Computed tomographic changes of the brain and clinical outcome of patients with seizures and epilepsy after an ischaemic hemispheric stroke
Identifieur interne : 000860 ( Main/Exploration ); précédent : 000859; suivant : 000861Computed tomographic changes of the brain and clinical outcome of patients with seizures and epilepsy after an ischaemic hemispheric stroke
Auteurs : J. De Reuck ; I. Claeys ; S. Martens ; Ph. Vanwalleghem ; G. Van Maele [Belgique] ; R. Phlypo [Belgique] ; H. Hallez [Belgique]Source :
- European Journal of Neurology [ 1351-5101 ] ; 2006-04.
English descriptors
- KwdEn :
Abstract
It is not well established whether seizures and epilepsy after an ischaemic stroke increase the disability of patients. Seventy‐two patients with delayed seizures after a hemispheric infarct (37 with a single seizure and 35 with epilepsy) were included in the study. The modified Rankin scale was used to compare disability of the patients at 1 month after stroke and at 2 weeks after single or the last seizure, in case of epilepsy. The size of the X‐ray hypoattenuation zone was compared on computed tomographic (CT) scans, performed in the weeks after the stroke and 1 week after single or repeated seizures. Lesion size was determined by superimposing the CT slices on digital cerebral vascular maps, on which the contours of the infarct area were delineated. The extent of the infarcts was expressed as the percentage fraction of the total surface area of the cerebral hemisphere. Groups with a single seizure and with epilepsy were mutually compared. Infarcts predominated in the parieto‐temporal cortical regions. In the overall group the median Rankin score worsened significantly after seizures. The average size of the X‐ray hypoattenuation zone was also significantly increased on the CT scans after the seizures, compared with those after stroke, without clear evidence of recent infarction. Mutual comparison of patients with a single seizure episode and of those with epilepsy showed only a trend of more severe disability and of increase in lesion size in the post‐stroke epilepsy group. Delayed seizures and epilepsy after ischaemic stroke are accompanied by an increase in lesion size on CT and by worsening of the disability of the patients. This study does not allow to determine whether this is due to stroke recurrence or due to additional damage as a result of the seizures themselves.
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DOI: 10.1111/j.1468-1331.2006.01253.x
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Seventy‐two patients with delayed seizures after a hemispheric infarct (37 with a single seizure and 35 with epilepsy) were included in the study. The modified Rankin scale was used to compare disability of the patients at 1 month after stroke and at 2 weeks after single or the last seizure, in case of epilepsy. The size of the X‐ray hypoattenuation zone was compared on computed tomographic (CT) scans, performed in the weeks after the stroke and 1 week after single or repeated seizures. Lesion size was determined by superimposing the CT slices on digital cerebral vascular maps, on which the contours of the infarct area were delineated. The extent of the infarcts was expressed as the percentage fraction of the total surface area of the cerebral hemisphere. Groups with a single seizure and with epilepsy were mutually compared. Infarcts predominated in the parieto‐temporal cortical regions. In the overall group the median Rankin score worsened significantly after seizures. The average size of the X‐ray hypoattenuation zone was also significantly increased on the CT scans after the seizures, compared with those after stroke, without clear evidence of recent infarction. Mutual comparison of patients with a single seizure episode and of those with epilepsy showed only a trend of more severe disability and of increase in lesion size in the post‐stroke epilepsy group. Delayed seizures and epilepsy after ischaemic stroke are accompanied by an increase in lesion size on CT and by worsening of the disability of the patients. This study does not allow to determine whether this is due to stroke recurrence or due to additional damage as a result of the seizures themselves.</div></front></TEI><affiliations><list><country><li>Belgique</li></country><region><li>Province de Flandre-Orientale</li><li>Région flamande</li></region><settlement><li>Gand</li></settlement><orgName><li>Université de Gand</li></orgName></list><tree><noCountry><name sortKey="Claeys, I" sort="Claeys, I" uniqKey="Claeys I" first="I." last="Claeys">I. Claeys</name><name sortKey="Martens, S" sort="Martens, S" uniqKey="Martens S" first="S." last="Martens">S. Martens</name><name sortKey="Reuck, J De" sort="Reuck, J De" uniqKey="Reuck J" first="J. De" last="Reuck">J. De Reuck</name><name sortKey="Vanwalleghem, Ph" sort="Vanwalleghem, Ph" uniqKey="Vanwalleghem P" first="Ph." last="Vanwalleghem">Ph. 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