2017
Incidence and Predictors of Left Atrial Appendage Thrombus in Patients Treated With Nonvitamin K Oral Anticoagulants Versus Warfarin Before Catheter Ablation for Atrial Fibrillation
Wyrembak J, Campbell KB, Steinberg BA, Bahnson TD, Daubert JP, Velazquez EJ, Samad Z, Atwater BD. Incidence and Predictors of Left Atrial Appendage Thrombus in Patients Treated With Nonvitamin K Oral Anticoagulants Versus Warfarin Before Catheter Ablation for Atrial Fibrillation. The American Journal Of Cardiology 2017, 119: 1017-1022. PMID: 28153350, DOI: 10.1016/j.amjcard.2016.12.008.Peer-Reviewed Original ResearchConceptsRoutine transesophageal echocardiographyAtrial appendage thrombusLAA thrombusTransesophageal echocardiographyVASc scoreAppendage thrombusNonvitamin K oral anticoagulantsLeft atrial appendage thrombusSingle-center retrospective studyLower LAA velocityTEE-related complicationsOral anticoagulant therapyAtrial fibrillation ablationLAA velocityNOAC therapyOral anticoagulantsAF ablationAnticoagulant therapyCatheter ablationFibrillation ablationAtrial fibrillationRetrospective studyTEE procedureLower incidenceNOACs
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
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)
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