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 ageClinical and Echocardiographic Predictors of Outcomes in Patients With Pulmonary Hypertension
Siddiqui I, Rajagopal S, Brucker A, Chiswell K, Christopher B, Alenezi F, Mandawat A, Rivera D, Arges K, Tapson V, Kisslo J, Velazquez E, Douglas PS, Samad Z. Clinical and Echocardiographic Predictors of Outcomes in Patients With Pulmonary Hypertension. The American Journal Of Cardiology 2018, 122: 872-878. PMID: 30093068, PMCID: PMC6280670, DOI: 10.1016/j.amjcard.2018.05.019.Peer-Reviewed Original ResearchConceptsPrecapillary pulmonary hypertensionRV global longitudinal strainPulmonary hypertensionEchocardiographic parametersHard outcomesPulmonary arterial hypertension medicationsClass III symptomsREVEAL risk scoreRight heart functionCohort of patientsCumulative incidence rateCurrent clinical guidelinesGlobal longitudinal strainEchocardiographic predictorsHypertension medicationsNT-proBNPTransthoracic echocardiographyWalk distanceUnivariable analysisMean ageClinical guidelinesIncidence rateMultivariable modelSurrogate outcomesRisk score
2017
Clinical characteristics and 12-month outcomes of patients with valvular and non-valvular atrial fibrillation in Kenya
Temu TM, Lane KA, Shen C, Ng'ang'a L, Akwanalo CO, Chen PS, Emonyi W, Heckbert SR, Koech MM, Manji I, Vatta M, Velazquez EJ, Wessel J, Kimaiyo S, Inui TS, Bloomfield GS. Clinical characteristics and 12-month outcomes of patients with valvular and non-valvular atrial fibrillation in Kenya. PLOS ONE 2017, 12: e0185204. PMID: 28934312, PMCID: PMC5608343, DOI: 10.1371/journal.pone.0185204.Peer-Reviewed Original ResearchConceptsValvular AFValvular heart diseaseAtrial fibrillationNVAF patientsAF patientsHeart diseaseNon-valvular atrial fibrillationGlobal cardiovascular disease burdenValvular atrial fibrillationRates of hypertensionCardiovascular disease burdenLong-term outcomesProspective data collectionAnticoagulation therapyClinical characteristicsCohort studyClinical profileHeart failureOverall mortalityClinical featuresComorbid conditionsFatal outcomeMean ageFemale sexDisease burdenUsefulness of Myocardial Annular Velocity Change During Mental Stress to Predict Cardiovascular Outcome in Patients With Coronary Artery Disease (From the Responses of Mental Stress-Induced Myocardial Ischemia to Escitalopram Treatment Trial)
Alenezi F, Brummett BH, Boyle SH, Samad Z, Babyak MA, Alzaeim N, Wilson J, Romano MMD, Sun JL, Ersboll M, O'Connor CM, Velazquez EJ, Jiang W. Usefulness of Myocardial Annular Velocity Change During Mental Stress to Predict Cardiovascular Outcome in Patients With Coronary Artery Disease (From the Responses of Mental Stress-Induced Myocardial Ischemia to Escitalopram Treatment Trial). The American Journal Of Cardiology 2017, 120: 1495-1500. PMID: 28917493, DOI: 10.1016/j.amjcard.2017.07.039.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseStable coronary artery diseaseAdverse cardiovascular outcomesCardiovascular outcomesArtery diseaseNew York Heart Association functional class IMental stress-induced myocardial ischemiaStress-induced myocardial ischemiaNonfatal cardiovascular eventsFunctional class IMental stress testingCox regression modelMS-induced changesCardiovascular eventsCause mortalityUnplanned hospitalizationPrognostic factorsMean ageMyocardial ischemiaSystolic velocityAnnular velocityPatientsMental stressClass IMACE
2015
Genetic mutations in African patients with atrial fibrillation: Rationale and design of the Study of Genetics of Atrial Fibrillation in an African Population (SIGNAL)
Bloomfield GS, Temu TM, Akwanalo CO, Chen PS, Emonyi W, Heckbert SR, Koech MM, Manji I, Shen C, Vatta M, Velazquez EJ, Wessel J, Kimaiyo S, Inui TS. Genetic mutations in African patients with atrial fibrillation: Rationale and design of the Study of Genetics of Atrial Fibrillation in an African Population (SIGNAL). American Heart Journal 2015, 170: 455-464.e5. PMID: 26385028, PMCID: PMC4575772, DOI: 10.1016/j.ahj.2015.06.008.Peer-Reviewed Original ResearchConceptsValvular atrial fibrillationNonvalvular atrial fibrillationValvular heart diseaseAtrial fibrillationHeart diseaseCurrent tobacco smokingHistory of strokeCase-control studyGroup morbidityGenetic associationTobacco smokingSaharan AfricaMean ageAfrican patientsCardiovascular diseaseClinical phenotypingFibrillationPrimary analysisPatientsControl populationGenetic testingMorbidityDiseaseGenetic mutationsMost participantsOutcomes of Anatomical versus Functional Testing for Coronary Artery Disease
Douglas PS, Hoffmann U, Patel MR, Mark DB, Al-Khalidi HR, Cavanaugh B, Cole J, Dolor RJ, Fordyce CB, Huang M, Khan MA, Kosinski AS, Krucoff MW, Malhotra V, Picard MH, Udelson JE, Velazquez EJ, Yow E, Cooper LS, Lee KL. Outcomes of Anatomical versus Functional Testing for Coronary Artery Disease. New England Journal Of Medicine 2015, 372: 1291-1300. PMID: 25773919, PMCID: PMC4473773, DOI: 10.1056/nejmoa1415516.Peer-Reviewed Original ResearchConceptsObstructive coronary artery diseaseCoronary artery diseaseCTA groupSymptomatic patientsArtery diseaseComposite primary end pointPrimary end-point eventEnd pointRadiation exposureInvasive cardiac catheterizationMajor procedural complicationsPrimary end pointSecondary end pointsEnd-point eventsCumulative radiation exposureMedian followChest painUnstable anginaCardiac catheterizationMore patientsProcedural complicationsClinical outcomesRandomized trialsAnatomical testingMean age
2008
Improvements in Signs and Symptoms During Hospitalization for Acute Heart Failure Follow Different Patterns and Depend on the Measurement Scales Used: An International, Prospective Registry to Evaluate the Evolution of Measures of Disease Severity in Acute Heart Failure (MEASURE-AHF)
Allen LA, Metra M, Milo-Cotter O, Filippatos G, Reisin LH, Bensimhon DR, Gronda EG, Colombo P, Felker GM, Dei L, Kremastinos DT, O'connor CM, Cotter G, Davison BA, Dittrich HC, Velazquez EJ. Improvements in Signs and Symptoms During Hospitalization for Acute Heart Failure Follow Different Patterns and Depend on the Measurement Scales Used: An International, Prospective Registry to Evaluate the Evolution of Measures of Disease Severity in Acute Heart Failure (MEASURE-AHF). Journal Of Cardiac Failure 2008, 14: 777-784. PMID: 18995183, PMCID: PMC3961584, DOI: 10.1016/j.cardfail.2008.07.188.Peer-Reviewed Original ResearchConceptsAcute heart failureHeart failurePatient-reported dyspneaProspective international cohortSymptoms of dyspneaPatient-reported symptomsVisual analog scaleMultiple clinical measuresAHF episodeAHF therapiesProspective registryEjection fractionPhysician assessmentAnalog scaleMean ageVAS measuresInternational cohortClinical measuresDyspneaPhysical signsDischarge decisionsDisease severitySymptomsDifferent patternsHospitalization