2024
Real-world evaluation of an algorithmic machine-learning-guided testing approach in stable chest pain: a multinational, multicohort study
Oikonomou E, Aminorroaya A, Dhingra L, Partridge C, Velazquez E, Desai N, Krumholz H, Miller E, Khera R. Real-world evaluation of an algorithmic machine-learning-guided testing approach in stable chest pain: a multinational, multicohort study. European Heart Journal - Digital Health 2024, 5: 303-313. PMID: 38774380, PMCID: PMC11104476, DOI: 10.1093/ehjdh/ztae023.Peer-Reviewed Original ResearchRisk of acute myocardial infarctionAssociated with lower oddsHospital health systemCoronary artery diseaseCardiac testingRisk of adverse outcomesUK BiobankHealth systemProvider-drivenLower oddsAssociated with better outcomesAcute myocardial infarctionBlack raceStable chest painFemale sexReal world evaluationDiabetes historyMulticohort studyFunction testsSuspected coronary artery diseaseYounger ageRisk profileAdverse outcomesMultinational cohortPost hoc analysis
2019
High-Density Lipoprotein Particle Subfractions in Heart Failure With Preserved or Reduced Ejection Fraction
Hunter WG, McGarrah RW, Kelly JP, Khouri MG, Craig DM, Haynes C, Felker GM, Hernandez AF, Velazquez EJ, Kraus WE, Shah SH. High-Density Lipoprotein Particle Subfractions in Heart Failure With Preserved or Reduced Ejection Fraction. Journal Of The American College Of Cardiology 2019, 73: 177-186. PMID: 30654890, DOI: 10.1016/j.jacc.2018.10.059.Peer-Reviewed Original ResearchConceptsLipoprotein particle subfractionsHeart failureEjection fractionTotal HDLSmall HDLMajor adverse cardiac eventsVentricular end-diastolic pressureHDL-P sizeAdverse cardiac eventsReduced ejection fractionEnd-diastolic pressureCox proportional hazardsStrict inclusion criteriaCATHGEN biorepositoryDiastolic dysfunctionAdverse eventsCardiac eventsSequential patientsCardiac catheterizationEndothelial functionMultivariable analysisPrognostic utilityAdverse outcomesClinical covariatesHFpEF
2018
Clinical Utility and Prognostic Value of Right Atrial Function in Pulmonary Hypertension
Alenezi F, Mandawat A, Il'Giovine ZJ, Shaw LK, Siddiqui I, Tapson VF, Arges K, Rivera D, Romano MMD, Velazquez EJ, Douglas PS, Samad Z, Rajagopal S. Clinical Utility and Prognostic Value of Right Atrial Function in Pulmonary Hypertension. Circulation Cardiovascular Imaging 2018, 11: e006984. PMID: 30571314, PMCID: PMC6309911, DOI: 10.1161/circimaging.117.006984.Peer-Reviewed Original ResearchConceptsPulmonary arterial hypertensionArterial hypertensionRA dysfunctionLongitudinal strainComplete echocardiographic dataResults Study subjectsRight atrial functionRight atrial enlargementComposite of timeEarly diastolic SRPeak longitudinal strainRA conduitRA reservoirMultivariable adjustmentPulmonary hypertensionAtrial functionComposite outcomeDiastolic SRAtrial enlargementAtrial sizePrimary outcomePrognostic importancePrognostic valueAdverse outcomesMean age
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
2006
Comparison of Regional Versus Global Assessment of Left Ventricular Function in Patients with Left Ventricular Dysfunction, Heart Failure, or Both After Myocardial Infarction: The Valsartan in Acute Myocardial Infarction Echocardiographic Study
Thune JJ, Køber L, Pfeffer MA, Skali H, Anavekar NS, Bourgoun M, Ghali JK, Arnold JM, Velazquez EJ, Solomon SD. Comparison of Regional Versus Global Assessment of Left Ventricular Function in Patients with Left Ventricular Dysfunction, Heart Failure, or Both After Myocardial Infarction: The Valsartan in Acute Myocardial Infarction Echocardiographic Study. Journal Of The American Society Of Echocardiography 2006, 19: 1462-1465. PMID: 17138030, DOI: 10.1016/j.echo.2006.05.028.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntihypertensive AgentsComorbidityEchocardiographyFemaleHeart FailureHumansInternationalityMaleMiddle AgedMyocardial InfarctionPrevalencePrognosisReproducibility of ResultsRisk AssessmentRisk FactorsSensitivity and SpecificityStroke VolumeTetrazolesValineValsartanVentricular Dysfunction, LeftConceptsWall motion indexMyocardial infarctionHeart failureLV dysfunctionEjection fractionIndependent predictorsGlobal assessmentLeft ventricular dysfunctionLV systolic functionVentricular ejection fractionAdditional prognostic informationLeft ventricular functionAcute myocardial infarctionBiplane Simpson's ruleWall motion assessmentVentricular dysfunctionSystolic functionEchocardiographic studyVentricular functionMultivariable analysisPrognostic valueAdverse outcomesPrognostic informationLVEFRegional dysfunctionAssociation of QRS duration and outcomes after myocardial infarction: the VALIANT trial
Yerra L, Anavekar N, Skali H, Zelenkofske S, Velazquez E, McMurray J, Pfeffer M, Solomon SD. Association of QRS duration and outcomes after myocardial infarction: the VALIANT trial. Heart Rhythm 2006, 3: 313-316. PMID: 16500304, DOI: 10.1016/j.hrthm.2005.11.024.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngiotensin-Converting Enzyme InhibitorsAntihypertensive AgentsCohort StudiesElectrocardiographyFemaleFollow-Up StudiesHeart VentriclesHumansMaleMiddle AgedMyocardial InfarctionPrognosisStroke VolumeSurvival RateTetrazolesTreatment OutcomeValineValsartanVentricular Dysfunction, LeftConceptsQRS durationSudden deathCV deathAdverse outcomesMyocardial infarctionPost-myocardial infarction settingUnivariate relative riskLeft ventricular dysfunctionHeart failure patientsSymptoms of HFAcute myocardial infarctionDevelopment of HFEnd-systolic volumeLarger ventricular volumesQRS duration prolongationRecurrent MICardiovascular deathInitial electrocardiogramVentricular dysfunctionAcute MIFailure patientsSystolic functionEjection fractionIndependent predictorsClinical outcomes
2004
Newly Diagnosed and Previously Known Diabetes Mellitus and 1-Year Outcomes of Acute Myocardial Infarction
Aguilar D, Solomon SD, Køber L, Rouleau JL, Skali H, McMurray JJ, Francis GS, Henis M, O’Connor C, Diaz R, Belenkov YN, Varshavsky S, Leimberger JD, Velazquez EJ, Califf RM, Pfeffer MA. Newly Diagnosed and Previously Known Diabetes Mellitus and 1-Year Outcomes of Acute Myocardial Infarction. Circulation 2004, 110: 1572-1578. PMID: 15364810, DOI: 10.1161/01.cir.0000142047.28024.f2.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngiotensin II Type 1 Receptor BlockersAngiotensin-Converting Enzyme InhibitorsCaptoprilCohort StudiesComorbidityDiabetes ComplicationsDiabetes MellitusDrug Therapy, CombinationFemaleFollow-Up StudiesHeart FailureHumansLife TablesMaleMedical RecordsMiddle AgedMulticenter Studies as TopicMyocardial InfarctionProportional Hazards ModelsRandomized Controlled Trials as TopicRiskStrokeTetrazolesTime FactorsTreatment OutcomeValineValsartanVentricular Dysfunction, LeftConceptsAcute myocardial infarctionMyocardial infarctionCardiovascular eventsDiabetes mellitusAdverse outcomesAcute Myocardial Infarction trialPoor long-term outcomesMajor cardiovascular eventsMyocardial Infarction trialHigh-risk patientsRisk of deathLong-term outcomesRisk of mortalityBaseline characteristicsDiabetic statusComorbid conditionsMetabolic abnormalitiesPrior diagnosisPoor prognosisNew diagnosisDiabetesPatientsMellitusOutcomesInfarction