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Related Experiment Videos

Do cerebral arteriovenous malformations increase in size?

A D Mendelow1, A Erfurth, K Grossart

  • 1Institute of Neurological Sciences, Glasgow, Scotland.

Journal of Neurology, Neurosurgery, and Psychiatry
|August 1, 1987
PubMed
Summary
This summary is machine-generated.

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Cerebral arteriovenous malformations (AVMs) can spontaneously enlarge over time, with an estimated annual frequency of 0.2% to 2.8%. This growth rate is crucial for considering AVM treatment options and associated hemorrhage risks.

Area of Science:

  • Neurology
  • Vascular Surgery
  • Radiology

Background:

  • Cerebral arteriovenous malformations (AVMs) are complex vascular lesions in the brain.
  • Understanding the natural history and progression of AVMs is vital for patient management.

Observation:

  • Six patients with cerebral AVMs were monitored over 4 to 20 years.
  • Progressive enlargement of these AVMs was observed during the follow-up periods.

Findings:

  • The estimated frequency of spontaneous AVM enlargement ranges from 0.2% to 2.8% per annum.
  • This indicates a significant potential for AVM growth over time.

Implications:

  • The observed rate of AVM enlargement must be factored into treatment decisions.

Related Experiment Videos

  • This spontaneous growth adds to the baseline risk of hemorrhage in patients with cerebral AVMs.