2024
Atrial cardiomyopathy revisited—evolution of a concept: a clinical consensus statement of the European Heart Rhythm Association (EHRA) of the ESC, the Heart Rhythm Society (HRS), the Asian Pacific Heart Rhythm Society (APHRS), and the Latin American Heart Rhythm Society (LAHRS)
Goette A, Corradi D, Dobrev D, Aguinaga L, Cabrera J, Chugh S, de Groot J, Soulat-Dufour L, Fenelon G, Hatem S, Jalife J, Lin Y, Lip G, Marcus G, Murray K, Pak H, Schotten U, Takahashi N, Yamaguchi T, Zoghbi W, Nattel S, Mont L, Akar J, Akoum N, Althoff T, Diaz J, Guichard J, Jadidi A, Kalman J, Lim H, Teixeira R. Atrial cardiomyopathy revisited—evolution of a concept: a clinical consensus statement of the European Heart Rhythm Association (EHRA) of the ESC, the Heart Rhythm Society (HRS), the Asian Pacific Heart Rhythm Society (APHRS), and the Latin American Heart Rhythm Society (LAHRS). EP Europace 2024, 26: euae204. PMID: 39077825, PMCID: PMC11431804, DOI: 10.1093/europace/euae204.Peer-Reviewed Original ResearchConceptsEuropean Heart Rhythm AssociationLatin American Heart Rhythm SocietyHeart Rhythm SocietyClinical consensus statementAtrial fibrillationConsensus statementDevelopment of atrial fibrillationConsensus documentAtrial cardiomyopathyStaging systemElectrophysiological changesClinical validationExpert working groupAtrial geometryHeartProcedural 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 rateOutcomesObservational 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
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 volumePPP1R12C Promotes Atrial Hypocontractility in Atrial Fibrillation
Perike S, Gonzalez-Gonzalez F, Abu-Taha I, Damen F, Hanft L, Lizama K, Aboonabi A, Capote A, Aguilar-Sanchez Y, Levin B, Han Z, Sridhar A, Grand J, Martin J, Akar J, Warren C, Solaro R, Ong S, Darbar D, McDonald K, Goergen C, Wolska B, Dobrev D, Wehrens X, McCauley M. PPP1R12C Promotes Atrial Hypocontractility in Atrial Fibrillation. Circulation Research 2023, 133: 758-771. PMID: 37737016, PMCID: PMC10616980, DOI: 10.1161/circresaha.123.322516.Peer-Reviewed Original ResearchConceptsSinus rhythm controlsAtrial hypocontractilityAF inducibilityAtrial contractilityAtrial fibrillationRhythm controlHuman patientsRight atrial appendage tissuePacing-induced AFThromboembolic stroke riskAtrial ejection fractionAtrial appendage tissueAtrial HL-1 cellsHL-1 cellsAtrial strainStroke riskAtrial sizeEjection fractionContractile functionElectrophysiology studyHypocontractilityWestern blotPatientsAtrial myosin light chainSarcomere functionPO-02-202 CORONARY SINUS PRESSURE FOLLOWING RETROGRADE CARDIOPLEGIA PREDICTS POSTOPERATIVE ATRIAL FIBRILLATION
Kawkabani N, Farah R, Boustros O, Khoury A, Ghanem M, Khalil B, Akar J. PO-02-202 CORONARY SINUS PRESSURE FOLLOWING RETROGRADE CARDIOPLEGIA PREDICTS POSTOPERATIVE ATRIAL FIBRILLATION. Heart Rhythm 2023, 20: s311-s312. DOI: 10.1016/j.hrthm.2023.03.1585.Peer-Reviewed Original Research
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 injuryPO-657-07 SPONTANEOUS RESTORATION OF SINUS RHYTHM AFTER INTER ATRIAL SHUNT PLACEMENT IN A PATIENT WITH LONGSTANDING PERSISTENT ATRIAL FIBRILLATION
Ziki M, Hummel J, Lampert R, Akar J. PO-657-07 SPONTANEOUS RESTORATION OF SINUS RHYTHM AFTER INTER ATRIAL SHUNT PLACEMENT IN A PATIENT WITH LONGSTANDING PERSISTENT ATRIAL FIBRILLATION. Heart Rhythm 2022, 19: s273-s274. DOI: 10.1016/j.hrthm.2022.03.295.Peer-Reviewed Original Research
2020
Understanding tricuspid valve remodelling in atrial fibrillation using three-dimensional echocardiography.
Ortiz-Leon XA, Posada-Martinez EL, Trejo-Paredes MC, Ivey-Miranda JB, Pereira J, Crandall I, DaSilva P, Bouman E, Brooks A, Gerardi C, Ugonabo I, Chen W, Houle H, Akar JG, Lin BA, McNamara RL, Lombo-Lievano B, Arias-Godinez JA, Sugeng L. Understanding tricuspid valve remodelling in atrial fibrillation using three-dimensional echocardiography. European Heart Journal - Cardiovascular Imaging 2020, 21: 747-755. PMID: 32372089, DOI: 10.1093/ehjci/jeaa058.Peer-Reviewed Original ResearchConceptsLeft heart diseaseSevere tricuspid regurgitationTricuspid regurgitationAtrial fibrillationTransoesophageal echocardiographyBiatrial dilatationHigher systolic pulmonary artery pressureNormal right ventricular sizeSystolic pulmonary artery pressureImpact of AFSevere functional tricuspid regurgitationTricuspid annulus dilationPulmonary artery pressureRight ventricular sizeFunctional tricuspid regurgitationFractional area changeTA fractional area changeThree-dimensional echocardiographyRV enlargementArtery pressureBiventricular functionTricuspid valveVentricular sizeAF groupSinus rhythmThe NCDR Left Atrial Appendage Occlusion Registry
Freeman JV, Varosy P, Price MJ, Slotwiner D, Kusumoto FM, Rammohan C, Kavinsky CJ, Turi ZG, Akar J, Koutras C, Curtis JP, Masoudi FA. The NCDR Left Atrial Appendage Occlusion Registry. Journal Of The American College Of Cardiology 2020, 75: 1503-1518. PMID: 32238316, PMCID: PMC7205034, DOI: 10.1016/j.jacc.2019.12.040.Peer-Reviewed Original ResearchConceptsHospital adverse event ratesAdverse event ratesEvent ratesMean HAS-BLED scoreHAS-BLED scoreHospital adverse eventsMean patient ageAtrial appendage occlusionMedian annual numberMajor bleedingMean CHAMore comorbiditiesVASc scoreWATCHMAN procedureAdverse eventsCommon complicationPatient agePericardial effusionPivotal trialsAppendage occlusionRandomized trialsAtrial fibrillationPatient populationPresent patientPhysician characteristicsPredictors 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
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 linkMellitusArrhythmiasExcitability2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation: Executive summary
Calkins H, Hindricks G, Cappato R, Kim YH, Saad EB, Aguinaga L, Akar JG, Badhwar V, Brugada J, Camm J, Chen PS, Chen SA, Chung MK, Nielsen JC, Curtis AB, Davies DW, Day JD, d'Avila A, de Groot NMSN, Di Biase L, Duytschaever M, Edgerton JR, Ellenbogen KA, Ellinor PT, Ernst S, Fenelon G, Gerstenfeld EP, Haines DE, Haissaguerre M, Helm RH, Hylek E, Jackman WM, Jalife J, Kalman JM, Kautzner J, Kottkamp H, Kuck KH, Kumagai K, Lee R, Lewalter T, Lindsay BD, Macle L, Mansour M, Marchlinski FE, Michaud GF, Nakagawa H, Natale A, Nattel S, Okumura K, Packer D, Pokushalov E, Reynolds MR, Sanders P, Scanavacca M, Schilling R, Tondo C, Tsao HM, Verma A, Wilber DJ, Yamane T. 2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation: Executive summary. Journal Of Arrhythmia 2017, 33: 369-409. PMID: 29021841, PMCID: PMC5634725, DOI: 10.1016/j.joa.2017.08.001.Peer-Reviewed Original Research2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation: executive summary
Calkins H, Hindricks G, Cappato R, Kim YH, Saad EB, Aguinaga L, Akar JG, Badhwar V, Brugada J, Camm J, Chen PS, Chen SA, Chung MK, Nielsen JC, Curtis AB, Wyn Davies D, Day JD, d’Avila A, de Groot N, Di Biase L, Duytschaever M, Edgerton JR, Ellenbogen KA, Ellinor PT, Ernst S, Fenelon G, Gerstenfeld EP, Haines DE, Haissaguerre M, Helm RH, Hylek E, Jackman WM, Jalife J, Kalman JM, Kautzner J, Kottkamp H, Kuck KH, Kumagai K, Lee R, Lewalter T, Lindsay BD, Macle L, Mansour M, Marchlinski FE, Michaud GF, Nakagawa H, Natale A, Nattel S, Okumura K, Packer D, Pokushalov E, Reynolds MR, Sanders P, Scanavacca M, Schilling R, Tondo C, Tsao HM, Verma A, Wilber DJ, Yamane T. 2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation: executive summary. Journal Of Interventional Cardiac Electrophysiology 2017, 50: 1-55. PMID: 28914401, PMCID: PMC5633646, DOI: 10.1007/s10840-017-0277-z.Peer-Reviewed Original Research2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation
Calkins H, Hindricks G, Cappato R, Kim YH, Saad EB, Aguinaga L, Akar JG, Badhwar V, Brugada J, Camm J, Chen PS, Chen SA, Chung MK, Nielsen J, Curtis AB, Davies DW, Day JD, d’Avila A, de Groot N, Di Biase L, Duytschaever M, Edgerton JR, Ellenbogen KA, Ellinor PT, Ernst S, Fenelon G, Gerstenfeld EP, Haines DE, Haissaguerre M, Helm RH, Hylek E, Jackman WM, Jalife J, Kalman JM, Kautzner J, Kottkamp H, Kuck KH, Kumagai K, Lee R, Lewalter T, Lindsay BD, Macle L, Mansour M, Marchlinski FE, Michaud GF, Nakagawa H, Natale A, Nattel S, Okumura K, Packer D, Pokushalov E, Reynolds MR, Sanders P, Scanavacca M, Schilling R, Tondo C, Tsao HM, Verma A, Wilber DJ, Yamane T, Blomström-Lundqvist C, De Paola A, Kistler P, Lip G, Peters N, Pisani C, Raviele A, Saad E, Satomi K, Stiles M, Willems S. 2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation. EP Europace 2017, 20: e1-e160. PMID: 29016840, PMCID: PMC5834122, DOI: 10.1093/europace/eux274.Peer-Reviewed Original Research2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation: Executive summary
Calkins H, Hindricks G, Cappato R, Kim YH, Saad EB, Aguinaga L, Akar JG, Badhwar V, Brugada J, Camm J, Chen PS, Chen SA, Chung MK, Nielsen JC, Curtis AB, Davies DW, Day JD, d'Avila A, de Groot NMSN, Di Biase L, Duytschaever M, Edgerton JR, Ellenbogen KA, Ellinor PT, Ernst S, Fenelon G, Gerstenfeld EP, Haines DE, Haissaguerre M, Helm RH, Hylek E, Jackman WM, Jalife J, Kalman JM, Kautzner J, Kottkamp H, Kuck KH, Kumagai K, Lee R, Lewalter T, Lindsay BD, Macle L, Mansour M, Marchlinski FE, Michaud GF, Nakagawa H, Natale A, Nattel S, Okumura K, Packer D, Pokushalov E, Reynolds MR, Sanders P, Scanavacca M, Schilling R, Tondo C, Tsao HM, Verma A, Wilber DJ, Yamane T. 2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation: Executive summary. EP Europace 2017, 20: 157-208. PMID: 29016841, PMCID: PMC5892164, DOI: 10.1093/europace/eux275.Peer-Reviewed Original Research2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation: Executive summary
Calkins H, Hindricks G, Cappato R, Kim YH, Saad EB, Aguinaga L, Akar JG, Badhwar V, Brugada J, Camm J, Chen PS, Chen SA, Chung MK, Nielsen JC, Curtis AB, Davies DW, Day JD, d'Avila A, de Groot NMSN, Di Biase L, Duytschaever M, Edgerton JR, Ellenbogen KA, Ellinor PT, Ernst S, Fenelon G, Gerstenfeld EP, Haines DE, Haissaguerre M, Helm RH, Hylek E, Jackman WM, Jalife J, Kalman JM, Kautzner J, Kottkamp H, Kuck KH, Kumagai K, Lee R, Lewalter T, Lindsay BD, Macle L, Mansour M, Marchlinski FE, Michaud GF, Nakagawa H, Natale A, Nattel S, Okumura K, Packer D, Pokushalov E, Reynolds MR, Sanders P, Scanavacca M, Schilling R, Tondo C, Tsao HM, Verma A, Wilber DJ, Yamane T. 2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation: Executive summary. Heart Rhythm 2017, 14: e445-e494. PMID: 31631881, DOI: 10.1016/j.hrthm.2017.07.009.Peer-Reviewed Original Research2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation
Calkins H, Hindricks G, Cappato R, Kim Y, Saad E, Aguinaga L, Akar J, Badhwar V, Brugada J, Camm J, Chen P, Chen S, Chung M, Nielsen J, Curtis A, Davies D, Day J, d’Avila A, de Groot N, Di Biase L, Duytschaever M, Edgerton J, Ellenbogen K, Ellinor P, Ernst S, Fenelon G, Gerstenfeld E, Haines D, Haissaguerre M, Helm R, Hylek E, Jackman W, Jalife J, Kalman J, Kautzner J, Kottkamp H, Kuck K, Kumagai K, Lee R, Lewalter T, Lindsay B, Macle L, Mansour M, Marchlinski F, Michaud G, Nakagawa H, Natale A, Nattel S, Okumura K, Packer D, Pokushalov E, Reynolds M, Sanders P, Scanavacca M, Schilling R, Tondo C, Tsao H, Verma A, Wilber D, Yamane T. 2017 HRS/EHRA/ECAS/APHRS/SOLAECE expert consensus statement on catheter and surgical ablation of atrial fibrillation. Journal Of Arrhythmia 2017 DOI: 10.1016/j.joa.2017.07.001.Peer-Reviewed Original ResearchDeleterious 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