• World Neurosurg · Oct 2022

    Angiographic Treatment of Asymptomatic Cerebral Vasospasm Following Aneurysmal Subarachnoid Hemorrhage for the Prevention of Delayed Cerebral Ischemia.

    • Tania Rebeiz, Tagir Sabirov, Sheshali Wanchoo, Timothy G White, Ivan Da Silva, Dimitre G Stefanov, and Richard E Temes.
    • Department of Neurosurgery, Division of neurocritical care, North Shore University Hospital/Donald and Barbara Zucker School of Medicine at Hofstra, Manhasset, New York, USA. Electronic address: trebeiz@northwell.edu.
    • World Neurosurg. 2022 Oct 1; 166: e135e139e135-e139.

    ObjectiveAngiographic treatment of asymptomatic cerebral vasospasm (CVS) in aneurysmal subarachnoid hemorrhage remains controversial. We sought to investigate its relationship with the development of delayed cerebral ischemia.MethodsConsecutive patients admitted between July 2017 and June 2019, with a diagnosis of aneurysmal subarachnoid hemorrhage, were retrospectively analyzed. The rate of development of delayed cerebral ischemia was compared between a group of patients who underwent cerebral angiography for asymptomatic CVS and those who did not. The Mann-Whitney U test or χ2 test was used to compare the 2 groups.ResultsThirty-seven of the 94 patients with aneurysmal subarachnoid hemorrhage were screened for CVS, of whom 16 (43%) had moderate-severe vasospasm. When patients who underwent therapeutic cerebral angiography were compared with those who did not and after adjusting for sex, age, and grade of subarachnoid hemorrhage, treatment was not found to be significantly associated with delayed cerebral ischemia (hazard ratio = 0.82, 95% confidence interval: 0.19-3.52, P = 0.79). We found that the median length of stay in the intensive care unit and hospital increased significantly with the severity of CVS (P < 0.001).ConclusionsCerebral angiography has a low rate of detecting moderate-severe CVS in asymptomatic patients. Moreover, there was no statistically significant difference in the rate of delayed cerebral ischemia between asymptomatic patients treated versus those not treated for CVS. There was significant association between the severity of CVS and the intensive care unit and hospital length of stay. More studies are needed to evaluate the utility of treating asymptomatic CVS in high-grade aneurysmal subarachnoid hemorrhage.Copyright © 2022 Elsevier Inc. All rights reserved.

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