Featured Publications
Factors Predicting Outcome After Intracranial EEG Evaluation in Patients With Medically Refractory Epilepsy
Sivaraju A, Hirsch L, Gaspard N, Farooque P, Gerrard J, Xu Y, Deng Y, Damisah E, Blumenfeld H, Spencer DD. Factors Predicting Outcome After Intracranial EEG Evaluation in Patients With Medically Refractory Epilepsy. Neurology 2022, 99: e1-e10. PMID: 35508395, PMCID: PMC9259091, DOI: 10.1212/wnl.0000000000200569.Peer-Reviewed Original ResearchConceptsTemporal lobe onsetSeizure freedomResective surgeryIndependent predictorsLesional MRIUnfavorable predictorRefractory epilepsyContinued medical treatmentEpilepsy surgical evaluationFactors Predicting OutcomeIntracranial EEG evaluationNonlesional extratemporal epilepsySubsequent seizure freedomSustained seizure freedomThorough presurgical evaluationSeizure-free outcomeClass II evidenceMedically Refractory EpilepsyRetrospective chart reviewKaplan-Meier curvesSelect clinical scenariosMultivariable regression analysisBest multivariable modelIntracranial EEGSeizure onset localizationIntrastimulation discharges during electrical stimulation mapping May help identify seizure onset network
Sivaraju A, Spencer DD, Hirsch LJ. Intrastimulation discharges during electrical stimulation mapping May help identify seizure onset network. Brain Stimulation 2021, 14: 652-654. PMID: 33826933, DOI: 10.1016/j.brs.2021.04.003.Peer-Reviewed Original ResearchBeyond implantation effect? Long-term seizure reduction and freedom following intracranial monitoring without additional surgical interventions
Percy J, Zaveri H, Duckrow RB, Gerrard J, Farooque P, Hirsch LJ, Spencer DD, Sivaraju A. Beyond implantation effect? Long-term seizure reduction and freedom following intracranial monitoring without additional surgical interventions. Epilepsy & Behavior 2020, 111: 107231. PMID: 32615416, DOI: 10.1016/j.yebeh.2020.107231.Peer-Reviewed Original ResearchConceptsLong-term seizure freedomSeizure freedomSeizure frequencyElectrode implantationIntracranial studiesLong-term seizure reductionAdditional surgical interventionSeizure onset localizationIntracranial electroencephalogram monitoringSeizure reductionConsecutive patientsSurgical interventionEpileptogenic networksElectroencephalogram monitoringNeuromodulatory effectsRetrospective analysisIntracranial monitoringTransient improvementDepth electrodesPatientsYear 4ImplantationAdequate dataYearsInvasive EEG in presurgical evaluation of epilepsy
Spencer D, Nguyen D, Sivaraju A. Invasive EEG in presurgical evaluation of epilepsy. 2015, 733-755. DOI: 10.1002/9781118936979.ch58.Peer-Reviewed Original ResearchEpileptogenic lesionsMRI protocolEarly treatment optionEpilepsy surgical procedureNon-surgical candidatesCommon epileptogenic lesionsSpecific MRI protocolQuality of MRIEpilepsy surgeryMRI criteriaPresurgical evaluationTreatment optionsCerebral areasInvasive EEGSurgical proceduresNeurosurgical proceduresMR imagingMR spectroscopyLesionsEpilepsyTypical featuresImagingPatientsSurgeryPathologyPrognostication of post-cardiac arrest coma: early clinical and electroencephalographic predictors of outcome
Sivaraju A, Gilmore EJ, Wira CR, Stevens A, Rampal N, Moeller JJ, Greer DM, Hirsch LJ, Gaspard N. Prognostication of post-cardiac arrest coma: early clinical and electroencephalographic predictors of outcome. Intensive Care Medicine 2015, 41: 1264-1272. PMID: 25940963, DOI: 10.1007/s00134-015-3834-x.Peer-Reviewed Original ResearchConceptsBetter outcomesPoor outcomeEpileptiform dischargesPost-cardiac arrest comatose patientsCritical care EEG terminologyPost-cardiac arrest comaMethodsProspective cohort studyContinuous EEG monitoringLow-voltage EEGPositive predictive valueAbsence of reactivityEEG terminologyCohort studySpontaneous circulationBrainstem reflexesClinical outcomesComatose patientsFalse positive ratePoor prognosisPrognostic significanceSuppression burstsClinical variablesClinical correlatesElectroencephalographic patternsElectroencephalographic predictors
2024
Combined neuromodulation and resection for functional cortex epilepsy: a case series.
Merenzon M, Sivaraju A, Herlopian A, Gerrard J, Quraishi I, Hirsch L, Spencer D, Damisah E. Combined neuromodulation and resection for functional cortex epilepsy: a case series. Journal Of Neurosurgery 2024, 1-9. PMID: 38848588, DOI: 10.3171/2024.3.jns24122.Peer-Reviewed Original ResearchMedically refractory epilepsySeizure onset zoneFunctional cortexSeizure outcomeRefractory epilepsyMonths of follow-up dataMaximal safe resectionMedian follow-upTreated with resectionImprove seizure outcomeFocal neuromodulationFollow-up dataPreservation of functionRetrospective analysis of individualsSafe resectionPartial resectionMedian intervalCase seriesPreoperative assessmentSurgical interventionRNS deviceNeurological deficitsNo significant changesResectionRetrospective analysisPrognostication of Outcomes in Stroke Patients Using Inflammatory Biomarkers: Findings from the Yale Post-stroke Epilepsy Research Group (P3-5.010)
Wang E, Misra S, Yan J, Chook P, Kawamura Y, Kitagawa R, Kim J, Gilmore E, De Havenon A, Sivaraju A, Hirsch L, Falcone G, Sansing L, Magid-Bernstein J, Mishra N. Prognostication of Outcomes in Stroke Patients Using Inflammatory Biomarkers: Findings from the Yale Post-stroke Epilepsy Research Group (P3-5.010). Neurology 2024, 102 DOI: 10.1212/wnl.0000000000204783.Peer-Reviewed Original ResearchAssociation of CT-based Lobar Contusion Volumes and Locations with Post-traumatic Epilepsy (P5-1.003)
Shrishail N, Wheelock J, Sanders W, Doherty D, Kim J, Schlecter M, Sivaraju A, Hirsch L, Omay S, Sheth K, Gilmore E, Edlow B, Kim J. Association of CT-based Lobar Contusion Volumes and Locations with Post-traumatic Epilepsy (P5-1.003). Neurology 2024, 102 DOI: 10.1212/wnl.0000000000206260.Peer-Reviewed Original ResearchMachine Learning-informed Subtyping of Generalized Periodic Discharges in Cardiac Arrest (S23.006)
Karukonda V, Aghaeeaval M, Kandhare P, Zheng W, Jing J, Ghassemi M, Lee J, Herman S, Sivaraju A, Gaspard N, Hofmeijer J, van Putten M, Westover M, Amorim E. Machine Learning-informed Subtyping of Generalized Periodic Discharges in Cardiac Arrest (S23.006). Neurology 2024, 102 DOI: 10.1212/wnl.0000000000204918.Peer-Reviewed Original ResearchPredictors of follow-up care for critically-ill patients with seizures and epileptiform abnormalities on EEG monitoring
Rice H, Fernandes M, Punia V, Rubinos C, Sivaraju A, Zafar S. Predictors of follow-up care for critically-ill patients with seizures and epileptiform abnormalities on EEG monitoring. Clinical Neurology And Neurosurgery 2024, 241: 108275. PMID: 38640778, PMCID: PMC11167629, DOI: 10.1016/j.clineuro.2024.108275.Peer-Reviewed Original ResearchConceptsNeurological follow-upFollow-up visitFollow-upAntiseizure medicationsOutpatient follow-upCritically-ill patientsContinuous EEGEpileptiform abnormalitiesPredictors of follow-upPrevent long-term complicationsIllness severityYounger ageRetrospective cohort studyLong-term complicationsFollow-up statusIntensive care unitProbability of follow-upHigher illness severityPredictors of readmissionContinuous EEG recordingsRisk stratificationEEG monitoringCohort studyCritically-illCare unitSystematic 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 regionsImmediate and long‐term management practices of acute symptomatic seizures and epileptiform abnormalities: A cross‐sectional international survey
Punia V, Daruvala S, Dhakar M, Zafar S, Rubinos C, Ayub N, Hirsch L, Sivaraju A, investigators F. Immediate and long‐term management practices of acute symptomatic seizures and epileptiform abnormalities: A cross‐sectional international survey. Epilepsia 2024, 65: 909-919. PMID: 38358383, DOI: 10.1111/epi.17915.Peer-Reviewed Original ResearchAnti-seizure medicationsEpileptiform abnormalitiesAcute symptomatic seizuresAcute brain injuryContinuous EEGSecondary prophylaxisSymptomatic seizuresSporadic epileptiform dischargesLateralized periodic dischargesCross-sectional international surveyOutpatient follow-upAnti-seizure medication useOptimal care pathwayDose escalationBrain injuryDose changesLong-term managementElectrographic seizuresEpileptiform dischargesFollow-upAncillary testsReal-world practiceRecommended durationContinuous electroencephalographyHospital dischargeCharacteristics and Attendance of Patients Eligible for the PASS Clinic: A Transition of Care Model After Acute Symptomatic Seizures.
Byrnes M, Thompson N, Hantus S, Fesler J, Ying Z, Ayub N, Rubinos C, Zafar S, Sivaraju A, Punia V. Characteristics and Attendance of Patients Eligible for the PASS Clinic: A Transition of Care Model After Acute Symptomatic Seizures. Neurology Clinical Practice 2024, 14: e200232. PMID: 38213398, PMCID: PMC10781564, DOI: 10.1212/cpj.0000000000200232.Peer-Reviewed Original ResearchAntiseizure medicationsClinic attendanceASY patientsClinic modelCare modelCause-specific Cox proportional hazards modelsMedicare/Medicaid insuranceCox proportional hazards modelAcute symptomatic seizuresClinic attendance ratesClinic visit attendanceEarly postdischarge mortalityProgressive brain injuryRetrospective cohort studyAttendance of patientsRoutine clinical careProportional hazards modelDischarge planning processASM discontinuationAutoimmune encephalitisPostdischarge mortalitySymptomatic seizuresVisit attendanceSeizure clinicCohort studyStatistical learning in epilepsy: Behavioral and anatomical mechanisms in the human brain
Aljishi A, Sherman B, Huberdeau D, Obaid S, Khan K, Lamsam L, Zibly Z, Sivaraju A, Turk‐Browne N, Damisah E. Statistical learning in epilepsy: Behavioral and anatomical mechanisms in the human brain. Epilepsia 2024, 65: 753-765. PMID: 38116686, PMCID: PMC10948305, DOI: 10.1111/epi.17871.Peer-Reviewed Original Research
2023
Predicting Neurological Recovery from Coma After Cardiac Arrest: The George B. Moody PhysioNet Challenge 2023
Reyna M, Amorim E, Sameni R, Weigle J, Elola A, Rad A, Seyedi S, Kwon H, Zheng W, Ghassemi M, van Putten M, Hofmeijer J, Gaspard N, Sivaraju A, Herman S, Lee J, Westover M, Clifford G. Predicting Neurological Recovery from Coma After Cardiac Arrest: The George B. Moody PhysioNet Challenge 2023. 2016 Computing In Cardiology Conference (CinC) 2023, 50: 1-4. DOI: 10.22489/cinc.2023.019.Peer-Reviewed Original Research
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 analysisAcute epileptiform abnormalities are the primary predictors of post‐stroke epilepsy: a matched, case–control study
Punia V, Ellison L, Bena J, Chandan P, Sivaraju A, George P, Newey CR, Hantus S. Acute epileptiform abnormalities are the primary predictors of post‐stroke epilepsy: a matched, case–control study. Annals Of Clinical And Translational Neurology 2022, 9: 558-563. PMID: 35243824, PMCID: PMC8994977, DOI: 10.1002/acn3.51534.Peer-Reviewed Original ResearchConceptsPost-stroke epilepsyDays of presentationMultivariable logistic modelCase-control studyContinuous EEG monitoringUnivariable analysisStroke patientsEpileptiform abnormalitiesSeizure managementPresence of EAEEG monitoringTherapy trialsEpilepsyPrimary predictorPredictorsLogistic modelPatientsAbnormalitiesTrials
2021
Gerstmann Syndrome Deconstructed by Cortical Stimulation
Vaddiparti A, McGrath H, Benjamin C, Sivaraju A, Spencer DD, Hirsch LJ, Damisah E, Quraishi IH. Gerstmann Syndrome Deconstructed by Cortical Stimulation. Neurology 2021, 97: 420-422. PMID: 34187861, PMCID: PMC9246017, DOI: 10.1212/wnl.0000000000012441.Commentaries, Editorials and Letters
2015
The Time Course and Prognostic Values of Electroencephalographic Patterns after Anoxic Brain Injury (P7.005)
Sivaraju A, Gilmore E, Moeller J, Greer D, Hirsch L, Gaspard N. The Time Course and Prognostic Values of Electroencephalographic Patterns after Anoxic Brain Injury (P7.005). Neurology 2015, 84 DOI: 10.1212/wnl.84.14_supplement.p7.005.Peer-Reviewed Original Research
2014
Life Threatening Intracranial Hemorrhage as a Consequence of Dobutamine Stress Echocardiography: A Case Report (P4.230)
Sivaraju A, Punia V, Hillen M. Life Threatening Intracranial Hemorrhage as a Consequence of Dobutamine Stress Echocardiography: A Case Report (P4.230). Neurology 2014, 82 DOI: 10.1212/wnl.82.10_supplement.p4.230.Peer-Reviewed Original Research