2014
Ictal spread of medial temporal lobe seizures with and without secondary generalization: An intracranial electroencephalography analysis
Yoo JY, Farooque P, Chen WC, Youngblood MW, Zaveri HP, Gerrard JL, Spencer DD, Hirsch LJ, Blumenfeld H. Ictal spread of medial temporal lobe seizures with and without secondary generalization: An intracranial electroencephalography analysis. Epilepsia 2014, 55: 289-295. PMID: 24417694, PMCID: PMC4103687, DOI: 10.1111/epi.12505.Peer-Reviewed Original ResearchConceptsSecondary generalizationTemporal lobe seizuresFocal seizuresTemporal cortexMedial temporal lobe seizuresCortical regionsLow-voltage fast activityProminent activationAnteromedial temporal lobe resectionTonic-clonic seizuresSeizure-onset patternsTemporal lobe resectionLateral temporal cortexQuality of lifePosterior lateral temporal cortexTemporal lobe areasIntracranial electroencephalography studyMedial temporal lobe areasMedial temporal lobePosterior lateral temporal regionsIctal spreadHippocampal sclerosisSeizure spreadLobe resectionTemporal lobe
2009
Breathing New Life into the Fight against Sudden Death in Epilepsy
Hirsch LJ. Breathing New Life into the Fight against Sudden Death in Epilepsy. Epilepsy Currents 2009, 9: 137-139. PMID: 19826505, PMCID: PMC2759044, DOI: 10.1111/j.1535-7511.2009.01319.x.Peer-Reviewed Original ResearchLocalization-related epilepsyOxygen desaturationIctal hypoxemiaSecondary generalizationSeizure durationGeneralized convulsionsSeizure localizationContralateral spreadSecondary generalized convulsionsEnd-tidal carbon dioxideIntractable localization-related epilepsyVideo-EEG telemetryMean oxygen saturationSudden unexpected deathBody mass indexOxygen saturation dataDegree of desaturationElectrographic evidenceSeizure spreadConsecutive patientsPartial seizuresMass indexSeizure lateralizationObstructive apnoeaMean durationClinical use of ictal SPECT in secondarily generalized tonic–clonic seizures
Varghese GI, Purcaro MJ, Motelow JE, Enev M, McNally KA, Levin AR, Hirsch LJ, Tikofsky R, Paige AL, Zubal IG, Spencer SS, Blumenfeld H. Clinical use of ictal SPECT in secondarily generalized tonic–clonic seizures. Brain 2009, 132: 2102-2113. PMID: 19339251, PMCID: PMC2714057, DOI: 10.1093/brain/awp027.Peer-Reviewed Original ResearchConceptsCerebral blood flow increasesBlood flow increasesGeneralized tonic-clonic seizuresIctal SPECTTonic-clonic seizuresPartial seizuresPost-ictal periodSeizure onsetGeneralized seizuresSecondary generalizationCerebral blood flow decreasesRegional cerebral blood flow increasesPropagation of seizuresBlood flow decreaseCerebral blood flowEpilepsy surgery evaluationUseful clinical toolSingle photon emissionFlow increasesSeizure localizationSurgery evaluationBlood flowSeizuresClinical toolClinical useCortical and subcortical networks in human secondarily generalized tonic–clonic seizures
Blumenfeld H, Varghese GI, Purcaro MJ, Motelow JE, Enev M, McNally KA, Levin AR, Hirsch LJ, Tikofsky R, Zubal IG, Paige AL, Spencer SS. Cortical and subcortical networks in human secondarily generalized tonic–clonic seizures. Brain 2009, 132: 999-1012. PMID: 19339252, PMCID: PMC2724910, DOI: 10.1093/brain/awp028.Peer-Reviewed Original ResearchConceptsGeneralized tonic-clonic seizuresTonic-clonic seizuresFocal CBF increasesCBF increaseAssociation cortexImpaired consciousnessBasal gangliaSubcortical structuresCerebral blood flow changesBlood flow changesPartial seizure onsetLateral cerebellar hemispheresSingle photon emissionStatistical parametric mappingSecondary generalizationCBF decreasePartial seizuresCerebral cortexMotor manifestationsUpper brainstemSeizure onsetCerebellar hemisphereIndividual patientsTemporal lobeSeizure phase