Journal of neurosurgical sciences · 2022
Risk factors associated with vasospasm after non-traumatic subarachnoid hemorrhage: a retrospective analysis of 456 patients.
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Joos Gunther S, Gottschalk Antje, Ewelt Christian, Holling Markus, Stummer Walter, Englbrecht Jan S
Аннотация
BACKGROUND: The pathophysiology of vasospasm (VS) after non-traumatic subarachnoid hemorrhage is not completely understood. Several risk factors associated with VS were previously reported, partially with conflicting results. The aim of this study was to identify patients at increased risk for VS.
METHODS: Retrospective analysis of data from all patients treated in our institutional intensive care unit (ICU) between 2010 and 2016 after non-traumatic subarachnoid hemorrhage. Possible contributing factors for VS studied were: age, sex, aneurysm-localization, treatment option, ICU-stay, ICU mortality, pre-existing condition, medication history, World Federation of Neurosurgical Societies (WFNS) grading system, modified Fisher scale.
RESULTS: We obtained data from 456 patients. 184 were male and 272 female patients, respectively. Mean age was 57.7±13.9 and was not different between sexes. In 119 patients, VS was diagnosed after subarachnoid hemorrhage. Incidence of VS was not different between sexes (male: 22.3%, female: 28.7%, P=0.127). Patients with VS were significantly younger (mean age 52.2 vs. 59.7, P<0.001), meanwhile patients aged 36-40 yrs. had the highest incidence of VS. Most VS were found after rupture of middle cerebral artery-aneurysms. Higher incidence of VS was found after aneurysm clipping compared to coiling. VS developed more often in patients with more severe WFNS grade and Fisher scale. In multivariate analysis, age, previous drug abuse and history of anticoagulants were associated with the incidence of VS.
CONCLUSIONS: Younger age, middle cerebral artery-aneurysms, aneurysm clipping, previous drug abuse and history of anticoagulants were associated with a higher incidence of VS after non-traumatic subarachnoid hemorrhage. No gender difference was found.
METHODS: Retrospective analysis of data from all patients treated in our institutional intensive care unit (ICU) between 2010 and 2016 after non-traumatic subarachnoid hemorrhage. Possible contributing factors for VS studied were: age, sex, aneurysm-localization, treatment option, ICU-stay, ICU mortality, pre-existing condition, medication history, World Federation of Neurosurgical Societies (WFNS) grading system, modified Fisher scale.
RESULTS: We obtained data from 456 patients. 184 were male and 272 female patients, respectively. Mean age was 57.7±13.9 and was not different between sexes. In 119 patients, VS was diagnosed after subarachnoid hemorrhage. Incidence of VS was not different between sexes (male: 22.3%, female: 28.7%, P=0.127). Patients with VS were significantly younger (mean age 52.2 vs. 59.7, P<0.001), meanwhile patients aged 36-40 yrs. had the highest incidence of VS. Most VS were found after rupture of middle cerebral artery-aneurysms. Higher incidence of VS was found after aneurysm clipping compared to coiling. VS developed more often in patients with more severe WFNS grade and Fisher scale. In multivariate analysis, age, previous drug abuse and history of anticoagulants were associated with the incidence of VS.
CONCLUSIONS: Younger age, middle cerebral artery-aneurysms, aneurysm clipping, previous drug abuse and history of anticoagulants were associated with a higher incidence of VS after non-traumatic subarachnoid hemorrhage. No gender difference was found.