2024
PO-05-130 DEMONSTRATING THE IMPACT OF LESION ORIENTATION ON ABLATION EFFICIENCY IN AN ANISOTROPIC MODEL OF PERSISTENT ATRIAL FIBRILLATION
Reiss M, Mulimani M, Luther S, Akar J, Rappel W, Akar F, Hummel J. PO-05-130 DEMONSTRATING THE IMPACT OF LESION ORIENTATION ON ABLATION EFFICIENCY IN AN ANISOTROPIC MODEL OF PERSISTENT ATRIAL FIBRILLATION. Heart Rhythm 2024, 21: s535. DOI: 10.1016/j.hrthm.2024.03.1365.Peer-Reviewed Original ResearchMP-470551-008 ATRIAL FIBRILLATION IN MICE WITH AMPK DELETION IS MEDIATED BY TRIGGERED ACTIVITY FROM THE PULMONARY VEIN JUNCTION
Cacheux M, Velasco J, Wu X, Akar J, Young L, Akar F. MP-470551-008 ATRIAL FIBRILLATION IN MICE WITH AMPK DELETION IS MEDIATED BY TRIGGERED ACTIVITY FROM THE PULMONARY VEIN JUNCTION. Heart Rhythm 2024, 21: s107. DOI: 10.1016/j.hrthm.2024.03.1772.Peer-Reviewed Original Research
2021
B-PO02-027 RIGHT PREDOMINANT ELECTRICAL REMODELING IN A PURE MODEL OF PULMONARY HYPERTENSION PROMOTES REENTRANT ARRHYTHMIAS
Strauss B, Obus E, Katz M, Fargnoli A, Cacheux M, Akar J, Hummel J, Sassi Y, Akar F. B-PO02-027 RIGHT PREDOMINANT ELECTRICAL REMODELING IN A PURE MODEL OF PULMONARY HYPERTENSION PROMOTES REENTRANT ARRHYTHMIAS. Heart Rhythm 2021, 18: s106. DOI: 10.1016/j.hrthm.2021.06.284.Peer-Reviewed Original Research
2019
Recurrence quantification analysis of complex‐fractionated electrograms differentiates active and passive sites during atrial fibrillation
Baher A, Buck B, Fanarjian M, Mounsey J, Gehi A, Chung E, Akar FG, Webber CL, Akar JG, Hummel JP. Recurrence quantification analysis of complex‐fractionated electrograms differentiates active and passive sites during atrial fibrillation. Journal Of Cardiovascular Electrophysiology 2019, 30: 2229-2238. PMID: 31507008, DOI: 10.1111/jce.14161.Peer-Reviewed Original Research
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
2015
LKB1 deletion causes early changes in atrial channel expression and electrophysiology prior to atrial fibrillation
Kim GE, Ross JL, Xie C, Su KN, Zaha VG, Wu X, Palmeri M, Ashraf M, Akar JG, Russell KS, Akar FG, Young LH. LKB1 deletion causes early changes in atrial channel expression and electrophysiology prior to atrial fibrillation. Cardiovascular Research 2015, 108: 197-208. PMID: 26378152, PMCID: PMC4571838, DOI: 10.1093/cvr/cvv212.Peer-Reviewed Original ResearchConceptsLiver kinase B1Protein kinaseLKB1 deletionMetabolic regulator AMPAtrial fibrillationChannel expressionMHC-CreElectrophysiological functionKnockout mouse modelRelated kinasesLKB1 pathwayGene expressionPerpetuation of AFKinase B1Neonatal atrial myocytesΑMHC-CreKinasePostnatal day 1Patch-clamp recordingsAtrial growthWeeks of ageDeletionSodium current densityAction potential generationSpecific role
2007
Regulation of ion channels and arrhythmias in the ischemic heart
Akar JG, Akar FG. Regulation of ion channels and arrhythmias in the ischemic heart. Journal Of Electrocardiology 2007, 40: s37-s41. PMID: 17993326, DOI: 10.1016/j.jelectrocard.2007.05.020.Peer-Reviewed Original ResearchConceptsIschemic injuryElectrophysiological changesIschemic heart diseaseBest treatment strategyCoronary eventsReperfusion phaseVentricular arrhythmiasIschemic episodesHeart diseaseLeading causeElectrical dysfunctionTreatment strategiesIschemic heartMetabolic substratesPatientsArrhythmiasKey cellularTime courseInjuryIon channelsHeartDysfunctionMortalityDisease
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
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