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Open AccessArticle

Association Between Quantitative Electroencephalogram Frequency Composition and Post-Surgical Evolution in Pharmacoresistant Temporal Lobe Epilepsy Patients

1
Hospital Clínico Quirúrgico Hermanos Ameijeiras, Havana 10400, Cuba
2
Centro Internacional de Rehabilitación Neurológica, Havana 10400, Cuba
*
Author to whom correspondence should be addressed.
Behav. Sci. 2019, 9(3), 23; https://doi.org/10.3390/bs9030023
Received: 9 January 2019 / Revised: 5 February 2019 / Accepted: 27 February 2019 / Published: 4 March 2019
(This article belongs to the Special Issue From Basic to Clinical in Behavioral Disorders)
The purpose of this paper is to estimate the association between quantitative electroencephalogram frequency composition (QEEGC) and post-surgical evolution in patients with pharmacoresistant temporal lobe epilepsy (TLE) and to evaluate the predictive value of QEEGC before and after surgery. A prospective, longitudinal study was made at International Neurological Restoration Center, Havana, Cuba. Twenty-nine patients with TLE submitted to epilepsy surgery were evaluated before surgery, and six months and two years after. They were classified as unsatisfactory and satisfactory post-surgical clinical evolution using the Modified Engels Scale. Eighty-seven electroencephalograms with quantitative narrow- and broad-band measures were analyzed. A Mann Whitney test (p > 0.05) showed that QEEGC before surgery was similar between groups independently of two years post-surgical evolution. A Mann Whitney test (p ˂ 0.05) showed that subjects with two years satisfactory post-surgical evolution had greater alpha power compared to subjects with two years unsatisfactory post-surgical evolution that showed greater theta power. A Wilcoxon test (p ˂ 0.05) showed that alpha and theta power increased for two groups from pre-surgical state to post-surgical state. Logit regression (p ˂ 0.05) showed that six months after surgery, quantitative electroencephalogram frequency value with the greatest power at occipital regions shows predictive value for two years evolution. QEEGC can be a tool to predict the outcome of epilepsy surgery. View Full-Text
Keywords: temporal lobe epilepsy; surgery; quantitative electroencephalogram; post-surgical evolution temporal lobe epilepsy; surgery; quantitative electroencephalogram; post-surgical evolution
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Valdés Sedeño, R.R.; Morales Chacón, L.M.; Sánchez Coroneux, A. Association Between Quantitative Electroencephalogram Frequency Composition and Post-Surgical Evolution in Pharmacoresistant Temporal Lobe Epilepsy Patients. Behav. Sci. 2019, 9, 23.

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