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Fifty patients(4.2%)had seizures within 14 days of the stroke.In the multivariate analyses,only initial stroke severity was related to ES; stroke type and lesion localization were not related.For each 10 point increase in stroke severity(SSS score),the relative risk of ES increased by a factor of 1.65(95%confidence interval,1.4 to 1.9).ES did not influence the risk of death during hospital stay.In survivors,ES was related to a better outcome,equivalent to an increased SSS score of 5.7 points.The decisive factor of ES was initial stroke severity.ES per se was not related to mortality.Surprisingly,in survivors,ES predicted a better outcome.We explain this findings by a relatively larger ischemic penumbra in patients who have an ES after a stroke. |
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