An estimated 300,000 Americans have AVMs, of whom 12% (approximately 36,000) will exhibit symptoms of greatly varying severity. Source: Internet
Grade 4 and 5 AVMs are not usually surgically treated. citation Radiosurgery has been widely used on small AVMs with considerable success. Source: Internet
Arteriovenous malformations are most commonly of prenatal origin. citation The cause of AVMs remains unknown. Source: Internet
Pathophysiology AVMs are an abnormal connection between the arteries and veins in the human brain. Source: Internet
Further research needs to be conducted to determine cognitive benefits for individuals whose AVMs have been treated using radiologic techniques. Source: Internet
However, embolization alone may completely obliterate some AVMs. Source: Internet