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SPECT cerebral interictal em pacientes com epilepsia do lobo temporal de difícil controle

DOI: 10.1590/S0004-282X2002000500019

Keywords: brain spect, temporal lobe epilepsy, refractory epilepsy, fuzzy logics.

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the objective of this study was to evaluate the utility of interictal brain spect in localizing the epileptogenic focus in a population of patients of epilepsy clinic of hospital universitário clementino fraga filho (hucff/ufrj), with medically refractory temporal lobe epilepsy (tle) and normal computed tomography (ct) scans, studying the correlation between spect, electroencephalogram (eeg) and, in 11 cases, brain magnectic resonance imaging (mri), and to compare the results to the other six literatura series. twelve (52.2%) patients presented abnormal spect. among these, five (41.6% of abnormal spects) presented unilateral spect changes at the same side of eeg (hypoperfusion in four and hyperperfusion in one), three (25% of abnormal spects) presented bilateral hypoperfusion and bilateral eeg changes too, and four (33.3%) presented unilateral hypoperfusion and bilateral eeg changes. the statistical analysis was based on fuzzy logic. the correlation index among spect x eeg, spect x mri and spect x eeg x mri were highly significant, with signifcance levels at 0.01, p < 0.0005 and trust interval at 99% in all correlations. the correlation studies between the series presented similar results.


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