2024
Racial and Ethnic Disparities in the Use and Outcomes With WATCHMAN FLX: A SURPASS Analysis of the NCDR Left Atrial Appendage Occlusion Registry.
Alli O, Garg J, Boursiquot B, Kapadia S, Yeh R, Price M, Piccini J, Nair D, Hsu J, Gibson D, Allocco D, Christen T, Sutton B, Freeman J. Racial and Ethnic Disparities in the Use and Outcomes With WATCHMAN FLX: A SURPASS Analysis of the NCDR Left Atrial Appendage Occlusion Registry. Journal Of The American Heart Association 2024, e036406. PMID: 39575715, DOI: 10.1161/jaha.124.036406.Peer-Reviewed Original ResearchLeft atrial appendage occlusionWatchman FLX implantationBlack patientsHispanic patientsOral anticoagulantsProcedural successRates of 1-year deathWhite patientsAlternative to oral anticoagulationRate of procedural successEthnic minority groupsEthnic minority individualsRate of deathSignificant bleedingWatchman FLXMinority individualsAppendage occlusionAntiplatelet therapyBaseline characteristicsAtrial fibrillationAnalyses assessed differencesMinority groupsPatientsStroke preventionBleeding
2023
Intracardiac vs Transesophageal Echocardiography for Left Atrial Appendage Occlusion With Watchman FLX in the U.S.
Ferro E, Alkhouli M, Nair D, Kapadia S, Hsu J, Gibson D, Freeman J, Price M, Roy K, Allocco D, Yeh R, Piccini J. Intracardiac vs Transesophageal Echocardiography for Left Atrial Appendage Occlusion With Watchman FLX in the U.S. JACC Clinical Electrophysiology 2023, 9: 2587-2599. PMID: 37831030, DOI: 10.1016/j.jacep.2023.08.004.Peer-Reviewed Original ResearchConceptsAtrial appendage occlusionTransesophageal echocardiographyIntracardiac echocardiographyBaseline characteristicsAppendage occlusionLeft atrial appendage occlusionPericardial effusion rateSuccessful device implantationAdverse event ratesSimilar baseline characteristicsUnadjusted mortality ratesHigh rateICE patientsTEE patientsPericardial effusionPivotal trialsDevice implantationGeneral anesthesiaAdjusted comparisonsProcedural timeLAAO devicesDevice deliveryMortality rateEvent ratesEchocardiography
2022
Abnormal left atrial body stiffness is predicted by appendage size: impact of appendage occlusion on left atrial mechanics assessed by pressure-volume analysis
Bregasi A, Freeman JV, Curtis JP, Akar JG, Ortiz-Leon XA, Maia JH, Higgins AY, Matthews RV, Sinusas AJ, McNamara RL, Sugeng L, Lin BA. Abnormal left atrial body stiffness is predicted by appendage size: impact of appendage occlusion on left atrial mechanics assessed by pressure-volume analysis. AJP Heart And Circulatory Physiology 2022, 323: h559-h568. PMID: 35960632, PMCID: PMC9576173, DOI: 10.1152/ajpheart.00083.2022.Peer-Reviewed Original ResearchConceptsLeft atrial appendage occlusionLA stiffnessAppendage occlusionLA appendageLA mechanicsTransesophageal echocardiographyPressure-volume analysisPercutaneous left atrial appendage occlusionAdverse atrial remodelingAtrial appendage occlusionLeft atrial appendageLA volume measurementsAtrial cardiomyopathyBaseline characteristicsLA complianceAtrial remodelingClinical outcomesAtrial appendageAtrial mechanicsCardiac performancePathophysiological roleBaseline parametersMagnitude of increaseAppendage sizeOcclusion
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