2019
Death: The Simple Clinical Trial Endpoint.
Eisenstein EL, Prather K, Greene SJ, Harding T, Harrington A, Gabriel D, Jones I, Mentz RJ, Velazquez EJ, Anstrom KJ. Death: The Simple Clinical Trial Endpoint. 2019, 257: 86-91. PMID: 30741178, PMCID: PMC8228236.Peer-Reviewed Original Research
2015
Comparative effectiveness of torsemide versus furosemide in heart failure patients: insights from the PROTECT trial
Mentz RJ, Velazquez EJ, Metra M, McKendry C, Chiswell K, Fiuzat M, Givertz MM, Voors AA, Teerlink JR, O'Connor CM. Comparative effectiveness of torsemide versus furosemide in heart failure patients: insights from the PROTECT trial. Future Cardiology 2015, 11: 585-595. PMID: 26403536, PMCID: PMC5558519, DOI: 10.2217/fca.15.56.Peer-Reviewed Original ResearchConceptsPROTECT trialComparative effectivenessHigher blood urea nitrogenEffects of torsemideProspective randomized trialsHeart failure patientsBlood urea nitrogenGreater disease severityDays postdischargeFailure patientsHeart failureLoop diureticsRandomized trialsRenal hospitalizationUrea nitrogenDisease severityPatientsFurosemideInverse probabilityTorsemideTrialsDeathOutcomesHospitalizationDiuretics
2011
Circumstances and Outcomes of Sudden Unexpected Death in Patients With High-Risk Myocardial Infarction
Ye S, Grunnert M, Thune JJ, Stephenson KM, Uno H, Finn PV, McMurray JJ, Velazquez EJ, Califf R, Pfeffer MA, Solomon SD. Circumstances and Outcomes of Sudden Unexpected Death in Patients With High-Risk Myocardial Infarction. Circulation 2011, 123: 2674-2680. PMID: 21606398, DOI: 10.1161/circulationaha.110.990655.Peer-Reviewed Original ResearchConceptsHigh-risk myocardial infarctionSudden deathMyocardial infarctionHospital eventsVentricular tachycardia/ventricular fibrillationPrevention of SDSD eventsLong-term mortalityMajority of patientsSudden unexpected deathInitial ECG rhythmCatastrophic complicationUnwitnessed arrestsUnexpected deathVentricular fibrillationTrial trialsPatientsInfarctionECG rhythmDeathPreventionHigher proportionHome eventsArrestSource documentationCoronary-Artery Bypass Surgery in Patients with Left Ventricular Dysfunction
Velazquez EJ, Lee KL, Deja MA, Jain A, Sopko G, Marchenko A, Ali IS, Pohost G, Gradinac S, Abraham WT, Yii M, Prabhakaran D, Szwed H, Ferrazzi P, Petrie MC, O'Connor CM, Panchavinnin P, She L, Bonow RO, Rankin GR, Jones RH, Rouleau JL. Coronary-Artery Bypass Surgery in Patients with Left Ventricular Dysfunction. New England Journal Of Medicine 2011, 364: 1607-1616. PMID: 21463150, PMCID: PMC3415273, DOI: 10.1056/nejmoa1100356.Peer-Reviewed Original ResearchConceptsMedical therapy groupCardiovascular causesCoronary artery diseaseMedical therapyCABG groupRate of deathArtery diseasePrimary outcomeMajor secondary outcomesCoronary artery bypassPrimary end pointArtery bypass surgeryLeft ventricular dysfunctionTreatment of patientsVentricular dysfunctionBypass surgerySecondary outcomesEjection fractionHeart failureCABGPatientsTherapyEnd pointHospitalizationDeathPredictors and prognostic impact of recurrent myocardial infarction in patients with left ventricular dysfunction, heart failure, or both following a first myocardial infarction
Thune JJ, Signorovitch JE, Kober L, McMurray JJ, Swedberg K, Rouleau J, Maggioni A, Velazquez E, Califf R, Pfeffer MA, Solomon SD. Predictors and prognostic impact of recurrent myocardial infarction in patients with left ventricular dysfunction, heart failure, or both following a first myocardial infarction. European Journal Of Heart Failure 2011, 13: 148-153. PMID: 21037250, DOI: 10.1093/eurjhf/hfq194.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedCaptoprilCause of DeathConfidence IntervalsDrug Therapy, CombinationFemaleFollow-Up StudiesHeart FailureHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionPredictive Value of TestsPrognosisProportional Hazards ModelsRecurrenceRisk AssessmentSeverity of Illness IndexSex FactorsSurvival AnalysisTetrazolesTime FactorsValineValsartanVentricular Dysfunction, LeftConceptsRecurrent myocardial infarctionFirst myocardial infarctionRisk of deathLeft ventricular dysfunctionMyocardial infarctionVentricular dysfunctionHeart failurePrognostic impactOne-year mortalityGlomerular filtration rateEarly reinfarctionLate reinfarctionTrial cohortUnstable anginaProlong survivalMedian timeMI survivorsFiltration ratePatientsContemporary managementContemporary treatmentInfarctionMortalityReinfarctionDeath
2010
Departures from the protocol during conduct of a clinical trial: a pattern from the data record consistent with a learning curve
Taekman J, Stafford-Smith M, Velazquez E, Wright M, Phillips-Bute B, Pfeffer M, Sellers M, Pieper K, Newman M, Van de Werf F, Diaz R, Leimberger J, Califf R. Departures from the protocol during conduct of a clinical trial: a pattern from the data record consistent with a learning curve. BMJ Quality & Safety 2010, 19: 405. PMID: 20702441, PMCID: PMC3258507, DOI: 10.1136/qshc.2008.028605.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionClinical trial researchLearning curvePatient rankMulticentre trialSlow enrollmentAcademic research organizationsPatient deathClinical trialsPatientsTrial conductTrial researchClinical researchPatient safetyPatient ordersTrialsInfarctionValsartanFirst yearDeathRecruitment ratesSimilar patternStart dateSafetySTICH (Surgical Treatment for Ischemic Heart Failure) Trial Enrollment
Jones RH, White H, Velazquez EJ, Shaw LK, Pietrobon R, Panza JA, Bonow RO, Sopko G, O'Connor CM, Rouleau JL. STICH (Surgical Treatment for Ischemic Heart Failure) Trial Enrollment. Journal Of The American College Of Cardiology 2010, 56: 490-498. PMID: 20670760, PMCID: PMC3259709, DOI: 10.1016/j.jacc.2009.11.102.Peer-Reviewed Original ResearchConceptsLow-risk patientsSTICH trialRAR groupBaseline characteristicsCardiac surgeryIschemic cardiomyopathyHigh-risk patientsNumber of patientsCountry of enrollmentSTICH patientsDuke DatabankRandomization groupTrial enrollmentCardiovascular diseaseRisk differencePatientsClinical decisionTrialsSurgeryCardiomyopathyRiskBroader populationEnrollment performanceDeathThirty-secondAtrial fibrillation management strategies and early mortality after myocardial infarction: results from the Valsartan in Acute Myocardial Infarction (VALIANT) Trial
Nilsson KR, Al-Khatib SM, Zhou Y, Pieper K, White HD, Maggioni AP, Kober L, Granger CB, Lewis EF, McMurray JJ, Califf RM, Velazquez EJ. Atrial fibrillation management strategies and early mortality after myocardial infarction: results from the Valsartan in Acute Myocardial Infarction (VALIANT) Trial. Heart 2010, 96: 838. PMID: 20406769, DOI: 10.1136/hrt.2009.180182.Peer-Reviewed Original ResearchConceptsRhythm control strategyAcute Myocardial Infarction trialMyocardial Infarction trialAtrial fibrillationMyocardial infarctionRate control strategyEarly mortalityAnti-arrhythmic drug therapyTreatment of AFPeri-infarct periodIncidence of strokeManagement of patientsRisk of deathLate mortalityPatient populationDrug therapyCox modelPatientsMortalityInfarctionStrokeValsartanTrialsDeathDays
2005
Sudden Death in Patients with Myocardial Infarction and Left Ventricular Dysfunction, Heart Failure, or Both
Solomon SD, Zelenkofske S, McMurray JJ, Finn PV, Velazquez E, Ertl G, Harsanyi A, Rouleau JL, Maggioni A, Kober L, White H, Van de Werf F, Pieper K, Califf RM, Pfeffer MA. Sudden Death in Patients with Myocardial Infarction and Left Ventricular Dysfunction, Heart Failure, or Both. New England Journal Of Medicine 2005, 352: 2581-2588. PMID: 15972864, DOI: 10.1056/nejmoa043938.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionVentricular ejection fractionLeft ventricular dysfunctionMyocardial infarctionCardiac arrestSudden deathVentricular dysfunctionEjection fractionHeart failureLeft ventricular systolic functionHigh-risk patientsVentricular systolic functionSudden unexpected deathAcute myocardial infarctionCardiac causesHospital dischargeSystolic functionPercent confidence intervalsUnexpected deathHigh riskInfarctionPatientsResuscitationDysfunctionDeath
2004
Prognostic usefulness of left ventricular thrombus by echocardiography in dilated cardiomyopathy in predicting stroke, transient ischemic attack, and death
Crawford TC, Smith WT, Velazquez EJ, Taylor SM, Jollis JG, Kisslo J. Prognostic usefulness of left ventricular thrombus by echocardiography in dilated cardiomyopathy in predicting stroke, transient ischemic attack, and death. The American Journal Of Cardiology 2004, 93: 500-503. PMID: 14969636, DOI: 10.1016/j.amjcard.2003.10.056.Peer-Reviewed Original Research