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 sizeOcclusionChanges in left atrial appendage orifice following percutaneous left atrial appendage closure using three-dimensional echocardiography
Ortiz-Leon XA, Posada-Martinez EL, Bregasi A, Chen W, Crandall I, Pereira J, Faridi KF, Akar JG, Lin BA, McNamara RL, Freeman JV, Curtis J, Arias-Godinez JA, Sugeng L. Changes in left atrial appendage orifice following percutaneous left atrial appendage closure using three-dimensional echocardiography. The International Journal Of Cardiovascular Imaging 2022, 38: 1361-1369. PMID: 35064846, DOI: 10.1007/s10554-022-02525-y.Peer-Reviewed Original ResearchLAA occlusionWatchman deviceLAA orificeD velocityPercutaneous left atrial appendage closureLeft atrial appendage closureEccentricity indexLAA orifice diameterAtrial appendage closureAtrial appendage occlusionPercutaneous LAA occlusionPeak SMaximum diameterAtrial appendage orificeShort-axis viewThree-dimensional echocardiographyLong-term contraindicationsAppendage closureAppendage occlusionAtrial fibrillationTransesophageal echocardiography imagesAxis viewPatientsOcclusionSignificant differences
2021
B-PO03-155 OUTCOMES OF LEFT ATRIAL APPENDAGE OCCLUSION WITH WATCHMAN IN CONTEMPORARY CLINICAL PRACTICE COMPARED WITH CLINICAL TRIALS: A POOLED ANALYSIS OF PROTECT-AF, PREVAIL, AND THE NCDR LAAO REGISTRY
Friedman D, Du C, Agarwal Y, Varosy P, Masoudi F, Curtis J, Freeman J. B-PO03-155 OUTCOMES OF LEFT ATRIAL APPENDAGE OCCLUSION WITH WATCHMAN IN CONTEMPORARY CLINICAL PRACTICE COMPARED WITH CLINICAL TRIALS: A POOLED ANALYSIS OF PROTECT-AF, PREVAIL, AND THE NCDR LAAO REGISTRY. Heart Rhythm 2021, 18: s252. DOI: 10.1016/j.hrthm.2021.06.628.Peer-Reviewed Original Research