2024
Longitudinal Assessment of Left Atrial Remodeling in Patients With Chronic Severe Aortic Regurgitation
Akintoye E, El Dahdah J, Dabbagh M, Patel H, Badwan O, Braghieri L, Chedid El Helou M, Kassab J, Jellis C, Desai M, Rodriguez L, Grimm R, Roselli E, Griffin B, Popovic Z. Longitudinal Assessment of Left Atrial Remodeling in Patients With Chronic Severe Aortic Regurgitation. JACC Cardiovascular Imaging 2024, 17: 1133-1145. PMID: 38878040, DOI: 10.1016/j.jcmg.2024.04.007.Peer-Reviewed Original ResearchLeft atrial volume indexLeft atrial reservoir strainAortic regurgitationLV parametersAssociated with survival benefitMedian follow-up periodChronic severe aortic regurgitationLeft ventricular (LVShort-term follow-upOptimal discriminatory thresholdsSevere aortic regurgitationAtrial volume indexIncremental prognostic valueAtrial reservoir strainLeft atrial remodelingFollow-up periodAssociated with survivalPredicting adverse eventsReservoir strainSerial echocardiographySevere ARSurvival benefitLA remodelingLV remodelingPrognostic value
2023
Atrial fibrosis by cardiac MRI is a correlate for atrial stiffness in patients with atrial fibrillation
Lamy J, Taoutel R, Chamoun R, Akar J, Niederer S, Mojibian H, Huber S, Baldassarre L, Meadows J, Peters D. Atrial fibrosis by cardiac MRI is a correlate for atrial stiffness in patients with atrial fibrillation. The International Journal Of Cardiovascular Imaging 2023, 40: 107-117. PMID: 37857929, PMCID: PMC11378145, DOI: 10.1007/s10554-023-02968-x.Peer-Reviewed Original ResearchConceptsLate gadolinium enhancementLA reservoir strainLeft atrial pressureLA volumeReservoir strainLA fibrosisLA strainStiffness indexLA late gadolinium enhancementAtrial stiffness indexMaximal LA volumeAtrial fibrillation cohortLA minimum volumeAtrial tissue fibrosisMaximum LA volumeCardiac MR examsAtrial stiffnessAtrial strainAF ablationAtrial pressureAF cohortAtrial fibrillationAtrial fibrosisPatient subgroupsLGE volume
2022
Clinical, functional and prognostic implications of severe atrial dilation in secondary mitral regurgitation
Layoun H, Mentias A, Akintoye E, Matta M, Kanaan C, Daou R, Ramchand J, Burns D, Gillinov A, Bhattacharya S, Puri R, Collier P, Griffin B, Kapadia S, Harb S. Clinical, functional and prognostic implications of severe atrial dilation in secondary mitral regurgitation. Open Heart 2022, 9: e001996. PMID: 35383126, PMCID: PMC8984044, DOI: 10.1136/openhrt-2022-001996.Peer-Reviewed Original ResearchConceptsSecondary mitral regurgitationAtrial dilationMitral regurgitationPrognostic implicationsSevere left atrial dilationSevere secondary mitral regurgitationLA reservoir strainLeft atrial dilationLeft ventricle dysfunctionPoor prognostic indicatorMV interventionVentricle dysfunctionMore diabetesAdult patientsTransthoracic echocardiographyEjection fractionIndependent predictorsAtrial fibrillationReservoir strainWorse prognosisPrognostic indicatorMR severityBetter outcomesFunctional alterationsPatients
2020
Left Atrial Mechanics Assessed Early during Hospitalization for Cryptogenic Stroke Are Associated with Occult Atrial Fibrillation: A Speckle-Tracking Strain Echocardiography Study
Deferm S, Bertrand PB, Churchill TW, Sharma R, Vandervoort PM, Schwamm LH, Yoerger Sanborn DM. Left Atrial Mechanics Assessed Early during Hospitalization for Cryptogenic Stroke Are Associated with Occult Atrial Fibrillation: A Speckle-Tracking Strain Echocardiography Study. Journal Of The American Society Of Echocardiography 2020, 34: 156-165. PMID: 33132019, DOI: 10.1016/j.echo.2020.09.009.Peer-Reviewed Original ResearchConceptsMobile cardiac outpatient telemetryOccult atrial fibrillationBooster pump functionAtrial fibrillationCryptogenic strokeAtrial mechanicsStrain echocardiographyReservoir strainPump functionBaseline cardiovascular risk profileLA booster pump functionPresence of AFCardiovascular risk profileLA volume indexReceiver operator curve analysisOperator curve analysisSpontaneous cardioversionEmbolic strokeClinical characteristicsRetrospective cohortEchocardiography studyLA sizeMedian timeStroke hospitalizationsEchocardiography
2019
Biomarker Profile of Left Atrial Myopathy in Heart Failure With Preserved Ejection Fraction: Insights From the RELAX Trial
Patel RB, Alenezi F, Sun JL, Alhanti B, Vaduganathan M, Oh JK, Redfield MM, Butler J, Hernandez AF, Velazquez EJ, Shah SJ. Biomarker Profile of Left Atrial Myopathy in Heart Failure With Preserved Ejection Fraction: Insights From the RELAX Trial. Journal Of Cardiac Failure 2019, 26: 270-275. PMID: 31857197, PMCID: PMC7078046, DOI: 10.1016/j.cardfail.2019.12.001.Peer-Reviewed Original ResearchConceptsLA reservoir strainLA myopathyHeart failureNT-proBNPEjection fractionLA reservoirReservoir strainLA strainN-terminal pro-B-type natriuretic peptidePro-B-type natriuretic peptideAtrial mechanical dysfunctionEjection Fraction trialLA contractile strainLower LA reservoirJugular venous pressurePoor clinical outcomePhosphodiesterase-5 inhibitionAssociation of LAAtrial myopathyBaseline echocardiogramRELAX trialNeurohormonal activationExercise capacityVenous pressureClinical outcomes
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