Padrão eletrográfico ictal subclínico em um caso de epilepsia parcial benigna da infância com pontas centro-temporais

Andrade, Daniela Oliveira de

doi:10.1590/s0004-282x2005000200033

Cited by 4 publications

(1 citation statement)

References 10 publications

(14 reference statements)

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“…2,3,5,15 On the other hand, EEG seizure patterns unaccompanied by clinical epileptic manifestations detected by the observer (subclinical EEG seizure patterns) have been reported. 15 –17…”

Section: Discussionmentioning

confidence: 99%

Benign Childhood Epilepsy with Centrotemporal Spikes: An Ictal EEG

2009

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Benign childhood epilepsy with centrotemporal spikes (BECTS) is common during childhood, but there are few reports in the literature recording the EEG during a seizure. We studied an 8-year-old boy with oropharyngeal seizures during wakefulness and sleep. Both his neuropsychomotor development and neurological examination were normal. While awake, the subjects's electroencephalogram (EEG) showed normal background activity and epileptiform activity characterized by spikes in the temporal regions (mid and anterior), central region of the right cerebral hemisphere and in the median central and parietal regions. During sleep, his EEG recorded an epileptic seizure that lasted 46 seconds. In the initial phase, the EEG showed an increase in the number of spikes with higher potential in the median central and parietal regions, followed by slow waves associated with the increase in slow waves in the right hemisphere. This was followed by a brief decrease in amplitude of the background activity, and then by rhythmic, diffuse discharges predominantly in the right centrotemporal region, of sharp waves at 12-13 Hz, with increasing potential. Slow waves of high amplitude then occurred for 5 seconds, and finally very high potential spikes reappeared in the central and temporal regions of the right cerebral hemisphere with normalization of the background activity. During these critical phases of the EEG, clonic lip movements and pouting could be observed with the mouth locked shut, associated with "throat noises," but there were no other motor manifestations. The child did not wake up during the seizure and there were no postictal signs or symptoms. Although there are some aspects in common in recordings of BECTS seizures, such as a reduction in amplitude followed by rhythmic discharges of increasing amplitude, differences exist that possibly correspond to the diverse characteristics of the electrical generators.

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Section: Discussionmentioning

confidence: 99%

Benign Childhood Epilepsy with Centrotemporal Spikes: An Ictal EEG

2009

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Seizures in self-limited epilepsy with centrotemporal spikes: video-EEG documentation

et al. 2020

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Ictal EEG patterns in epilepsy with centro-temporal spikes

Capovilla

Beccaria

Bianchi

et al. 2011

Brain and Development

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Purpose: To describe the EEG pattern of seizures in patients with benign childhood epilepsy with centro-temporal spikes (BCECTS). Methods: The clinical and EEG data of 701 BCECTS patients with at least a 3 years follow-up were reviewed from 10 epilepsy centers. Results: Thirty-four seizures were recorded in 30 patients. Four different ictal EEG patterns (A-D) were identified. The most frequent (pattern A) was characterized by low voltage activity of fast rhythmic spikes, increasing in amplitude and decreasing in frequency, and occurred in 14 children. Pattern B (six patients) was constituted by a discharge of spikes intermixed with sharp waves increasing in frequency and amplitude. Pattern C (seven children) consisted of monomorphic theta which progressively formed a discharge increasing in amplitude and decreasing in frequency. Pattern D (5 children) was characterized by a initial focal depression of the electrical activity, followed by one of the three above described patterns. In 21 out of 28 children, the initial ictal pattern, altered from one pattern to another one. No clinical or EEG feature was predictive of a specific ictal pattern. Discussion: We failed to identify a unique ictal EEG pattern in our patients with BCECTS. The occurrence of per-ictal features, e.g., initial EEG depression or postictal slowing, is common and should not be interpreted with prejudice. Alteration of ictal EEG pattern from one to another is not in conflict with the diagnosis of BCECTS.

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Padrão eletrográfico ictal subclínico em um caso de epilepsia parcial benigna da infância com pontas centro-temporais

Cited by 4 publications

References 10 publications

Benign Childhood Epilepsy with Centrotemporal Spikes: An Ictal EEG

Benign Childhood Epilepsy with Centrotemporal Spikes: An Ictal EEG

Seizures in self-limited epilepsy with centrotemporal spikes: video-EEG documentation

Ictal EEG patterns in epilepsy with centro-temporal spikes

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