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[Status epilepticus in the infant. Semeiologic, etiologic and prognostic aspects]
Insights
Status epilepticus (SE) in infants aged 1 month to 2 years is often linked to acute brain injury, especially for prolonged seizures. Cryptogenic causes are more common in shorter SE cases.
Area of Science:
- Pediatric Neurology
- Epileptology
Context:
- Status epilepticus (SE) is a neurological emergency in infants.
- Understanding SE etiology and outcomes in young children is crucial.
Purpose:
- To analyze the clinical characteristics, causes, and outcomes of status epilepticus in infants.
- To differentiate between acute brain injury and cryptogenic causes of SE.
Summary:
- A 4-year study of 79 infants (1 month–2 years) with SE found generalized tonic-clonic or unilateral clonic seizures were most common.
- Prolonged SE (>6 hours) was associated with acute brain injury, while shorter SE (≤1 hour) was often cryptogenic.
- Neurological status worsened post-SE in only 2 cases; the study emphasizes clinical characteristics for etiological diagnosis.
Impact:
- Provides insights into SE in infants, aiding in etiological diagnosis and management.
- Highlights the association between SE duration, brain injury, and seizure origin.
- Contributes to understanding the prognosis and potential sequelae of SE in this age group.
Abstract:
During a 4 year period, 79 infants aged from 1 month to 2 years suffered a status epilepticus (SE). The seizures were most often either generalized of tonic-clonic or clonic type, or unilateral clonic; they lasted or were repeated with persistent unconsciousness between the seizures for periods ranging from 30 min to several days. All the cases of SE lasting over 6 h resulted from a recognizable acute brain injury, whereas 11 of 14 cases lasting 1 h or less were cryptogenic. In 2 cases only, the neurological status was worse after the status, apparently as a result of the seizures themselves. The authors discuss the hypothesis of purely febrile HH syndrome and point out the importance of detailed clinical ictal and interictal characteristics for the etiological approach.