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
2020
CHANGES OF LEFT ATRIAL APPENDAGE ORIFICE FOLLOWING PERCUTANEOUS LEFT ATRIAL APPENDAGE CLOSURE USING THREE-DIMENSIONAL ECHOCARDIOGRAPHY
Ortiz-Leon X, Posada E, Chen W, Bregasi A, Crandall I, Pereira J, Miranda J, Akar J, Lin B, McNamara R, Freeman J, Curtis J, Arias-Godínez J, Sugeng L. CHANGES OF LEFT ATRIAL APPENDAGE ORIFICE FOLLOWING PERCUTANEOUS LEFT ATRIAL APPENDAGE CLOSURE USING THREE-DIMENSIONAL ECHOCARDIOGRAPHY. Journal Of The American College Of Cardiology 2020, 75: 1708. DOI: 10.1016/s0735-1097(20)32335-4.Peer-Reviewed Original Research