2011
85% of maximal age-predicted heart rate is not a valid endpoint for exercise treadmill testing
Jain M, Nkonde C, Lin BA, Walker A, Wackers FJ. 85% of maximal age-predicted heart rate is not a valid endpoint for exercise treadmill testing. Journal Of Nuclear Cardiology 2011, 18: 1026-1035. PMID: 21922347, DOI: 10.1007/s12350-011-9454-0.Peer-Reviewed Original ResearchConceptsMaximal age-predicted heart rateAge-predicted heart rateInducible ischemiaPeak exerciseExercise testingPositive ECGHeart rateExercise endpointPositive exercise ECGExercise treadmill testingRegistry patientsProspective registryExercise capacityRetrospective cohortTreadmill testingPatient cohortExercise ECGValid endpointPatientsMore womenEndpointIschemiaClinical laboratoriesECGCohort
1996
Diagnostic utility of tomographic myocardial perfusion imaging with technetium 99m furifosmin (Q12) compared with thallium 201: Results of a phase III multicenter trial
Hendel R, Verani M, Miller D, Wackers F, McMahon M, Cerqueira M, Botvinick E, Kvols L, Gerson M. Diagnostic utility of tomographic myocardial perfusion imaging with technetium 99m furifosmin (Q12) compared with thallium 201: Results of a phase III multicenter trial. Journal Of Nuclear Cardiology 1996, 3: 291-300. PMID: 8799247, DOI: 10.1016/s1071-3581(96)90088-4.Peer-Reviewed Original ResearchConceptsMyocardial perfusion agentPerfusion agentMulticenter trialNormalcy ratePhase III multicenter trialCoronary artery diseaseTomographic myocardial perfusionMyocardial perfusion imagingPanel of readersNew myocardial perfusion agentNew perfusion tracerPeak exerciseArtery diseaseThallium scintigraphyPerfusion scintigraphyMyocardial scintigraphyExercise workloadStudy groupLaboratory alterationsMyocardial perfusionThallium-201Perfusion imagingDiagnostic utilityScintigraphyPerfusion studies
1995
913-117 Tc99m-Furifosmin Organ Clearance and Heart/Organ Ratio After Exercise and at Rest: Implication for Timing of Imaging
Daher E, Sinusas A, Wackers F, Natale D, Bruni W, Investigators T. 913-117 Tc99m-Furifosmin Organ Clearance and Heart/Organ Ratio After Exercise and at Rest: Implication for Timing of Imaging. Journal Of The American College Of Cardiology 1995, 25: 69a. DOI: 10.1016/0735-1097(95)91739-k.Peer-Reviewed Original Research
1993
Biokinetics of technetium-99m-tetrofosmin: myocardial perfusion imaging agent: implications for a one-day imaging protocol.
Jain D, Wackers FJ, Mattera J, McMahon M, Sinusas AJ, Zaret BL. Biokinetics of technetium-99m-tetrofosmin: myocardial perfusion imaging agent: implications for a one-day imaging protocol. Journal Of Nuclear Medicine 1993, 34: 1254-9. PMID: 8326381.Peer-Reviewed Original ResearchConceptsOrgan ratiosGastrointestinal tractRest imagesImaging protocolSymptom-limited treadmill exerciseDecay-corrected countsLeft anterior oblique viewStress imagesAnterior oblique viewPortion of liverOptimal imaging protocolMyocardial perfusion imaging agentPeak exerciseTreadmill exerciseClinical trialsTechnetium-99mRadiotracer injectionMyocardial perfusionTetrofosmin imagesGallbladderPhase IEntire heartLiverTractOblique view
1990
Silent left ventricular dysfunction during routine activity after thrombolytic Therapy for acute myocardial infarction
Kayden D, Wackers F, Zaret B. Silent left ventricular dysfunction during routine activity after thrombolytic Therapy for acute myocardial infarction. Journal Of The American College Of Cardiology 1990, 15: 1500-1507. PMID: 2345230, DOI: 10.1016/0735-1097(90)92817-l.Peer-Reviewed Original ResearchConceptsTransient left ventricular dysfunctionLeft ventricular dysfunctionSilent left ventricular dysfunctionVentricular dysfunctionMyocardial infarctionCardiac eventsHospital dischargeEjection fractionThrombolytic therapySubmaximal supine bicycle exerciseNormal activityBaseline ejection fractionExercise test resultsSubsequent cardiac eventsSupine bicycle exerciseVentricular function monitoringAcute myocardial infarctionChest painPeak exerciseBicycle exerciseAmbulatory patientsElectrocardiographic changesPoor outcomePrognostic informationFunction monitoring
1989
Variables predictive of good functional outcome following thrombolytic therapy in the Thrombolysis in Myocardial Infarction phase II (TIMI II) pilot study
Rogers W, Bourge R, Papapietro S, Wackers F, Zaret B, Forman S, Dodge H, Robertson T, Passamani E, Braunwald E, Investigators F. Variables predictive of good functional outcome following thrombolytic therapy in the Thrombolysis in Myocardial Infarction phase II (TIMI II) pilot study. The American Journal Of Cardiology 1989, 63: 503-512. PMID: 2521976, DOI: 10.1016/0002-9149(89)90889-8.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionGood functional outcomeAngioplasty groupEjection fractionPeak exerciseHospital dischargeFunctional outcomePilot studyMyocardial Infarction Phase II (TIMI II) studyIntravenous recombinant tissue plasminogen activatorLeft ventricular ejection fractionPhase II pilot studyRecombinant tissue plasminogen activatorPhase II studyGood ventricular functionHours of onsetPercutaneous transluminal angioplastyRt-PA infusionVentricular ejection fractionObservational pilot studyST-segment elevationEquilibrium radionuclide ventriculographyGated equilibrium radionuclide ventriculographyAbsence of arrhythmiasTissue plasminogen activator
1983
Gold-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