临床上出现明显的血管痉挛并伴有蛛网膜下腔出血，需血管成形术治疗者11名(6.5%)，120名(71%)有蛛网膜下腔出血者行脑室分流术。

Clinically significant vasospasm requiring angioplasty occurred in 11 patients (6.5%) with subarachnoid hemorrhage, and 120 patients (71%) with subarachnoid hemorrhage required ventricular shunts.

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