Value of cerebral blood flow study with nimodipine test in intracranial aneurysm

: The study of cerebral blood flow (DSC) in 29 patients with intracranial aneurysm is interesting to diagnose cerebral ischemia without clinical and radiological effect. A test with nimodipine sensitize this exam, confirm the efficacy of this drug in located ischemias. But may reveal a decrease of cerebral blood flow after nimodipine: it is probably an interesting therapeutic test.