2014
Call for a standard unit of defect size
Wackers F. Call for a standard unit of defect size. Journal Of Nuclear Cardiology 2014, 21: 682-684. PMID: 24715620, DOI: 10.1007/s12350-014-9874-8.Peer-Reviewed Original ResearchFemaleHumansMaleMyocardial Perfusion ImagingSoftwareTomography, Emission-Computed, Single-PhotonVentricular Function, Left
2008
Utility of Cardiac Biomarkers in Predicting Infarct Size, Left Ventricular Function, and Clinical Outcome After Primary Percutaneous Coronary Intervention for ST-Segment Elevation Myocardial Infarction
Chia S, Senatore F, Raffel O, Lee H, Wackers F, Jang I. Utility of Cardiac Biomarkers in Predicting Infarct Size, Left Ventricular Function, and Clinical Outcome After Primary Percutaneous Coronary Intervention for ST-Segment Elevation Myocardial Infarction. JACC Cardiovascular Interventions 2008, 1: 415-423. PMID: 19463339, DOI: 10.1016/j.jcin.2008.04.010.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngioplasty, Balloon, CoronaryBenzenesulfonatesBiomarkersCardiovascular AgentsCoronary AngiographyCreatine Kinase, MB FormDisease-Free SurvivalFemaleHumansKaplan-Meier EstimateMaleMiddle AgedMyocardial InfarctionMyocardiumPiperazinesPredictive Value of TestsProportional Hazards ModelsProspective StudiesRisk AssessmentStroke VolumeTime FactorsTomography, Emission-Computed, Single-PhotonTreatment OutcomeTroponin ITroponin TUnited StatesVentricular Function, LeftConceptsST-segment elevation myocardial infarctionPrimary percutaneous coronary interventionPrimary PCIElevation myocardial infarctionPercutaneous coronary interventionInfarct sizeClinical outcomesMyocardial infarctionCardiac biomarkersCoronary interventionCreatine kinaseCK-MBLarge ST-segment elevation myocardial infarctionTroponin TIntracellular calcium modulatorsLarger infarct sizeVentricular ejection fractionCardiac biomarker levelsLeft ventricular functionComposite clinical eventsTime-concentration curveEVOLVE trialLower LVEFAdverse eventsEjection fraction
2007
A randomized, double-blind, placebo-controlled study of the safety and efficacy of intravenous MCC-135 as an adjunct to primary percutaneous coronary intervention in patients with acute myocardial infarction: Evaluation of MCC-135 for left ventricular salvage in acute myocardial infarction (EVOLVE)
Jang I, Weissman N, Picard M, Zile M, Pettigrew V, Shen S, Tatsuno J, Hibberd M, Tzivoni D, Wackers F, Investigators T. A randomized, double-blind, placebo-controlled study of the safety and efficacy of intravenous MCC-135 as an adjunct to primary percutaneous coronary intervention in patients with acute myocardial infarction: Evaluation of MCC-135 for left ventricular salvage in acute myocardial infarction (EVOLVE). American Heart Journal 2007, 155: 113.e1-113.e8. PMID: 18082500, DOI: 10.1016/j.ahj.2007.08.020.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngioplasty, Balloon, CoronaryBenzenesulfonatesCardiac CatheterizationCombined Modality TherapyCoronary AngiographyDose-Response Relationship, DrugDouble-Blind MethodDrug Administration ScheduleElectrocardiographyFemaleFollow-Up StudiesHumansInfusions, IntravenousMaleMiddle AgedMyocardial InfarctionPiperazinesProbabilityReference ValuesRisk AssessmentSalvage TherapyStroke VolumeSurvival RateTreatment OutcomeVentricular Function, LeftConceptsPrimary percutaneous coronary interventionLeft ventricular ejection fractionST-elevation myocardial infarctionPrimary PCIMCC-135Percutaneous coronary interventionAcute myocardial infarctionInfarct sizeMyocardial infarctionDay 5Coronary interventionClinical outcomesCalcium overloadPreservation of LVEFAcute ST-elevation myocardial infarctionEnd pointTarget populationComposite clinical outcomeLeft Ventricular SalvagePlacebo-controlled studyPrimary end pointSecondary end pointsLow-dose groupVentricular ejection fractionHigh-dose group
2005
A Randomized, Double-Blind, Placebo-Controlled Study of the Safety and Efficacy of Intravenous MCC-135 as an Adjunct to Primary Percutaneous Coronary Intervention in Patients with Acute Myocardial Infarction: Rationale and Design of the Evaluation of MCC-135 for Left Ventricular Salvage in Acute MI (EVOLVE) Study
Jang I, Pettigrew V, Picard M, Kowey P, Demmel V, Zile M, Tatsuno J, Wackers F, Hibberd M. A Randomized, Double-Blind, Placebo-Controlled Study of the Safety and Efficacy of Intravenous MCC-135 as an Adjunct to Primary Percutaneous Coronary Intervention in Patients with Acute Myocardial Infarction: Rationale and Design of the Evaluation of MCC-135 for Left Ventricular Salvage in Acute MI (EVOLVE) Study. Journal Of Thrombosis And Thrombolysis 2005, 20: 147-153. PMID: 16261287, DOI: 10.1007/s11239-005-3267-4.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAdolescentAdultAngioplasty, Balloon, CoronaryBenzenesulfonatesCalciumDouble-Blind MethodEchocardiographyHumansMaleMiddle AgedMuscle CellsMyocardial InfarctionMyocardial Reperfusion InjuryNecrosisPiperazinesRadiographyTomography, Emission-Computed, Single-PhotonVentricular Function, LeftConceptsPrimary percutaneous coronary interventionST-elevation myocardial infarctionLeft Ventricular SalvageElevation myocardial infarctionPlacebo-controlled clinical trialMCC-135Percutaneous coronary interventionIntracellular calcium overloadMyocardial infarctionPost-myocardial infarctionVentricular functionCalcium overloadEVOLVE studyCoronary interventionAdjunct therapyInfarct sizeClinical trialsPrimary PCIAcute ST-elevation myocardial infarctionMI studiesVentricular ejection fractionSerum cardiac markersAcute myocardial infarctionEarly clinical studiesMyocardial infarction size
2004
Cardiac Abnormalities in Diabetic Patients With Neuropathy
Johnson BF, Nesto RW, Pfeifer MA, Slater WR, Vinik AI, Chyun DA, Law G, Wackers FJ, Young LH. Cardiac Abnormalities in Diabetic Patients With Neuropathy. Diabetes Care 2004, 27: 448-454. PMID: 14747227, DOI: 10.2337/diacare.27.2.448.Peer-Reviewed Original ResearchMeSH KeywordsAldehyde ReductaseBenzothiazolesCardiac OutputDiabetes Mellitus, Type 1Diabetes Mellitus, Type 2Diabetic NeuropathiesDouble-Blind MethodEnzyme InhibitorsExercise TestFemaleHeartHeart Conduction SystemHeart RateHumansMaleMiddle AgedPhthalazinesPlacebosStroke VolumeThiazolesVentricular Function, LeftConceptsLeft ventricular ejection fractionDiabetic patientsARI treatmentCardiac outputStroke volumeCardiac abnormalitiesAldose reductase inhibitorExercise left ventricular ejection fractionAbnormal heart rate variabilityDiastolic peak filling rateAsymptomatic cardiac abnormalitiesGated radionuclide ventriculographyMaximal bicycle exercisePlacebo-treated subjectsDiastolic filling rateVentricular ejection fractionCoronary artery diseaseValvular heart diseasePeak filling rateExercise cardiac outputLV stroke volumeHeart rate variabilityBlinded treatmentInsulin useArtery disease
2001
Cardiac responses to insulin-induced hypoglycemia in nondiabetic and intensively treated type 1 diabetic patients
Russell R, Chyun D, Song S, Sherwin R, Tamborlane W, Lee F, Pfeifer M, Rife F, Wackers F, Young L. Cardiac responses to insulin-induced hypoglycemia in nondiabetic and intensively treated type 1 diabetic patients. AJP Endocrinology And Metabolism 2001, 281: e1029-e1036. PMID: 11595660, DOI: 10.1152/ajpendo.2001.281.5.e1029.Peer-Reviewed Original ResearchMeSH KeywordsAdultCardiac OutputCatecholaminesChemical PrecipitationDiabetes Mellitus, Type 1DiastoleEpinephrineFatty Acids, NonesterifiedFemaleGlucagonGlucose Clamp TechniqueHeartHeart RateHumansHydrocortisoneHypoglycemiaInsulinLactic AcidMaleNorepinephrinePolyethylene GlycolsStroke VolumeSystoleVentricular Function, LeftConceptsType 1 diabetic patientsInsulin-induced hypoglycemiaNondiabetic groupType 1 diabetesDiabetic subjectsEuglycemic hyperinsulinemiaDiabetic patientsNondiabetic subjectsCardiac responseLeft ventricular systolicHealthy nondiabetic subjectsEquilibrium radionuclide angiographyDiabetic groupDiastolic functionVentricular systolicCardiovascular consequencesVentricular functionBlunted increaseCardiac outputGlucagon concentrationsPlasma catecholaminesRadionuclide angiographyInsulin infusionEuglycemic conditionsHypoglycemiaDobutamine-induced augmentation of left ventricular ejection fraction predicts survival of heart failure patients with severe non-ischaemic cardiomyopathy
Ramahi T, Longo M, Cadariu A, Rohlfs K, Slade M, Carolan S, Vallejo E, Wackers F. Dobutamine-induced augmentation of left ventricular ejection fraction predicts survival of heart failure patients with severe non-ischaemic cardiomyopathy. European Heart Journal 2001, 22: 849-856. PMID: 11350094, DOI: 10.1053/euhj.2001.2654.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionVentricular ejection fractionTransplant-free survivalEjection fractionHeart failureVentricular end-diastolic volume indexOverall transplant-free survivalPeak exercise oxygen consumptionSevere non-ischaemic cardiomyopathyEnd-diastolic volume indexFunctional classStrongest prognostic variableChronic heart failureHeart failure patientsPrognosis of patientsNon-ischemic cardiomyopathyExercise oxygen consumptionEquilibrium radionuclide ventriculographyVentriculographic variablesExercise capacityFailure patientsPrognostic valueRadionuclide ventriculographyIntravenous infusionDeltaLVEFLeft ventricular inotropic reserve and right ventricular function predict increase of left ventricular ejection fraction after beta-blocker therapy in nonischemic cardiomyopathy
Ramahi T, Longo M, Cadariu A, Rohlfs K, Carolan S, Engle K, Samady H, Wackers F. Left ventricular inotropic reserve and right ventricular function predict increase of left ventricular ejection fraction after beta-blocker therapy in nonischemic cardiomyopathy. Journal Of The American College Of Cardiology 2001, 37: 818-824. PMID: 11693757, DOI: 10.1016/s0735-1097(00)01162-1.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAdultAgedCardiomyopathiesFemaleHumansMaleMiddle AgedRadionuclide VentriculographyStroke VolumeVentricular Function, LeftVentricular Function, RightConceptsLeft ventricular ejection fractionRight ventricular ejection fractionBeta-blocker therapyVentricular ejection fractionVentricular inotropic reserveNonischemic cardiomyopathyEjection fractionInotropic reserveDobutamine infusionLong-term beta-blocker therapyNormal right ventricular ejection fractionImprovement of LVEFBeta-blocker doseRight ventricular functionSystolic blood pressureIntravenous dobutamine infusionEquilibrium radionuclide ventriculographyVentriculographic variablesLVEF increaseBlood pressureVentricular functionRadionuclide ventriculographyUnderwent assessmentIntravenous infusionBaseline variables
2000
Effect of left ventricular volume on results of coronary artery bypass grafting
Kim R, Ugurlu B, Tereb D, Wackers F, Tellides G, Elefteriades J. Effect of left ventricular volume on results of coronary artery bypass grafting. The American Journal Of Cardiology 2000, 86: 1261-1264. PMID: 11090805, DOI: 10.1016/s0002-9149(00)01216-9.Peer-Reviewed Original ResearchConceptsCoronary artery bypassArtery bypassSignificant left ventricular dilationLeft ventricular dilationLV chamber sizeLV ejection fractionMedium-term survivalSurgical revascularizationAngina symptomsEjection fractionIschemic cardiomyopathyLV dilationVentricular dilationVentricular sizeVentricular volumePatientsSignificant reductionBypassChamber sizeDilationRevascularizationCardiomyopathySymptomsAssociation of patients’ perception of health status and exercise electrocardiogram, myocardial perfusion imaging, and ventricular function measures
Mattera J, de Leon C, Wackers F, Williams C, Wang Y, Krumholz H. Association of patients’ perception of health status and exercise electrocardiogram, myocardial perfusion imaging, and ventricular function measures. American Heart Journal 2000, 140: 409-418. PMID: 10966538, DOI: 10.1067/mhj.2000.108518.Peer-Reviewed Original ResearchConceptsGeneral health perceptionHealth-related qualityPhysical functioningHealth perceptionMyocardial perfusion imagingHealth statusExercise testingPerfusion imagingMedical Outcomes Study Short Form SurveyPatients' health-related qualityShort Form SurveyAssociation of patientGeneral health statusImportant outcome measureSuccess of treatmentConsecutive patientsSF-36Metabolic equivalentsNoninvasive testingExercise testPatient outcomesIndividual patientsOutcome measuresForm SurveyPatient's viewpointAssessment of left ventricular ejection fraction with quantitative gated SPECT: Accuracy and correlation with first-pass radionuclide angiography
Vallejo E, Dione D, Sinusas A, Wackers F. Assessment of left ventricular ejection fraction with quantitative gated SPECT: Accuracy and correlation with first-pass radionuclide angiography. Journal Of Nuclear Cardiology 2000, 7: 461-470. PMID: 11083195, DOI: 10.1067/mnc.2000.107820.Peer-Reviewed Original ResearchConceptsVentricular ejection fractionEjection fractionPatient studiesLeft ventricular ejection fractionExtracardiac activityFirst-pass radionuclide angiographyLarger end-diastolic volumeStress-induced ischemiaEnd-diastolic volumeQuantitative gated SPECTSingle photon emissionAbnormal LVEFNormal LVEFRadionuclide angiographyDiastolic volumeLVEFPerfusion defectsLVEF valuesSame patientHeart sizeLeft ventricleGated SPECTSPECT studiesQGSMean rest
1999
Quantification of regional myocardial wall thickening on electrocardiogram-gated SPECT imaging
Shen M, Liu Y, Sinusas A, Fetterman R, Bruni W, Drozhinin O, Zaret B, Wackers F. Quantification of regional myocardial wall thickening on electrocardiogram-gated SPECT imaging. Journal Of Nuclear Cardiology 1999, 6: 583-595. PMID: 10608585, DOI: 10.1016/s1071-3581(99)90095-8.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsComputer SimulationDiastoleElectrocardiographyHeart VentriclesHumansImage Processing, Computer-AssistedModels, CardiovascularMyocardial InfarctionObserver VariationPhantoms, ImagingPilot ProjectsRadiopharmaceuticalsReproducibility of ResultsSoftwareSystoleTechnetium Tc 99m SestamibiTomography, Emission-Computed, Single-PhotonVentricular Function, LeftVentricular RemodelingVentriculography, First-PassConceptsPrior myocardial infarctionRegional wall thickeningNormal subjectsMyocardial infarctionWall thickeningNormal wall thickeningPilot studyRegional left ventricular functionLeft ventricular functionAbnormal wall thickeningPercent count increaseECG-gated SPECT imagesSingle photon emissionSPECT imagesCardiac cycleLeft ventricular wallReproducibility of interpretationRegional left ventricular wallPrior infarctionCoronary diseaseVentricular functionValidation studyInfarct areaNormal rangeAnatomic areasFailure to Improve Left Ventricular Function After Coronary Revascularization for Ischemic Cardiomyopathy Is Not Associated With Worse Outcome
Samady H, Elefteriades J, Abbott B, Mattera J, McPherson C, Wackers F. Failure to Improve Left Ventricular Function After Coronary Revascularization for Ischemic Cardiomyopathy Is Not Associated With Worse Outcome. Circulation 1999, 100: 1298-1304. PMID: 10491374, DOI: 10.1161/01.cir.100.12.1298.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCoronary Artery BypassFemaleFollow-Up StudiesHumansMaleMiddle AgedMyocardial IschemiaPostoperative PeriodTreatment OutcomeVentricular Function, LeftConceptsVentricular functionIschemic cardiomyopathyGroup AHeart failure scoreLeft ventricular functionIschemic LV dysfunctionPoor patient outcomesB. Group ALack of improvementBaseline LVEFEffective revascularizationImproved LVEFCoronary revascularizationLV dysfunctionConsecutive patientsIntraoperative variablesPostoperative improvementCardiac deathLV functionPoor outcomeViable myocardiumLVEF assessmentIschemic myocardiumPatient outcomesWorse outcomesEjection fraction by radionuclide ventriculography and contrast left ventriculogram A tale of two techniques
Ureña P, Lamas G, Mitchell G, Flaker G, Smith S, Wackers F, McEwan P, Pfeffer M, investigators F. Ejection fraction by radionuclide ventriculography and contrast left ventriculogram A tale of two techniques. Journal Of The American College Of Cardiology 1999, 33: 180-185. PMID: 9935027, DOI: 10.1016/s0735-1097(98)00533-6.Peer-Reviewed Original ResearchConceptsRadionuclide ventriculographyEjection fractionCardiovascular eventsEvent ratesMyocardial infarctionPostinfarct patientsIndependent predictorsRisk stratificationAssess prognosisClinical eventsVentricular performanceClinical impressionPatientsMultivariate analysisPrognosisVentriculographyTercileEF measurementsBest predictorPredictorsComparative abilityCatheterizationInfarctionVentriculograms
1998
Effects of Mental Stress on Left Ventricular and Peripheral Vascular Performance in Patients With Coronary Artery Disease
Jain D, Shaker M, Burg M, Wackers F, Soufer R, Zaret B. Effects of Mental Stress on Left Ventricular and Peripheral Vascular Performance in Patients With Coronary Artery Disease. Journal Of The American College Of Cardiology 1998, 31: 1314-1322. PMID: 9581726, DOI: 10.1016/s0735-1097(98)00092-8.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngiocardiographyCoronary DiseaseFemaleHemodynamicsHumansMaleMiddle AgedRadionuclide AngiographyStress, PsychologicalStroke VolumeVascular ResistanceVentricular Function, LeftConceptsLeft ventricular ejection fractionPeripheral vascular resistanceCoronary artery diseaseRate-pressure productStress-induced fallSystolic blood pressureArtery diseaseBlood pressureCardiac outputHeart rateMental stressGroup IHemodynamic variablesAnger recallGroup IIMental stressorsEnd-systolic ventricular elastanceMental stress-induced changesSemisupine bicycle exerciseGroup II patientsComparable increaseDiastolic blood pressureVentricular ejection fractionExercise-induced changesVascular resistance
1997
Effect of left ventricular function on the assessment of myocardial viability by technectium-99m sestamibi and correlation with positron emission tomography in patients with healed myocardial infarcts or stable angina pectoris, or both
Arrighi J, Ng C, Dey H, Wackers F, Soufer R. Effect of left ventricular function on the assessment of myocardial viability by technectium-99m sestamibi and correlation with positron emission tomography in patients with healed myocardial infarcts or stable angina pectoris, or both. The American Journal Of Cardiology 1997, 80: 1007-1013. PMID: 9352969, DOI: 10.1016/s0002-9149(97)00594-8.Peer-Reviewed Original ResearchConceptsCoronary artery diseasePositron emission tomographyLV dysfunctionArtery diseaseGroup 2Myocardial viabilityGroup 1Ejection fractionModerate coronary artery diseaseEmission tomographyModerate LV dysfunctionSevere LV dysfunctionStable angina pectorisLV ejection fractionGlobal LV dysfunctionAccuracy of technetiumSingle photon emissionSemiquantitative SPECTVentricular dysfunctionViability detectionAngina pectorisVentricular functionReduced perfusionSestamibi SPECTMyocardial infarctRelationship of scar and ischemia to the results of programmed electrophysiological stimulation in patients with coronary artery disease
Gradel C, Jain D, Batsford W, Wackers F, Zaret B. Relationship of scar and ischemia to the results of programmed electrophysiological stimulation in patients with coronary artery disease. Journal Of Nuclear Cardiology 1997, 4: 379-386. PMID: 9362014, DOI: 10.1016/s1071-3581(97)90029-5.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseMyocardial perfusion imagingSustained ventricular tachycardiaPerfusion defect sizeVentricular tachycardiaElectrophysiological studiesArtery diseaseIndependent predictorsMultivariate analysisChronic coronary artery diseaseLeft ventricular ejection fractionSustained monomorphic ventricular tachycardiaGlobal left ventricular functionVentricular ejection fractionLeft ventricular functionPrevious myocardial infarctionMonomorphic ventricular tachycardiaBest independent predictorSize of ischemiaAdditional ischemiaArrhythmia historyInducible patientsNoninducible patientsSize of scarClinical predictors
1996
Distortion of the Terminal Portion of the QRS on the Admission Electrocardiogram in Acute Myocardial Infarction and Correlation With Infarct Size and Long-Term Prognosis (Thrombolysis In Myocardial Infarction 4 Trial)**This study was supported in part by a grant from SmithKline Beecham, Philadelphia, Pennsylvania.
Birnbaum Y, Kloner R, Sclarovsky S, Cannon C, McCabe C, Davis V, Zaret B, Wackers F, Braunwald E. Distortion of the Terminal Portion of the QRS on the Admission Electrocardiogram in Acute Myocardial Infarction and Correlation With Infarct Size and Long-Term Prognosis (Thrombolysis In Myocardial Infarction 4 Trial)**This study was supported in part by a grant from SmithKline Beecham, Philadelphia, Pennsylvania. The American Journal Of Cardiology 1996, 78: 396-403. PMID: 8752182, DOI: 10.1016/s0002-9149(96)00326-8.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAngina PectorisCardiac Output, LowCoronary AngiographyCreatine KinaseDouble-Blind MethodElectrocardiographyFemaleFollow-Up StudiesHumansMaleMiddle AgedMyocardial InfarctionPatient AdmissionPrognosisRecurrenceRetrospective StudiesStroke VolumeSurvival RateTechnetium Tc 99m SestamibiThrombolytic TherapyTreatment OutcomeVentricular Function, LeftConceptsAcute myocardial infarctionLong-term prognosisAnterior acute myocardial infarctionCreatine kinase releaseInfarct sizeMyocardial infarctionMyocardial infarction (TIMI) 4 trialAnterior AMI patientsOne-year mortalityCoronary angiographic findingsLarger infarct sizeVentricular ejection fractionAdmission electrocardiogramHospital mortalityPrevious anginaSestamibi defectsAngiographic findingsBaseline characteristicsEjection fractionHeart failureAMI patientsClinical outcomesQRS distortionPatientsEnd pointComparison of Nifedipine GITS and Hydrochlorothiazide in the Management of Elderly Patients with Stage I–III Diastolic Hypertension*
Dey H, Soufer R, Hoffer P, Wackers F, Black H. Comparison of Nifedipine GITS and Hydrochlorothiazide in the Management of Elderly Patients with Stage I–III Diastolic Hypertension*. American Journal Of Hypertension 1996, 9: 598-606. PMID: 8783785, DOI: 10.1016/0895-7061(96)00168-9.Peer-Reviewed Original ResearchConceptsNifedipine gastrointestinal therapeutic systemGastrointestinal therapeutic systemDiastolic blood pressureBlood pressureDiastolic hypertensionStage IVentricular massCardiovascular functionTreatment differencesGoal diastolic blood pressureSignificant blood pressure reductionWeek placebo washout phasePlacebo washout phaseWeek maintenance phaseBlood pressure reductionGoal blood pressureDiastolic filling rateRenal blood flowGlomerular filtration rateLeft ventricular massBlood urea nitrogenShort-term therapyAdverse side effectsSignificant adverse effectsDiuretic therapyComparison and reproducibility of visual echocardiographic and quantitative radionyclide left ventricular ejection fractions
van Royen N, Jaffe C, Krumholz H, Johnson K, Lynch P, Natale D, Atkinson P, Demon P, Wackers F. Comparison and reproducibility of visual echocardiographic and quantitative radionyclide left ventricular ejection fractions. The American Journal Of Cardiology 1996, 77: 843-850. PMID: 8623737, DOI: 10.1016/s0002-9149(97)89179-5.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overEchocardiographyFemaleGated Blood-Pool ImagingHumansMaleMiddle AgedReproducibility of ResultsRetrospective StudiesStroke VolumeVentricular Function, LeftConceptsEquilibrium radionuclide angiographyVentricular ejection fractionEjection fractionRadionuclide angiographyEchocardiographic LVEFEquilibrium radionuclideRadionuclide LVEFClinical relevanceLeft ventricular ejection fractionCorrelation of LVEFDetermination of LVEFPatient management decisionsPotential clinical relevanceRelevant differencesInter-observer reproducibilityStable patientsLV functionLimits of agreementLVEFIndividual patientsRepeat assessmentEchocardiographyAngiographyBlinded analysisRepeat analysis