2024
Procedural Volume and Outcomes with Atrial Fibrillation Ablation: A Report from the NCDR AFib Ablation Registry
Kattel S, Tan Z, Lin Z, Mszar R, Sanders P, Zeitler E, Zei P, Bunch T, Mansour M, Akar J, Curtis J, Friedman D, Freeman J. Procedural Volume and Outcomes with Atrial Fibrillation Ablation: A Report from the NCDR AFib Ablation Registry. Heart Rhythm 2024 PMID: 38960302, DOI: 10.1016/j.hrthm.2024.06.056.Peer-Reviewed Original ResearchProcedure volumeProcedural successVolume outcome relationshipAblation RegistryPhysician procedure volumeAtrial fibrillationPhysician volumeFirst-time AF ablationU.S. hospitalsNational cohortLikelihood of procedural successHospital volumeAcute procedural successAtrial fibrillation ablationPhysiciansHospitalAF ablationCompare outcomesNCDRRegistryAdverse eventsOutcome relationshipAnnual volumeMAE rateOutcomes
2023
Atrial fibrosis by cardiac MRI is a correlate for atrial stiffness in patients with atrial fibrillation
Lamy J, Taoutel R, Chamoun R, Akar J, Niederer S, Mojibian H, Huber S, Baldassarre L, Meadows J, Peters D. Atrial fibrosis by cardiac MRI is a correlate for atrial stiffness in patients with atrial fibrillation. The International Journal Of Cardiovascular Imaging 2023, 40: 107-117. PMID: 37857929, PMCID: PMC11378145, DOI: 10.1007/s10554-023-02968-x.Peer-Reviewed Original ResearchConceptsLate gadolinium enhancementLA reservoir strainLeft atrial pressureLA volumeReservoir strainLA fibrosisLA strainStiffness indexLA late gadolinium enhancementAtrial stiffness indexMaximal LA volumeAtrial fibrillation cohortLA minimum volumeAtrial tissue fibrosisMaximum LA volumeCardiac MR examsAtrial stiffnessAtrial strainAF ablationAtrial pressureAF cohortAtrial fibrillationAtrial fibrosisPatient subgroupsLGE volumeInitial Findings From the National Cardiovascular Data Registry of Atrial Fibrillation Ablation Procedures
Hsu J, Darden D, Du C, Marine J, Nichols S, Marcus G, Natale A, Noseworthy P, Selzman K, Varosy P, Masoudi F, Freeman J, Curtis J, Akar J, Kowey P. Initial Findings From the National Cardiovascular Data Registry of Atrial Fibrillation Ablation Procedures. Journal Of The American College Of Cardiology 2023, 81: 867-878. PMID: 36858707, DOI: 10.1016/j.jacc.2022.11.060.Peer-Reviewed Original ResearchConceptsAtrial fibrillation ablation proceduresAblation RegistryHospital outcomesAblation proceduresSuccessful pulmonary vein isolationNational Cardiovascular Data RegistryOutcomes of patientsProspective cohort studyMajority of patientsPulmonary vein isolationEvidence-based guidelinesDifferent patient outcomesReal-world prevalenceProcedural admissionsHospital deathAF ablationCohort studyPericardial effusionVein isolationHeart failureLarge multicenterMajor complicationsCatheter ablationTreatment patternsPatient population
2022
Sex-based differences in atrial fibrillation ablation adverse events
Mszar R, Friedman D, Ong E, Du C, Wang Y, Zeitler E, Cunningham S, Akar J, Curtis J, Freeman J. Sex-based differences in atrial fibrillation ablation adverse events. Heart 2022, 109: 595-605. PMID: 36104219, DOI: 10.1136/heartjnl-2022-321192.Peer-Reviewed Original ResearchConceptsAcute pulmonary vein isolationAdverse eventsPulmonary vein isolationAtrial fibrillationHigh riskSex-based differencesVein isolationCatheter ablationFemale sexLarge prospective registryHospital adverse eventsMajor adverse eventsObservational cohort studyPhrenic nerve damageAF ablation proceduresQuality of lifeAblation RegistryMore comorbiditiesProspective registryAF ablationCohort studyPericardial effusionNerve damagePatient sexVascular injury
2020
Predictors 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
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
2008
Prospective Study of Atrial Fibrillation Termination During Ablation Guided by Automated Detection of Fractionated Electrograms
PORTER M, SPEAR W, AKAR JG, HELMS R, BRYSIEWICZ N, SANTUCCI P, WILBER DJ. Prospective Study of Atrial Fibrillation Termination During Ablation Guided by Automated Detection of Fractionated Electrograms. Journal Of Cardiovascular Electrophysiology 2008, 19: 613-620. PMID: 18462320, DOI: 10.1111/j.1540-8167.2008.01189.x.Peer-Reviewed Original ResearchConceptsPersistent atrial fibrillationAtrial fibrillationParoxysmal atrial fibrillationInitial AF ablationOne-year freedomRecurrent atrial arrhythmiasSingle-procedure outcomesAntiarrhythmic drug therapySelection of patientsSpontaneous atrial fibrillationSites/patientAF termination rateHigher AF termination rateAtrial fibrillation terminationAF ablationProspective studyAtrial arrhythmiasPulmonary veinsDrug therapyAdditional ablationAtrial septumProcedure outcomesPatientsAtrial electrogramsCFAE sites