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• W1985583886 abstract "<i>Background and Purpose:</i> The purpose of this community-based study was to evaluate temporal changes in surgical and management outcomes in patients with aneurysmal subarachnoid hemorrhage (SAH). <i>Methods:</i> The subjects were 358 patients with aneurysmal SAH who were treated during the 19-year period from 1980 to 1998 in Izumo City, Japan. We compared data during the 9-year period 1990–1998 (period B; 188 patients) with those during the 10-year period 1980–1989 (period A; 170 patients). <i>Results:</i> The proportion of patients 80 years of age or older or those with World Federation of Neurosurgical Societies grade V increased significantly (period A, 5 and 25%; period B, 18 and 35%, respectively). The operability rate did not change for patients 69 years of age or younger, whereas it increased significantly for those 70–79 years of age (period A, 48%; period B, 72%). The 6-month and 2-year case fatality rates in surgically treated patients decreased significantly (period A, 12 and 20%; period B, 2 and 8%, respectively), whereas they were virtually unchanged for overall management (period A, 41 and 46%; period B, 38 and 42%, respectively). In patients who underwent surgery, the incidence of permanent symptomatic vasospasm decreased from 21% during period A to 11% during period B, and there was no death from vasospasm in the later period. However, no significant difference was found in the functional outcome between the two periods, regardless of whether surgery was performed. The most important determinants of 6-month and 2-year survival rates were grade on admission, rebleeding and the site of the ruptured aneurysms. Age was also a significant predictor of the 6-month case fatality rate. <i>Conclusions:</i> For patients with SAH who underwent surgery, there were trends towards decreases in the case fatality rate and in the incidence of permanent symptomatic vasospasm. Nevertheless, the overall management outcome was still unsatisfactory, mainly because of increasing numbers of very elderly and/or high-risk patients." @default.
• W1985583886 created "2016-06-24" @default.
• W1985583886 creator A5026471160 @default.
• W1985583886 date "2005-01-01" @default.
• W1985583886 modified "2023-09-25" @default.
• W1985583886 title "Trends in Surgical and Management Outcomes in Patients with Aneurysmal Subarachnoid Hemorrhage in Izumo City, Japan, between 1980–1989 and 1990–1998" @default.
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• W1985583886 doi "https://doi.org/10.1159/000081910" @default.
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