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Related Experiment Videos

Recurrent spontaneous cervical-artery dissection

W I Schievink1, B Mokri, W M O'Fallon

  • 1Department of Neurologic Surgery, Mayo Clinic, Rochester, MN 55905.

The New England Journal of Medicine
|February 10, 1994
PubMed
Summary
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Recurrent spontaneous cervical artery dissection is uncommon, with a low annual risk after the initial month. Younger patients face a higher risk of dissection recurrence.

Area of Science:

  • Neurology
  • Vascular Medicine
  • Stroke Research

Background:

  • Spontaneous dissection of internal carotid and vertebral arteries is a recognized cause of ischemic stroke in young individuals.
  • An underlying arteriopathy is often implicated, but recurrent dissection frequency remains unclear.

Purpose of the Study:

  • To determine the long-term frequency of recurrent spontaneous cervical artery dissection.

Main Methods:

  • Long-term follow-up of 200 consecutive patients with confirmed spontaneous cervical-artery dissections.
  • Diagnosis confirmed by angiography.
  • Mean follow-up duration of 7.4 years.

Main Results:

  • Recurrent dissection occurred in 8% of patients (16/200).

Related Experiment Videos

  • Recurrence happened in arteries not previously dissected.
  • The rate of recurrent dissection after the first month was approximately 1% per year, with a 10-year cumulative rate of 11.9%.
  • Younger patients exhibited a higher risk of recurrent dissection.

    • Conclusions:

    • While multiple cervical vessel dissections can occur initially, the risk of recurrence significantly decreases after the first month.
    • The annual risk of recurrent dissection stabilizes at approximately 1% per year.