What risk factors have been identified as predicting the presence of 50% reduction in internal diameter of the internal carotid artery?
Risk factors identified as predicting the presence of 50% reduction in internal diameter of the internal carotid artery include smoking, diabetes mellitus, hypertension, a previous cerebrovascular event, PAD, left main CAD, and a history of cervical carotid disease. The probability of detecting significant carotid disease increases almost 3 times for each additional criterion that is present.