Elevated basal glutamate and unchanged glutamine and GABA in refractory epilepsy: Microdialysis study of 79 patients at the yale epilepsy surgery program
Çavuş I, Romanyshyn JC, Kennard JT, Farooque P, Williamson A, Eid T, Spencer SS, Duckrow R, Dziura J, Spencer DD. Elevated basal glutamate and unchanged glutamine and GABA in refractory epilepsy: Microdialysis study of 79 patients at the yale epilepsy surgery program. Annals Of Neurology 2016, 80: 35-45. PMID: 27129611, DOI: 10.1002/ana.24673.Peer-Reviewed Original ResearchConceptsGABA levelsEpilepsy patientsΓ-aminobutyric acid (GABA) neurotransmissionGlutamine levelsGABAergic antiepileptic drugsEpilepsy surgery programRefractory epilepsy patientsCommon pathological featureAberrant glutamateAnn NeurolNonepileptogenic cortexSeizure-onset sitesRefractory epilepsyBasal glutamateAntiepileptic drugsCortical lesionsMicrodialysis studyPatient groupInterictal levelsPathological featuresDifferent etiologiesNeocortical epilepsyGlutamate levelsSeizure generationElectroencephalogram evaluationThe relationship between seizures, interictal spikes and antiepileptic drugs
Goncharova II, Alkawadri R, Gaspard N, Duckrow RB, Spencer DD, Hirsch LJ, Spencer SS, Zaveri HP. The relationship between seizures, interictal spikes and antiepileptic drugs. Clinical Neurophysiology 2016, 127: 3180-3186. PMID: 27292227, DOI: 10.1016/j.clinph.2016.05.014.Peer-Reviewed Original ResearchConceptsFirst seizureSeizure occurrenceAED taperSpike rateEEG monitoringMarker of inhibitionIntracranial EEG monitoringOccurrence of seizuresScalp EEG monitoringConsecutive patientsAntiepileptic drugsDrug taperHigh spike ratesInterictal spikesSeizuresDay 4Intracranial electrodesPatientsAEDsSignificant relationship