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