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      Early EEG predicts poststroke epilepsy.

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          Abstract

          Electroencephalography (EEG) can identify biomarkers of epileptogenesis and ictogenesis. However, few studies have used EEG in the prediction of poststroke seizures. Our primary aim was to evaluate whether early EEG abnormalities can predict poststroke epilepsy.

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          Most cited references28

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          Guidelines for Management of Ischaemic Stroke and Transient Ischaemic Attack 2008

          This article represents the update of the European Stroke Initiative Recommendations for Stroke Management. These guidelines cover both ischaemic stroke and transient ischaemic attacks, which are now considered to be a single entity. The article covers referral and emergency management, Stroke Unit service, diagnostics, primary and secondary prevention, general stroke treatment, specific treatment including acute management, management of complications, and rehabilitation.
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            Classification and natural history of clinically identifiable subtypes of cerebral infarction.

            We describe the incidence and natural history of four clinically identifiable subgroups of cerebral infarction in a community-based study of 675 patients with first-ever stroke. Of 543 patients with a cerebral infarct, 92 (17%) had large anterior circulation infarcts with both cortical and subcortical involvement (total anterior circulation infarcts, TACI); 185 (34%) had more restricted and predominantly cortical infarcts (partial anterior circulation infarcts, PACI); 129 (24%) had infarcts clearly associated with the vertebrobasilar arterial territory (posterior circulation infarcts, POCI); and 137 (25%) had infarcts confined to the territory of the deep perforating arteries (lacunar infarcts, LACI). There were striking differences in natural history between the groups. The TACI group had a negligible chance of good functional outcome and mortality was high. More than twice as many deaths were due to the complications of immobility than to direct neurological sequelae of the infarct. Patients in the PACI group were much more likely to have an early recurrent stroke than were patients in other groups. Those in the POCI group were at greater risk of a recurrent stroke later in the first year after the index event but had the best chance of a good functional outcome. Despite the small anatomical size of the infarcts in the LACI group, many patients remained substantially handicapped. The findings have important implications for the planning of stroke treatment trials and suggest that various therapies could be directed specifically at the subgroups.
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              Functional recovery after ischemic stroke--a matter of age: data from the Austrian Stroke Unit Registry.

              To analyze the association between patient age and good functional outcome after ischemic stroke with special focus on young patients who were numerically underrepresented in previous evaluations. Of 43,163 ischemic stroke patients prospectively enrolled in the Austrian Stroke Unit Registry, 6,084 (14.1%) were ≤55 years old. Functional outcome was available in a representative subsample of 14,256 patients free of prestroke disability, 2,223 of whom were 55 years or younger. Herein we analyzed the effects of age on good functional outcome 3 months after stroke (modified Rankin Scale score ≤2). Good outcome was achieved in 88.2% (unadjusted probability) of young stroke patients (≤55 years). In multivariable analysis, age emerged as a significant predictor of outcome independent of stroke severity, etiology, performance of thrombolysis, sex, risk factors, and stroke complications. When the age stratum 56-65 years was used as a reference, odds ratios (95% confidence interval [95% CI]) of good outcome were 3.4 (1.9-6.4), 2.2 (1.6-3.2), and 1.5 (1.2-1.9) for patients aged 18-35, 36-45, and 46-55 years and 0.70 (0.60-0.81), 0.32 (0.28-0.37), and 0.18 (0.14-0.22) for those aged 66-75, 76-85, and >85 years (p < 0.001). In absolute terms, the regression-adjusted probability of good outcome was highest in the age group 18-35 years and gradually declined by 3.1%-4.2% per decade until age 75 with a steep drop thereafter. Findings applied equally to sexes and patients with and without IV thrombolysis or diabetes. Age emerged as a highly significant inverse predictor of good functional outcome after ischemic stroke independent of stroke severity, characteristics, and complications with the age-outcome association exhibiting a nonlinear scale and extending to young stroke patients.
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                Author and article information

                Journal
                Epilepsia Open
                Epilepsia open
                Wiley
                2470-9239
                2470-9239
                Jun 2018
                : 3
                : 2
                Affiliations
                [1 ] EEG/Sleep Laboratory / Stroke Unit Department of Neurosciences and Mental Health (Neurology) Santa Maria Hospital - North Lisbon Hospitalar Centre Lisbon Portugal.
                [2 ] Faculty of Medicine University of Lisbon Lisbon Portugal.
                [3 ] Department of Medicine São José Hospital - Central Lisbon Hospitalar Centre Lisbon Portugal.
                [4 ] Department of Neuroradiology Santa Maria Hospital - North Lisbon Hospitalar Centre Lisbon Portugal.
                [5 ] Eletroencefalography and Clinic Neurophysiology Centre (CENC) Lisbon Portugal.
                Article
                EPI412103
                10.1002/epi4.12103
                5983181
                29881799
                725c9db9-c447-46a5-a18e-d084ecef58b2
                History

                EEG,Ischemic stroke,Prediction,Epileptic seizures
                EEG, Ischemic stroke, Prediction, Epileptic seizures

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