TY - JOUR T1 - Arteriovenous malformations of the brain: natural history in unoperated patients. JF - Journal of Neurology, Neurosurgery & Psychiatry JO - J Neurol Neurosurg Psychiatry SP - 1 LP - 10 DO - 10.1136/jnnp.49.1.1 VL - 49 IS - 1 AU - P M Crawford AU - C R West AU - D W Chadwick AU - M D Shaw Y1 - 1986/01/01 UR - http://jnnp.bmj.com/content/49/1/1.abstract N2 - Two-hundred and seventeen patients from a total population of 343 patients with arteriovenous malformations, were managed without surgery. Follow up was for a mean of 10.4 years. Using life survival analyses, there was a 42% risk of haemorrhage, 29% risk of death, 18% risk of epilepsy and a 27% risk of having a neurological handicap by 20 years after diagnosis in unoperated patients. ER -