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
2003
Comparison of 16-frame and 8-frame gated SPET imaging for determination of left ventricular volumes and ejection fraction
Navare SM, Wackers FJ, Liu YH. Comparison of 16-frame and 8-frame gated SPET imaging for determination of left ventricular volumes and ejection fraction. European Journal Of Nuclear Medicine And Molecular Imaging 2003, 30: 1330-1337. PMID: 12838373, DOI: 10.1007/s00259-003-1231-0.Peer-Reviewed Original ResearchConceptsSingle photon emission tomographyEnd-diastolic volumeEnd-systolic volumePerfusion defectsEjection fractionMyocardial perfusionSPET imagesLV volumesLeft ventricular end-diastolic volumeVentricular end-diastolic volumeSmaller end-systolic volumeLarger end-diastolic volumeSignificant perfusion defectsMyocardial perfusion defectsRadiotracer doseHigher LVEFVentricular functionLow doseVentricular volumeEmission tomographyLV parametersDoseLVEFECG gatingPatients
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 conditionsHypoglycemiaLeft 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 ResearchConceptsLeft 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
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 ResearchConceptsVentricular 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 outcomes
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 infarct
1994
Effects of altered left ventricular geometry on quantitative technetium 99m sestamibi defect size in humans: Perfusion imaging during coronary angioplasty
Haronian H, Sinusas A, Remetz M, Brennan J, Cabin H, Zaret B, Wackers F. Effects of altered left ventricular geometry on quantitative technetium 99m sestamibi defect size in humans: Perfusion imaging during coronary angioplasty. Journal Of Nuclear Cardiology 1994, 1: 150-158. PMID: 9420682, DOI: 10.1007/bf02984087.Peer-Reviewed Original ResearchConceptsPercutaneous transluminal coronary angioplastyLeft ventricular geometryAltered left ventricular geometryCoronary angioplastyRegional wall motionVentricular geometryEnd-diastolic imagesMyocardial perfusionExercise-induced myocardial ischemiaAbnormal regional wall motionMyocardial risk areaTransluminal coronary angioplastyQuantitative defectsExperimental animal modelsPlanar myocardial perfusionMyocardial perfusion imagingQuantitative technetiumResultsNine patientsVentricular functionCoronary arteryMyocardial infarctionVessel occlusionMyocardial ischemiaPerfusion defectsWall motionRadionuclide Imaging Techniques in the Thrombolytic Era
Jain D, Wackers F, Zaret B. Radionuclide Imaging Techniques in the Thrombolytic Era. Developments In Cardiovascular Medicine 1994, 160: 195-217. DOI: 10.1007/978-1-4615-2618-6_15.Peer-Reviewed Original ResearchAcute myocardial infarctionRadionuclide imaging techniquesMyocardial infarctionReperfusion therapyExtent of ischemiaOptimal treatment strategyAvailable thrombolytic agentsRapid non-invasive techniqueCurrent management strategiesPrompt reperfusionCoronary thrombolysisThrombolytic eraAdequate reperfusionVentricular functionRisk stratificationChronic disabilityIschemic myocardiumPrethrombolytic eraSustained restorationPostinfarction patientsMyocardial functionTherapeutic spectrumTreatment strategiesEarly diagnosisThrombolytic agents
1993
A new quantitative method for the analysis of cardiac perfusion tomography (SPET): validation in post-infarct patients treated with thrombolytic therapy
Mortelmans L, Nuyts J, Scheys I, Wackers F, Lesaffre E, Brzostek T, De Roo M, De Geest H, Suetens P, Verbruggen A, Van de Werf F. A new quantitative method for the analysis of cardiac perfusion tomography (SPET): validation in post-infarct patients treated with thrombolytic therapy. European Journal Of Nuclear Medicine And Molecular Imaging 1993, 20: 1193-1200. PMID: 8299655, DOI: 10.1007/bf00171018.Peer-Reviewed Original ResearchConceptsEnzymatic infarct sizePerfusion defectsThrombolytic therapyVentricular functionInfarct sizeInfarct-related vesselLarge perfusion defectsThallium-201 chloridePost-infarct patientsPerfusion defect sizeGlobal ventricular functionRegional ventricular functionPerfusion tomographyContrast angiographyPatientsBeneficial effectsTherapyMyocardial perfusion tomogramsSignificant differencesPlanar quantificationValve planeImpact of regional ventricular function, geometry, and dobutamine stress on quantitative 99mTc-sestamibi defect size.
Sinusas AJ, Shi Q, Vitols PJ, Fetterman RC, Maniawski P, Zaret BL, Wackers FJ. Impact of regional ventricular function, geometry, and dobutamine stress on quantitative 99mTc-sestamibi defect size. Circulation 1993, 88: 2224-2234. PMID: 8222117, DOI: 10.1161/01.cir.88.5.2224.Peer-Reviewed Original ResearchConceptsHours of reperfusionDobutamine stressMyocardial thickeningVentricular geometryDefect magnitudeCoronary artery occlusionLeft ventricular geometryOpen-chest dogsRegional ventricular functionCircumferential profile analysisDefect sizeMIBI defectsArtery occlusionMyocardial salvageVentricular functionVentricular sizePharmacological stressNonviable myocardiumES imagesMyocardial perfusionInfarcted dogsRegional functionReperfusionRisk areasDogs
1992
Tc-99m SestaMIBI: Will it replace Tl-201 in clinical cardiology?
Wackers F. Tc-99m SestaMIBI: Will it replace Tl-201 in clinical cardiology? Developments In Cardiovascular Medicine 1992, 128: 239-248. DOI: 10.1007/978-94-011-2666-3_16.Peer-Reviewed Original ResearchCoronary artery diseaseArtery diseaseEjection fractionPharmacological vasodilatationPhysical exerciseTl-201Regional wall motion studiesFirst-pass ejection fractionVentricular ejection fractionSize of infarctionAcute myocardial infarctionMyocardial perfusion imagingRegional wall motionMyocardial blood flowWall motion studiesThousands of patientsLower extraction fractionMyocardial salvageThrombolytic therapyVentricular functionCoronary occlusionMyocardial infarctionMyocardial ischemiaSestamibi imagingMyocardial viability
1991
Validation of continuous radionuclide left ventricular functioning monitoring in detecting silent myocardial ischemia during balloon angioplasty of the left anterior descending coronary artery
Kayden D, Remetz M, Cabin H, Deckelbaum L, Cleman M, Wackers F, Zaret B. Validation of continuous radionuclide left ventricular functioning monitoring in detecting silent myocardial ischemia during balloon angioplasty of the left anterior descending coronary artery. The American Journal Of Cardiology 1991, 67: 1339-1343. PMID: 2042565, DOI: 10.1016/0002-9149(91)90462-t.Peer-Reviewed Original ResearchConceptsSilent myocardial ischemiaLV ejection fractionLV dysfunctionMyocardial ischemiaEjection fractionLV functionBalloon inflationRelative end-systolic volumeTransient ST-segment depressionPercutaneous transluminal coronary angioplastyMean LV ejection fractionST-segment depressionContinuous electrocardiographic monitoringTransluminal coronary angioplastyLeft ventricular functionST-segment changesEnd-diastolic volumeEnd-systolic volumeIschemic decreaseCoronary angioplastyVentricular functionElectrocardiographic changesElectrocardiographic monitoringBalloon angioplastyCoronary artery
1989
Quantitative radionuclide assessment of regional ventricular function after thrombolytic therapy for acute myocardial infarction: Results of phase I Thrombolysis in Myocardial Infarction (TIMI) trial
Wackers F, Terrin M, Kayden D, Knatterud G, Forman S, Braunwald E, Zaret B, Investigators. Quantitative radionuclide assessment of regional ventricular function after thrombolytic therapy for acute myocardial infarction: Results of phase I Thrombolysis in Myocardial Infarction (TIMI) trial. Journal Of The American College Of Cardiology 1989, 13: 998-1005. PMID: 2494246, DOI: 10.1016/0735-1097(89)90250-7.Peer-Reviewed Original ResearchConceptsRecombinant tissue-type plasminogen activatorLeft ventricular ejection fractionInfarct-related arteryVentricular ejection fractionGlobal left ventricular ejection fractionRegional left ventricular functionLeft ventricular functionEjection fractionAcute myocardial infarctionRegional ejection fractionVentricular functionMyocardial infarctionMean global left ventricular ejection fractionIntravenous recombinant tissue-type plasminogen activatorRegional left ventricular ejection fractionEffect of thrombolysisMyocardial Infarction trialRegional ventricular functionTissue-type plasminogen activatorPatients 185Sustained reperfusionIntravenous streptokinaseAngiographic reperfusionThrombolytic therapyPatency ratesThe Role of Nuclear Cardiology in the Assessment of Myocardial Infarction and the Evaluation of Early Interventions
Kayden D, Wackers F, Zaret B. The Role of Nuclear Cardiology in the Assessment of Myocardial Infarction and the Evaluation of Early Interventions. Developments In Cardiovascular Medicine 1989, 97: 187-211. DOI: 10.1007/978-1-4613-1597-1_10.Peer-Reviewed Original ResearchCoronary artery diseaseArtery diseaseConvalescent phaseMyocardial infarctionStable coronary artery diseaseManagement of patientsPresence of ischemiaMyocardial functional reserveNuclear cardiologyEarly reperfusionAcute phaseVentricular functionIschemic myocardiumMyocardial damageFunctional reservePatient prognosisEarly interventionInfarctionMyocardiumPrognosisInfarctsFuture riskPatientsDiagnostic toolAppropriate management strategies
1988
The Role of Nuclear Cardiology in Assessment of Acute Myocardial Infarction
den D, Wackers F, Zaret B. The Role of Nuclear Cardiology in Assessment of Acute Myocardial Infarction. Cardiology Clinics 1988, 6: 81-95. PMID: 3048676, DOI: 10.1016/s0733-8651(18)30503-4.Peer-Reviewed Original ResearchConceptsConvalescent phaseVentricular functionExercise-induced ischemiaAcute myocardial infarctionSalvaged myocardiumThallium imagingThrombolytic therapyAcute interventionIschemic myocardiumMyocardial infarctionPrognostic informationFurther interventionMyocardial perfusionPerfusion imagingAmbulatory monitoringMetabolic imagingMyocardiumNuclear cardiologyAppropriate management strategiesInterventionImagingInfarctionIschemiaPatientsTherapy
1985
Short-lived 195mAu for evaluation of left ventricular function by first-pass radionuclide angiography.
Van der Wall E, van Lingen A, den Hollander W, Visser F, Heidendal G, Roos J, Wackers F. Short-lived 195mAu for evaluation of left ventricular function by first-pass radionuclide angiography. Nuklearmedizin - NuclearMedicine 1985, 24: 191-2. PMID: 4080562.Peer-Reviewed Original ResearchRadionuclide Techniques for Diagnosing and Sizing of Myocardial Infarction
Wackers F. Radionuclide Techniques for Diagnosing and Sizing of Myocardial Infarction. 1985, 179-187. DOI: 10.1007/978-1-4613-3828-4_20.Peer-Reviewed Original ResearchRadionuclide techniquesAcute ischemic heart diseaseEvaluation of patientsIschemic heart diseaseAssessment of rightIll patientsVentricular functionMyocardial infarctionHeart diseaseLittle discomfortMyocardial imagingNew radiotracersPatient's bedsidePatientsNon-invasive natureNuclear cardiologyBedsideInfarctionDiseaseCardiology
1983
Serial radionuclide assessment of doxorubicin cardiotoxicity in cancer patients with abnormal baseline resting left ventricular performance
Choi B, Berger H, Schwartz P, Alexander J, Wackers F, Gottschalk A, Zaret B. Serial radionuclide assessment of doxorubicin cardiotoxicity in cancer patients with abnormal baseline resting left ventricular performance. American Heart Journal 1983, 106: 638-643. PMID: 6613807, DOI: 10.1016/0002-8703(83)90080-7.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionVentricular ejection fractionCongestive heart failureLeft ventricular performanceVentricular performanceEjection fractionAbnormal baselineHeart failureDoxorubicin therapyDoxorubicin cardiotoxicityRadionuclide angiocardiographyAbnormal left ventricular ejection fractionFinal left ventricular ejection fractionAntecedent cardiovascular diseaseSerial radionuclide studiesFirst-pass radionuclide angiocardiographyIdentification of patientsUse of doxorubicinSafe discontinuationThoracic radiationVentricular functionCancer patientsCumulative doseCardiovascular diseaseRadionuclide assessmentGold-195m for serial first pass radionuclide angiocardiography during upright exercise in patients with coronary artery disease
Wackers F, Stein R, Pytlik L, Plankey M, Lange R, Hoffer P, Sands M, Zaret B, Berger H. Gold-195m for serial first pass radionuclide angiocardiography during upright exercise in patients with coronary artery disease. Journal Of The American College Of Cardiology 1983, 2: 497-505. PMID: 6875113, DOI: 10.1016/s0735-1097(83)80277-0.Peer-Reviewed Original ResearchConceptsVentricular ejection fractionLeft ventricular ejection fractionCoronary artery diseaseLeft ventricular functionFirst-pass radionuclide angiocardiographyEjection fractionArtery diseaseVentricular functionRadionuclide angiocardiographyVentricular ejection fraction responseThallium-201 myocardial imagingThallium-201 stress scintigraphyLeft ventricular reserveEjection fraction responseSame exercise testThallium-201 myocardial imagesMulticrystal gamma cameraFirst-pass studiesSerial exerciseVentricular reserveGamma cameraLow radiation dosePeak exerciseUpright exerciseStress scintigraphy