Somatosensory evoked potentials in lacunar syndromes |
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Authors: | G. Abbruzzese G. Bino D. Dall'Agata M. Morena A. Primavera E. Favale |
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Affiliation: | (1) Department of Neurology, University of Genoa, Via de Toni 5, I-16132 Genoa, Italy |
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Abstract: | Summary Parietal and prerolandic somatosensory evoked potentials (SEPs) to median nerve stimulation were recorded from 40 patients with lacunar syndromes due to CT-verified lacunar infarcts. The control group consisted of 30 age-matched normal controls. Nineteen patients showed SEP abnormalities, mainly an increase of height-covariated latency of cortical components and/or of the central conduction time. Such changes occurred independently of the clinical features of lacunar syndromes, being related more to the lesion location than to its size. SEP studies may be a useful adjunct to the clinical diagnosis of lacunar infarct, possibly also when the CT scans are normal. |
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Keywords: | Lacunar syndromes Somatosensory evoked potentials Parietal pattern Prerolandic pattern Computed tomography |
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