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 rateOutcomesProcedure Volume and Outcomes With WATCHMAN Left Atrial Appendage Occlusion
Friedman D, Du C, Zimmerman S, Tan Z, Lin Z, Vemulapalli S, Kosinski A, Piccini J, Pereira L, Minges K, Faridi K, Masoudi F, Curtis J, Freeman J. Procedure Volume and Outcomes With WATCHMAN Left Atrial Appendage Occlusion. Circulation Cardiovascular Interventions 2024, 17: e013466. PMID: 38889251, PMCID: PMC11189610, DOI: 10.1161/circinterventions.123.013466.Peer-Reviewed Original ResearchConceptsVolume-outcome relationshipLikelihood of procedural successLeft atrial appendage occlusionProcedural successProcedure volumeAppendage occlusionNational Cardiovascular Data Registry LAAO RegistryVolume quartilesLeft atrial appendage occlusion devicesThree-level hierarchical generalized linear modelsMinimum volume thresholdsWatchman FLX deviceProcedural success rateHierarchical generalized linear modelsAssociated with outcomePhysician volumeWATCHMAN procedureFLX deviceOcclusion deviceVolume thresholdCardiovascular proceduresPhysiciansHospitalNational analysisSuccess rate
2023
Watchman device migration and embolization: A report from the NCDR LAAO Registry
Friedman D, Freeman J, Zimmerman S, Tan Z, Pereira L, Faridi K, Curtis J. Watchman device migration and embolization: A report from the NCDR LAAO Registry. Journal Of Cardiovascular Electrophysiology 2023, 34: 1192-1195. PMID: 37078339, PMCID: PMC10290479, DOI: 10.1111/jce.15909.Peer-Reviewed Original ResearchConceptsWATCHMAN procedureSurgical retrievalDevice migrationMortality rateAtrial appendage closure deviceHospital mortality rateAnnual procedure volumeCardiac surgeryHospital eventsPostdischarge eventsOstial sizeDevice embolizationTaller patientsRetrospective analysisClosure deviceLAA ostiumPatientsProcedure volumeHigh mortalitySurgerySubstantial proportionEmbolizationRegistryGreater body massBody mass
2011
Physician Procedure Volume and Complications of Cardioverter-Defibrillator Implantation
Freeman JV, Wang Y, Curtis JP, Heidenreich PA, Hlatky MA. Physician Procedure Volume and Complications of Cardioverter-Defibrillator Implantation. Circulation 2011, 125: 57-64. PMID: 22095828, DOI: 10.1161/circulationaha.111.046995.Peer-Reviewed Original ResearchConceptsPhysician procedure volumeProcedure volumeHospital mortalityICD implantationHospital characteristicsPhysician specialtyNational Cardiovascular Data Registry ICD RegistryImplantable cardioverter-defibrillator placementInitial ICD implantationRate of complicationsCardioverter-defibrillator implantationHospital procedure volumeClustering of patientsAnnual procedure volumeOutcomes of proceduresVolume of proceduresHierarchical logistic regressionHospital complicationsComplication rateHospital volumePatient characteristicsProcedural complicationsHighest quartileInverse relationshipComplications
2010
The Relation Between Hospital Procedure Volume and Complications of Cardioverter-Defibrillator Implantation From the Implantable Cardioverter-Defibrillator Registry
Freeman JV, Wang Y, Curtis JP, Heidenreich PA, Hlatky MA. The Relation Between Hospital Procedure Volume and Complications of Cardioverter-Defibrillator Implantation From the Implantable Cardioverter-Defibrillator Registry. Journal Of The American College Of Cardiology 2010, 56: 1133-1139. PMID: 20863954, DOI: 10.1016/j.jacc.2010.07.007.Peer-Reviewed Original ResearchConceptsAdverse eventsProcedure volumeImplantable Cardioverter-Defibrillator RegistryHospital adverse outcomesInitial ICD implantationCardioverter-defibrillator implantationHigh-volume hospitalsLow-volume hospitalsPatients' clinical characteristicsBetter clinical outcomesHospital procedure volumeVolume-outcome relationshipNCDR ICD RegistryClinical characteristicsICD implantationICD RegistryProcedural complicationsClinical outcomesAdverse outcomesHospital characteristicsBiventricular ICDsImplant volumeHospitalRepresentative populationICDTHE RELATION BETWEEN HOSPITAL PROCEDURE VOLUME AND COMPLICATIONS OF CARDIOVERTER-DEFIBRILLATOR IMPLANTATION FROM THE NATIONAL CARDIOVASCULAR DATA REGISTRY
Freeman J, Wang Y, Curtis J, Heidenreich P, Hlatky M. THE RELATION BETWEEN HOSPITAL PROCEDURE VOLUME AND COMPLICATIONS OF CARDIOVERTER-DEFIBRILLATOR IMPLANTATION FROM THE NATIONAL CARDIOVASCULAR DATA REGISTRY. Journal Of The American College Of Cardiology 2010, 55: a129.e1205. DOI: 10.1016/s0735-1097(10)61206-5.Peer-Reviewed Original Research