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Statins for the prevention of stroke: a meta-analysis of randomized controlled trials

Wen Wang1, Bo Zhang1

  • 1Department of Neurosurgery, First Affiliated Hospital of Dalian Medical University, Dalian, PR China.

Plos One
|March 20, 2014
PubMed

Insights

Statins significantly reduce overall stroke incidence, including fatal and hemorrhagic types, according to a meta-analysis. Caution is advised for patients with renal issues or prior stroke events.

Area of Science:

  • Cardiovascular Medicine
  • Neurology
  • Pharmacology

Background:

  • Stroke poses a significant threat to quality of life.
  • Statins are known to reduce coronary heart disease risk.
  • The efficacy of statins in stroke prevention requires further investigation.

Purpose of the Study:

  • To systematically evaluate the effectiveness of statins in preventing stroke.
  • To assess the impact of statins on overall, fatal, and hemorrhagic stroke incidence.

Main Methods:

  • A systematic literature search was conducted across PubMed, Embase, and Central databases.
  • Included studies were randomized controlled trials comparing statins with placebo in high-risk patients.
  • Outcome measures focused on the incidence of overall, fatal, and hemorrhagic stroke.

Main Results:

  • Statins demonstrated a significant reduction in overall stroke incidence (OR: 0.80; 95% CI: 0.74-0.87).
  • A trend towards reduced incidence of fatal and hemorrhagic stroke was observed, though not statistically significant.
  • An increased incidence of stroke was noted in renal transplant recipients and hemodialysis patients.

Conclusions:

  • Statins appear beneficial in reducing overall stroke incidence and may lower risks of fatal and hemorrhagic strokes.
  • Caution is recommended when prescribing statins to patients with a history of renal transplantation, hemodialysis, TIA, or stroke.
  • Further high-quality trials are needed to clarify statin benefits across different patient subgroups and dosages.
Abstract

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