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Published on: November 10, 2017

The role of cholesterol and statins in stroke

Babak B Navi1, Alan Z Segal

  • 1Weill-Cornell Medical Center, 525 East 68th Street, New York, NY 10021, USA. azs2001@med.cornell.edu

Current Cardiology Reports
|December 19, 2008
PubMed

Insights

Statins effectively reduce ischemic stroke risk and improve outcomes in stroke patients by lowering cholesterol and offering neuroprotection. Cholesterol management is crucial for stroke prevention and treatment.

Area of Science:

  • Neurology
  • Cardiovascular Medicine
  • Pharmacology

Background:

  • Observational studies suggest complex relationships between cholesterol levels and stroke types.
  • Low-density lipoprotein (LDL), high-density lipoprotein (HDL), and triglycerides individually impact stroke risk.
  • Statins are widely used for cardiovascular disease but their role in stroke requires further elucidation.

Purpose of the Study:

  • To evaluate the efficacy of statins in stroke prevention and treatment.
  • To explore the impact of statins on different stroke subtypes.
  • To investigate the pleiotropic effects of statins beyond cholesterol reduction in neurological contexts.

Main Methods:

  • Review of observational studies and clinical trials on statin use and stroke.
  • Analysis of data correlating cholesterol levels with ischemic and hemorrhagic stroke.
  • Examination of statin's effects on infarct size, neurological disability, mortality, and deterioration.

Main Results:

  • Statins reduce cerebral infarction risk in patients with comorbidities like diabetes and hypertension.
  • A significant decrease in ischemic stroke risk is observed with statin use, alongside a potential increase in intracerebral hemorrhage risk.
  • Lower achieved cholesterol levels correlate with greater stroke risk reduction.
  • Statins demonstrate neuroprotective effects, decreasing infarct size and neurologic disability.
  • Statin cessation during acute ischemic stroke is linked to higher mortality and neurological deterioration.

Conclusions:

  • Cholesterol is a modifiable stroke risk factor, with statins serving as key therapeutic agents.
  • Statins are beneficial for both stroke prophylaxis and acute stroke management.
  • The pleiotropic, neuroprotective actions of statins are critical in managing stroke patients.

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