Endovascular Treatment of Cerebral Vasospasm

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  • 脳血管攣縮の血管内治療

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The endovascular treatment of cerebral vasospasm was reviewed and recent concepts for this treatment were discussed. Percutaneous transluminal angioplasty (PTA) for vasospasm and the intra-arterial infusion of papaverine or fasudil hydrochloride comprise the endovascular treatment for cerebral vasospasm. Vasospasms of a proximal vessel are best suited for PTA with its lasting effect and vasospasms of a peripheral vessel are best suited for drug infusion with its less invasive nature. Ruptured aneurysms at the cerebral vasospasm onset phase from ischemic symptoms or re-rupture are also good candidates for endovascular treatment because simultaneous treatment is possible using the endovascular technique. The most important factor to the success of endovascular treatment of cerebral vasospasm is the timing of the treatment and we should catch this timing by carefully monitoring clinical signs and/or through transcranial Doppler sonography, cerebral blood flow studies.

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