2016
An Approach to Improve the Negative Predictive Value and Clinical Utility of Transthoracic Echocardiography in Suspected Native Valve Infective Endocarditis
Sivak JA, Vora AN, Navar AM, Schulte PJ, Crowley AL, Kisslo J, Corey GR, Liao L, Wang A, Velazquez EJ, Samad Z. An Approach to Improve the Negative Predictive Value and Clinical Utility of Transthoracic Echocardiography in Suspected Native Valve Infective Endocarditis. Journal Of The American Society Of Echocardiography 2016, 29: 315-322. PMID: 26850679, PMCID: PMC6052444, DOI: 10.1016/j.echo.2015.12.009.Peer-Reviewed Original ResearchConceptsInitial transthoracic echocardiographyNative valve infective endocarditisTransthoracic echocardiographyTransesophageal echocardiographyNegative predictive valueInfective endocarditisPredictive valueNegative resultsNegative findingsNative valve endocarditisValve endocarditisClinical suspicionIntermediate riskSingle institutionTransthoracic approachCurrent guidelinesTransthoracic studyDiagnostic characteristicsRetrospective analysisClinical utilityPatientsEndocarditisEchocardiographyDiagnostic performanceGold standard
2015
Influence of QRS infarct score and QRS duration prior to transcatheter aortic valve replacement on follow-up left ventricular end systolic volume in patients with new persistent left bundle branch block
Hannink LG, Wagner GS, Kisslo J, Alenezi FA, Shaw LK, Hofmann P, Zusterzeel R, Phelan M, Velazquez EJ, Gorgels AP. Influence of QRS infarct score and QRS duration prior to transcatheter aortic valve replacement on follow-up left ventricular end systolic volume in patients with new persistent left bundle branch block. Journal Of Electrocardiology 2015, 48: 637-642. PMID: 25959263, DOI: 10.1016/j.jelectrocard.2015.04.010.Peer-Reviewed Original ResearchMeSH KeywordsAged, 80 and overAortic Valve StenosisBundle-Branch BlockDiagnosis, Computer-AssistedEchocardiographyElectrocardiographyFemaleFollow-Up StudiesHumansMalePrognosisReproducibility of ResultsRetrospective StudiesRisk AssessmentSensitivity and SpecificityStroke VolumeTranscatheter Aortic Valve ReplacementTreatment OutcomeConceptsLeft bundle branch blockTranscatheter aortic valve replacementPersistent left bundle branch blockVentricular end-systolic volumeAortic valve replacementBundle branch blockEnd-systolic volumeQRS durationInfarct scoreValve replacementVentricular functionBranch blockNew-onset left bundle branch blockLeft ventricular end-systolic volumeNew left bundle branch blockLeft ventricular functionLarger study populationStrict inclusion criteriaSuch predictive valueQRS scoreSystolic volumeInclusion criteriaStudy populationCardiac conditionsPredictive value
2011
LV Thrombus Detection by Routine Echocardiography Insights Into Performance Characteristics Using Delayed Enhancement CMR
Weinsaft JW, Kim HW, Crowley AL, Klem I, Shenoy C, Van Assche L, Brosnan R, Shah DJ, Velazquez EJ, Parker M, Judd RM, Kim RJ. LV Thrombus Detection by Routine Echocardiography Insights Into Performance Characteristics Using Delayed Enhancement CMR. JACC Cardiovascular Imaging 2011, 4: 702-712. PMID: 21757159, PMCID: PMC3724234, DOI: 10.1016/j.jcmg.2011.03.017.Peer-Reviewed Original ResearchMeSH KeywordsAgedChi-Square DistributionContrast MediaEchocardiographyFemaleHeart DiseasesHeart VentriclesHumansMagnetic Resonance ImagingMagnetic Resonance Imaging, CineMaleMiddle AgedPredictive Value of TestsProspective StudiesRegistriesThrombosisVentricular Dysfunction, LeftVentricular Function, LeftConceptsDelayed-enhancement cardiac magnetic resonanceLeft ventricular thrombusRoutine echoPositive predictive valuePredictive valueClinical indicationsLeft ventricular systolic dysfunctionLV thrombus detectionVentricular systolic dysfunctionRoutine clinical careCardiac magnetic resonanceNegative predictive valueDiagnostic confidence scoreLVT detectionSystolic dysfunctionVentricular thrombusEmbolic eventsEnhancement CMREcho contrastMural thrombusPrimary indicationContrast useClinical carePatientsThrombusIncremental 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