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
Enhanced 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 interventionsTorsadesPointesPredictors of Cardiac Perforation With Catheter Ablation of Atrial Fibrillation
Friedman DJ, Pokorney SD, Ghanem A, Marcello S, Kalsekar I, Yadalam S, Akar JG, Freeman JV, Goldstein L, Khanna R, Piccini JP. Predictors of Cardiac Perforation With Catheter Ablation of Atrial Fibrillation. JACC Clinical Electrophysiology 2020, 6: 636-645. PMID: 32553212, DOI: 10.1016/j.jacep.2020.01.011.Peer-Reviewed Original ResearchConceptsPrevious cardiac surgeryCardiac perforationAF ablationIntracardiac echocardiographyCardiac surgeryFemale sexDiagnosis of hemopericardiumPatient risk factorsSubset of patientsAtrial fibrillation ablationContemporary clinical practiceIntraprocedural intracardiac echocardiographyLogistic regression modelsCardiac tamponadeFatal complicationProcedural complicationsRare complicationCatheter ablationFibrillation ablationAtrial fibrillationModifiable factorsRisk factorsProcedural safetyRisk scoreLower risk
2017
Oxidative stress and inflammation as central mediators of atrial fibrillation in obesity and diabetes
Karam BS, Chavez-Moreno A, Koh W, Akar JG, Akar FG. Oxidative stress and inflammation as central mediators of atrial fibrillation in obesity and diabetes. Cardiovascular Diabetology 2017, 16: 120. PMID: 28962617, PMCID: PMC5622555, DOI: 10.1186/s12933-017-0604-9.Peer-Reviewed Original ResearchConceptsAtrial fibrillationOxidative stressCommon sustained cardiac arrhythmiaMaintenance of AFSustained cardiac arrhythmiaDiabetic heartElectrical remodelingRisk factorsAtrial excitabilityTherapeutic strategiesCardiac arrhythmiasInflammationCentral mediatorObesityDiabetesFibrillationMechanistic linkMellitusArrhythmiasExcitability
2012
Epicardial Fat and Atrial Fibrillation: A Review.
Al Chekakie MO, Akar JG. Epicardial Fat and Atrial Fibrillation: A Review. Journal Of Atrial Fibrillation And Electrophysiology 2012, 4: 483. PMID: 28496734, PMCID: PMC5153200, DOI: 10.4022/jafib.483.Peer-Reviewed Original Research
2010
Pericardial Fat Is Independently Associated With Human Atrial Fibrillation
Al Chekakie M, Welles CC, Metoyer R, Ibrahim A, Shapira AR, Cytron J, Santucci P, Wilber DJ, Akar JG. Pericardial Fat Is Independently Associated With Human Atrial Fibrillation. Journal Of The American College Of Cardiology 2010, 56: 784-788. PMID: 20797492, DOI: 10.1016/j.jacc.2010.03.071.Peer-Reviewed Original ResearchConceptsPericardial fat volumeParoxysmal atrial fibrillationPersistent atrial fibrillationAtrial fibrillationPericardial fatFat volumeAtrial enlargementSinus rhythmPathogenesis of AFSinus rhythm groupTraditional risk factorsVentricular ejection fractionValvular heart diseaseBody mass indexVisceral adipose tissuePersistent AF patientsHuman atrial fibrillationAF independentAF patientsDiabetes mellitusEjection fractionMass indexHeart diseaseRisk factorsInflammatory properties
2008
Acute Onset Human Atrial Fibrillation Is Associated With Local Cardiac Platelet Activation and Endothelial Dysfunction
Akar JG, Jeske W, Wilber DJ. Acute Onset Human Atrial Fibrillation Is Associated With Local Cardiac Platelet Activation and Endothelial Dysfunction. Journal Of The American College Of Cardiology 2008, 51: 1790-1793. PMID: 18452786, DOI: 10.1016/j.jacc.2007.11.083.Peer-Reviewed Original ResearchConceptsAcute onset atrial fibrillationSystemic platelet activationRisk factorsPlatelet activationHypercoagulable stateAtrial fibrillationAF groupThrombin generationBlood samplesControl groupUnderwent radiofrequency catheter ablationPlatelet P-selectin expressionOnset atrial fibrillationBaseline blood samplesRadiofrequency catheter ablationMinutes of onsetBeats/minP-selectin expressionBurst atrial pacingHuman atrial fibrillationNitric oxide productionEnzyme-linked immunosorbentLocal thrombin generationInflammatory markersProthrombotic state