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Risk factor status and vascular events in patients with symptomatic intracranial stenosis

S Chaturvedi1, T N Turan, M J Lynn

  • 1Stroke Program and Department of Neurology, Wayne State University, 8C-UHC, 4201 St. Antoine, Detroit, MI 48201, USA. SChaturv@med.wayne.edu

Neurology
|November 28, 2007
PubMed

Insights

Poor control of blood pressure and high cholesterol increase stroke risk in patients with intracranial stenosis. Managing these vascular risk factors is crucial for preventing major vascular events.

Area of Science:

  • Neurology
  • Cardiology
  • Vascular Medicine

Background:

  • Limited data exist on the impact of vascular risk factor control on vascular events in symptomatic intracranial arterial stenosis.
  • Intracranial arterial stenosis poses a significant risk for stroke and other vascular complications.

Purpose of the Study:

  • To investigate the association between vascular risk factor control and the occurrence of vascular events in patients with symptomatic intracranial arterial stenosis.
  • To identify specific risk factors that predict adverse vascular outcomes in this patient population.

Main Methods:

  • Analysis of the Warfarin Aspirin Symptomatic Intracranial Disease (WASID) study database.
  • Assessment of vascular and lifestyle risk factors at baseline and averaged over the trial.
  • Multivariable Cox proportional hazards regression to identify predictors of ischemic stroke, myocardial infarction, or vascular death.

Main Results:

  • Systolic blood pressure >=140 mm Hg, cholesterol >=200 mg/dL, and no alcohol consumption were associated with increased risk of stroke, myocardial infarction, or vascular death.
  • While cholesterol control improved, blood pressure control did not significantly improve within the first two years.
  • These risk factors also predicted ischemic stroke alone.

Conclusions:

  • Elevated blood pressure and cholesterol levels are significant predictors of major vascular events in patients with symptomatic intracranial stenosis.
  • Effective management of hypertension and hyperlipidemia is essential for reducing vascular risk in this cohort.
Abstract

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