1996
Prognostic value of noninvasive testing one year after orthotopic cardiac transplantation
Verhoeven P, Lee F, Ramahi T, Franco K, de Leon C, Amatruda J, Gorham N, Mattera J, Wackers F. Prognostic value of noninvasive testing one year after orthotopic cardiac transplantation. Journal Of The American College Of Cardiology 1996, 28: 183-189. PMID: 8752812, DOI: 10.1016/0735-1097(96)00094-0.Peer-Reviewed Original ResearchConceptsCoronary artery vasculopathyOrthotopic cardiac transplantationCardiac transplantationEquilibrium radionuclide angiographyPrognostic valueRadionuclide angiographyClinical variablesNoninvasive testingHuman leukocyte antigen mismatchesStress thallium-201 imagingThallium-201 myocardial perfusion imagingConsecutive transplant recipientsRoutine noninvasive testingStress myocardial imagingCold ischemic timeStress myocardial perfusionThallium-201 imagingTwo-dimensional echocardiographyNoninvasive diagnostic testingMyocardial perfusion imagingOnly significant predictorAntigen mismatchesLate deathsTransplant recipientsIschemic time
1993
Factors affecting uniformity in interpretation of planar thallium-201 imaging in a Multicenter trial
Wackers F, Bodenheimer M, Fleiss J, Brown M, Investigators T. Factors affecting uniformity in interpretation of planar thallium-201 imaging in a Multicenter trial. Journal Of The American College Of Cardiology 1993, 21: 1064-1074. PMID: 8459059, DOI: 10.1016/0735-1097(93)90226-q.Peer-Reviewed Original ResearchConceptsClinical centersThallium-201 imagesCore laboratoryClinical investigatorsSilent myocardial ischemiaPlanar thallium-201 imagesThallium-201 imagingLack of standardizationCircumferential profile analysisPlanar thallium-201 imagingReproducibility of interpretationMulticenter trialMulticenter studyMyocardial ischemiaMyocardial perfusion imagesSuboptimal reproducibilityInterobserver agreementKappa statisticsPerfusion imagesPoor interlaboratory agreementComputer quantificationObjective criteriaInterlaboratory agreementPoor agreementEffects of standardization
1989
Serial quantitative planar technetium-99m isonitrile imaging in acute myocardial infarction: Efficacy for noninvasive assessment of thrombolytic therapy
Wackers F, Gibbons R, Verani M, Kayden D, Pellikka P, Behrenbeck T, Mahmarian J, Zaret B. Serial quantitative planar technetium-99m isonitrile imaging in acute myocardial infarction: Efficacy for noninvasive assessment of thrombolytic therapy. Journal Of The American College Of Cardiology 1989, 14: 861-873. PMID: 2507612, DOI: 10.1016/0735-1097(89)90456-7.Peer-Reviewed Original ResearchConceptsRecombinant tissue-type plasminogen activatorAcute myocardial infarctionPatent infarct-related arteryInfarct-related arteryThallium-201 imagingThrombolytic therapyMyocardial infarctionPlanar technetiumMyocardial perfusionExercise thallium-201 imagingFirst acute myocardial infarctionInfarct-related artery patencyInitial risk areaPersistent coronary occlusionSuccess of reperfusionMyocardial blood flowNew myocardial perfusionTissue-type plasminogen activatorArtery patencyChest painCoronary occlusionRepeat imagingBlood flowInfarctionThallium-201
1987
Usefulness of residual ischemic myocardium within prior infarct zone for identifying patients at high risk late after acute myocardial infarction
Brown K, Weiss R, Clements J, Wackers F. Usefulness of residual ischemic myocardium within prior infarct zone for identifying patients at high risk late after acute myocardial infarction. The American Journal Of Cardiology 1987, 60: 15-19. PMID: 3604929, DOI: 10.1016/0002-9149(87)90975-1.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionTI-201 redistributionCardiac eventsInfarct zoneMyocardial infarctionStepwise multivariate logistic regression analysisPrior acute myocardial infarctionAngiographic coronary artery diseaseMultivariate logistic regression analysisIschemic viable myocardiumResidual ischemic myocardiumTotal cardiac eventsCoronary artery diseaseThallium-201 imagingSignificant predictorsLogistic regression analysisOnly significant predictorCoronary revascularizationChest painArtery diseaseCardiac catheterizationConsecutive patientsPrognostic implicationsViable myocardiumIschemic myocardium
1981
Exercise left ventricular performance in patients with chest pain, ischemic-appearing exercise electrocardiograms, and angiographically normal coronary arteries.
Berger HJ, Sands MJ, Davies RA, Wackers FJ, Alexander J, Lachman AS, Williams BW, Zaret BL. Exercise left ventricular performance in patients with chest pain, ischemic-appearing exercise electrocardiograms, and angiographically normal coronary arteries. Annals Of Internal Medicine 1981, 94: 186-91. PMID: 7469209, DOI: 10.7326/0003-4819-94-2-186.Peer-Reviewed Original ResearchConceptsNormal coronary arteriesLeft ventricular performanceChest painVentricular performanceCoronary arteryExercise electrocardiogramAbnormal ejection fraction responseMaximal upright bicycle exerciseCoronary arterial spasmUpright bicycle exerciseEjection fraction responseFirst-pass radionuclide angiocardiographyThallium-201 imagingErgonovine testingVentricular dysfunctionArterial spasmBicycle exerciseErgonovine provocationAdditional patientsTreadmill exercisePerfusion defectsRadionuclide angiocardiographyRegional dysfunctionPatientsFraction response
1980
Radionuclide assessment of right and left ventricular exercise reserve after total correction of tetralogy of Fallot
Reduto L, Berger H, Johnstone D, Hellenbrand W, Wackers F, Whittemore R, Cohen L, Gottschalk A, Zaret B, Pytlik L. Radionuclide assessment of right and left ventricular exercise reserve after total correction of tetralogy of Fallot. The American Journal Of Cardiology 1980, 45: 1013-1018. PMID: 7369132, DOI: 10.1016/0002-9149(80)90170-8.Peer-Reviewed Original ResearchConceptsVentricular ejection fraction responseRight ventricular ejection fractionRight ventricular performanceVentricular ejection fractionEjection fraction responseRight ventricular hypertrophyEjection fractionPostoperative patientsVentricular hypertrophyVentricular performanceNormal right ventricular ejection fractionFraction responseThallium-201 myocardial imagingAsymptomatic clinical statusRight ventricular uptakeTotal surgical correctionThallium-201 imagingExercise reserveVentricular uptakeConditions of restClinical statusSurgical correctionRadionuclide angiocardiographyRadionuclide assessmentPatients