Epilepsy research · 2020
Acute symptomatic seizures in intracerebral and subarachnoid hemorrhage: A population study of 19,331 patients.
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Zöllner Johann Philipp, Konczalla Jürgen, Stein Marco, Roth Christian, Krakow Karsten, Kaps Manfred, Steinmetz Helmuth, Rosenow Felix, Misselwitz Björn, Strzelczyk Adam
Аннотация
BACKGROUND: Risk factors for acute symptomatic seizures after stroke demonstrated in retrospective analyses should be confirmed in large population studies. While seizures following ischemic stroke have been studied intensively, less is known about seizure predictors in hemorrhagic stroke. This study sought to identify risk factors of acute symptomatic seizures and to elucidate associated short-term (in-hospital) morbidity and mortality rates in primary intracerebral hemorrhage (ICH) and subarachnoid hemorrhage (SAH).
METHODS: We determined the frequency of all acute symptomatic seizures perceived by clinical staff after hemorrhagic stroke in a large population-based registry in a central European region between 2004 and 2016. Further, we analyzed risk factors for seizure occurrence, morbidity, and mortality in univariate and multivariate analyses.
RESULTS: Of 297,120 stroke patients, 19,331 experienced a hemorrhagic stroke. Frequency of acute seizures (without semiological differentiation) in this subpopulation was 4% (4.0% in ICH and 3.6% in SAH). The risk for acute symptomatic seizures was significantly increased in both stroke types in the presence of an acute non-neurological infection (odds ratio: 2.0 for ICH and 4.2 for SAH). A lower premorbid functional level also significantly increased the seizure risk (odds ratio: 2.0 for ICH and 3.1 for SAH). The odds of in-hospital mortality in the presence of acute seizures were significantly reduced in ICH patients (odds ratio: 0.7) but not in SAH patients.
CONCLUSION: Acute symptomatic seizures are equally common in ICH and SAH patients in this registry. Seizure risk is invariably increased in the presence of acute non-neurological infection. Mortality is reduced in ICH patients with seizures, but the exact reason for this relationship is not clear and might represent a biased finding.
METHODS: We determined the frequency of all acute symptomatic seizures perceived by clinical staff after hemorrhagic stroke in a large population-based registry in a central European region between 2004 and 2016. Further, we analyzed risk factors for seizure occurrence, morbidity, and mortality in univariate and multivariate analyses.
RESULTS: Of 297,120 stroke patients, 19,331 experienced a hemorrhagic stroke. Frequency of acute seizures (without semiological differentiation) in this subpopulation was 4% (4.0% in ICH and 3.6% in SAH). The risk for acute symptomatic seizures was significantly increased in both stroke types in the presence of an acute non-neurological infection (odds ratio: 2.0 for ICH and 4.2 for SAH). A lower premorbid functional level also significantly increased the seizure risk (odds ratio: 2.0 for ICH and 3.1 for SAH). The odds of in-hospital mortality in the presence of acute seizures were significantly reduced in ICH patients (odds ratio: 0.7) but not in SAH patients.
CONCLUSION: Acute symptomatic seizures are equally common in ICH and SAH patients in this registry. Seizure risk is invariably increased in the presence of acute non-neurological infection. Mortality is reduced in ICH patients with seizures, but the exact reason for this relationship is not clear and might represent a biased finding.