2022
Hippocampal recording via the RNS system reveals marked ipsilateral activation of epileptiform activity during Wada testing
Quraishi IH, Brown FC, Johnson MH, Hirsch LJ. Hippocampal recording via the RNS system reveals marked ipsilateral activation of epileptiform activity during Wada testing. Epilepsy & Behavior 2022, 134: 108854. PMID: 35905518, DOI: 10.1016/j.yebeh.2022.108854.Peer-Reviewed Original ResearchMeSH KeywordsElectroencephalographyEpilepsy, Temporal LobeFunctional LateralityHippocampusHumansMethohexitalSeizuresConceptsResponsive neurostimulation systemWada testingEpileptiform activityElicitation of seizuresTemporal lobe resectionInternal carotid arteryMedial temporal structuresHippocampal vasculatureIpsilateral activationLobe resectionPosterior circulationElectrographic seizuresTemporal lobectomyElectrographic changesIntractable epilepsyClinical correlatesWada testCarotid arteryHippocampal spikesNegative findingsNeurostimulation systemHippocampal EEGHippocampal activityPatientsTransient increase
2020
Mesial temporal resection following long‐term ambulatory intracranial EEG monitoring with a direct brain‐responsive neurostimulation system
Hirsch LJ, Mirro EA, Salanova V, Witt TC, Drees CN, Brown M, Lee RW, Sadler TL, Felton EA, Rutecki P, Shin HW, Hadar E, Hegde M, Rao VR, Mnatsakanyan L, Madhavan DS, Zakaria TJ, Liu AA, Heck CN, Greenwood JE, Bigelow JK, Nair DR, Alexopoulos AV, Mackow M, Edwards JC, Sotudeh N, Kuzniecky RI, Gwinn RP, Doherty MJ, Geller EB, Morrell MJ. Mesial temporal resection following long‐term ambulatory intracranial EEG monitoring with a direct brain‐responsive neurostimulation system. Epilepsia 2020, 61: 408-420. PMID: 32072621, PMCID: PMC7154711, DOI: 10.1111/epi.16442.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAnterior Temporal LobectomyDrug Resistant EpilepsyElectric Stimulation TherapyElectrocorticographyEpilepsy, Temporal LobeFemaleHumansImplantable NeurostimulatorsMaleMiddle AgedMonitoring, AmbulatoryNeurosurgical ProceduresRetrospective StudiesTemporal LobeTreatment OutcomeYoung AdultConceptsMTL resectionElectrographic seizuresTemporal lobe seizure onsetClinical seizure reductionMesial temporal resectionIntracranial EEG monitoringRNS SystemBitemporal epilepsySeizure reductionSeizure outcomeTemporal resectionPrimary outcomeRefractory epilepsyAdditional patientsEpilepsy centersUnilateral onsetBilateral onsetIcEEG recordingsSeizure onsetMTL epilepsyMedian reductionResectionPatientsEEG monitoringIcEEG data
2017
Brain‐responsive neurostimulation in patients with medically intractable mesial temporal lobe epilepsy
Geller EB, Skarpaas TL, Gross RE, Goodman RR, Barkley GL, Bazil CW, Berg MJ, Bergey GK, Cash SS, Cole AJ, Duckrow RB, Edwards JC, Eisenschenk S, Fessler J, Fountain NB, Goldman AM, Gwinn RP, Heck C, Herekar A, Hirsch LJ, Jobst BC, King‐Stephens D, Labar DR, Leiphart JW, Marsh WR, Meador KJ, Mizrahi EM, Murro AM, Nair DR, Noe KH, Park YD, Rutecki PA, Salanova V, Sheth RD, Shields DC, Skidmore C, Smith MC, Spencer DC, Srinivasan S, Tatum W, Van Ness PC, Vossler DG, Wharen RE, Worrell GA, Yoshor D, Zimmerman RS, Cicora K, Sun FT, Morrell MJ. Brain‐responsive neurostimulation in patients with medically intractable mesial temporal lobe epilepsy. Epilepsia 2017, 58: 994-1004. PMID: 28398014, DOI: 10.1111/epi.13740.Peer-Reviewed Original ResearchConceptsMesial temporal lobe epilepsyMesial temporal sclerosisSeizure-free periodTemporal lobe epilepsySeizure reductionAdverse eventsLobe epilepsyIntractable mesial temporal lobe epilepsySerious device-related adverse eventsIntractable partial-onset seizuresMedian percent seizure reductionMesial temporal lobe originBilateral mesial temporal lobe epilepsyDevice-related adverse eventsBrain-responsive neurostimulationImplant site infectionPercent seizure reductionPartial-onset seizuresProspective clinical trialsTemporal lobe originVagus nerve stimulationEffective treatment optionPercent of subjectsPreimplantation baselineTemporal sclerosisSurgical outcome in adolescents with mesial temporal sclerosis: Is it different?
Farooque P, Hirsch L, Levy S, Testa F, Mattson R, Spencer D. Surgical outcome in adolescents with mesial temporal sclerosis: Is it different? Epilepsy & Behavior 2017, 69: 24-27. PMID: 28235653, DOI: 10.1016/j.yebeh.2016.10.028.Peer-Reviewed Original ResearchConceptsMesial temporal sclerosisTemporal sclerosisStatus epilepticusTemporal lobectomySurgical outcomesAdolescent patientsIctal onsetMore lobesEpilepsy surgery databaseScalp EEGSeizure freedomPatient populationSurgery DatabaseRisk factorsPatientsElectrographic dataLobectomyEpilepticusTwo yearsSclerosisHypometabolismNovel findingsAdolescentsMRIOutcomes
2015
Spatial memory for asymmetrical dot locations predicts lateralization among patients with presurgical mesial temporal lobe epilepsy
Brown FC, Hirsch LJ, Spencer DD. Spatial memory for asymmetrical dot locations predicts lateralization among patients with presurgical mesial temporal lobe epilepsy. Epilepsy & Behavior 2015, 52: 19-24. PMID: 26398592, DOI: 10.1016/j.yebeh.2015.08.020.Peer-Reviewed Original ResearchConceptsVerbal memory testsRight temporal lobe epilepsyMemory testTemporal lobe epilepsyMesial temporal lobe epilepsyLobe epilepsyLocation memory testRight mesial temporal lobe epilepsyHemisphere languageCVLT-IISpatial memoryDot locationsPositive predictive valueBinary logistic regressionVideo-EEGPatientsPredictive valueEpilepsyLogistic regressionLimited sample sizeVSRTRTLELTLEMemoryLateralizationLateralization of mesial temporal lobe epilepsy with chronic ambulatory electrocorticography
King-Stephens D, Mirro E, Weber PB, Laxer KD, Van Ness PC, Salanova V, Spencer DC, Heck CN, Goldman A, Jobst B, Shields DC, Bergey GK, Eisenschenk S, Worrell GA, Rossi MA, Gross RE, Cole AJ, Sperling MR, Nair DR, Gwinn RP, Park YD, Rutecki PA, Fountain NB, Wharen RE, Hirsch LJ, Miller IO, Barkley GL, Edwards JC, Geller EB, Berg MJ, Sadler TL, Sun FT, Morrell MJ. Lateralization of mesial temporal lobe epilepsy with chronic ambulatory electrocorticography. Epilepsia 2015, 56: 959-967. PMID: 25988840, PMCID: PMC4676303, DOI: 10.1111/epi.13010.Peer-Reviewed Original ResearchConceptsMesial temporal lobe epilepsyChronic ambulatory electrocorticographyElectrographic seizuresTemporal lobe epilepsyMTL epilepsySeizure lateralizationLobe epilepsyTreatment decisionsMTL seizuresInpatient video-electroencephalography (EEG) monitoringIctal ECoG activityInpatient video-EEG monitoringVideo-electroencephalography monitoringVideo-EEG monitoringIntractable epilepsySeizure focusECoG activityLarge cohortAmbulatory settingResponsive neurostimulationPatientsSeizuresEpilepsyIntracranial electrodesECoG
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 ResearchMeSH KeywordsAdultElectroencephalographyEpilepsies, PartialEpilepsy, GeneralizedEpilepsy, Temporal LobeFemaleHumansMaleMiddle AgedSeizuresVideo RecordingYoung AdultConceptsSecondary 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
2013
7T MR spectroscopic imaging in the localization of surgical epilepsy
Pan JW, Duckrow RB, Gerrard J, Ong C, Hirsch LJ, Resor SR, Zhang Y, Petroff O, Spencer S, Hetherington HP, Spencer DD. 7T MR spectroscopic imaging in the localization of surgical epilepsy. Epilepsia 2013, 54: 1668-1678. PMID: 23895497, PMCID: PMC3938332, DOI: 10.1111/epi.12322.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAspartic AcidCreatineElectroencephalographyEpilepsy, Temporal LobeFemaleHumansMagnetic Resonance SpectroscopyMaleMiddle AgedTreatment OutcomeYoung AdultConceptsSevere metabolic abnormalitiesLocalization-related epilepsyMR spectroscopic imagingN-acetyl aspartateComplete resectionMetabolic abnormalitiesBetter outcomesMedial temporal lobe epilepsyResection regionTemporal lobe epilepsyNAA/CrSeizure onset zoneSurgical resectionLobe epilepsySurgical approachSeizure localizationMetabolic dysfunctionInternational LeagueSurgical epilepsyGray matterEpilepsyResectionAbnormalitiesMRSI abnormalitiesOutcome prediction
2006
Facial Emotion Recognition after Curative Nondominant Temporal Lobectomy in Patients with Mesial Temporal Sclerosis
McClelland S, Garcia RE, Peraza DM, Shih TT, Hirsch LJ, Hirsch J, Goodman RR. Facial Emotion Recognition after Curative Nondominant Temporal Lobectomy in Patients with Mesial Temporal Sclerosis. Epilepsia 2006, 47: 1337-1342. PMID: 16922878, DOI: 10.1111/j.1528-1167.2006.00557.x.Peer-Reviewed Original ResearchConceptsMesial temporal sclerosisAnteromedial temporal lobectomyTemporal lobe epilepsyTLE onsetTemporal sclerosisTemporal lobectomyRight amygdalaEarly-onset patientsLate-onset patientsEarly-onset groupLate-onset groupAmygdalar damageAge 6 yearsFER impairmentPostsurgical populationLobe epilepsyLeft-hemisphere language dominancePreoperative MRIPatientsFrightened expressionImpaired facial emotion recognitionLobectomySclerosisAmygdalaOnset
2004
“Tectonic” hippocampal malformations in patients with temporal lobe epilepsy
Sloviter RS, Kudrimoti HS, Laxer KD, Barbaro NM, Chan S, Hirsch LJ, Goodman RR, Pedley TA. “Tectonic” hippocampal malformations in patients with temporal lobe epilepsy. Epilepsy Research 2004, 59: 123-153. PMID: 15246116, DOI: 10.1016/j.eplepsyres.2004.04.001.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultChildChild, PreschoolEpilepsy, Temporal LobeFemaleHippocampusHumansMaleMiddle AgedConceptsTemporal lobe epilepsyDentate gyrusHippocampal sclerosisFebrile seizuresLobe epilepsyEarly febrile seizuresTypical hippocampal sclerosisNeuronal marker NeuN.Subgroup of patientsAntecedent febrile seizuresTemporal lobe structuresMinor cell lossSubsequent epilepsyNeuronal lossSurgical treatmentHippocampal atrophySynaptic markersHippocampal anomaliesRetrospective analysisEpilepsy patientsHippocampal malformationsPatientsCell lossHippocampusConventional imaging methods