• World Neurosurg · Dec 2022

    Impact of treatment timing on the risk of cerebral infarction in patients with aneurysmal subarachnoid hemorrhage.

    • Alejandro N Santos, David N Nii-Amon-Kotei, Thiemo Florin Dinger, Meltem Gümüs, Laurèl Rauschenbach, Anna Michel, Annika Lenkeit, Mehdi Chihi, Marvin Darkwah Oppong, Karsten H Wrede, Philipp Dammann, Ulrich Sure, and Ramazan Jabbarli.
    • Department of Neurosurgery and Spine Surgery, University Hospital Essen, Essen, Germany. Electronic address: alejandro.santos@uk-essen.de.
    • World Neurosurg. 2022 Dec 1; 168: e97e109e97-e109.

    BackgroundCerebral infarction is a major contributor to poor outcome in patients with aneurysmal subarachnoid hemorrhage (aSAH). Timing of treatment has been discussed as a possible contributor. We aimed to analyze the impact of treatment timing on the risk of cerebral infarction and poor outcome after aSAH.MethodsConsecutive cases of patients with aSAH treated at our institution between January 2003 and June 2016 were included. The cohort was divided into 2 groups, depending on the treatment during (day 4-14 after ictus) or beyond the vasospasm phase. Statistical assessment included a 1:1 propensity score matching analysis and multivariable logistic regression analysis within the whole cohort.ResultsOf 943 patients with aSAH, 111 underwent treatment in the vasospasm phase. In the propensity score matching analysis, patients treated during the vasospasm phase were at higher risk of vasospasm requiring intra-arterial spasmolysis (P < 0.0001), cerebral infarction distal to the treated vessel (P < 0.0001), and poor outcome (modified Rankin Scale score >2) at 6 months follow-up (P = 0.025). In the multivariable analysis, aneurysm treatment in the vasospasm phase was independently associated with higher risk of cerebral vasospasm necessitating intra-arterial spasmolysis (P < 0.0001; adjusted odds ratio [aOR], 3.62), cerebral infarction distal to the treated aneurysm (P = 0.01; aOR, 2.02), and poor outcome (P = 0.03; aOR, 2.05).ConclusionsOur data confirm a considerable risk of cerebral infarction and poor outcome in cases of aneurysm treatment between day 4 and 14 after aSAH. A more intense surveillance and prophylactic treatment of cerebral vasospasm might be necessary in cases of aneurysm treatment in the vasospasm phase.Copyright © 2022 Elsevier Inc. All rights reserved.

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