2018
Crowdsourcing consensus: proposal of a novel method for assessing accuracy in echocardiography interpretation
Minter S, Armour A, Tinnemore A, Strub K, Crowley AL, Bloomfield GS, Alexander JH, Douglas PS, Kisslo JA, Velazquez EJ, Samad Z. Crowdsourcing consensus: proposal of a novel method for assessing accuracy in echocardiography interpretation. The International Journal Of Cardiovascular Imaging 2018, 34: 1725-1730. PMID: 30128849, DOI: 10.1007/s10554-018-1389-y.Peer-Reviewed Original ResearchConceptsStress echocardiography studyObstructive coronary diseaseGold standardWall motion abnormalitiesCoronary angiography dataCoronary diseaseStress echocardiographyEchocardiography studyHard outcomesMotion abnormalitiesStress echoSurvey participants' responsesClinical readsEchocardiographic interpretationImperfect gold standardIndependent consensusParticipants' responsesEchocardiographic imagesAngiography dataEchocardiography interpretationValidation surveyParticipantsEchocardiographyConsensusFirst survey
2016
Implementing 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
Nurse Management of Hypertension in Rural Western Kenya: Implementation Research to Optimize Delivery
Vedanthan R, Kamano JH, Horowitz CR, Ascheim D, Velazquez EJ, Kimaiyo S, Fuster V. Nurse Management of Hypertension in Rural Western Kenya: Implementation Research to Optimize Delivery. Annals Of Global Health 2014, 80: 5-12. PMID: 24751560, PMCID: PMC4036099, DOI: 10.1016/j.aogh.2013.12.002.Peer-Reviewed Original ResearchConceptsRural western KenyaNurse managementBlood pressureNoncommunicable disease managementSystolic blood pressurePrimary outcome measureLong-term treatmentWestern KenyaHypertensive patientsHypertensive individualsMiddle-income countriesHypertension managementHypertension treatmentControl rateRisk factorsHypertensionOutcome measuresOptimize deliveryFull-time equivalentsEffectiveness of strategiesImplementation researchNursesDisease managementFeasibility testingRecord-keeping tool
2012
Mechanical dyssynchrony evaluated by tissue Doppler cross-correlation analysis is associated with long-term survival in patients after cardiac resynchronization therapy
Risum N, Williams ES, Khouri MG, Jackson KP, Olsen NT, Jons C, Storm KS, Velazquez EJ, Kisslo J, Bruun NE, Sogaard P. Mechanical dyssynchrony evaluated by tissue Doppler cross-correlation analysis is associated with long-term survival in patients after cardiac resynchronization therapy. European Heart Journal 2012, 34: 48-56. PMID: 22390911, DOI: 10.1093/eurheartj/ehs035.Peer-Reviewed Original ResearchMeSH KeywordsAgedArrhythmias, CardiacCardiac Resynchronization TherapyCardiac Resynchronization Therapy DevicesCross-Sectional StudiesDefibrillators, ImplantableFeasibility StudiesFemaleHumansMaleMiddle AgedRetrospective StudiesStroke VolumeTreatment OutcomeUltrasonography, Doppler, ColorVentricular Dysfunction, LeftConceptsCardiac resynchronization therapyLong-term survivalMechanical dyssynchronyYu indexResynchronization therapyCox proportional hazards regressionLeft bundle branch blockProportional hazards regressionTissue Doppler imagingBundle branch blockPre-implant assessmentActivation delayVentricular assist deviceCardiac transplantationCause mortalityCRT candidatesImproved survivalHazards regressionPoor prognosisSubgroup analysisBranch blockWall delayPoor survivalDyssynchronyDoppler imaging