2018
A meta‐analysis of MitraClip combined with medical therapy vs. medical therapy alone for treatment of mitral regurgitation in heart failure patients
Giannini C, D'ascenzo F, Fiorelli F, Spontoni P, Swaans MJ, Velazquez EJ, Armeni P, Adamo M, De Carlo M, Petronio AS. A meta‐analysis of MitraClip combined with medical therapy vs. medical therapy alone for treatment of mitral regurgitation in heart failure patients. ESC Heart Failure 2018, 5: 1150-1158. PMID: 30191666, PMCID: PMC6300824, DOI: 10.1002/ehf2.12339.Peer-Reviewed Original ResearchConceptsFunctional mitral regurgitationMedical therapyMitral regurgitationSurvival benefitConservative treatmentPercutaneous mitral valve repairEffect of MitraClipRobust survival benefitSignificant survival benefitCardiac resynchronization therapyEligible observational studiesHeart failure patientsVentricular ejection fractionMitral valve repairPatient-level analysisComprehensive literature searchStudy-level analysisConservative therapyIschemic etiologyPrimary endpointFailure patientsMultivariate adjustmentEjection fractionResynchronization therapySurvival outcomes
2016
Functional Mitral Regurgitation: Appraising the Evidence Behind Recommended Treatment Strategies
Samad Z, Velazquez EJ. Functional Mitral Regurgitation: Appraising the Evidence Behind Recommended Treatment Strategies. Current Cardiology Reports 2016, 18: 128. PMID: 27796864, DOI: 10.1007/s11886-016-0808-8.Peer-Reviewed Original Research
2015
Management and outcomes in patients with moderate or severe functional mitral regurgitation and severe left ventricular dysfunction
Samad Z, Shaw LK, Phelan M, Ersboll M, Risum N, Al-Khalidi HR, Glower DD, Milano CA, Alexander JH, O'Connor CM, Wang A, Velazquez EJ. Management and outcomes in patients with moderate or severe functional mitral regurgitation and severe left ventricular dysfunction. European Heart Journal 2015, 36: 2733-2741. PMID: 26233850, DOI: 10.1093/eurheartj/ehv343.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseSevere mitral regurgitationEvent-free survival benefitHigher event-free survivalSevere functional mitral regurgitationMV surgerySevere LV dysfunctionEvent-free survivalOutcomes of patientsMitral regurgitationFunctional mitral regurgitationIPW adjustmentSystolic dysfunctionLV dysfunctionSurvival benefitEntire cohortTreatment strategiesSevere left ventricular systolic dysfunctionCoronary artery bypass graft surgeryMultivariable Cox proportional hazards modelsSevere left ventricular dysfunctionArtery bypass graft surgeryLeft ventricular systolic dysfunctionCox proportional hazards modelIsolated MV surgeryComparison of Transesophageal and Transthoracic Echocardiographic Measurements of Mechanism and Severity of Mitral Regurgitation in Ischemic Cardiomyopathy (from the Surgical Treatment of Ischemic Heart Failure Trial)
Grayburn PA, She L, Roberts BJ, Golba KS, Mokrzycki K, Drozdz J, Cherniavsky A, Przybylski R, Wrobel K, Asch FM, Holly TA, Haddad H, Yii M, Maurer G, Kron I, Schaff H, Velazquez EJ, Oh JK. Comparison of Transesophageal and Transthoracic Echocardiographic Measurements of Mechanism and Severity of Mitral Regurgitation in Ischemic Cardiomyopathy (from the Surgical Treatment of Ischemic Heart Failure Trial). The American Journal Of Cardiology 2015, 116: 913-918. PMID: 26170249, PMCID: PMC4554976, DOI: 10.1016/j.amjcard.2015.06.015.Peer-Reviewed Original ResearchConceptsTransesophageal echocardiographyMitral regurgitationIschemic cardiomyopathyMR gradeIschemic Heart Failure (STICH) trialMechanism of MRBaseline transesophageal echocardiographyHeart Failure TrialIndependent core laboratoryIschemic heart diseaseFunctional mitral regurgitationComparison of TransesophagealMitral annular diameterModest correlationMitral annulus diameterTransthoracic echocardiographic measurementsTransthoracic echocardiography imagingTenting areaBlood pressureSurgical treatmentFailure TrialEchocardiographic measurementsHeart diseaseTTE measurementsAnnulus diameter
2013
Mechanisms of Functional Mitral Regurgitation in Ischemic Cardiomyopathy Determined by Transesophageal Echocardiography (from the Surgical Treatment for Ischemic Heart Failure Trial)
Golba K, Mokrzycki K, Drozdz J, Cherniavsky A, Wrobel K, Roberts BJ, Haddad H, Maurer G, Yii M, Asch FM, Handschumacher MD, Holly TA, Przybylski R, Kron I, Schaff H, Aston S, Horton J, Lee KL, Velazquez EJ, Grayburn PA, Investigators S. Mechanisms of Functional Mitral Regurgitation in Ischemic Cardiomyopathy Determined by Transesophageal Echocardiography (from the Surgical Treatment for Ischemic Heart Failure Trial). The American Journal Of Cardiology 2013, 112: 1812-1818. PMID: 24035166, PMCID: PMC3830629, DOI: 10.1016/j.amjcard.2013.07.047.Peer-Reviewed Original ResearchConceptsEnd-systolic volume indexLV end-systolic volume indexFunctional mitral regurgitationLV ejection fractionSeverity of MRMitral regurgitationVolume indexTenting areaIschemic cardiomyopathyMR gradeAnnulus areaVentricular end-systolic volume indexIschemic Heart Failure (STICH) trialSphericity indexHeart Failure TrialEffective regurgitant orifice areaPosterior leaflet angleMitral annulus areaMitral annulus diameterRegurgitant orifice areaSTICH trialSurgical treatmentEjection fractionFailure TrialTransesophageal echocardiography
2012
Mechanisms and Predictors of Mitral Regurgitation after High-Risk Myocardial Infarction
Meris A, Amigoni M, Verma A, Thune JJ, Køber L, Velazquez E, McMurray JJ, Pfeffer MA, Califf R, Levine RA, Solomon SD, Investigators V. Mechanisms and Predictors of Mitral Regurgitation after High-Risk Myocardial Infarction. Journal Of The American Society Of Echocardiography 2012, 25: 535-542. PMID: 22305962, PMCID: PMC3501447, DOI: 10.1016/j.echo.2012.01.006.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAngiotensin-Converting Enzyme InhibitorsCaptoprilDisease ProgressionEchocardiography, Doppler, ColorElectrocardiographyFemaleFollow-Up StudiesHumansMaleMiddle AgedMitral Valve InsufficiencyMonitoring, PhysiologicMultivariate AnalysisMyocardial InfarctionPredictive Value of TestsProspective StudiesReference ValuesReproducibility of ResultsRisk AssessmentROC CurveSeverity of Illness IndexSex FactorsStatistics, NonparametricStroke VolumeTetrazolesTime FactorsValineValsartanVentricular Dysfunction, LeftVentricular RemodelingConceptsHigh-risk myocardial infarctionBaseline mitral regurgitationMitral regurgitationMyocardial infarctionAtrial sizeIndependent predictorsCoaptation depthProgression of MRMitral valve deformationStructural valve diseaseSevere mitral regurgitationFunctional mitral regurgitationIschemic mitral regurgitationGood-quality echocardiogramsMitral annular areaMitral tentingMR degreeLV dysfunctionTenting areaBaseline characteristicsDiastolic functionHeart failureValve diseaseLV remodelingVentricular remodeling