2024
Observational study protocol for an arrhythmia notification feature
Kumar S, Weinstein J, Melchinger H, Smith A, Capodilupo E, Akar J, Garg K, O’Connor K, Staunton M, Martin M, Akhlaghi N, Edeh O, Perez S, Lee V, Lee K, Wilson F. Observational study protocol for an arrhythmia notification feature. BMJ Open 2024, 14: e075110. PMID: 38830741, PMCID: PMC11149124, DOI: 10.1136/bmjopen-2023-075110.Peer-Reviewed Original ResearchConceptsAtrial fibrillationInstitution of appropriate treatmentGold standardClinical research journalsAssessment of risk factorsObservational study protocolRecruited participantsEthics BoardGeneral populationDiagnosed AFHealthy controlsPrimary outcomeAppropriate treatmentStudy protocolRisk factorsConsent documentsWHOOP strapParticipantsArrhythmiasDetect AFWearable technology
2020
Temporal Trends in Arrhythmogenicity Related to Treatment of COVID-19 Infection
Hummel JP, Maraj I, Taoutel R, Chamoun R, Workman VK, Tran L, Abboud JM, Afif C, Chouairi S, Delvecchio A, Howes CJ, Enriquez AD, Akar JG. Temporal Trends in Arrhythmogenicity Related to Treatment of COVID-19 Infection. Circulation Arrhythmia And Electrophysiology 2020, 13: e008841-e008841. PMID: 32931318, PMCID: PMC7566294, DOI: 10.1161/circep.120.008841.Peer-Reviewed Original ResearchReply to: “QT prolongation with hydroxychloroquine and azithromycin for the treatment of COVID‐19: The need for pharmacogenetic insights”
Hummel JP, Akar JG. Reply to: “QT prolongation with hydroxychloroquine and azithromycin for the treatment of COVID‐19: The need for pharmacogenetic insights”. Journal Of Cardiovascular Electrophysiology 2020, 31: 2795-2795. PMID: 32864768, DOI: 10.1111/jce.14721.Peer-Reviewed Original ResearchEnhanced electrocardiographic monitoring of patients with Coronavirus Disease 2019
Jain S, Workman V, Ganeshan R, Obasare ER, Burr A, DeBiasi RM, Freeman JV, Akar J, Lampert R, Rosenfeld LE. Enhanced electrocardiographic monitoring of patients with Coronavirus Disease 2019. Heart Rhythm 2020, 17: 1417-1422. PMID: 32387247, PMCID: PMC7200355, DOI: 10.1016/j.hrthm.2020.04.047.Peer-Reviewed Original ResearchConceptsQT prolongationCoronavirus disease 2019Electrocardiographic monitoringDisease 2019Pandemic coronavirus disease 2019QT-prolonging medicationsModifiable risk factorsIntensive care unitQT-prolonging drugsOngoing pandemic coronavirus disease 2019Assessment-Recommendation (SBAR) toolCOVID-19Electrophysiology serviceElectrolyte abnormalitiesCare unitUnique patientsPrimary teamRisk factorsPatientsPatient safetyECG monitoringProlongationRelevant interventionsTorsadesPointes
2019
Outcomes and costs of remote patient monitoring among patients with implanted cardiac defibrillators: An economic model based on the PREDICT RM database
Hummel JP, Leipold RJ, Amorosi SL, Bao H, Deger KA, Jones PW, Kansal AR, Ott LS, Stern S, Stein K, Curtis JP, Akar JG. Outcomes and costs of remote patient monitoring among patients with implanted cardiac defibrillators: An economic model based on the PREDICT RM database. Journal Of Cardiovascular Electrophysiology 2019, 30: 1066-1077. PMID: 30938894, PMCID: PMC6850124, DOI: 10.1111/jce.13934.Peer-Reviewed Original ResearchAgedAged, 80 and overArrhythmias, CardiacCost-Benefit AnalysisDatabases, FactualDeath, Sudden, CardiacDefibrillators, ImplantableElectric CountershockFemaleHealth Care CostsHumansMaleMedicareModels, EconomicPatient ReadmissionPredictive Value of TestsQuality-Adjusted Life YearsRegistriesRemote Sensing TechnologyTelemetryTime FactorsTreatment OutcomeUnited States
2017
Arrhythmias after left ventricular assist device implantation: Incidence and management
Kadado AJ, Akar JG, Hummel JP. Arrhythmias after left ventricular assist device implantation: Incidence and management. Trends In Cardiovascular Medicine 2017, 28: 41-50. PMID: 28734595, DOI: 10.1016/j.tcm.2017.07.002.Peer-Reviewed Original ResearchConceptsLeft ventricular assist deviceMechanical circulatory supportVentricular arrhythmiasCirculatory supportContinuous-flow devicesVentricular assist device implantationAssist device implantationNewer-generation continuous-flow devicesHeart failure patientsVentricular assist deviceImplant ICDsFailure patientsHemodynamic supportLVAD recipientsHeart failureDevice implantationFatal outcomeDestination therapySudden deathLethal arrhythmiasMortality ratePatientsArrhythmiasAssist deviceLVAD deviceDeleterious protein‐altering mutations in the SCN10A voltage‐gated sodium channel gene are associated with prolonged QT
Ziki M, Seidelmann SB, Smith E, Atteya G, Jiang Y, Fernandes RG, Marieb MA, Akar JG, Mani A. Deleterious protein‐altering mutations in the SCN10A voltage‐gated sodium channel gene are associated with prolonged QT. Clinical Genetics 2017, 93: 741-751. PMID: 28407228, PMCID: PMC5640462, DOI: 10.1111/cge.13036.Peer-Reviewed Original ResearchConceptsLong QT syndromeSCN10A mutationsWhole-exome sequencingVoltage-gated sodium channel geneCongenital long QT syndromeHistory of palpitationsQT prolonging medicationsLife-threatening complicationsIdiopathic long QT syndromeProtein-altering mutationsSodium channel geneConfirmatory Sanger sequencingMutation burden analysisGenetic programAtrial fibrillationIdentifiable causeProlonged QTChannel genesMutation carriersArrhythmia genesQT syndromeGenesLQTS genesFrameshift mutationGenetic cause
2014
Heart Rhythm Society Expert Consensus Statement on Electrophysiology Laboratory Standards: Process, Protocols, Equipment, Personnel, and Safety
Haines DE, Beheiry S, Akar JG, Baker JL, Beinborn D, Beshai JF, Brysiewicz N, Chiu-Man C, Collins KK, Dare M, Fetterly K, Fisher JD, Hongo R, Irefin S, Lopez J, Miller JM, Perry JC, Slotwiner DJ, Tomassoni GF, Weiss E. Heart Rhythm Society Expert Consensus Statement on Electrophysiology Laboratory Standards: Process, Protocols, Equipment, Personnel, and Safety. Heart Rhythm 2014, 11: e9-e51. PMID: 24814989, PMCID: PMC7106221, DOI: 10.1016/j.hrthm.2014.03.042.Peer-Reviewed Original Research
2006
Mapping arrhythmias in the failing heart: from Langendorff to patient
Akar JG, Akar FG. Mapping arrhythmias in the failing heart: from Langendorff to patient. Journal Of Electrocardiology 2006, 39: s19-s23. PMID: 16920143, DOI: 10.1016/j.jelectrocard.2006.03.011.Peer-Reviewed Educational MaterialsConceptsHeart failureVentricular arrhythmiasOptical action potential mappingSudden cardiac deathCardiac deathIntact tissue preparationsCardiac remodelingMost arrhythmiasArrhythmic substrateArrhythmiasElectrophysiological propertiesMapping arrhythmiasTissue levelsIndividual myocytesMajor causeReentrant excitationOrgan system levelPatientsMultiple mechanismsTissue preparationsHeartRecent findingsHost of changesCellular studiesLangendorff