2024
In-hospital safety outcomes of left atrial appendage occlusion in octogenarians and nonagenarians
Ismayl M, Ahmed H, Goldsweig A, Freeman J, Alkhouli M. In-hospital safety outcomes of left atrial appendage occlusion in octogenarians and nonagenarians. EP Europace 2024, 26: euae055. PMID: 38391186, PMCID: PMC10927254, DOI: 10.1093/europace/euae055.Peer-Reviewed Original ResearchConceptsOutcomes of left atrial appendage occlusionLeft atrial appendage occlusionIn-hospital all-cause mortalityOdds of vascular complicationsLength of stayAll-cause mortalityYounger patientsAppendage occlusionComposite of in-hospital all-cause mortalityOdds of in-hospital all-cause mortalityVascular complicationsSafety outcomesAcute kidney injuryNational Inpatient Sample databaseRetrospective cohort studyInpatient Sample databaseYears of ageCardiac tamponadeBlood transfusionProcedural complicationsSafety profileKidney injuryLogistic regression modelsElderly patientsCohort study
2023
Initial 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
2021
Sex Differences in Procedural Outcomes Among Patients Undergoing Left Atrial Appendage Occlusion
Darden D, Duong T, Du C, Munir MB, Han FT, Reeves R, Saw J, Zeitler EP, Al-Khatib SM, Russo AM, Minges KE, Curtis JP, Freeman JV, Hsu JC. Sex Differences in Procedural Outcomes Among Patients Undergoing Left Atrial Appendage Occlusion. JAMA Cardiology 2021, 6: 1275-1284. PMID: 34379072, PMCID: PMC8358791, DOI: 10.1001/jamacardio.2021.3021.Peer-Reviewed Original ResearchConceptsHospital adverse eventsMajor adverse eventsAdverse eventsAtrial appendage occlusionMajor bleedingPericardial effusionAppendage occlusionAtrial fibrillationSex differencesCongestive heart failureCoronary artery diseaseAdjusted logistic regression analysisParoxysmal atrial fibrillationLogistic regression analysisMultivariable adjusted logistic regression analysesPrior strokeUncontrolled hypertensionHospital outcomesHospital stayMultivariable adjustmentProlonged hospitalBaseline characteristicsCohort studySelect patientsArtery disease
2020
Comparison of Mortality and Readmission in Non-Ischemic Versus Ischemic Cardiomyopathy After Implantable Cardioverter-Defibrillator Implantation
Higgins AY, Bjerre J, Parzynski CS, Minges KE, Ahmad T, Desai NR, Enriquez A, Spatz ES, Friedman DJ, Curtis JP, Hlatky MA, Freeman JV. Comparison of Mortality and Readmission in Non-Ischemic Versus Ischemic Cardiomyopathy After Implantable Cardioverter-Defibrillator Implantation. The American Journal Of Cardiology 2020, 133: 116-125. PMID: 32862971, DOI: 10.1016/j.amjcard.2020.07.035.Peer-Reviewed Original ResearchConceptsNon-ischemic cardiomyopathyImplantable cardioverter defibrillator implantationCardioverter-defibrillator implantationICM patientsIschemic cardiomyopathyNational Cardiovascular Data Registry ICD RegistryCox proportional hazards regression modelPrimary prevention ICD implantationLeft ventricular ejection fractionProportional hazards regression modelsPrimary prevention ICDsRetrospective cohort studyVentricular ejection fractionKaplan-Meier curvesHazards regression modelsRisk of mortalityComparison of mortalityMedian followCohort studyICD implantationEjection fractionHeart failureHospital readmissionICD RegistryPatient subgroupsSwitching warfarin to direct oral anticoagulants in atrial fibrillation: Insights from the NCDR PINNACLE registry
Sciria CT, Maddox TM, Marzec L, Rodwin B, Virani SS, Annapureddy A, Freeman JV, O'Hare A, Liu Y, Song Y, Doros G, Zheng Y, Lee JJ, Daggubati R, Vadlamani L, Cannon C, Desai NR. Switching warfarin to direct oral anticoagulants in atrial fibrillation: Insights from the NCDR PINNACLE registry. Clinical Cardiology 2020, 43: 743-751. PMID: 32378265, PMCID: PMC7368350, DOI: 10.1002/clc.23376.Peer-Reviewed Original ResearchConceptsDirect oral anticoagulantsAF patientsAtrial fibrillationOral anticoagulantsAvailability of DOACsChronic warfarin therapyMultivariable hierarchical regressionNCDR PINNACLE RegistryPattern of anticoagulationProspective cohort studyPractice-level factorsPractice-level variationPINNACLE RegistryPrescribed warfarinSwitched patientsClinical characteristicsCohort studyStroke riskWarfarin therapyCurrent guidelinesPatientsWarfarinAnticoagulationPrivate insuranceSignificant predictors
2019
Digoxin Use and Associated Adverse Events Among Older Adults
Angraal S, Nuti SV, Masoudi FA, Freeman JV, Murugiah K, Shah ND, Desai NR, Ranasinghe I, Wang Y, Krumholz HM. Digoxin Use and Associated Adverse Events Among Older Adults. The American Journal Of Medicine 2019, 132: 1191-1198. PMID: 31077654, DOI: 10.1016/j.amjmed.2019.04.022.Peer-Reviewed Original ResearchConceptsRate of hospitalizationDigoxin useDigoxin toxicityNational Prescription AuditMedicare feeService beneficiariesDigoxin prescriptionAssociated adverse eventsAdverse eventsCohort studyAdverse outcomesSecondary diagnosisNational cohortPrescription auditPrescription trendsClinical guidelinesHospitalizationMortality rateClinical practiceOlder adultsSubsequent outcomesOutcomesToxicityPrescriptionNational-level trends
2018
Association of Race/Ethnicity With Oral Anticoagulant Use in Patients With Atrial Fibrillation: Findings From the Outcomes Registry for Better Informed Treatment of Atrial Fibrillation II.
Essien UR, Holmes DN, Jackson LR, Fonarow GC, Mahaffey KW, Reiffel JA, Steinberg BA, Allen LA, Chan PS, Freeman JV, Blanco RG, Pieper KS, Piccini JP, Peterson ED, Singer DE. Association of Race/Ethnicity With Oral Anticoagulant Use in Patients With Atrial Fibrillation: Findings From the Outcomes Registry for Better Informed Treatment of Atrial Fibrillation II. JAMA Cardiology 2018, 3: 1174-1182. PMID: 30484833, PMCID: PMC6583087, DOI: 10.1001/jamacardio.2018.3945.Peer-Reviewed Original ResearchConceptsDirect-acting oral anticoagulantsAtrial Fibrillation IIOral anticoagulant useOral anticoagulantsBetter Informed TreatmentAtrial fibrillationAnticoagulant useRace/ethnicityWhite individualsOutcomes RegistryHispanic individualsBlack individualsInformed TreatmentOne-year persistenceOral anticoagulant discontinuationQuality of anticoagulationEthnic differencesSelf-reported race/ethnicitySocioeconomic factorsQuality of careHispanic groupsAnticoagulant discontinuationDOAC useInappropriate dosingCohort study
2016
Long-Term Risk for Device-Related Complications and Reoperations After Implantable Cardioverter-Defibrillator Implantation: An Observational Cohort Study.
Ranasinghe I, Parzynski CS, Freeman JV, Dreyer RP, Ross JS, Akar JG, Krumholz HM, Curtis JP. Long-Term Risk for Device-Related Complications and Reoperations After Implantable Cardioverter-Defibrillator Implantation: An Observational Cohort Study. Annals Of Internal Medicine 2016, 165: 20-29. PMID: 27135392, DOI: 10.7326/m15-2732.Peer-Reviewed Original ResearchICD-related complicationsNational Cardiovascular Data RegistryObservational cohort studyDevice-related complicationsICD implantationLong-term riskCohort studyMedicare feeNational Cardiovascular Data Registry ICD RegistryImplantable cardioverter defibrillator implantationImplantable cardioverter-defibrillator placementCardioverter-defibrillator implantationService claims dataCRT-D devicesSingle-chamber devicesCumulative incidenceNonfatal outcomesICD RegistryService patientsBlack raceFemale sexReoperationAmerican CollegeClaims dataComplications
2014
Digoxin and Risk of Death in Adults With Atrial Fibrillation
Freeman JV, Reynolds K, Fang M, Udaltsova N, Steimle A, Pomernacki NK, Borowsky LH, Harrison TN, Singer DE, Go AS. Digoxin and Risk of Death in Adults With Atrial Fibrillation. Circulation Arrhythmia And Electrophysiology 2014, 8: 49-58. PMID: 25414270, PMCID: PMC4334705, DOI: 10.1161/circep.114.002292.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overAnti-Arrhythmia AgentsAtrial FibrillationCaliforniaChi-Square DistributionDigoxinFemaleHospitalizationHumansKaplan-Meier EstimateMaleMiddle AgedPatient SelectionPropensity ScoreProportional Hazards ModelsRetrospective StudiesRisk AssessmentRisk FactorsTreatment OutcomeConceptsRisk of deathIncident atrial fibrillationAtrial fibrillationDigoxin useHigh riskHeart failureIndependent associationPropensity score-matched adultsKaiser Permanente NorthernPrevious heart failureRetrospective cohort studyResearch Network StudySubgroups of ageCohort studyCox regressionAdverse outcomesRisk factorsHospitalizationFibrillationDigoxinDeathLimited dataAdultsRiskHigh rate
2011
The Impact of ST Elevation on Athletic Screening
Leo T, Uberoi A, Jain NA, Garza D, Chowdhury S, Freeman JV, Perez M, Ashley E, Froelicher V. The Impact of ST Elevation on Athletic Screening. Clinical Journal Of Sport Medicine 2011, 21: 433-440. PMID: 21892017, DOI: 10.1097/jsm.0b013e31822cf105.Peer-Reviewed Original ResearchConceptsST elevationCardiac eventsCardiac deathEarly repolarizationVeterans Affairs Palo Alto Health Care SystemRetrospective cohort studyAbnormal test resultsClinical patient cohortUniversity varsity athletesHealth care systemCardiovascular mortalityCohort studyClinical outcomesAmbulatory individualsVital statusAthletic screeningECG abnormalitiesPatient cohortLateral leadsMyocardial ischemiaBrugada syndromeHigh prevalenceCardiac conditionsHeart rateJ waves