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Journal article
Significance of interictal occipital epileptiform discharges in children
Epileptic disorders, v 12(1)
01 Mar 2010
PMID: 20194082
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Abstract
Objective. Interictal occipital epileptiform abnormalities have not been well characterized. The objective of this pilot study was to assess their significance in children. Methods. A search was performed on the EEG database for the keywords "occipital", "spike", "sharp wave" and "epileptiform". Patients were divided into two groups based on the absence of all (group 1) or presence of any (group 2) of the following criteria: mental retardation, cerebral palsy, neurological deficits, abnormal MRI and/or intractable epilepsy. Special attention was given to the spike/sharp wave amplitude/duration and background slowing. Results. A total of 44 children (eight months to 15 years) were studied. Groups 1 and 2 were each composed of 22 children. Background slowing was more frequent in group 2 (10/22, 45%) compared to group 1 (1/22, 4.5%; p = 0.002). In group 2, 8/22 (36%) had spikes or sharp waves with amplitudes below 50 mu V or above 150 mu V with a positive predictive value of 89%, and a negative predictive value of 39%. Only 1/22 (4.5%) in group 1 had epileptiform activity outside of the 50-150 mu V range. Conclusions. The presence of very high or low-amplitude occipital epileptiform abnormalities or background slowing may be indicative of encephalopathy.
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Details
- Title
- Significance of interictal occipital epileptiform discharges in children
- Creators
- Chunyang Wang - Hahnemann University HospitalDivya S. Khurana - St. Christopher's Hospital for ChildrenSanjeev V. Kothare - St. Christopher's Hospital for ChildrenAgustin Legido - St. Christopher's Hospital for ChildrenGeoffrey Harrison - St. Christopher's Hospital for ChildrenKaren S. Carvalho - St. Christopher's Hospital for ChildrenIgnacio Valencia - Drexel University
- Publication Details
- Epileptic disorders, v 12(1)
- Publisher
- John Libbey Eurotext Ltd
- Number of pages
- 6
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Pediatrics
- Web of Science ID
- WOS:000276139700008
- Scopus ID
- 2-s2.0-77952308179
- Other Identifier
- 991019169184004721
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- Web of Science research areas
- Clinical Neurology