1997
Relevance of Increased Lung Thallium Uptake on Stress Imaging in Patients With Unstable Angina and Non-Q Wave Myocardial Infarction: Results of the Thrombolysis in Myocardial Infarction (TIMI)-IIIB Study fn1fn1This study was supported in part by a research grant from Mallinckrodt Medical Inc., Saint Louis, Missouri.
Jain D, Thompson B, Wackers F, Zaret B, Investigators F. Relevance of Increased Lung Thallium Uptake on Stress Imaging in Patients With Unstable Angina and Non-Q Wave Myocardial Infarction: Results of the Thrombolysis in Myocardial Infarction (TIMI)-IIIB Study fn1fn1This study was supported in part by a research grant from Mallinckrodt Medical Inc., Saint Louis, Missouri. Journal Of The American College Of Cardiology 1997, 30: 421-429. PMID: 9247514, DOI: 10.1016/s0735-1097(97)00164-2.Peer-Reviewed Original ResearchConceptsLung/heart ratioAdverse cardiac eventsNon-Q-wave myocardial infarctionCoronary artery diseaseCardiac eventsPerfusion abnormalitiesMyocardial infarctionUnstable anginaArtery diseaseStress-induced left ventricular dysfunctionHigher cardiac event rateLeft ventricular ejection fractionAggressive interventional managementHigher revascularization rateLung thallium uptakeCardiac event rateTotal exercise timeFrequency of anginaLeft ventricular dysfunctionST-segment depressionLower exercise capacityVentricular ejection fractionPrevious myocardial infarctionMyocardial perfusion abnormalitiesNormal myocardial perfusion
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 point
1995
Value of radionuclide rest and exercise left ventricular ejection fraction in assessing survival of patients after thrombolytic therapy for acute myocardial infarction: Results of thrombolysis in myocardial infarction (TIMI) phase II study
Zaret B, Wackers F, Terrin M, Forman S, Williams D, Knatterud G, Braunwald E, Group F. Value of radionuclide rest and exercise left ventricular ejection fraction in assessing survival of patients after thrombolytic therapy for acute myocardial infarction: Results of thrombolysis in myocardial infarction (TIMI) phase II study. Journal Of The American College Of Cardiology 1995, 26: 73-79. PMID: 7797778, DOI: 10.1016/0735-1097(95)00146-q.Peer-Reviewed Original ResearchMeSH KeywordsAgedExerciseHeartHumansMiddle AgedMyocardial InfarctionPrognosisRadionuclide ImagingStroke VolumeSurvival AnalysisThrombolytic TherapyConceptsLeft ventricular ejection fractionVentricular ejection fractionExercise left ventricular ejection fractionPeak exercise ejection fractionExercise ejection fractionEjection fractionAcute myocardial infarctionImportant prognostic indexThrombolytic therapyPrethrombolytic eraCardiac mortalityPrognostic indexPrognostic valueMyocardial infarctionMortality rateMyocardial Infarction Phase II (TIMI II) studyMyocardial Infarction trialRest ejection fractionSubmaximal supine exercisePhase II studySurvival of patientsResults of thrombolysisHigh mortality rateCause mortalityII studyTomographic and planar quantitation of perfusion defects on technetium 99m-labeled sestamibi scans: Evaluation in patients treated with thrombolytic therapy for acute myocardial infarction
Mortelmans L, Wackers F, Nuyts J, Schey I, Brzostek T, Schiepers C, Lesaffre E, Suetens P, Verbruggen A, Van de Werf F. Tomographic and planar quantitation of perfusion defects on technetium 99m-labeled sestamibi scans: Evaluation in patients treated with thrombolytic therapy for acute myocardial infarction. Journal Of Nuclear Cardiology 1995, 2: 133-143. PMID: 9420778, DOI: 10.1016/s1071-3581(95)80024-7.Peer-Reviewed Original Research
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 planeNuclear Cardiology
Zaret B, Wackers F. Nuclear Cardiology. New England Journal Of Medicine 1993, 329: 775-783. PMID: 8350888, DOI: 10.1056/nejm199309093291107.Peer-Reviewed Original ResearchFrequency and significance of right ventricular dysfunction during inferior wall left ventricular myocardial infarction treated with thrombolytic therapy (results from the Thrombolysis in Myocardial Infarction [TIMI] II trial)
Berger P, Ruocco N, Ryan T, Jacobs A, Zaret B, Wackers F, Frederick M, Faxon D, Group R. Frequency and significance of right ventricular dysfunction during inferior wall left ventricular myocardial infarction treated with thrombolytic therapy (results from the Thrombolysis in Myocardial Infarction [TIMI] II trial). The American Journal Of Cardiology 1993, 71: 1148-1152. PMID: 8097614, DOI: 10.1016/0002-9149(93)90637-r.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAngioplasty, Balloon, CoronaryCombined Modality TherapyConstriction, PathologicCoronary VesselsFemaleHeart DiseasesHeart VentriclesHumansMaleMiddle AgedMyocardial InfarctionRadionuclide VentriculographyThrombolytic TherapyTissue Plasminogen ActivatorVentricular Function, LeftVentricular Function, RightConceptsRV wall motion abnormalitiesRight ventricular dysfunctionRV dysfunctionVentricular myocardial infarctionWall motion abnormalitiesVentricular dysfunctionThrombolytic therapyRadionuclide ventriculographyMyocardial infarctionMotion abnormalitiesInferior wallLower mean left ventricular ejection fractionMean left ventricular ejection fractionLeft ventricular ejection fractionBaseline clinical characteristicsInfarct-related arteryMyocardial Infarction (TIMI) II trialVentricular ejection fractionEquilibrium radionuclide ventriculographyHospital complicationsMultivessel diseaseII trialClinical characteristicsHospital dischargeEjection fractionAssessing myocardial reperfusion with technetium-99m-labeled myocardial perfusion agents: basic concepts and clinical applications.
Sinusas AJ, Wackers FJ. Assessing myocardial reperfusion with technetium-99m-labeled myocardial perfusion agents: basic concepts and clinical applications. American Journal Of Cardiac Imaging 1993, 7: 24-38. PMID: 10148381.Peer-Reviewed Original ResearchMeSH KeywordsHumansMyocardial InfarctionMyocardial ReperfusionOrganotechnetium CompoundsRadionuclide ImagingThrombolytic TherapyConceptsVessel patencyPerfusion agentManagement of patientsAcute myocardial infarctionAssessment of reperfusionClinical applicationAcute coronary reperfusionMyocardial perfusion agentThrombolytic eraCoronary reperfusionMyocardial reperfusionPotential clinical applicationsMyocardial salvageMyocardial infarctionNoninvasive evaluationReperfusionPatencyResidual viabilityThrombolysisPatientsUnique biological propertiesBiological propertiesReocclusionInfarctionPerfusion
1992
Assessment of global and regional left ventricular performance at rest and during exercise after thrombolytic therapy for acute myocardial infarction: Results of the Thrombolysis in Myocardial Infarction (TIMI) II study
Zaret B, Wackers F, Terrin M, Ross R, Weiss M, Slater J, Morrison J, Bourge R, Passamani E, Knatterud G, Braunwald E, Investigators. Assessment of global and regional left ventricular performance at rest and during exercise after thrombolytic therapy for acute myocardial infarction: Results of the Thrombolysis in Myocardial Infarction (TIMI) II study. The American Journal Of Cardiology 1992, 69: 1-9. PMID: 1729855, DOI: 10.1016/0002-9149(92)90667-n.Peer-Reviewed Original ResearchConceptsLV ejection fractionLeft ventricular performanceEjection fractionRegional left ventricular performanceRegional ejection fractionHospital dischargeThrombolytic therapyVentricular performanceTreatment strategiesStrategies patientsComparable work loadNormal exercise responseRegional LV performanceMyocardial Infarction (TIMI) II trialAcute myocardial infarctionHospital-discharged patientsConservative strategyII studyII trialDischarge patientsConservative patientsClinical benefitLV performanceExercise studiesMyocardial infarction
1990
Thrombolytic therapy for myocardial infarction: Assessment of efficacy by myocardial perfusion imaging with technetium-99m sestamibi
Wackers F. Thrombolytic therapy for myocardial infarction: Assessment of efficacy by myocardial perfusion imaging with technetium-99m sestamibi. The American Journal Of Cardiology 1990, 66: e36-e41. PMID: 2145744, DOI: 10.1016/0002-9149(90)90610-d.Peer-Reviewed Original ResearchConceptsRecombinant tissue-type plasminogen activatorThrombolytic therapyMyocardial infarctionFirst acute myocardial infarctionInfarct-related artery patencyInitial risk areaPersistent coronary occlusionAcute chest painAcute myocardial infarctionAssessment of efficacyFuture clinical researchImaging agentNew thrombolytic agentsTissue-type plasminogen activatorArtery patencyChest painInfarct arterySuccessful thrombolysisConventional therapyCoronary occlusionHypoperfused myocardiumThrombolytic agentsMyocardial perfusionPatientsEnd pointComparison of immediate invasive, delayed invasive, and conservative strategies after tissue-type plasminogen activator. Results of the Thrombolysis in Myocardial Infarction (TIMI) Phase II-A trial.
Rogers W, Baim D, Gore J, Brown B, Roberts R, Williams D, Chesebro J, Babb J, Sheehan F, Wackers F. Comparison of immediate invasive, delayed invasive, and conservative strategies after tissue-type plasminogen activator. Results of the Thrombolysis in Myocardial Infarction (TIMI) Phase II-A trial. Circulation 1990, 81: 1457-1476. PMID: 2110033, DOI: 10.1161/01.cir.81.5.1457.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngioplasty, Balloon, CoronaryCombined Modality TherapyCoronary AngiographyCoronary Artery BypassExercise TestFemaleHumansMaleMiddle AgedMyocardial InfarctionRadionuclide VentriculographyRandomized Controlled Trials as TopicStroke VolumeThrombolytic TherapyTime FactorsTissue Plasminogen ActivatorConceptsCoronary artery bypass graft surgeryPercutaneous transluminal coronary angioplastyInvasive strategy groupConservative-strategy groupAcute myocardial infarctionTreatment groupsPrimary study end pointResidual infarct artery stenosisArtery bypass graft surgeryPatent infarct-related arteryImmediate invasive strategyPredischarge exercise testingSimilar cumulative ratesBypass graft surgeryStudy end pointInfarct-related arteryTransluminal coronary angioplastyVentricular ejection fractionInitial management strategyLong-term outcomesConservative strategyStrategy groupTissue-type plasminogen activatorNonfatal reinfarctionGraft surgery
1989
Feasibility of tomographic 99mTc-hexakis-2-methoxy-2-methylpropyl-isonitrile imaging for the assessment of myocardial area at risk and the effect of treatment in acute myocardial infarction.
Gibbons R, Verani M, Behrenbeck T, Pellikka P, O'Connor M, Mahmarian J, Chesebro J, Wackers F. Feasibility of tomographic 99mTc-hexakis-2-methoxy-2-methylpropyl-isonitrile imaging for the assessment of myocardial area at risk and the effect of treatment in acute myocardial infarction. Circulation 1989, 80: 1277-1286. PMID: 2530004, DOI: 10.1161/01.cir.80.5.1277.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionThrombolytic therapyTc-sestamibiHypoperfused myocardiumMyocardial perfusionLeft ventricleIntravenous tissue-type plasminogen activatorRegional wall motion scoreIntravenous thrombolytic therapyWall motion scoreTime of administrationEffect of treatmentSingle photon emissionTissue-type plasminogen activatorEjection fractionAnterior infarctsHypoperfused regionsInferior infarctsSimilar injectionsIntravenous injectionMotion scoreInfarctionMyocardial areaInfarct segmentsSerial 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