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The Effect of Intensive Statin Therapy on Symptomatic Intracranial Arterial Stenosis

Peiyang Zhou1, Zhihua Cao1, Pu Wang1

  • 1Dept. of Neurology, Xiangyang No.1 People's Hospital, Hubei University of Medicine, Xiangyang, China.

Iranian Journal of Public Health
|February 16, 2018
PubMed

Insights

Intensive statin therapy with 40 mg/d atorvastatin significantly reduced cerebrovascular events in patients with intracranial arterial stenosis. This high-dose treatment also improved cerebral blood flow compared to lower doses.

Area of Science:

  • Neurology
  • Cardiology
  • Pharmacology

Background:

  • Symptomatic intracranial arterial stenosis poses a significant risk for cerebrovascular events.
  • Understanding the optimal management strategy for this condition is crucial.

Purpose of the Study:

  • To evaluate the efficacy of intensive statin therapy in managing symptomatic intracranial arterial stenosis.
  • To compare the effects of different doses of atorvastatin on clinical outcomes and cerebral blood flow.

Main Methods:

  • A study involving 120 patients with symptomatic intracranial arterial stenosis.
  • Patients were randomized into three groups receiving varying daily doses of atorvastatin (10 mg, 20 mg, 40 mg) for at least 1 year.
  • Outcomes assessed included clinical endpoint event rates and changes in cerebral blood flow over a 12-month follow-up period.

Main Results:

  • The incidence of cerebrovascular events was 26.3% (low-dose), 13.5% (general-dose), and 5.4% (intensive-dose).
  • A significant reduction in events was observed in the intensive treatment group compared to the low-dose group (P<0.05).
  • All treatment groups showed significant improvements in relative cerebral blood flow and volume, with the intensive group exhibiting a shorter relative time to peak.

Conclusions:

  • High-dose atorvastatin (40 mg/d) demonstrates a significant advantage in reducing cerebrovascular events.
  • Intensive statin therapy effectively improves cerebral blood flow parameters in patients with intracranial arterial stenosis.
  • The findings support the use of high-dose atorvastatin for managing symptomatic intracranial arterial stenosis.
Abstract

Keywords:
CT perfusion imagingEnhanced lipid-loweringIntracranial atherosclerotic stenosisStatin

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