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  • Title: [Correlation of vasospasm with operative results in ruptured aneurysms].
    Author: Nitta M, Nagai H, Hara M, Tanaka H, Shintani A, Takagi T, Hori H, Ito H, Maeda S.
    Journal: No Shinkei Geka; 1982 Aug; 10(8):823-9. PubMed ID: 7133303.
    Abstract:
    The present study is a retrospective clinicoradiological correlative investigation of subarachnoid hemorrhage associated with ruptured aneurysms. There were 360 patients in whom the source of subarachnoid hemorrhage was shown by angiography to be a ruptured aneurysm, and 302 of them underwent surgery. Arterial vasospasm was demonstrated in 113 of 360 patients (31%). When the time relationship between the subarachnoid hemorrhage and vasospasm was considered, vasospasms were revealed in 35 patients (31%) to ten days after a hemorrhage. In these cases with preoperative vasospasm, 17 patients were operated within 14 days and 43 patients later than two weeks. On the examination, their clinical state was graded according to Hunt and Hess. The surgical results were also grade in five groups (excellent, good, fair, poor and died) according to the functional results at discharge from the hospital. Of 35 patients of grade I and II at operation, 23 patients (66%) were of excellent or good results. However, of 14 patients of grade IV and V at operation, only on patient took good result. Of 12 patient in whom severe vasospasm was demonstrated and surgery was delayed more than two weeks, 8 patients (66%) had good result. Postoperative vasospasm was recognized in 2 patients, who took poor result. Surgery was carried out in 32 patients on the first or second day after subarachnoid hemorrhage, and 7 patients (22%) of them took good result. The overall mortality was 59% (19 patients). In ten patients, surgery was carried out on the third or fourth day after subarachnoid hemorrhage. Five patients had good result (50%) and four (40%) died. Considering the relationship between the timing and result of surgery, the mortality was 35% in patients operated on in the first week, whereas there were only 38 deaths among the 252 patients operated on after that interval. Among the death patients who were in grade IV or V at admission, intracranial hematoma was seen in 73%. It was concluded that in patients classified as grade I or II, the operation should be performed as soon as possible to prevent another rupture. In grade IV and V patients with severe damage by large hematoma, the mortality and morbidity were high even after evacuation of the hematoma. Patients with marked and diffuse vasospasm should be given conservative treatment at first and then operated on when the patients condition becomes good.
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