• Juergen Konczalla, Nina Brawanski, Markus Bruder, Christian Senft, Johannes Platz, and Volker Seifert.
• Department of Neurosurgery, Goethe-University Hospital, Frankfurt am Main, Germany. Electronic address: J.Konczalla@med.uni-frankfurt.de.
• World Neurosurg. 2016 Apr 1; 88: 488-496.

ObjectiveCerebral vasospasm (CVS) occurs regularly between days 3 and 12 after subarachnoid hemorrhage (SAH). Yet, some patients suffering from SAH have long-lasting cerebral vasospasm (LL-CVS, i.e., longer than 14 days). The outcome of these patients with a very long treatment is unknown.MethodsPatients with SAH were entered into a prospectively collected database. In unconscious patients, CVS was treated until a reversal of CVS was confirmed by imaging. Outcome was assessed with the modified Rankin Scale (mRS; favorable [mRS 0-2] and unfavorable [mRS 3-6]) 6 months after SAH. Data were compared by matched pair analysis.ResultsOf 1126 patients, 106 had LL-CVS (9.4%). The mean of treatment was until day 20 (range, 15-42). Of these patients, more than 30% needed treatment longer than 21 days after SAH; 29% had a small intracerebral hematoma (ICH; <50 mL). Hydrocephalus that required external ventricular drainage was present in 81%. Outcomes were favorable in 60%, and 8% died. In the multivariate logistic regression analysis, risk factors for an unfavorable outcome were elderly patients, poor admission status, and the presence of small ICH. Compared with the matched control group, who had "regular-lasting" CVS, patients with LL-CVS had a significant better outcome (60% vs. 49%) and a significant lower mortality rate (8% vs. 27%).ConclusionPatients with LL-CVS had a significant better outcome than patients with "regular-lasting" CVS. Risk factors for worse outcome of patients with LL-CVS were a worse admission status, elderly age, and the presence of small ICH. We recommend using an objective method to validate the reversal of CVS in unconscious patients.Copyright © 2016 Elsevier Inc. All rights reserved.

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