【摘 要】
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Purpose:The main objective of our study is to assess the risks and predict the early and late occurrence of seizure after first-ever stroke.Methods:We retrospectively studied 2474 consecutive patients
【机 构】
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Department of Neurology,Provincial Hospital Affiliated to Shandong University,250021 Jinan,Shandong
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Purpose:The main objective of our study is to assess the risks and predict the early and late occurrence of seizure after first-ever stroke.Methods:We retrospectively studied 2474 consecutive patients with initial stroke in China during an 11-year period (1997 to 2007).All patients were evaluated and treated as inpatients in the same period after first-ever stroke.We investigated 24 clinical and radiological indexes.Odds ratio (OR) and 95% confidence interval after adjustment for possible confounding variables were calculated by logistic regression.Results:232 (11.1%) of these stroke patients developed seizures during a mean follow-up period of 18 months,with 123 experienced early-onset and 109 late-onset seizures.The independent risk factors for early post-stroke seizure were large lesion (OR=9.36),subarachnoid hemorrhage (OR=5.28),initial electrolyte disturbance (OR=2.10),and cortical involvement of the stroke (OR=1.33).The independent risk factors for late post-stroke seizure were cortical involvement (OR=11.84) and large lesion (OR=1.87).In the univariate analysis,hypertension was associated with late seizures (2=6.092,P=0.014),whereas it lost its significance as an independent risk factor for late seizures in the multivariate analysis.Conclusions:The decisive factors associated with early post-stroke seizure are large lesion,subarachnoid hemorrhage and cortical involvement.Surprisingly,electrolyte disturbance in stroke patients also predicts seizure.We attribute these seizures to cerebral cellular biochemical dysfunction associated with stroke.Cortical involvement is the main risk factor for late post-stroke seizure.
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