

  • Retrospective, observational, matched-cohort study (2006-2012).
  • Adult patients with obesity in New York state.
  • Stratification by bariatric surgery utilization and procedure type (sleeve gastrectomy vs. gastric bypass).

Main Results:

  • Bariatric surgery significantly reduced composite cardiovascular events (HR 0.48), MI (HR 0.39), and stroke (HR 0.55).
  • Gastric bypass patients had a lower risk of MI, stroke, and overall cardiovascular events compared to sleeve gastrectomy patients.

Conclusions:

  • Bariatric surgery is linked to a reduced risk of major cardiovascular events.
  • Gastric bypass may offer superior cardiovascular protection compared to sleeve gastrectomy.
Abstract

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