PMID- 11077464 OWN - NLM STAT- MEDLINE DCOM- 20010111 LR - 20190813 IS - 0013-9580 (Print) IS - 0013-9580 (Linking) VI - 41 IP - 11 DP - 2000 Nov TI - Frontal nonconvulsive status epilepticus associated with high-dose tiagabine therapy in a child with familial bilateral perisylvian polymicrogyria. PG - 1485-8 AB - PURPOSE: Antiepileptic drugs are known to exacerbate absence and myoclonic seizures, especially in patients with idiopathic generalized epilepsies. Exacerbation of nonconvulsive generalized seizures in patients with partial epilepsy is less common. Recently, however, a number of cases of putative generalized nonconvulsive status epilepticus (NCSE) or NCSE without further specification have been reported in patients with chronic partial epilepsy treated with the gamma-aminobutyric acid reuptake inhibitor tiagabine. Although complex partial status epilepticus during tiagabine therapy has also been reported, possible precipitation of NCSE specifically associated with frontal lobe discharges does not appear to have been recognized. In this communication, we describe the case of a boy with familial bilateral perisylvian polymicrogyria who developed frontal NCSE after being stabilized on high-dose tiagabine METHODS: A 12-year-old boy with familial bilateral perisylvian polymicrogyria, mental retardation, and refractory partial seizures was administered tiagabine in addition to sodium valproate. The tiagabine dosage was increased gradually up to 10 mg t.i.d. (1 mg/kg per day), resulting in complete seizure control. RESULTS: After 1 week on maintenance treatment, seizures were completely controlled, but the child developed hypoactivity, decreased reactivity, and affective detachment. An EEG recording revealed subcontinuous sharp-wave discharges with irregular runs of atypical spike-wave complexes over the anterior regions of both hemispheres, consistent with a diagnosis of frontal NCSE. A reduction in tiagabine dosage to 15 mg/day led to complete regression of the behavioral and affective changes and to disappearance of the subcontinuous EEG discharges. CONCLUSIONS: Although tiagabine-induced NCSE has been described previously, particularly in patients with preexisting spike-wave abnormalities, this is the first report that identifies its potential role in the precipitation of frontal NCSE. FAU - Piccinelli, P AU - Piccinelli P AD - Child Neuropsychiatry Unit, University of Insubria, "Fondazione Macchi" Hospital, Varese, Italy. ppiccine@tin.it FAU - Borgatti, R AU - Borgatti R FAU - Perucca, E AU - Perucca E FAU - Tofani, A AU - Tofani A FAU - Donati, G AU - Donati G FAU - Balottin, U AU - Balottin U LA - eng PT - Case Reports PT - Journal Article PL - United States TA - Epilepsia JT - Epilepsia JID - 2983306R RN - 0 (Anticonvulsants) RN - 0 (Nipecotic Acids) RN - Z80I64HMNP (Tiagabine) SB - IM MH - Anticonvulsants/*adverse effects/therapeutic use MH - Brain/*abnormalities MH - Child MH - Dose-Response Relationship, Drug MH - Drug Administration Schedule MH - Electroencephalography/statistics & numerical data MH - Epilepsies, Partial/*drug therapy MH - Epilepsy, Frontal Lobe/*chemically induced/diagnosis MH - Humans MH - Male MH - Nipecotic Acids/*adverse effects/therapeutic use MH - Status Epilepticus/*chemically induced/diagnosis MH - Tiagabine EDAT- 2000/11/15 11:00 MHDA- 2001/02/28 10:01 CRDT- 2000/11/15 11:00 PHST- 2000/11/15 11:00 [pubmed] PHST- 2001/02/28 10:01 [medline] PHST- 2000/11/15 11:00 [entrez] AID - 10.1111/j.1528-1157.2000.tb00126.x [doi] PST - ppublish SO - Epilepsia. 2000 Nov;41(11):1485-8. doi: 10.1111/j.1528-1157.2000.tb00126.x.