Dimitrios Varrias, MD
Clinical FellowAbout
Research
Publications
2026
Clinical 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 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 benefitPatientsTherapyAspirin for the primary prevention of major adverse cardiovascular events in patients with elevated lipoprotein(a): a meta-analysis
Lee P, Chi K, Varrias D, Song J, Chang Y, Lin Y, Akman Z, Rossi R, Mouslmani M, Nouri A, Vogel J, Lapetina Arroyo R, Babapour G, Nanna M, Nanna M. Aspirin for the primary prevention of major adverse cardiovascular events in patients with elevated lipoprotein(a): a meta-analysis. European Heart Journal 2025, 46 DOI: 10.1093/eurheartj/ehaf784.4275.Peer-Reviewed Original ResearchRandomized Controlled TrialsLp(a)Lp(a) levelsPost Hoc AnalysisPrimary preventionBaseline characteristicsMeta-analysisAspirin usePredictor of future MACEComposite of cardiovascular deathPost hoc analyses of randomized controlled trialsMyocardial infarctionReduced risk of MACESecondary safety outcomesRisk of bleedingAnalysis of randomized controlled trialsRisk of MACEStudy follow-up periodFollow-up periodNon-fatal myocardial infarctionAdverse cardiovascular eventsRandom-effects meta-analysisHigh-risk populationReduced riskNon-fatal strokeTo Cath or Not to Cath: Ending the Feud Between Cardiologists and Nephrologists by Analyzing Angiographic Correlation of Troponin T in Patients with CKD
San Hti Lar Seng N, Varrias D, Lee P, Aung H, Chi K, Sun G, Umana C, Tufail M, Salazar J, Jim B. To Cath or Not to Cath: Ending the Feud Between Cardiologists and Nephrologists by Analyzing Angiographic Correlation of Troponin T in Patients with CKD. Journal Of The American Society Of Nephrology 2025, 36: 10.1681/asn.20252482q39p. DOI: 10.1681/asn.20252482q39p.Peer-Reviewed Original ResearchLeveraging 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 curveAUCID: 4349881 ADHERENCE WITH CPAP FOR PATIENTS WITH ATRIAL FIBRILLATION UNDERGOING CATHETER ABLATION: A “REAL-WORLD” ANALYSIS
Varrias D, Goyal A, Kossack A, Chhetri C, Zoumpourlis P, Saleh M, Ismail H, Oks M, Mina B, Bhasin K, Coleman K, Epstein L, Mountantonakis S. ID: 4349881 ADHERENCE WITH CPAP FOR PATIENTS WITH ATRIAL FIBRILLATION UNDERGOING CATHETER ABLATION: A “REAL-WORLD” ANALYSIS. Heart Rhythm O2 2025, 6: s7-s8. DOI: 10.1016/j.hroo.2025.07.038.Peer-Reviewed Original ResearchIschaemic 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, qcaf094. 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.Peer-Reviewed Original ResearchDifferences in intravascular hemolysis between 2 technologies for pulse field ablation of atrial fibrillation
Mountantonakis S, Beccarino N, Goyal A, Ferrick N, Varrias D, Baez S, Calvo A, Kruger S, Alshenawy M, Leavitt J, Sharma N, Jia K, Vele O, Abrams M, Choudry S, Krumerman A, Skipitaris N, Bhasin K, Coleman K. Differences in intravascular hemolysis between 2 technologies for pulse field ablation of atrial fibrillation. Heart Rhythm 2025, 23: e217-e219. PMID: 40675312, DOI: 10.1016/j.hrthm.2025.07.018.Peer-Reviewed Original ResearchAnticoagulants for Atrial Fibrillation in Survivors of Intracranial Hemorrhage A Meta-Analysis of Randomized Trials
Chi K, Chang Y, Lee P, Rossi R, Lin Y, Akman Z, Varrias D, Damluji A, Nanna M. Anticoagulants for Atrial Fibrillation in Survivors of Intracranial Hemorrhage A Meta-Analysis of Randomized Trials. Journal Of The American College Of Cardiology 2025, 86: 287-290. PMID: 40701674, PMCID: PMC12758899, DOI: 10.1016/j.jacc.2025.04.069.Peer-Reviewed Original Research