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  • Title: Neurobehavioral abnormalities may correlate with increased seizure burden in children with Panayiotopoulos syndrome.
    Author: Hirano Y, Oguni H, Funatsuka M, Imai K, Osawa M.
    Journal: Pediatr Neurol; 2009 Jun; 40(6):443-8. PubMed ID: 19433278.
    Abstract:
    Prognostic factors for frequent seizure recurrences were studied in patients with Panayiotopoulos syndrome. The subjects were 79 children fulfilling the criteria of Panayiotopoulos syndrome who were monitored for longer than 2 years. Medical records and electroencephalograms were analyzed retrospectively. The total number of seizures in each patient at the final follow-up ranged from 1 to 22. The 79 patients were classified into three groups: typical Panayiotopoulos syndrome (seizure recurrence = 1-5 times, n = 45), borderline (6-9 times, n = 16), and atypical (>10 times, n = 18). Data analyzed included family history of seizure disorders, peri- and postnatal complications, previous seizure histories, age at epilepsy onset, clinical seizure manifestations, the frequency of status epilepticus, interictal electroencephalographic patterns, and the possible association of neurobehavioral disorders among the three groups. An association with pre-existing neurobehavioral disorders was significantly more frequent in the atypical than in the typical group (P < 0.05), but not significantly different between the typical and borderline or between the borderline and atypical patients (P> 0.05). In patients with Panayiotopoulos syndrome and pre-existing mild neurobehavioral disorders, seizures tend to be pharmacoresistant and to repeat more than 10 times. However, all patients experience seizure remission by 12 years of age, and should not be evaluated for surgery.
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