Featured Publications
Automated EEG-based prediction of delayed cerebral ischemia after subarachnoid hemorrhage
Zheng WL, Kim JA, Elmer J, Zafar SF, Ghanta M, Moura V, Patel A, Rosenthal E, Westover M. Automated EEG-based prediction of delayed cerebral ischemia after subarachnoid hemorrhage. Clinical Neurophysiology 2022, 143: 97-106. PMID: 36182752, PMCID: PMC9847346, DOI: 10.1016/j.clinph.2022.08.023.Peer-Reviewed Original ResearchConceptsMultiple EEG featuresEEG featuresInformative featuresPrediction algorithmSubarachnoid hemorrhageBetter performanceNon-DCI patientsMachineCerebral ischemiaDCI riskAlpha-delta ratioAneurysmal subarachnoid hemorrhageUtility of electroencephalographyReceiver operator curveFeaturesDCI predictionAlgorithmDCI onsetSAH patientsShannon entropyDay 5Whole brainAlpha variabilityPatientsPredictionHigh 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 parameter
2022
Epileptiform activity predicts epileptogenesis in cerebral hemorrhage
Kong THJ, Azeem M, Naeem A, Allen S, Kim JA, Struck AF. Epileptiform activity predicts epileptogenesis in cerebral hemorrhage. Annals Of Clinical And Translational Neurology 2022, 9: 1475-1480. PMID: 36030385, PMCID: PMC9463945, DOI: 10.1002/acn3.51637.Peer-Reviewed Original ResearchConceptsEpileptiform activitySubarachnoid hemorrhageRisk factorsRetrospective case-control studyNontraumatic intraparenchymal hemorrhagesDevelopment of epilepsyCase-control studyS scoresClinical seizuresAcute phaseCerebral hemorrhageIntraparenchymal hemorrhageHemorrhageSeizuresEpilepsyScoresEpileptogenesisPatientsActivityIntraparenchymal
2021
Antiseizure Medication Treatment and Outcomes in Patients with Subarachnoid Hemorrhage Undergoing Continuous EEG Monitoring
Zafar SF, Rosenthal ES, Postma EN, Sanches P, Ayub MA, Rajan S, Kim JA, Rubin DB, Lee H, Patel AB, Hsu J, Patorno E, Westover MB. Antiseizure Medication Treatment and Outcomes in Patients with Subarachnoid Hemorrhage Undergoing Continuous EEG Monitoring. Neurocritical Care 2021, 36: 857-867. PMID: 34843082, PMCID: PMC9117405, DOI: 10.1007/s12028-021-01387-x.Peer-Reviewed Original ResearchConceptsAneurysmal subarachnoid hemorrhageGood functional outcomeAntiseizure medicationsFunctional outcomeContinuous electroencephalographyEpileptiform activityLower likelihoodBetter outcomesAneurysm treatmentRetrospective single-center cohort studySingle-center cohort studyAntiseizure medication (ASM) treatmentElectroencephalographic epileptiform activityResultsNinety-four patientsDay of admissionContinuous EEG monitoringASM treatmentCEEG initiationCohort studyProspective trialHigh-intensity treatmentLow-intensity treatmentMedication treatmentSubarachnoid hemorrhageOutcome measuresElectroencephalography, Hospital Complications, and Longitudinal Outcomes After Subarachnoid Hemorrhage
Lissak IA, Locascio JJ, Zafar SF, Schleicher RL, Patel AB, Leslie-Mazwi T, Stapleton CJ, Koch MJ, Kim JA, Anderson K, Rosand J, Westover MB, Kimberly WT, Rosenthal ES. Electroencephalography, Hospital Complications, and Longitudinal Outcomes After Subarachnoid Hemorrhage. Neurocritical Care 2021, 35: 397-408. PMID: 33483913, PMCID: PMC7822587, DOI: 10.1007/s12028-020-01177-x.Peer-Reviewed Original ResearchConceptsHospital-acquired infectionsHospital complicationsEpileptiform abnormalitiesSubarachnoid hemorrhageCerebral ischemiaLongitudinal outcomesContinuous EEGNon-traumatic subarachnoid hemorrhageTime pointsNontraumatic subarachnoid hemorrhageEffects modelCumulative proportional odds modelRankin ScaleProspective studyFunctional outcomeResultsIn totalBaseline severityCEEG monitoringTherapeutic targetComplicationsSustained impairmentMRS assessmentSecondary analysisLongitudinal assessmentMixed effects modelsVessel wall MRI in ruptured cranial dural arteriovenous fistulas
Cord BJ, Renedo D, Santarosa C, Sujijantarat N, Antonios J, Kim JA, Falcone GJ, Sheth KN, Malhotra A, Matouk CC. Vessel wall MRI in ruptured cranial dural arteriovenous fistulas. Interventional Neuroradiology 2021, 27: 553-557. PMID: 33430655, PMCID: PMC8580544, DOI: 10.1177/1591019920988205.Peer-Reviewed Original ResearchConceptsCranial dural arteriovenous fistulasDural arteriovenous fistulaVessel wall MRIArteriovenous fistulaVW-MRIWall enhancementHigh-resolution vessel wall MRIBrain vascular malformationsTime three patientsSpontaneous subarachnoid hemorrhageMultiple intracranial aneurysmsVessel wall enhancementThree patientsVenous ectasiaMacrovascular lesionsSubarachnoid hemorrhageCase reportVascular malformationsBlood productsPreliminary experienceIntracranial aneurysmsFistulaPatientsPresumed siteMRI
2020
Soluble ST2 Is Associated With New Epileptiform Abnormalities Following Nontraumatic Subarachnoid Hemorrhage
Lissak IA, Zafar SF, Westover MB, Schleicher RL, Kim JA, Leslie-Mazwi T, Stapleton CJ, Patel AB, Kimberly WT, Rosenthal ES. Soluble ST2 Is Associated With New Epileptiform Abnormalities Following Nontraumatic Subarachnoid Hemorrhage. Stroke 2020, 51: 1128-1134. PMID: 32156203, PMCID: PMC7123848, DOI: 10.1161/strokeaha.119.028515.Peer-Reviewed Original ResearchConceptsPlasma sST2 levelsSoluble ST2Epileptiform abnormalitiesNontraumatic subarachnoid hemorrhageSubarachnoid hemorrhageSST2 levelsNeurophysiologic changesCerebral ischemiaIL-6Continuous electroencephalographyMeasures mixed-effects modelsInnate immune response pathwaysAdmission risk factorsPlasma soluble ST2Secondary brain injurySubgroup of patientsSubarachnoid hemorrhage patientsSerial plasma samplesAssociation of biomarkersInnate immune responseWilcoxon rank sum testImmune response pathwaysMixed-effects modelingRank sum testInflammatory biomarkers
2018
Effect of epileptiform abnormality burden on neurologic outcome and antiepileptic drug management after subarachnoid hemorrhage
Zafar SF, Postma EN, Biswal S, Boyle EJ, Bechek S, O'Connor K, Shenoy A, Kim J, Shafi MS, Patel AB, Rosenthal ES, Westover MB. Effect of epileptiform abnormality burden on neurologic outcome and antiepileptic drug management after subarachnoid hemorrhage. Clinical Neurophysiology 2018, 129: 2219-2227. PMID: 30212805, PMCID: PMC6478499, DOI: 10.1016/j.clinph.2018.08.015.Peer-Reviewed Original ResearchConceptsAnti-epileptic drugsAneurysmal subarachnoid hemorrhageEpileptiform abnormalitiesWorse outcomesSubarachnoid hemorrhageHigh-grade aSAH patientsEvidence-based treatment protocolsGlasgow Outcome ScoreAntiepileptic drug managementStandard prophylaxisNeurologic outcomeProphylactic protocolASAH patientsOutcome scoresDrug managementHigh burdenRetrospective analysisTreatment protocolOutcome measuresPatientsDaily burdenRhythmic activityFirst dayOutcomesBurden
2017
Electronic Health Data Predict Outcomes After Aneurysmal Subarachnoid Hemorrhage
Zafar SF, Postma EN, Biswal S, Fleuren L, Boyle EJ, Bechek S, O’Connor K, Shenoy A, Jonnalagadda D, Kim J, Shafi MS, Patel AB, Rosenthal ES, Westover MB. Electronic Health Data Predict Outcomes After Aneurysmal Subarachnoid Hemorrhage. Neurocritical Care 2017, 28: 184-193. PMID: 28983801, PMCID: PMC5886829, DOI: 10.1007/s12028-017-0466-8.Peer-Reviewed Original ResearchConceptsAneurysmal subarachnoid hemorrhageGlasgow Outcome ScaleWhite blood cellsIntracranial pressureAPACHE IIElectronic health dataSubarachnoid hemorrhageBetter outcomesSingle-center retrospective cohort studyDischarge Glasgow Outcome ScaleEarly goal-directed therapyAPACHE II scoreGoal-directed therapyRetrospective cohort studyMean arterial pressureRisk stratification scoresAdmission APACHE IIPredictors of outcomeMultivariate analysis predictorsLogistic regression modelsHealth dataAdmission dayII scoreNeurologic outcomeArterial pressureEpileptiform abnormalities predict delayed cerebral ischemia in subarachnoid hemorrhage
Kim JA, Rosenthal ES, Biswal S, Zafar S, Shenoy AV, O'Connor KL, Bechek SC, Moura J, Shafi MM, Patel AB, Cash SS, Westover MB. Epileptiform abnormalities predict delayed cerebral ischemia in subarachnoid hemorrhage. Clinical Neurophysiology 2017, 128: 1091-1099. PMID: 28258936, PMCID: PMC5476529, DOI: 10.1016/j.clinph.2017.01.016.Peer-Reviewed Original ResearchConceptsCerebral ischemiaSubarachnoid hemorrhageRisk of DCISecondary cerebral injuryRhythmic delta activityAbnormal neural activityNew potential targetsCerebral injuryEarly patientsEpileptiform abnormalitiesMedical recordsEpileptiform dischargesRetrospective analysisHigh riskDCI developmentDelta activityPatientsNovel markerIschemiaSurvival analysis methodsCumulative probabilityPotential targetNeural activityNew markersDCI