Digital substraction angiography for carotid surgery: our experience

Digital subtraction angiography (DSA) has became a common diagnostic procedure in the investigation of patients with cerebrovascular disorders. In these report is described a series of 80 cases previously examined in 8 different department of radiology, 59 with IV.DSA and 21 with IA.DSA. Thirty per cent of IV.DSA images were judged to be technically inadequate, so that further evaluations with conventional angiography have been needed, and in 3 patients (5.0%) the IV.DSA diagnosis was overturned. The authors recommend intraarterial digital subtraction angiography for evaluation of extracranial carotid occlusive disease always resulted the definitive diagnostic procedure in their experienc