• Farhan Siddiq, Malik M Adil, Daraspreet Kainth, Sean Moen, and Adnan I Qureshi.
• Zeenat Qureshi Stroke Research Center, University of Minnesota, Minneapolis, Minnesota; Department of Neurosurgery, University of Minnesota, Minneapolis, Minnesota.
• J Stroke Cerebrovasc Dis. 2013 Nov 1;22(8):e504-10.

BackgroundBecause of the availability of new technology, the spectrum of endovascular treatment for intracranial aneurysms has expanded widely. Some centers have started offering only endovascular treatment to patients with intracranial aneurysms (endovascular treatment-only centers [ETOCs]). Our objective was to identify the proportion and outcome of patients treated at ETOCs in the United States.MethodsWe determined the proportion of ETOCs in the United States using Nationwide Inpatient Survey data files from 2010. We compared short-term outcomes between ETOCs and endovascular and surgical treatment centers (ESTCs). The outcomes studied were none to minimal disability, moderate to severe disability, in-hospital mortality, postprocedure complications, length of stay, and hospital charges.ResultsOut of 85 hospitals performing endovascular treatment of unruptured aneurysms, 13 (15%) were categorized as ETOCs. Out of the 10,447 patients with unruptured aneurysms, 1245 (12%) were treated at ETOCs. ETOCs were more likely to be nonteaching hospitals (55% versus 45%, P=.02). The rates of in-hospital mortality (1.2% versus 1.8%) and none to minimal disability (88% versus 84%) were similar in patients treated at ETOCs and ESTC hospitals. The mean hospitalization charges were similar, but length of stay (4±7 days versus 6±10 days, P<.0001) was significantly shorter among patients treated at ETOCs. Only 2.7% patients required secondary neurosurgical procedures at the ETOCs compared with 5.8% in ESTCs (P=.09).ConclusionThe recent emergence of ETOCs and provision of treatment with comparable outcomes and shorter length of stay at these hospitals may change the pattern of intracranial aneurysm treatment in the United States.Copyright © 2013 National Stroke Association. Published by Elsevier Inc. All rights reserved.

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