Dimitrios Varrias, MD
Clinical FellowAbout
Research
Publications
2026
Long‐Term Outcomes After Catheter Ablation: A 42‐Month Longitudinal Study From the ITHACA‐Database
Varrias D, Coleman K, Leavitt J, Yu K, Ismail H, Chinitz J, Mitra R, Kowalski M, Skipitaris N, Epstein L, Mountantonakis S, Investigators I. Long‐Term Outcomes After Catheter Ablation: A 42‐Month Longitudinal Study From the ITHACA‐Database. Journal Of Cardiovascular Electrophysiology 2026, 37: 1268-1275. PMID: 41981863, DOI: 10.1111/jce.70345.Peer-Reviewed Original ResearchConceptsAnnual risk of recurrenceLong-term clinical outcomesRisk of recurrenceDirect current cardioversionCatheter ablationAtrial fibrillationComposite outcomeAnnual riskAF-freePost-ablationFollow-upLong-term clinical outcomes of patientsClinical outcomes of patientsMulticenter health systemYears post-ablationLong-term freedomOutcomes of freedomOutcomes of patientsAnnual recurrence rateLong-term outcomesHigher chanceChance of freedomLongitudinal Follow-upAF recurrenceConsecutive patients26-A-19524-ACC EXTRACELLULAR VESICLE RNA AS A NON-INVASIVE BIOMARKER FOR MYOCARDIAL REMODELING IN AORTIC STENOSIS
Spanos M, Gokulnath P, Li G, Sheng Q, Meechoovet B, Amancherla K, Lindman B, Elmariah S, Varrias D, Kladas M, Spanos A, Ezerioha P, Lohana P, Modak V, Batikyan A, Shah P, Tsioufis K, Ellinor P, Januzzi J, Shah R, Das S. 26-A-19524-ACC EXTRACELLULAR VESICLE RNA AS A NON-INVASIVE BIOMARKER FOR MYOCARDIAL REMODELING IN AORTIC STENOSIS. Journal Of The American College Of Cardiology 2026, 87: a976. DOI: 10.1016/j.jacc.2026.02.2404.Peer-Reviewed Original Research26-YIA-7853-ACC GLP-1 RECEPTOR AGONISTS USE IN OBESE PATIENTS WITH STABLE HEART FAILURE WITH REDUCED EJECTION FRACTION: A TARGET-TRIAL EMULATION
Chi K, Osabutey A, Lee P, Mangalesh S, Chowdhury I, Ezenna C, Varrias D, Patel S. 26-YIA-7853-ACC GLP-1 RECEPTOR AGONISTS USE IN OBESE PATIENTS WITH STABLE HEART FAILURE WITH REDUCED EJECTION FRACTION: A TARGET-TRIAL EMULATION. Journal Of The American College Of Cardiology 2026, 87: a1954. DOI: 10.1016/j.jacc.2026.02.4865.Peer-Reviewed Original ResearchPO-03-074 CARDIOMETABOLIC SYNDROME IS ASSOCIATED WITH AN INCREASED RISK OF LONG-TERM AF RECURRENCE AFTER CATHETER ABLATION: AN ANALYSIS OF THE ITHACA COHORT
Varrias D, Achuthanandan S, Gianos E, Coleman K, Kleiman J, Mountantonakis S. PO-03-074 CARDIOMETABOLIC SYNDROME IS ASSOCIATED WITH AN INCREASED RISK OF LONG-TERM AF RECURRENCE AFTER CATHETER ABLATION: AN ANALYSIS OF THE ITHACA COHORT. Heart Rhythm 2026, 23: s538-s539. DOI: 10.1016/j.hrthm.2026.03.813.Peer-Reviewed Original ResearchPO-05-038 ANTI-INFLAMMATORY AND AUTONOMIC EFFECTS OF BAROREFLEX ACTIVATION THERAPY IN HFREF: A CASE SERIES
Bekiaridou A, Coleman K, Nguyen N, Wilks S, Carroccio A, Zafeiropoulos S, Varrias D, Ismail H, Kowalski M, Villela M, Vullaganti S, Zanos T, Zanos S, Mountantonakis S, Yang I. PO-05-038 ANTI-INFLAMMATORY AND AUTONOMIC EFFECTS OF BAROREFLEX ACTIVATION THERAPY IN HFREF: A CASE SERIES. Heart Rhythm 2026, 23: s801. DOI: 10.1016/j.hrthm.2026.03.1377.Peer-Reviewed Original ResearchClinical predictors of long-term atrial fibrillation recurrence post catheter ablation: an ITHACA-database analysis.
Leavitt J, Varrias D, Gasparis C, Wolf E, Zafeiropoulos S, Zimmer A, Epstein L, Coleman K, Mountantonakis S. Clinical predictors of long-term atrial fibrillation recurrence post catheter ablation: an ITHACA-database analysis. Journal Of Invasive Cardiology 2026, 38 PMID: 41538776, DOI: 10.25270/jic/25.00273.Peer-Reviewed Original ResearchLong-term AF recurrenceAF recurrencePatient baseline demographicsCatheter ablationAtrial fibrillationComposite outcomeAssociated with long-term AF recurrenceEfficacy of catheter ablationLong-term success rateArea under the curveFollow-up visitMultivariate logistic regressionIndividual risk scoresIndividual risk predictionBaseline demographicsAblation outcomesTreatment optionsRecurrenceRisk factorsMedical recordsRisk scoreElectronic medical recordsPatientsSuccess rateLogistic regression
2025
Long-Term Outcomes Beta-Blocker Use and Permanent Pacing in Patients With Heart Failure Preserved Ejection Fraction
Gabriels J, Coleman K, Fishbein J, Cunn G, Bekiaridou A, Varrias D, Sharma N, Mokhtari M, George R, Brennan C, Gandomi A, Vullaganti S, Epstein L, Mountantonakis S. Long-Term Outcomes Beta-Blocker Use and Permanent Pacing in Patients With Heart Failure Preserved Ejection Fraction. JACC Advances 2025, 5: 102425. PMID: 41401684, PMCID: PMC12769800, DOI: 10.1016/j.jacadv.2025.102425.Peer-Reviewed Original ResearchLow risk of mortalityRisk of mortalityPreserved Ejection FractionBeta-blockersLong-term outcomesLow riskCohort studyEjection fractionPermanent pacingEmergency department visitsNorthwell Health SystemBeta-blocker therapyBeta-blocker useRetrospective cohort studyHealth systemDepartment visitsOutcome of pacingMortality burdenHospital readmissionPrimary outcomeHeart failureHFpEFMortality benefitPatientsTherapyLeveraging Implantable Cardiac Defibrillator Remote Transmissions to Predict the Occurrence of Atrial Fibrillation
Scheid M, Coleman K, Mullane S, Varrias D, Mountantonakis E, Husk G, Bhasin K, Skipitaris N, Epstein L, Zanos T, Mountantonakis S. Leveraging Implantable Cardiac Defibrillator Remote Transmissions to Predict the Occurrence of Atrial Fibrillation. Journal Of Cardiovascular Electrophysiology 2025, 36: 2903-2909. PMID: 40916235, DOI: 10.1111/jce.70072.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAgedAtrial FibrillationDecision Support TechniquesDefibrillators, ImplantableElectric CountershockFemaleHeart FailureHeart RateHumansMachine LearningMaleMiddle AgedPredictive Value of TestsPrimary PreventionProspective StudiesRemote Sensing TechnologyReproducibility of ResultsRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeConceptsDaily remote monitoringArea under the receiver operating characteristic curveAtrial fibrillationAF occurrenceHeart failureOccurrence of atrial fibrillationMedian ejection fractionPrimary prevention ICDReal-world cohortDevelopment of AFReceiver operating characteristic curveMonths post-implantOperating characteristics curveParoxysmal AFEjection fractionMedian ageIschemic cardiomyopathyClinical trialsHF decompensationPost-implantRisk prediction algorithmsSensing amplitudePatientsCharacteristic curveAUCIschaemic cerebrovascular events post-atrial fibrillation catheter ablation: a descriptive report on the ITHACA database
Leavitt J, Nunez-Baez S, Varrias D, Kleiman J, Gasparis C, Coleman K, Mountantonakis S. Ischaemic cerebrovascular events post-atrial fibrillation catheter ablation: a descriptive report on the ITHACA database. European Heart Journal - Quality Of Care And Clinical Outcomes 2025, 12: 429-430. PMID: 40853222, DOI: 10.1093/ehjqcco/qcaf094.Peer-Reviewed Original ResearchThe Impact of Diagnostic Code and Inclusion Period on Clinical Outcomes in ATTR Cardiomyopathy
Lee P, Chi K, Lin Y, Varrias D, Patel S. The Impact of Diagnostic Code and Inclusion Period on Clinical Outcomes in ATTR Cardiomyopathy. JACC Advances 2025, 4: 101918. PMID: 40713144, PMCID: PMC12418417, DOI: 10.1016/j.jacadv.2025.101918.Commentaries, Editorials and Letters