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Arteriovenous Malformation (AVM)

Statistics for Arteriovenous Malformation (AVM)

Although cerebral arteriovenous malformation (AVM) is a very rare condition, doctors have assembled some pertinent facts on the condition:

  • AVMs in the brain affect fewer than 1% of the population
  • The condition is congenital, occurring at birth
  • About 12% of people with an arteriovenous malformation experience symptoms
  • Each year, 2% to 4% of all people with AVMs have a hemorrhage
  • Hemorrhages occur most often between the ages of 15 and 20
  • About 2% of hemorrhagic strokes are related to AVM
  • AVM surgery carries an 8% risk of serious complications or death
  • AVMs are fatal in about 1% of cases each year

Locations for Arteriovenous Malformation (AVM)