Vojnosanitetski pregled · 2002
Factors influencing the outcome after the operative treatment of cerebral aneurysms of anterior circulation.
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Roganović Zoran, Pavlićević Goran
Аннотация
BACKGROUND: The influence of various factors on the outcome after the operative occlusion of the cerebral aneurysm was to be defined through the retrospective study on 111 surgically treated patients with aneurysm of anterior cerebral circulation.
METHODS: Preoperative clinical condition was graded from 0 to V, according to Hunt & Hess. Postoperative outcome, defined as good or bad according to modified Glasgow Outcome Scale, was correlated in homogenous experimental groups with the following factors: gender, age, aneurysmal size, preoperative interval, nimodipine therapy, experience of surgical team and existence of chronic vascular diseases.
RESULTS: Surgical outcome was good in 74.4% of males and 71.4% of females (p > 0.05); in 83.3% of patients with and 41.2% of patients without chronic diseases (p < 0.01); in 71.4% of patients underwent early, 83.3% of ones underwent postponed and 85% of those underwent late surgery (p > 0.05); in 81.5% of patients treated by nimodipine and in 41.7% of those untreated by the same drug (p < 0.01); in 78.9% of patients operated by the experienced surgical team and in 40% of those operated by less experienced surgical team (p < 0.01). In patients with both good and bad outcome, the mean age was 50.6 and 47.6 years (p > 0.05), and the mean aneurysmal size was 12.3 mm and 13.3 mm, respectively (p > 0.05). Before rupture, the mean size for aneurysms on the bifurcation of the middle cerebral artery was 14.3 mm, and for posterior communicating artery aneurysms only 9.7 mm (p < 0.05).
CONCLUSION: Surgical outcome was significantly influenced by the existence of chronic diseases, nimodipine therapy and experience of surgical team, whereas gender, age, timing for surgery and aneurysmal size were not of significant influence.
METHODS: Preoperative clinical condition was graded from 0 to V, according to Hunt & Hess. Postoperative outcome, defined as good or bad according to modified Glasgow Outcome Scale, was correlated in homogenous experimental groups with the following factors: gender, age, aneurysmal size, preoperative interval, nimodipine therapy, experience of surgical team and existence of chronic vascular diseases.
RESULTS: Surgical outcome was good in 74.4% of males and 71.4% of females (p > 0.05); in 83.3% of patients with and 41.2% of patients without chronic diseases (p < 0.01); in 71.4% of patients underwent early, 83.3% of ones underwent postponed and 85% of those underwent late surgery (p > 0.05); in 81.5% of patients treated by nimodipine and in 41.7% of those untreated by the same drug (p < 0.01); in 78.9% of patients operated by the experienced surgical team and in 40% of those operated by less experienced surgical team (p < 0.01). In patients with both good and bad outcome, the mean age was 50.6 and 47.6 years (p > 0.05), and the mean aneurysmal size was 12.3 mm and 13.3 mm, respectively (p > 0.05). Before rupture, the mean size for aneurysms on the bifurcation of the middle cerebral artery was 14.3 mm, and for posterior communicating artery aneurysms only 9.7 mm (p < 0.05).
CONCLUSION: Surgical outcome was significantly influenced by the existence of chronic diseases, nimodipine therapy and experience of surgical team, whereas gender, age, timing for surgery and aneurysmal size were not of significant influence.