[Value of three-dimensional digital subtraction angiography in diagnosis and planning endovascular treatment of cerebrovascular diseases]

To evaluate the value of three-dimensional (3D) digital subtraction angiography (DSA) in diagnosis and planning endovascular treatment of cerebrovascular diseases.Standard DSA and 3D-DSA were performed in 40 adult patients (aged 21 approximately 74 years) suspected to be with cerebrovascular diseases. The schemes of endovascular treatment were worked out according to the results of 3D-DSA.Positive rate of standard DSA and 3D-DSA were 85.0% and 95.0% respectively in diagnosis of cerebrovascular diseases. 100% occlusion was achieved in 11 patients with intracranial aneurysms and in 7 patients with arteriovenous malformations, and 100% recanalization was achieved in 9 patients with ischemic stroke. Temporary complications were found in 3 of all patients (7.9%).3D-DSA is an ideal tool superior to standard DSA in diagnosis of cerebrovascular diseases and has potential value for evaluating endovascular treatment of cerebrovascular diseases.