Outcome for middle cerebral artery aneurysm surgery

Neurosurgery
Michael Kerin MorganJohn Reid

Abstract

To assess in depth the variables contributing to adverse surgical outcome for repair of unruptured middle cerebral artery aneurysms. Prospectively collected data between October 1989 and June 2009 were examined retrospectively. Putative risk factors were investigated with univariate and multivariate logistic regression analyses. In this study, 263 patients (339 aneurysms) underwent surgical clipping in 280 operations for unruptured middle cerebral artery aneurysms. The overall surgical mortality and morbidity rate was 5% (95% confidence interval [CI], 2.9-8.3). Multivariate logistic analysis of risk factors revealed that age and aneurysm size were independent predictors of surgical outcome. Patients < 60 years of age with an aneurysm < or = 12 mm constituted a low-risk group with a procedure-related combined mortality and morbidity of 0.6% (95% CI, 0-3.8). Patients < 60 years of age with an aneurysm > 12 mm had a procedure-related combined mortality and morbidity of 7.4% (95% CI, 1-24.5). Patients > or = 60 years of age with an aneurysm of < or = 12 mm had a procedure-related combined mortality and morbidity of 9.3% (95% CI, 4.3-18.3). Patients > or = 60 years of age with an aneurysm > 12 mm had a procedure-related combined mor...Continue Reading

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Citations

Dec 5, 2012·Neurosurgery·Ana Rodríguez-HernándezMichael T Lawton
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