2024
Communication trends over time in new-onset refractory status epilepticus (NORSE): Interim analysis from the NORSE/FIRES Family Registry
Kazazian K, Gaspard N, Hirsch L, Kellogg M, Hocker S, Wong N, Farias-Moeller R, Eschbach K, Gofton T. Communication trends over time in new-onset refractory status epilepticus (NORSE): Interim analysis from the NORSE/FIRES Family Registry. Epilepsy & Behavior 2024, 160: 110023. PMID: 39241640, DOI: 10.1016/j.yebeh.2024.110023.Peer-Reviewed Original ResearchPalliative care servicesFamily RegistryCare servicesImprove overall carePrognostic conversationsAcute hospitalsOverall careEpidemiological informationConsensus definitionPhysician-patient-family relationshipRegistryNORSE/FIRESMinority of patientsPrognostic informationSatisfactionFamilySystematic effortRecovery processServicesCarePatientsHospitalPrevalenceQualityEpilepsy syndromesStability of infraslow correlation structure in time-shifted intracranial EEG signals
Joshi R, Duckrow R, Goncharova I, Hirsch L, Spencer D, Godwin D, Zaveri H. Stability of infraslow correlation structure in time-shifted intracranial EEG signals. Frontiers In Network Physiology 2024, 4: 1441294. PMID: 39258030, PMCID: PMC11384574, DOI: 10.3389/fnetp.2024.1441294.Peer-Reviewed Original ResearchInfraslow activityContact pairsFrequency bandMagnitude-squared coherenceAntiseizure medicationsMedically refractory epilepsy patientsElectrode contact pairsHigher-frequency activityRefractory epilepsy patientsDC-coupled recordingsIcEEG epochsEEG frequency bandsEnvelope correlationOptimal parametersClinical relevanceSeizure riskIntracranial EEGEpilepsy patientsPatientsIntracranial EEG signalsTaperTraditional EEG frequency bandsComparative analysis of patients with new onset refractory status epilepticus preceded by fever (febrile infection‐related epilepsy syndrome) versus without prior fever: An interim analysis
Jimenez A, Gopaul M, Asbell H, Aydemir S, Basha M, Batra A, Damien C, Day G, Eka O, Eschbach K, Fatima S, Fields M, Foreman B, Gerard E, Gofton T, Haider H, Hantus S, Hocker S, Jongeling A, Aparicio M, Kandula P, Kang P, Kazazian K, Kellogg M, Kim M, Lee J, Marcuse L, McGraw C, Mohamed W, Orozco J, Pimentel C, Punia V, Ramirez A, Steriade C, Struck A, Taraschenko O, Treister A, Yoo J, Zafar S, Zhou D, Zutshi D, Gaspard N, Hirsch L, Hanin A. Comparative analysis of patients with new onset refractory status epilepticus preceded by fever (febrile infection‐related epilepsy syndrome) versus without prior fever: An interim analysis. Epilepsia 2024, 65: e87-e96. PMID: 38625055, DOI: 10.1111/epi.17988.Peer-Reviewed Original ResearchFebrile infection-related epilepsy syndromeRefractory status epilepticusMacrophage inflammatory protein-1 alphaOnset refractory status epilepticusStatus epilepticusCerebrospinal fluidFIRES patientsCerebrospinal fluid interleukin-6Magnetic resonance imaging findingsComparative analysis of patientsAnalysis of patientsChemokine ligand 2Presenting symptomsFebrile infectionsClinical featuresGastrointestinal prodromeImaging findingsInflammatory biomarkersAntiseizure medicationsInterleukin-6Epilepsy syndromesInterim analysisPatientsEpilepticusFeverSystematic 1 Hz direct electrical stimulation for seizure induction: A reliable method for localizing seizure onset zone and predicting seizure freedom
Sivaraju A, Quraishi I, Collins E, McGrath H, Ramos A, Turk-Browne N, Zaveri H, Damisah E, Spencer D, Hirsch L. Systematic 1 Hz direct electrical stimulation for seizure induction: A reliable method for localizing seizure onset zone and predicting seizure freedom. Brain Stimulation 2024, 17: 339-345. PMID: 38490472, DOI: 10.1016/j.brs.2024.03.011.Peer-Reviewed Original ResearchSeizure inductionSeizure onset zoneSurgical outcomesHabitual seizuresOnset zonePredicting seizure freedomExcellent surgical outcomesProspective cohort studyMann-Whitney testConsecutive patientsFisher's exactSeizure freedomRefractory epilepsyCohort studyPost-surgeryInsular regionsMann-WhitneyPatientsIntracranial EEGSeizuresLocalizing seizure onset zonesStimulationElectrical stimulationMedial temporal regionsTemporal regions
2022
Quantitative epileptiform burden and electroencephalography background features predict post-traumatic epilepsy
Chen Y, Li S, Ge W, Jing J, Chen HY, Doherty D, Herman A, Kaleem S, Ding K, Osman G, Swisher CB, Smith C, Maciel CB, Alkhachroum A, Lee JW, Dhakar MB, Gilmore EJ, Sivaraju A, Hirsch LJ, Omay SB, Blumenfeld H, Sheth KN, Struck AF, Edlow BL, Westover MB, Kim JA. Quantitative epileptiform burden and electroencephalography background features predict post-traumatic epilepsy. Journal Of Neurology Neurosurgery & Psychiatry 2022, 94: 245-249. PMID: 36241423, PMCID: PMC9931627, DOI: 10.1136/jnnp-2022-329542.Peer-Reviewed Original ResearchConceptsPost-traumatic epilepsyTraumatic brain injuryCT abnormalitiesElectroencephalography featuresAdmission Glasgow Coma Scale scoreGlasgow Coma Scale scoreRetrospective case-control studyMultivariable logistic regression analysisRisk stratification modelCase-control studyLogistic regression analysisTBI admissionsSevere complicationsFuture trialsBrain injuryCT reportsSeizure diagnosisPredictive valueScale scorePatientsLogistic regressionStratification modelQuantitative electroencephalogramTBI mechanismsRegression analysisPrevalence and Predictors of Seizure Clusters in Pediatric Patients With Epilepsy: The Harvard-Yale Pediatric Seizure Cluster Study
Jafarpour S, Fong MWK, Detyniecki K, Khan A, Jackson-Shaheed E, Wang X, Lewis S, Benjamin R, Gaínza-Lein M, O'Bryan J, Hirsch LJ, Loddenkemper T. Prevalence and Predictors of Seizure Clusters in Pediatric Patients With Epilepsy: The Harvard-Yale Pediatric Seizure Cluster Study. Pediatric Neurology 2022, 137: 22-29. PMID: 36208614, DOI: 10.1016/j.pediatrneurol.2022.08.014.Peer-Reviewed Original ResearchConceptsSeizure clustersRescue medicationPediatric patientsSeizure frequencyIntermediate-risk groupEmergency department visitsHigh seizure frequencyTwo-center studyEmergency room visitsHigh-risk groupActive seizuresMore seizuresDepartment visitsStatus epilepticusRoom visitsAdverse outcomesEpilepsy severityIsolated seizureSeizure diariesRisk factorsRisk groupsGreater oddsPatientsMedicationsSeizuresInternational consensus recommendations for management of new onset refractory status epilepticus (NORSE) including febrile infection‐related epilepsy syndrome (FIRES): Summary and clinical tools
Wickström R, Taraschenko O, Dilena R, Payne ET, Specchio N, Nabbout R, Koh S, Gaspard N, Hirsch LJ, Group T, Auvin S, van Baalen A, Beghi E, Benseler S, Bergin P, Bleck T, Brunklaus A, Caraballo R, Cervenka M, Costello D, Drislane F, Farias‐Moeller R, Gallantine W, Gilmore E, Gofton T, Jimenez M, Hocker S, Kaliakatsos M, Kellogg M, Lee J, Loddenkemper T, Meletti S, Mizugushi M, Muscal E, Riviello J, Rosenthal E, Rossetti A, Ruegg S, Said R, Sculier C, Schmitt S, Schuele S, Stredny C, Trinka E, Wainwright M, VanHaerents S, Wells E, Wirrell E, Zuberi S. International consensus recommendations for management of new onset refractory status epilepticus (NORSE) including febrile infection‐related epilepsy syndrome (FIRES): Summary and clinical tools. Epilepsia 2022, 63: 2827-2839. PMID: 35951466, PMCID: PMC9826478, DOI: 10.1111/epi.17391.Peer-Reviewed Original ResearchFebrile infection-related epilepsy syndromeNew-onset refractory status epilepticusAcute treatmentRecommendation statementMedian scoreRefractory status epilepticusManagement of adultsManagement of patientsPost-acute phaseConsensus-based recommendationsInternational consensus recommendationsBest available evidenceEvidence-based analysisPediatric patientsStatus epilepticusEpilepsy syndromesDisease characteristicsConsensus recommendationsDiagnostic testingClinical toolAvailable evidenceDiagnosisPatientsTreatmentDelphi methodologyHippocampal 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 ResearchConceptsResponsive 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 increaseAcute symptomatic seizures: an educational, evidence‐based review
Mauritz M, Hirsch LJ, Camfield P, Chin R, Nardone R, Lattanzi S, Trinka E. Acute symptomatic seizures: an educational, evidence‐based review. Epileptic Disorders 2022, 24: 26-49. PMID: 34789447, DOI: 10.1684/epd.2021.1376.Peer-Reviewed Original Research
2021
Simulated driving in the epilepsy monitoring unit: Effects of seizure type, consciousness, and motor impairment
Kumar A, Martin R, Chen W, Bauerschmidt A, Youngblood MW, Cunningham C, Si Y, Ezeani C, Kratochvil Z, Bronen J, Thomson J, Riordan K, Yoo JY, Shirka R, Manganas L, Krestel H, Hirsch LJ, Blumenfeld H. Simulated driving in the epilepsy monitoring unit: Effects of seizure type, consciousness, and motor impairment. Epilepsia 2021, 63: e30-e34. PMID: 34816425, PMCID: PMC8883409, DOI: 10.1111/epi.17136.Peer-Reviewed Original ResearchConceptsSeizure typesFocal seizuresMotor functionMotor impairmentYale-New Haven HospitalVideo-electroencephalographic monitoringAbnormal motor functionEpilepsy monitoring unitNew Haven HospitalImpaired consciousnessMyoclonic seizuresRetrospective studySeizure characteristicsMotor involvementIctal eventsImpaired drivingLarge cohortSeizuresImpairmentPatientsResponsivenessDriving restrictionsVideo reviewMonitoring unitEpilepsyHospital Revisits for Post-Ischemic Stroke Epilepsy after Acute Stroke Interventions
Kuohn LR, Herman AL, Soto AL, Brown SC, Gilmore EJ, Hirsch LJ, Matouk CC, Sheth KN, Kim JA. Hospital Revisits for Post-Ischemic Stroke Epilepsy after Acute Stroke Interventions. Journal Of Stroke And Cerebrovascular Diseases 2021, 31: 106155. PMID: 34688213, PMCID: PMC8766898, DOI: 10.1016/j.jstrokecerebrovasdis.2021.106155.Peer-Reviewed Original ResearchConceptsIschemic stroke survivorsIV-tPADecompressive craniectomyHospital revisitsStroke survivorsAcute stroke interventionAcute ischemic strokeAcute stroke careProportional hazards regressionImpact of therapyHistory of epilepsyAcute seizuresHospital seizuresIschemic strokeStroke severityPrimary outcomeStroke interventionStroke treatmentStroke careHazards regressionMultivariable modelRetrospective analysisCumulative rateClaims dataPatientsMiglustat Therapy for SCARB2-Associated Action Myoclonus–Renal Failure Syndrome
Quraishi IH, Szekely AM, Shirali AC, Mistry PK, Hirsch LJ. Miglustat Therapy for SCARB2-Associated Action Myoclonus–Renal Failure Syndrome. Neurology Genetics 2021, 7: e614. PMID: 34337151, PMCID: PMC8320328, DOI: 10.1212/nxg.0000000000000614.Peer-Reviewed Original ResearchAction myoclonus-renal failure syndromeNeurologic symptomsAction myoclonusFailure syndromeProgressive myoclonic epilepsySubstrate reduction therapyWhole-exome sequencingMiglustat therapyAvailable medicationsEarly mortalityReduction therapyMyoclonic epilepsySteady worseningGaucher diseaseMyoclonusGlycosphingolipid metabolismExome sequencingGene mutationsGlucosylceramide accumulationPatientsSeizuresMiglustatSyndromeTherapySymptomsPatient‐detectable responsive neurostimulation as a seizure warning system
Quraishi IH, Hirsch LJ. Patient‐detectable responsive neurostimulation as a seizure warning system. Epilepsia 2021, 62: e110-e116. PMID: 34018182, PMCID: PMC8629031, DOI: 10.1111/epi.16933.Peer-Reviewed Original ResearchConceptsResponsive neurostimulation systemFocal impaired awareness seizuresProportion of patientsQuality of lifeSeizure warningTolerable symptomsClinical seizuresLatter therapySelect patientsAwareness seizuresEpileptiform activityEarly recognitionResponsive neurostimulationEpileptiform patternsCognitive impairmentPatientsNeurostimulation systemSymptomsSeizuresTherapyTreatment of clustersStimulationSeizure warning systemSeizure recognitionEpilepsyHigh epileptiform discharge burden predicts delayed cerebral ischemia after subarachnoid hemorrhage
Kim JA, Zheng WL, Elmer J, Jing J, Zafar SF, Ghanta M, Moura V, Gilmore EJ, Hirsch LJ, Patel A, Rosenthal E, Westover MB. High epileptiform discharge burden predicts delayed cerebral ischemia after subarachnoid hemorrhage. Clinical Neurophysiology 2021, 141: 139-146. PMID: 33812771, PMCID: PMC8429508, DOI: 10.1016/j.clinph.2021.01.022.Peer-Reviewed Original ResearchConceptsED burdenSubarachnoid hemorrhageEpileptiform dischargesCerebral ischemiaSAH patientsHigh riskOnset of DCIMajor risk periodContinuous EEG recordingsDCI patientsDCI riskRetrospective analysisNovel biomarkersGroup-based trajectory analysisRisk periodPatientsDay 3.5DCIBurdenHemorrhageIschemiaRiskEEG recordingsBurden rateUseful parameterAssessment of a Study of Continuous vs Repeat-Spot Electroencephalography in Patients With Critical Illness
Gaspard N, Westover MB, Hirsch LJ. Assessment of a Study of Continuous vs Repeat-Spot Electroencephalography in Patients With Critical Illness. JAMA Neurology 2021, 78: 369-369. PMID: 33523103, PMCID: PMC8136812, DOI: 10.1001/jamaneurol.2020.5348.Peer-Reviewed Original ResearchBrief potentially ictal rhythmic discharges and paroxysmal fast activity as scalp electroencephalographic biomarkers of seizure activity and seizure onset zone
Yoo JY, Jetté N, Kwon C, Young J, Marcuse LV, Fields MC, Gaspard N, Hirsch LJ. Brief potentially ictal rhythmic discharges and paroxysmal fast activity as scalp electroencephalographic biomarkers of seizure activity and seizure onset zone. Epilepsia 2021, 62: 742-751. PMID: 33576500, DOI: 10.1111/epi.16822.Peer-Reviewed Original ResearchConceptsParoxysmal fast activitySeizure onset zoneIctal rhythmic dischargesClinical significanceElectrographic seizuresSeizure activityRhythmic dischargesFast activityOnset zoneUncontrolled seizure activityPosterior dominant rhythmSimilar clinical significancePatient demographicsElectroencephalographic biomarkerLocalizing signFocal slowingClinical historySeizure riskEEG backgroundPatientsAdult cohortDominant rhythmSeizuresDistinct entityEEG biomarkersElectrical cortical stimulation can impair production of the alphabet without impairing counting
Rojas PH, Sivaraju A, Quraishi IH, Vanderlind M, Rofes A, Połczynska-Bletsos MM, Spencer DD, Hirsch LJ, Benjamin CFA. Electrical cortical stimulation can impair production of the alphabet without impairing counting. Epilepsy & Behavior Reports 2021, 15: 100433. PMID: 33778464, PMCID: PMC7985277, DOI: 10.1016/j.ebr.2021.100433.Peer-Reviewed Case Reports and Technical NotesElectrical stimulation mappingCortical electrical stimulation mappingDrug-resistant focal epilepsyPatient experienced lossDrug-resistant epilepsyElectrical cortical stimulationLanguage-dominant hemisphereSuperior temporal gyrusPosterior superior temporal gyrusCortical stimulationFocal epilepsyStimulation mappingDominant hemispherePatientsTemporal gyrusSelective impairmentLanguage functionEpilepsyExperienced lossImpairmentBrainRiskLanguage impairmentSurgerySole meansVideo quality using outpatient smartphone videos in epilepsy: Results from the OSmartViE study
Tatum WO, Hirsch LJ, Gelfand MA, Acton EK, LaFrance WC, Duckrow RB, Chen D, Blum AS, Hixson J, Drazkowski J, Benbadis S, Cascino GD, Collaborators T. Video quality using outpatient smartphone videos in epilepsy: Results from the OSmartViE study. European Journal Of Neurology 2021, 28: 1453-1462. PMID: 33465822, DOI: 10.1111/ene.14744.Peer-Reviewed Original ResearchConceptsPsychogenic nonepileptic attacksNeurologic eventsEpileptic seizuresInpatient video-electroencephalography (EEG) monitoringPhysiologic nonepileptic eventsMulticenter cohort studyMajority of patientsVideo-electroencephalography monitoringVideo-EEG monitoringSimilar diagnostic accuracyHome video recordingEpilepsy outpatientsNeurological disease statesCohort studyNeurological eventsNonepileptic eventsNonepileptic attacksUnknown diagnosisAdequate durationClinical informationPatientsSenior neurology residentsAccurate diagnosisDiagnostic accuracyNeurology residents
2020
Neuroimaging Correlates of Lateralized Rhythmic Delta Activity, Lateralized Periodic Discharges, and Generalized Rhythmic Delta Activity on EEG in Critically Ill Patients
Alzawahmah M, Fong MWK, Gilmore EJ, Hirsch LJ. Neuroimaging Correlates of Lateralized Rhythmic Delta Activity, Lateralized Periodic Discharges, and Generalized Rhythmic Delta Activity on EEG in Critically Ill Patients. Journal Of Clinical Neurophysiology 2020, 39: 228-234. PMID: 33235178, DOI: 10.1097/wnp.0000000000000763.Peer-Reviewed Original ResearchConceptsRhythmic delta activityDelta activityMRI abnormalitiesNormal MRIGeneralized rhythmic delta activityLateralized rhythmic delta activityLateralized periodic dischargesCritically Ill PatientsMajority of patientsMultifocal abnormalitiesIll patientsFocal findingsMRI characteristicsFocal abnormalitiesLRDAPatientsDiscordant findingsEpileptiform patternsMost abnormalitiesContinuous EEGPeriodic dischargesAbnormalitiesEEG patternsStatistical significanceMRISeizure clusters, rescue treatments, seizure action plans: Unmet needs and emerging formulations
Gidal B, Klein P, Hirsch LJ. Seizure clusters, rescue treatments, seizure action plans: Unmet needs and emerging formulations. Epilepsy & Behavior 2020, 112: 107391. PMID: 32898744, DOI: 10.1016/j.yebeh.2020.107391.Peer-Reviewed Original Research