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 volumeAssessment of the left atrial volume and function following percutaneous mitral balloon valvuloplasty: Insights into acute and late impact of atrial fibrillation on atrial remodeling
Soares J, Carvalho V, Lodi-Junqueira L, Fonseca I, Athayde G, de Sales I, Caldas A, Carvalho P, Matos T, Mello L, Esteves W, Tan T, Levine R, Hung J, Nunes M. Assessment of the left atrial volume and function following percutaneous mitral balloon valvuloplasty: Insights into acute and late impact of atrial fibrillation on atrial remodeling. International Journal Of Cardiology 2023, 394: 131361. PMID: 37709205, DOI: 10.1016/j.ijcard.2023.131361.Peer-Reviewed Original ResearchConceptsPercutaneous mitral balloon valvuloplastyMitral balloon valvuloplastyLA volumeLA emptying fractionAtrial fibrillationFollow-upBalloon valvuloplastyMitral stenosisEmptying fractionLA functionSinus rhythmSevere MSNew York Heart Association functional classPost-procedural mean gradientImpact of atrial fibrillationRheumatic mitral stenosisLeft atrial volumeLA minimum volumeThree-dimensional echocardiographyAtrial volumePermanent AFLA remodelingValve interventionValve obstructionAtrial remodeling
2021
Left atrial evaluation by cardiovascular magnetic resonance: sensitive and unique biomarkers
Peters DC, Lamy J, Sinusas AJ, Baldassarre LA. Left atrial evaluation by cardiovascular magnetic resonance: sensitive and unique biomarkers. European Heart Journal - Cardiovascular Imaging 2021, 23: 14-30. PMID: 34718484, PMCID: PMC8685602, DOI: 10.1093/ehjci/jeab221.Peer-Reviewed Original ResearchConceptsLate gadolinium enhancementAtrial fibrillationCardiovascular magnetic resonanceDiastolic dysfunctionEjection fractionAF recurrenceAtrial fibrosisNew-onset atrial fibrillationPost-operative atrial fibrillationLongitudinal LA strainExtent of fibrosisLong-axis cine imagesCine imagesAtrial imagingCardiovascular eventsLA volumeRisk stratificationAF subjectsPrognostic informationHypertrophic cardiomyopathyLA strainGadolinium enhancementSensitive markerAblation proceduresMagnetic resonancePredictors of Major Atrial Fibrillation Endpoints in the National Heart, Lung, and Blood Institute HCMR
Kramer CM, DiMarco JP, Kolm P, Ho CY, Desai MY, Kwong RY, Dolman SF, Desvigne-Nickens P, Geller N, Kim DY, Maron MS, Appelbaum E, Jerosch-Herold M, Friedrich MG, Schulz-Menger J, Piechnik SK, Mahmod M, Jacoby D, White J, Chiribiri A, Helms A, Choudhury L, Michels M, Bradlow W, Salerno M, Dawson DK, Weinsaft JW, Berry C, Nagueh SF, Buccarelli-Ducci C, Owens A, Casadei B, Watkins H, Weintraub WS, Neubauer S, Investigators H. Predictors of Major Atrial Fibrillation Endpoints in the National Heart, Lung, and Blood Institute HCMR. JACC Clinical Electrophysiology 2021, 7: 1376-1386. PMID: 34217663, PMCID: PMC8605982, DOI: 10.1016/j.jacep.2021.04.004.Peer-Reviewed Original ResearchConceptsBody mass indexSevere mitral regurgitationHistory of arrhythmiaMitral regurgitationHypertrophic cardiomyopathyAtrial fibrillationLA volumeProspective natural history studyVolume indexHigher Body Mass IndexAtrial volume indexLA volume indexPermanent atrial fibrillationOlder adult patientsStrong risk factorNatural history studiesCommon morbidityAdult patientsElectrical cardioversionYounger patientsCatheter ablationEndpoint eventsMass indexNational HeartRisk factors
2020
Left atrial late gadolinium enhancement is associated with atrial fibrillation as detected by continuous monitoring
Bertelsen L, Diederichsen S, Haugan K, Brandes A, Graff C, Krieger D, Kronborg C, Kober L, Peters D, Olesen M, Hojberg S, Vejlstrup N, Svendsen J. Left atrial late gadolinium enhancement is associated with atrial fibrillation as detected by continuous monitoring. European Heart Journal 2020, 41: ehaa946.0308. DOI: 10.1093/ehjci/ehaa946.0308.Peer-Reviewed Original ResearchImplantable loop recorderIncident AFAtrial late gadolinium enhancementLA-LGELate gadolinium enhancementLoop recorderLA volumeLeft ventricularAF episodesGadolinium enhancementLV extracellular volume fractionCardiac magnetic resonance imagingAF ablation proceduresCox regression analysisMultivariable risk prediction modelMagnetic resonance imagingRisk prediction modelExtracellular volume fractionUnknown AFLA fibrosisHazard ratioAtrial fibrillationPrognostic valueAtrial fibrosisRisk factorsLeft atrial strain and diastolic function abnormalities in obese and type 2 diabetic adolescents and young adults
Steele JM, Urbina EM, Mazur WM, Khoury PR, Nagueh SF, Tretter JT, Alsaied T. Left atrial strain and diastolic function abnormalities in obese and type 2 diabetic adolescents and young adults. Cardiovascular Diabetology 2020, 19: 163. PMID: 33004030, PMCID: PMC7531140, DOI: 10.1186/s12933-020-01139-9.Peer-Reviewed Original ResearchConceptsConduit strain rateDiastolic function abnormalitiesLV diastolic functionDiastolic functionFunction abnormalitiesT2DM patientsYoung adultsLA volumeMultivariable analysisBooster strainLeft ventricular diastolic function abnormalitiesType 2 diabetic adolescentsType 2 diabetes mellitusMitral E/Normal LA volumePrevalence of diastolicStructurally normal heartsPrevalence of abnormalitiesSpeckle tracking measurementsAtrial strainAtrial functionDiabetes mellitusEchocardiographic measuresEjection fractionHeart failure
2019
Left atrial functional and structural changes associated with ablation of atrial fibrillation - Cardiac magnetic resonance study
Csécs I, Yamaguchi T, Kheirkhahan M, Czimbalmos C, Fochler F, Kholmovski E, Morris A, Kaur G, Vago H, Merkely B, Chelu M, Marrouche N, Wilson B. Left atrial functional and structural changes associated with ablation of atrial fibrillation - Cardiac magnetic resonance study. International Journal Of Cardiology 2019, 305: 154-160. PMID: 31874788, DOI: 10.1016/j.ijcard.2019.12.010.Peer-Reviewed Original ResearchConceptsCardiac magnetic resonance imagingCardiac magnetic resonance studyLA-LGEPredictors of recurrenceLate gadolinium enhancementLA volumeAtrial fibrillationPredictor of arrhythmia recurrenceSuccess of AF ablationAssessment of LA functionSelection of optimal treatment strategiesSuccess of atrial fibrillationOptimal treatment strategyBaseline functional parametersAssociated with ablationMagnetic resonance imagingArrhythmia recurrenceAF ablationAF patientsAtrial functionLA functionPost-ablationUnivariate analysisTreatment strategiesRecurrencePrognostic and functional implications of left atrial late gadolinium enhancement cardiovascular magnetic resonance
Quail M, Grunseich K, Baldassarre LA, Mojibian H, Marieb MA, Cornfeld D, Soufer A, Sinusas AJ, Peters DC. Prognostic and functional implications of left atrial late gadolinium enhancement cardiovascular magnetic resonance. Journal Of Cardiovascular Magnetic Resonance 2019, 21: 2. PMID: 30602395, PMCID: PMC6317232, DOI: 10.1186/s12968-018-0514-3.Peer-Reviewed Original ResearchConceptsLA late gadolinium enhancementNew-onset atrial arrhythmiasLate gadolinium enhancementAtrial arrhythmiasAtrial late gadolinium enhancementLA functionAtrial fibrillationGadolinium enhancementCardiovascular magnetic resonance imagingNew atrial arrhythmiasPoor procedural outcomesLV diastolic functionLA ejection fractionVentricular mechanical functionCardiovascular magnetic resonanceMagnetic resonance imagingSeptal eDiastolic functionEjection fractionHazard ratioLA volumeProcedural outcomesPrognostic biomarkerCardiac diseasePrior history
2018
Assessment of diastolic function and atrial remodeling by MRI – validation and correlation with echocardiography and filling pressure
Seemann F, Baldassarre LA, Llanos‐Chea F, Gonzales RA, Grunseich K, Hu C, Sugeng L, Meadows J, Heiberg E, Peters DC. Assessment of diastolic function and atrial remodeling by MRI – validation and correlation with echocardiography and filling pressure. Physiological Reports 2018, 6: e13828. PMID: 30187654, PMCID: PMC6125607, DOI: 10.14814/phy2.13828.Peer-Reviewed Original ResearchConceptsLate gadolinium enhancementMagnetic resonance imagingPulmonary capillary wedge pressureLA late gadolinium enhancementCapillary wedge pressureTransthoracic echocardiographyDiastolic functionDiastolic parametersWedge pressureAtrial remodelingFilling pressureCardiovascular magnetic resonance imagingLeft atrial remodelingVentricular filling pressureAtrial late gadolinium enhancementLGE-magnetic resonance imagingDiastolic dysfunctionMedical chartsLA volumeAtrial fibrosisGadolinium enhancementResonance imagingPressure catheterizationLow interobserverEchocardiography
2014
Severity of leukoaraiosis, leptomeningeal collaterals, and clinical outcomes after intra-arterial therapy in patients with acute ischemic stroke
Giurgiutiu D, Yoo A, Fitzpatrick K, Chaudhry Z, Leslie-Mazwi T, Schwamm L, Rost N. Severity of leukoaraiosis, leptomeningeal collaterals, and clinical outcomes after intra-arterial therapy in patients with acute ischemic stroke. Journal Of NeuroInterventional Surgery 2014, 7: 326. PMID: 24721756, DOI: 10.1136/neurintsurg-2013-011083.Peer-Reviewed Original ResearchConceptsIntra-arterial therapyProximal artery occlusionAcute ischemic strokeSeverity of leukoaraiosisGood functional outcomeLA volumeCollateral gradeRecanalization statusArtery occlusionIschemic strokeFunctional outcomeIntravenous tissue plasminogen activator useHealth Stroke Scale scoreLarge cerebral artery occlusionPoor post-stroke outcomesIschemic white matter lesionsTissue plasminogen activator useGood collateral gradesGreater LA volumeGuidelines-Stroke databasePoor collateral gradeStroke Scale scoreSymptomatic intracranial hemorrhageCerebral artery occlusionCerebral small vessels
2008
Left atrial remodelling in patients with myocardial infarction complicated by heart failure, left ventricular dysfunction, or both: the VALIANT Echo Study
Meris A, Amigoni M, Uno H, Thune JJ, Verma A, Køber L, Bourgoun M, McMurray JJ, Velazquez EJ, Maggioni AP, Ghali J, Arnold JM, Zelenkofske S, Pfeffer MA, Solomon SD. Left atrial remodelling in patients with myocardial infarction complicated by heart failure, left ventricular dysfunction, or both: the VALIANT Echo Study. European Heart Journal 2008, 30: 56-65. PMID: 19001474, DOI: 10.1093/eurheartj/ehn499.Peer-Reviewed Original ResearchConceptsHigh-risk myocardial infarctionMyocardial infarctionHeart failureIndependent predictorsLA sizeHF hospitalizationVentricular dysfunctionFirst monthBaseline independent predictorsVALIANT Echo studyLeft ventricular dysfunctionGlomerular filtration rateLeft atrial sizeBody surface areaBaseline LAVICause deathAtrial sizeLA enlargementAtrial remodellingEchocardiography studyLA remodellingLA volumeAdverse outcomesLV massFiltration rate
2007
The Relationship Between Renal Function and Cardiac Structure, Function, and Prognosis After Myocardial Infarction The VALIANT Echo Study
Verma A, Anavekar NS, Meris A, Thune JJ, Arnold JM, Ghali JK, Velazquez EJ, McMurray JJ, Pfeffer MA, Solomon SD. The Relationship Between Renal Function and Cardiac Structure, Function, and Prognosis After Myocardial Infarction The VALIANT Echo Study. Journal Of The American College Of Cardiology 2007, 50: 1238-1245. PMID: 17888840, DOI: 10.1016/j.jacc.2007.06.018.Peer-Reviewed Original ResearchConceptsLeft ventricular mass indexRenal impairmentHeart failureMyocardial infarctionRenal functionCardiac structureReduced eGFRSystolic functionLA volumeSmaller LVHigher left ventricular mass indexLarger left atrial volumeInfarct segment lengthMitral deceleration timeVALIANT Echo studyMultivariable Cox regressionAdverse cardiovascular outcomesLeft ventricular dysfunctionNormal renal functionOutcome of deathRight ventricular functionVentricular mass indexGlomerular filtration rateAdditional prognostic informationLarger LA volumes
2006
Objective evaluation of changes in left ventricular and atrial volumes during parabolic flight using real-time three-dimensional echocardiography
Caiani E, Sugeng L, Weinert L, Capderou A, Lang R, Vaïda P. Objective evaluation of changes in left ventricular and atrial volumes during parabolic flight using real-time three-dimensional echocardiography. Journal Of Applied Physiology 2006, 101: 460-468. PMID: 16601310, DOI: 10.1152/japplphysiol.00014.2006.Peer-Reviewed Original ResearchConceptsLower body negative pressureRT3DE imagingReal-time three-dimensional echocardiographyLA volume changeLeft heart volumeThree-dimensional echocardiographyPrevent cardiac dilatationRT3DE data setsEffect of lower body negative pressureIncrease of LVQuantification of LVAtrial volumeEjection fractionLA volumeCardiac dilatationEndocardial definitionCardiac functionEnd-diastolicVenous returnNormal subjectsHeart volumeEnd-systoleReal-time three-dimensionalBreath-holdData sets
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