脑动静脉畸形的患病率为15/100,000[5]Al-Shahi R, Fang JS, Lewis SC, et al. Prevalence of adults with brain arteriovenous malformations: a community based study in Scotland using capture-recapture analysis. J Neurol Neurosurg Psychiatry. 2002;73:547-551.http://jnnp.bmj.com/content/73/5/547.longhttp://www.ncbi.nlm.nih.gov/pubmed/12397149?tool=bestpractice.com总的发病率为每年（1.12-1.34）/100,000。[6]Al-Shahi R, Bhattacharya JJ, Currie DG, et al. Prospective, population-based detection of intracranial vascular malformations in adults: the Scottish Intracranial Vascular Malformation Study (SIVMS). Stroke. 2003;34:1163-1169.http://stroke.ahajournals.org/content/34/5/1163.longhttp://www.ncbi.nlm.nih.gov/pubmed/12702837?tool=bestpractice.com[7]Stapf C, Mast H, Sciacca RR, et al. The New York Islands AVM Study: design, study progress, and initial results. Stroke. 2003;34:e29-e33.http://stroke.ahajournals.org/content/34/5/e29.fullhttp://www.ncbi.nlm.nih.gov/pubmed/12690217?tool=bestpractice.com总的来说79% (0.89/100,000)的AVMs患者无症状，21% (0.23/100,000)的患者有明显症状 (如癫痫或脑内出血)。[6]Al-Shahi R, Bhattacharya JJ, Currie DG, et al. Prospective, population-based detection of intracranial vascular malformations in adults: the Scottish Intracranial Vascular Malformation Study (SIVMS). Stroke. 2003;34:1163-1169.http://stroke.ahajournals.org/content/34/5/1163.longhttp://www.ncbi.nlm.nih.gov/pubmed/12702837?tool=bestpractice.com
