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The prognosis of benign localized epilepsy in early childhood
Insights
Early onset benign partial epilepsy (BPEC) in children may lead to a longer epilepsy duration and more seizures. However, this typically does not impact cognitive abilities, though drug therapy may be more frequently needed.
Area of Science:
- Neurology
- Pediatric Epilepsy
Background:
- Benign partial (localization-related) epilepsy (BPEC) can manifest in early childhood.
- EEG patterns in BPEC can change over time, blurring syndrome distinctions.
Observation:
- Electroclinical patterns in BPEC often overlap, with sharp wave morphology being more critical than seizure focus.
- Complete remission is common in BPEC patients with rolandic and/or extrarolandic foci.
Findings:
- Early onset BPEC is associated with a longer active epilepsy period and a higher total seizure count.
- While cognitive abilities are generally unaffected, early onset BPEC may necessitate more frequent drug therapy.
- Rarely, BPEC onset in childhood can be a risk factor for developing a different epileptic syndrome later in life, such as generalized idiopathic epilepsy.
Implications:
- Understanding early BPEC onset is crucial for predicting epilepsy course and management.
- BPEC in early childhood may serve as a risk factor for late-onset epilepsy.
- Long-term epilepsy duration and seizure frequency in early-onset BPEC do not appear to impair children's cognitive development.
Abstract:
Onset of seizures during early childhood is a not infrequent possibility in benign partial (localization-related) epilepsy (BPEC) when all these syndromes and not only benign partial epilepsy with centrotemporal spikes are considered. In patients followed up for long periods of time, temporal changes in the EEG often make impossible a distribution into discrete syndromes. The electroclinical patterns overlap and the determining factor is not the location but the morphology of the sharp waves. A complete remission is observed in all patients, with rolandic and/or extrarolandic foci. In rare patients, seizures occur during adolescence or later and an early onset is a possible risk factor for such an outcome. It is not a relapse of BPEC but another epileptic syndrome, usually a generalized idiopathic epilepsy. BPEC may be considered as a risk factor for late epilepsy. Patients with an early onset of BPEC tend to have a longer active period of epilepsy and a higher total number of seizures, whatever is the EEG pattern. But neither frequent seizures nor a long seizure period impair the children's abilities. Nonetheless, when BPEC begins in early childhood, the patient is prone to experience frequent seizures during several years. Drug therapy is advisable more often than in BPEC with a later onset.