2016
Clinical and echocardiographic predictors of mortality in acute pulmonary embolism
Dahhan T, Siddiqui I, Tapson VF, Velazquez EJ, Sun S, Davenport CA, Samad Z, Rajagopal S. Clinical and echocardiographic predictors of mortality in acute pulmonary embolism. Cardiovascular Ultrasound 2016, 14: 44. PMID: 27793158, PMCID: PMC5086059, DOI: 10.1186/s12947-016-0087-y.Peer-Reviewed Original ResearchConceptsAcute pulmonary embolismChronic obstructive pulmonary diseaseBody mass indexTricuspid annular plane systolic excursionPulmonary artery acceleration timePulmonary embolismActive malignancyEjection fractionClinical parametersMass indexNYHA class III symptomsRV myocardial performance indexAnnular plane systolic excursionLeft ventricular ejection fractionMedian body mass indexClass III symptomsFraction area changeRV Tei indexSpeckle-tracking strainOutcomes of patientsAbsence of hypertensionTroponin T levelsMyocardial performance indexObstructive pulmonary diseaseSystolic blood pressureImplementing a Continuous Quality Improvement Program in a High-Volume Clinical Echocardiography Laboratory
Samad Z, Minter S, Armour A, Tinnemore A, Sivak JA, Sedberry B, Strub K, Horan SM, Harrison JK, Kisslo J, Douglas PS, Velazquez EJ. Implementing a Continuous Quality Improvement Program in a High-Volume Clinical Echocardiography Laboratory. Circulation Cardiovascular Imaging 2016, 9: e003708. PMID: 26957220, DOI: 10.1161/circimaging.115.003708.Peer-Reviewed Original ResearchMeSH KeywordsAortic ValveAortic Valve StenosisCardiac CatheterizationCritical PathwaysEchocardiography, DopplerFeasibility StudiesHemodynamicsHospitals, High-VolumeHumansObserver VariationPatient Care TeamPractice Patterns, Physicians'Predictive Value of TestsProgram EvaluationProspective StudiesQuality ImprovementQuality Indicators, Health CareReproducibility of ResultsSeverity of Illness IndexWorkflowConceptsAortic stenosisCatheterization dataContinuous quality improvementMean gradientAortic valve mean gradientCQI teamClinical echocardiography laboratoryGreater aortic stenosisProportion of patientsReferral of patientsPrimary outcome measureContinuous quality improvement programQuality Improvement ProgramAortic gradientCardiac catheterizationEchocardiographic diagnosisEchocardiography studyPractice patternsInvasive studiesOutcome measuresEchocardiography laboratoryValve hemodynamicsSecond sonographerCatheterizationCQI program
2014
Impaired Resting Myocardial Annular Velocities Are Independently Associated With Mental Stress–Induced Ischemia in Coronary Heart Disease
Ersbøll M, Al Enezi F, Samad Z, Sedberry B, Boyle SH, O’Connor C, Jiang W, Velazquez EJ, Investigators R. Impaired Resting Myocardial Annular Velocities Are Independently Associated With Mental Stress–Induced Ischemia in Coronary Heart Disease. JACC Cardiovascular Imaging 2014, 7: 351-361. PMID: 24631512, PMCID: PMC3992174, DOI: 10.1016/j.jcmg.2013.10.014.Peer-Reviewed Original ResearchMeSH KeywordsAgedChi-Square DistributionEchocardiography, DopplerEchocardiography, StressExercise TestFemaleHumansLogistic ModelsMaleMiddle AgedMyocardial ContractionMyocardial IschemiaOdds RatioPredictive Value of TestsRandomized Controlled Trials as TopicRisk FactorsStress, PsychologicalStroke VolumeVentricular Function, LeftConceptsMental stress-induced ischemiaStress-induced myocardial ischemiaLeft ventricular ejection fractionTissue Doppler myocardial velocitiesVentricular ejection fractionMental stress testMyocardial velocitiesMyocardial ischemiaEjection fractionHeart diseaseConventional exercise stress testingWall motion index scoreIschemic ST-segment changesMyocardial tissue Doppler velocitiesRegional wall motion abnormalitiesPreclinical cardiac dysfunctionStress-induced ischemiaCoronary artery diseaseExercise stress testingTissue Doppler velocitiesCoronary heart diseaseLate diastolic velocityST-segment changesWall motion abnormalitiesStress–Induced Ischemia
2013
Prediction of All-Cause Mortality and Heart Failure Admissions From Global Left Ventricular Longitudinal Strain in Patients With Acute Myocardial Infarction and Preserved Left Ventricular Ejection Fraction
Ersbøll M, Valeur N, Mogensen UM, Andersen MJ, Møller JE, Velazquez EJ, Hassager C, Søgaard P, Køber L. Prediction of All-Cause Mortality and Heart Failure Admissions From Global Left Ventricular Longitudinal Strain in Patients With Acute Myocardial Infarction and Preserved Left Ventricular Ejection Fraction. Journal Of The American College Of Cardiology 2013, 61: 2365-2373. PMID: 23563128, DOI: 10.1016/j.jacc.2013.02.061.Peer-Reviewed Original ResearchMeSH KeywordsAgedCause of DeathCohort StudiesConfidence IntervalsEchocardiography, DopplerFemaleHeart FailureHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionPredictive Value of TestsPrognosisProportional Hazards ModelsProspective StudiesRisk AssessmentSeverity of Illness IndexStroke VolumeSurvival RateVentricular Dysfunction, LeftConceptsGlobal longitudinal strainHeart failure hospitalizationVentricular ejection fractionAcute myocardial infarctionMyocardial infarctionFailure hospitalizationSecondary endpointsEjection fractionHigh-risk myocardial infarctionVentricular global longitudinal strainLeft ventricular ejection fractionLongitudinal strainHeart failure admissionsPrimary composite endpointCox regression analysisHigh-risk subjectsVentricular longitudinal strainImportant prognostic informationSignificant prognostic valueAssessment of GLSParticular clinical relevanceCardiovascular deathCause mortalityPrimary endpointCardiac death
2011
Incremental value of echocardiographic assessment beyond clinical evaluation for prediction of death and development of heart failure after high-risk myocardial infarction
Verma A, Pfeffer MA, Skali H, Rouleau J, Maggioni A, McMurray JJ, Califf RM, Velazquez EJ, Solomon SD. Incremental value of echocardiographic assessment beyond clinical evaluation for prediction of death and development of heart failure after high-risk myocardial infarction. American Heart Journal 2011, 161: 1156-1162. PMID: 21641363, DOI: 10.1016/j.ahj.2011.03.024.Peer-Reviewed Original ResearchConceptsLV ejection fractionHigh-risk myocardial infarctionOutcome of deathHeart failureEchocardiographic measuresMyocardial infarctionEchocardiographic assessmentEjection fractionPrognostic valueClinical variablesClinical assessmentPredictive valueRight ventricular fractional area changeMultivariable proportional hazards modelsVentricular fractional area changeLeft ventricular ejection fractionMinimal prognostic valueAtrial volume indexIncremental prognostic valuePredictors of deathVentricular mass indexVentricular ejection fractionLeft ventricular functionPrediction of deathImportant prognostic information