• Giuseppe Lanzino, Kenneth Fraser, Yassine Kanaan, and Anne Wagenbach.
• Department of Neurosurgery, Illinois Neurological Institute, University of Illinois College of Medicine at Peoria, Illinois 61637, USA. lanzino@uic.edu
• J. Neurosurg. 2006 Mar 1;104(3):344-9.

ObjectThe aim of this study was to analyze the therapeutic decision-making process and outcome in 100 consecutive patients with aneurysmal subarachnoid hemorrhage (SAH) treated since the completion of the International Subarachnoid Aneurysm Trial (ISAT). All patients were evaluated and treated by a neurosurgeon with subspecialty training in both cerebrovascular and neuroendovascular surgery.MethodsOne hundred consecutive patients with aneurysmal SAH who had been admitted within 1 week posthemorrhage and who had been treated using either surgical clip application or endovascular coil embolization were included in this analysis. All patients underwent a uniform perioperative protocol. All surviving patients were given a questionnaire to assess their modified Rankin Scale score (mRS) and to grade themselves at 6 months and 1 year postintervention. The cohort consisted of 73 women and 27 men with a mean age of 57.27 years (range 27-87 years). Twenty-nine percent of the patients had a World Federation of Neurosurgical Societies (WFNS) Grade IV or V SAH. Forty-seven patients underwent direct surgical clip application, 41 endovascular embolization, and 12 a combination of the two procedures. Good functional outcome--indicated by mRS scores of 0 to 2 after at least 6 months--was achieved in 71% of patients.ConclusionsData from the ISAT demonstrated a better functional outcome following endovascular embolization in a selected group of patients with aneurysmal SAH. In routine clinical practice, however, a significant number of patients still benefit from direct surgical clip ligation. Excellent functional results can be realized in a complementary clip ligation and coil occlusion practice in which each patient and aneurysm is evaluated and the two treatment modalities are used individually or, when needed, in combination.

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