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由于显微神经外科技术的发展，颅内动脉瘤的手术结果已明显改善。尽管如此，临床分级对预后有很大影响［１］。本文报告１９例Ⅳ、Ⅴ级破裂动脉瘤的外科治疗。临床资料 １－一般资料：１９９０年３月至１９９７年１２月收治１９例Ⅳ、Ⅴ级破裂动脉瘤。男１０例，女９例，年
Due to the development of microneurosurgery techniques, the surgical outcome of intracranial aneurysms has improved significantly. Despite this, clinical grade has a great influence on the prognosis [1]. This article reports the surgical treatment of 19 cases of grade IV and V ruptured aneurysms. Clinical Data 1 - General Information: From March 1990 to December 1997, 19 patients with grade IV and V ruptured aneurysms were treated. 10 males and 9 females, year