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Transient Middle Cerebral Artery Occlusion Model of Stroke
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Published on: August 11, 2023

Recurrent stroke after cervical artery dissection

Christian Weimar1, Klaus Kraywinkel, Christoph Hagemeister

  • 1Department of Neurology, University of Duisburg-Essen, Essen, Germany. stroke.med@uni-essen.de

Journal of Neurology, Neurosurgery, and Psychiatry
|August 5, 2010
PubMed

Insights

Cervical artery dissection (CAD) poses a high risk for recurrent stroke in young adults. Anticoagulation may offer better secondary prevention than antiplatelets, warranting further randomized trials.

Area of Science:

  • Neurology
  • Vascular Medicine
  • Stroke Research

Background:

  • Cervical artery dissection (CAD) is a significant cause of stroke in young adults, accounting for 10-20% of cases.
  • Current secondary prevention strategies lack robust evidence from randomized controlled trials.
  • Limited prospective data exists on the prognosis and optimal management of patients with CAD.

Purpose of the Study:

  • To investigate the prognosis of patients with ischaemic stroke or transient ischaemic attack (TIA) secondary to CAD.
  • To evaluate the effectiveness of different secondary prevention regimens, including anticoagulation and antiplatelet therapy.
  • To identify risk factors and outcomes associated with recurrent events in CAD patients.

Main Methods:

  • A prospective observational study involving 250 patients with acute ischaemic stroke or TIA due to CAD from 30 German neurology departments.
  • Centralized follow-up of 198 patients for a median of 31 months to assess recurrent stroke, recurrent CAD, and mortality.
  • Comparison of outcomes between patients treated with anticoagulants and those treated with antiplatelets.

Main Results:

  • Cervical artery dissection occurred more frequently in carotid arteries (52.0%) than vertebral arteries (46.8%).
  • The in-hospital recurrent stroke rate was 5.2%. Cumulative recurrent stroke rates were 10.7% at 1 year and 14.0% at 3 years.
  • Patients treated with anticoagulants had a significantly lower rate of recurrent stroke within 6 months post-discharge (2.0%) compared to those on antiplatelets (16.7%) (HR 0.11, p=0.02).

Conclusions:

  • This study highlights the substantial risk of early recurrent stroke after acute ischaemic stroke or TIA caused by CAD.
  • Anticoagulation therapy appears to be associated with a lower risk of recurrent stroke compared to antiplatelet therapy in the short term.
  • Randomized controlled trials are essential to definitively determine the optimal secondary prevention strategy for CAD.
Abstract

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