After subarachnoid hemorrage, the first aim in performing angiographic investigation, is to recognize the cause of bleeding.
The arteriography can identify an aneurysm, the most frequent vascular malformation, but also associated vascular abnormalities. We report our experience on a study using angiographic investigation to explore intracranial aneurysms.
Our data confirme high occurrence of kinking, coiling and others vascular abnormalities of the Willis circle and of the vertebral arteries, associated with aneurysms.
This association suggests new concepts of aneurysm formation and must induce to detection of some aneurysms before rupture.
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