2024
Cerebral edema following cardiac arrest: Are all shades of gray equal?
Beekman R, Gilmore E. Cerebral edema following cardiac arrest: Are all shades of gray equal? Resuscitation 2024, 198: 110213. PMID: 38636600, DOI: 10.1016/j.resuscitation.2024.110213.Peer-Reviewed Original Research
2023
Detection of Intracerebral Hemorrhage Using Low-Field, Portable Magnetic Resonance Imaging in Patients With Stroke
Mazurek M, Parasuram N, Peng T, Beekman R, Yadlapalli V, Sorby-Adams A, Lalwani D, Zabinska J, Gilmore E, Petersen N, Falcone G, Sujijantarat N, Matouk C, Payabvash S, Sze G, Schiff S, Iglesias J, Rosen M, de Havenon A, Kimberly W, Sheth K. Detection of Intracerebral Hemorrhage Using Low-Field, Portable Magnetic Resonance Imaging in Patients With Stroke. Stroke 2023, 54: 2832-2841. PMID: 37795593, PMCID: PMC11103256, DOI: 10.1161/strokeaha.123.043146.Peer-Reviewed Original ResearchDevelopment and validation of a novel score to predict brain death after out-of-hospital cardiac arrest
Kitlen E, Kim N, Rubenstein A, Keenan C, Garcia G, Khosla A, Johnson J, Miller P, Wira C, Greer D, Gilmore E, Beekman R. Development and validation of a novel score to predict brain death after out-of-hospital cardiac arrest. Resuscitation 2023, 192: 109955. PMID: 37661012, DOI: 10.1016/j.resuscitation.2023.109955.Peer-Reviewed Original ResearchConceptsHospital cardiac arrestBrain deathCardiac arrestOptimal cutEtiology of arrestDeath risk scoreNon-shockable rhythmOperator characteristic curveHours of arrestCenter cohortIndependent predictorsSulcal effacementUnResponsiveness (FOUR) scoreValidation cohortDevelopment cohortMAIN OUTCOMEHigh riskRisk scoreAcademic centersNovel scoreOHCACohortInternal validationRadiology reportsCharacteristic curveValidation of the rCAST score and comparison to the PCAC and FOUR scores for prognostication after out-of-hospital cardiac arrest
Kim N, Kitlen E, Garcia G, Khosla A, Miller P, Johnson J, Wira C, Greer D, Gilmore E, Beekman R. Validation of the rCAST score and comparison to the PCAC and FOUR scores for prognostication after out-of-hospital cardiac arrest. Resuscitation 2023, 188: 109832. PMID: 37178901, DOI: 10.1016/j.resuscitation.2023.109832.Peer-Reviewed Original ResearchConceptsPoor neurologic outcomeUnited States cohortHospital cardiac arrestOHCA patientsNeurologic outcomeCardiac arrestPost-cardiac arrest syndromePoor neurological outcomeScore predictive abilityHospital mortalityNeurological outcomeUnResponsiveness (FOUR) scorePoor outcomeRetrospective studyAccurate outcome predictionPrognostic performanceFull OutlineDeLong testOutcome predictionPatientsMortalityOutcomesScoresCohortPredictive abilityExpanding beyond ischemic stroke: A qualitative MRI score that facilitates outcome prediction in patients with hypoxic ischemic brain injury
Beekman R, Hirsch K. Expanding beyond ischemic stroke: A qualitative MRI score that facilitates outcome prediction in patients with hypoxic ischemic brain injury. Resuscitation 2023, 187: 109800. PMID: 37080336, DOI: 10.1016/j.resuscitation.2023.109800.Peer-Reviewed Original ResearchBrain imaging after cardiac arrest
Beekman R, Hirsch K. Brain imaging after cardiac arrest. Current Opinion In Critical Care 2023, 29: 192-198. PMID: 37078612, DOI: 10.1097/mcc.0000000000001032.Peer-Reviewed Original ResearchConceptsCardiac arrestComputed tomographyLong-term neurological outcomeQuantitative analysis of CTPrediction of long-term neurologic outcomeInterpretation of CTAnalysis of CTInterpreting CTBrain imagingNovel imaging techniquesNeurological outcomePoor outcomeDisorders of consciousnessNeurological injuryLack of specificityMRIInter-rater reliabilityQuantitative image analysisArrestOutcomesImaging techniquesBrainMultimodal assessmentMethodological limitationsPatientsEmergent external ventricular drain placement in patients with factor Xa inhibitor-associated intracerebral hemorrhage after reversal with andexanet alfa
Ammar A, Elsamadicy A, Ammar M, Reeves B, Koo A, Falcone G, Hwang D, Petersen N, Kim J, Beekman R, Prust M, Magid-Bernstein J, Acosta J, Herbert R, Sheth K, Matouk C, Gilmore E. Emergent external ventricular drain placement in patients with factor Xa inhibitor-associated intracerebral hemorrhage after reversal with andexanet alfa. Clinical Neurology And Neurosurgery 2023, 226: 107621. PMID: 36791588, DOI: 10.1016/j.clineuro.2023.107621.Peer-Reviewed Original ResearchConceptsAndexanet alfaExtra-axial hemorrhageEVD placementThrombotic eventsNew hemorrhagePrimary safety outcomeExternal ventricular drain placementLarge prospective studiesIntensive care unitIntracerebral hemorrhage patientsVentricular drain placementBolus patientsHospital lengthHospital LOSICU LOSTract hemorrhageRankin scoreSecondary outcomesAdult patientsBolus groupPrimary outcomeCare unitIntracerebral hemorrhageLong administration timeHemorrhage patientsFuture of Neurology & Technology: Neuroimaging Made Accessible Using Low-Field, Portable MRI
Parasuram N, Crawford A, Mazurek M, Chavva I, Beekman R, Gilmore E, Petersen N, Payabvash S, Sze G, Eugenio Iglesias J, Omay S, Matouk C, Longbrake E, de Havenon A, Schiff S, Rosen M, Kimberly W, Sheth K. Future of Neurology & Technology: Neuroimaging Made Accessible Using Low-Field, Portable MRI. Neurology 2023, 100: 1067-1071. PMID: 36720639, PMCID: PMC10259275, DOI: 10.1212/wnl.0000000000207074.Peer-Reviewed Original Research
2022
Bedside monitoring of hypoxic ischemic brain injury using low-field, portable brain magnetic resonance imaging after cardiac arrest
Beekman R, Crawford A, Mazurek MH, Prabhat AM, Chavva IR, Parasuram N, Kim N, Kim JA, Petersen N, de Havenon A, Khosla A, Honiden S, Miller PE, Wira C, Daley J, Payabvash S, Greer DM, Gilmore EJ, Kimberly W, Sheth KN. Bedside monitoring of hypoxic ischemic brain injury using low-field, portable brain magnetic resonance imaging after cardiac arrest. Resuscitation 2022, 176: 150-158. PMID: 35562094, PMCID: PMC9746653, DOI: 10.1016/j.resuscitation.2022.05.002.Peer-Reviewed Original ResearchConceptsCardiac arrestBrain injuryHypoxic-ischemic brain injuryAdverse neurological outcomesIschemic brain injurySingle-center studyBrain magnetic resonanceBrain injury severityBoard-certified neuroradiologistsLow-field MRIFLAIR signal intensityNeurological outcomeCA patientsIll patientsMRI findingsCA survivorsCenter studyMRI examinationsClinical careHigh riskInjury severityPatientsSignal intensityBedside monitoringMR imagingSurvivorship from cardiac arrest: Outcomes uncensored by withdrawal of life sustaining therapy
Beekman R, Gilmore EJ. Survivorship from cardiac arrest: Outcomes uncensored by withdrawal of life sustaining therapy. Resuscitation 2022, 174: 102-103. PMID: 35318103, DOI: 10.1016/j.resuscitation.2022.03.008.Peer-Reviewed Original Research
2021
Outcomes of Endovascular Therapy in Patients With Prestroke Mobility Impairment
Beekman R, Sun JL, Alhanti B, Schwamm LH, Smith EE, Bhatt DL, Xian Y, Shah S, Lytle BL, Fonarow GC, Sheth KN. Outcomes of Endovascular Therapy in Patients With Prestroke Mobility Impairment. Stroke 2021, 52: e725-e728. PMID: 34517771, DOI: 10.1161/strokeaha.121.034464.Peer-Reviewed Original ResearchConceptsEndovascular thrombectomyGuidelines-Stroke registrySymptomatic intracranial hemorrhageMobility impairmentsLogistic regression modelsHospital deathEndovascular therapyClinical benefitIntracranial hemorrhageAdverse outcomesClinical trialsThrombectomyPatientsOutcomesFurther studiesImpairmentRegression modelsNational data setsSafetyHemorrhageRegistryTherapyPopulationHospiceTrialsPortable, bedside, low-field magnetic resonance imaging for evaluation of intracerebral hemorrhage
Mazurek MH, Cahn BA, Yuen MM, Prabhat AM, Chavva IR, Shah JT, Crawford AL, Welch EB, Rothberg J, Sacolick L, Poole M, Wira C, Matouk CC, Ward A, Timario N, Leasure A, Beekman R, Peng TJ, Witsch J, Antonios JP, Falcone GJ, Gobeske KT, Petersen N, Schindler J, Sansing L, Gilmore EJ, Hwang DY, Kim JA, Malhotra A, Sze G, Rosen MS, Kimberly WT, Sheth KN. Portable, bedside, low-field magnetic resonance imaging for evaluation of intracerebral hemorrhage. Nature Communications 2021, 12: 5119. PMID: 34433813, PMCID: PMC8387402, DOI: 10.1038/s41467-021-25441-6.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingNIH Stroke ScaleIntracerebral hemorrhageHematoma volumeYale-New Haven HospitalStroke care pathwayConventional magnetic resonance imagingBoard-certified neuroradiologistsNew Haven HospitalResource-limited settingsStroke ScaleClinical outcomesLow-field magnetic resonance imagingCare pathwayLow-field magnetic resonanceRadiological examinationConventional neuroimagingAdvanced MRI technologiesResonance imagingCases of disagreementHemorrhageMRI technologyPortable MRINeuroimagingMagnetic resonanceEarly head CT in post-cardiac arrest patients: A helpful tool or contributor to self-fulfilling prophecy?
Beekman R, Maciel CB, Ormseth CH, Zhou SE, Galluzzo D, Miyares LC, Torres-Lopez VM, Payabvash S, Mak A, Greer DM, Gilmore EJ. Early head CT in post-cardiac arrest patients: A helpful tool or contributor to self-fulfilling prophecy? Resuscitation 2021, 165: 68-76. PMID: 34147572, DOI: 10.1016/j.resuscitation.2021.06.004.Peer-Reviewed Original ResearchConceptsGray-white matter ratioHCT findingsArrest patientsInter-rater reliabilityPost-cardiac arrest patientsTertiary care academic medical centerEarly head CTPost-CA carePost-CA patientsCardiac arrest patientsHalf of casesAcademic medical centerElectronic medical recordsWithdrawal of lifeNeurophysiologic testingSpontaneous circulationInjury burdenMedical recordsHead CTTherapeutic decisionsMedical CenterPatientsNeurointensivistsHctTemperature managementNeuromonitoring After Cardiac Arrest Can Twenty-First Century Medicine Personalize Post Cardiac Arrest Care?
Beekman R, Maciel CB, Balu R, Greer DM, Gilmore EJ. Neuromonitoring After Cardiac Arrest Can Twenty-First Century Medicine Personalize Post Cardiac Arrest Care? Neurologic Clinics 2021, 39: 273-292. PMID: 33896519, DOI: 10.1016/j.ncl.2021.01.002.Peer-Reviewed Original ResearchConceptsSecondary brain injuryCardiac arrest careBrain injuryArrest carePost-cardiac arrest syndromeHypoxic-ischemic brain injuryPost-cardiac arrest careEtiology of arrestSecondary neurologic injuryCardiac arrest survivorsNeurologic comorbiditiesNeuromonitoring toolsNeurologic injuryArrest survivorsCardiac arrestNeuromonitoring techniquesCerebral physiologyPhysiologic variablesIndividualized approachRisk profileInjuryHeterogeneous populationCareArrestComorbidities
2019
Differential outcomes following successful resuscitation in cardiac arrest due to drug overdose
Ormseth CH, Maciel CB, Zhou SE, Barden MM, Miyares LC, Beekman RB, Gilmore EJ, Greer DM. Differential outcomes following successful resuscitation in cardiac arrest due to drug overdose. Resuscitation 2019, 139: 9-16. PMID: 30965094, DOI: 10.1016/j.resuscitation.2019.04.004.Peer-Reviewed Original ResearchConceptsCardiac arrestNeurological recoveryClinical characteristicsDrug overdoseBrain deathCerebral Performance Category scoreCA casesFavorable neurological recoverySimilar neurological recoveryLarge prospective studiesPositive toxicology screenRankin Scale scorePotential treatment optionSingle academic institutionBystander cardiopulmonary resuscitationHospital dischargeInpatient mortalitySuccessful resuscitationToxicology screenProspective studyTreatment optionsMedical recordsMedication administrationCardiopulmonary resuscitationRetrospective analysisDistinct predictive values of current neuroprognostic guidelines in post-cardiac arrest patients
Zhou SE, Maciel CB, Ormseth CH, Beekman R, Gilmore EJ, Greer DM. Distinct predictive values of current neuroprognostic guidelines in post-cardiac arrest patients. Resuscitation 2019, 139: 343-350. PMID: 30951843, PMCID: PMC6589093, DOI: 10.1016/j.resuscitation.2019.03.035.Peer-Reviewed Original ResearchConceptsPost-cardiac arrest patientsAmerican Heart AssociationArrest patientsPredictive valueDiffuse hypoxic-ischemic injurySingle tertiary care centerDistinct predictive valuesHypoxic-ischemic injuryOutcomes of patientsTertiary care centerLife-sustaining therapyIntensive care medicineFalse positive rateAAN guidelinesAHA guidelinesHospital recordsCardiac arrestHeart AssociationCare centerCurrent guidelinesCare medicineBetter outcomesBiochemical findingsPatientsAmerican Academy
2018
Author response
Beekman R, Greer DM, Brooks DC, Maciel CB. Author response. Neurology 2018, 91: 103. PMID: 29987180, DOI: 10.1212/wnl.0000000000005770.Peer-Reviewed Original Research
2017
Clinical Reasoning
Beekman RB, Greer DM, Brooks DC, Maciel CB. Clinical Reasoning. Neurology 2017, 89: e239-e244. PMID: 29133614, DOI: 10.1212/wnl.0000000000004649.Peer-Reviewed Original Research