• E G Klompenhouwer, J T A Dings, R J van Oostenbrugge, S Oei, J T Wilmink, and W H van Zwam.
• Department of Radiology, Maastricht University Medical Center, the Netherlands.
• AJNR Am J Neuroradiol. 2011 Mar 1; 32 (3): 570-5.

Background And PurposeISAT provided valuable data on patient outcome after endovascular coiling and surgical clipping of ruptured aneurysms. The purpose of this study was to retrospectively review the ≥1-year outcome (in terms of survival, independence, and rebleeding) of patients who were treated in a routine clinical setting.Materials And MethodsRecords of patients presenting with an SAH from a ruptured aneurysm between 2000 and 2008 were reviewed. The 403 patients who met the inclusion criteria harbored 443 treated aneurysms; 173 were managed surgically and 230 by endovascular means. Mean clinical follow-up was 33.9 months (range, 12-106 months).ResultsThe pretreatment clinical condition according to the HH was significantly better in the surgically treated patients (P = .018). Death occurred in 11.6% after surgery and in 17.4% after endovascular treatment (P = .104). Of the surviving patients in the surgical and endovascular groups, 80.3% and 87.2%, respectively, were able to live independently with grades 0-2 on the mRS (P = .084). Complete aneurysm occlusion was achieved significantly more often after surgical treatment (P < .001). Rebleeding occurred in 3.1% and 2.3% of the patients after surgical treatment and endovascular coiling, respectively. The occurrence of a residual aneurysm at the end of a coiling procedure was significantly related to the frequency of rebleeding (P = .007).ConclusionsThe management of patients with intracranial aneurysms in a routine clinical setting shows good and comparable rates of mortality and independence. Coiling results in lower rates of complete aneurysm occlusion. Postcoiling angiography showing a residual aneurysm is a good predictor of the risk of rebleeding.

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