2020
George A. Beller, MD (Born 1940)
Wackers FJT, Corner T. George A. Beller, MD (Born 1940). Journal Of Nuclear Cardiology 2020, 27: 723-725. PMID: 32367225, DOI: 10.1007/s12350-020-02115-2.Peer-Reviewed Original Research
2010
Hyperglycemia on admission predicts larger infarct size in patients undergoing percutaneous coronary intervention for acute ST-segment elevation myocardial infarction
Cruz-Gonzalez I, Chia S, Raffel O, Sanchez-Ledesma M, Senatore F, Wackers F, Nathan D, Jang I. Hyperglycemia on admission predicts larger infarct size in patients undergoing percutaneous coronary intervention for acute ST-segment elevation myocardial infarction. Diabetes Research And Clinical Practice 2010, 88: 97-102. PMID: 20083319, DOI: 10.1016/j.diabres.2010.01.001.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionPrimary percutaneous coronary interventionAcute ST-segment elevation myocardial infarctionPrimary PCILarger infarct sizeElevation myocardial infarctionPercutaneous coronary interventionInfarct sizeCoronary interventionMyocardial infarctionDay 5Final TIMI 3 flowTIMI 3 flowMultivariate linear regression analysisSingle photon emissionAdmission correlateSTEMI patientsBaseline characteristicsDiabetic statusHyperglycemia groupIndependent predictorsHyperglycemiaPatientsLinear regression analysisAdmission
2009
Cardiac Outcomes After Screening for Asymptomatic Coronary Artery Disease in Patients With Type 2 Diabetes : The DIAD Study: A Randomized Controlled Trial
Young LH, Wackers FJ, Chyun DA, Davey JA, Barrett EJ, Taillefer R, Heller GV, Iskandrian AE, Wittlin SD, Filipchuk N, Ratner RE, Inzucchi SE, Investigators F. Cardiac Outcomes After Screening for Asymptomatic Coronary Artery Disease in Patients With Type 2 Diabetes : The DIAD Study: A Randomized Controlled Trial. JAMA 2009, 301: 1547-1555. PMID: 19366774, PMCID: PMC2895332, DOI: 10.1001/jama.2009.476.Peer-Reviewed Original ResearchConceptsCoronary artery diseaseType 2 diabetesNonfatal myocardial infarctionAsymptomatic coronary artery diseaseMyocardial perfusion imagingCardiac event rateMyocardial infarctionCardiac deathMPI defectsCardiac outcomesEvent ratesScreened groupArtery diseaseSymptoms of CADRadionuclide myocardial perfusion imagingAsymptomatic Diabetics (DIAD) studyHigh cardiac riskLow event ratesPositive predictive valueDetection of ischemiaPrimary medical preventionCoronary revascularizationDiabetes clinicIdentifies patientsControlled Trials
2008
Association of Leukocyte and Neutrophil Counts With Infarct Size, Left Ventricular Function and Outcomes After Percutaneous Coronary Intervention for ST-Elevation Myocardial Infarction
Chia S, Nagurney J, Brown D, Raffel O, Bamberg F, Senatore F, Wackers F, Jang I. Association of Leukocyte and Neutrophil Counts With Infarct Size, Left Ventricular Function and Outcomes After Percutaneous Coronary Intervention for ST-Elevation Myocardial Infarction. The American Journal Of Cardiology 2008, 103: 333-337. PMID: 19166685, DOI: 10.1016/j.amjcard.2008.09.085.Peer-Reviewed Original ResearchConceptsPrimary percutaneous coronary interventionLeft ventricular ejection fractionPrimary PCIST-segment elevation myocardial infarctionElevation myocardial infarctionLarger infarct sizePercutaneous coronary interventionInfarct sizeNeutrophil countMyocardial infarctionElevated leukocytesLeukocyte countCardiac eventsCoronary interventionFirst ST-segment elevation myocardial infarctionAcute Myocardial Infarction StudyST-elevation myocardial infarctionAssociation of leukocytesComposite cardiac eventsIntracellular calcium modulatorsLeft Ventricular SalvageAdverse cardiac eventsElevated leukocyte countPlacebo-controlled trialMyocardial Infarction StudyUtility 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
2003
Use of radionuclide imaging in acute coronary syndromes
Abbott B, Wackers F. Use of radionuclide imaging in acute coronary syndromes. Current Cardiology Reports 2003, 5: 25-31. PMID: 12493157, DOI: 10.1007/s11886-003-0034-z.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseCoronary DiseaseHumansMyocardial InfarctionPredictive Value of TestsRadionuclide ImagingSensitivity and SpecificitySyndromeConceptsAcute coronary syndromeMyocardial infarctionChest painCoronary syndromeEmergency departmentPerfusion imagingRadionuclide myocardial perfusion imagingAcute chest painTriage of patientsAcute myocardial infarctionPerfusion imaging studyMyocardial perfusion imagingNegative predictive valueReperfusion therapyED evaluationRoutine careRandomized trialsRisk stratificationInfarct sizePrognostic valueDiagnostic challengeUnnecessary hospitalizationPredictive valueTesting modalitiesImaging studies
2001
Selective use of single-photon emission computed tomography myocardial perfusion imaging in a chest pain center
Abbott B, Abdel-Aziz I, Nagula S, Monico E, Schriver J, Wackers F. Selective use of single-photon emission computed tomography myocardial perfusion imaging in a chest pain center. The American Journal Of Cardiology 2001, 87: 1351-1355. PMID: 11397352, DOI: 10.1016/s0002-9149(01)01551-x.Peer-Reviewed Original ResearchConceptsChest pain centerChest pain patientsCoronary artery diseasePain patientsSingle photon emissionChest painPain centerArtery diseaseMyocardial infarctionEmergency department chest pain centersEmergency department chest pain patientsTomography myocardial perfusion imagingTomography myocardial perfusionAcute myocardial infarctionMyocardial perfusion imagingSelective useCPC patientsNonischemic electrocardiogramHospital dischargeAppropriate patientsHospital admissionFinal diagnosisMyocardial perfusionPatientsPerfusion imaging
2000
An economic analysis of an aggressive diagnostic strategy with single photon emission computed tomography myocardial perfusion imaging and early exercise stress testing in emergency department patients who present with chest pain but nondiagnostic electrocardiograms: Results from a randomized trial
Stowers S, Eisenstein E, Wackers F, Berman D, Blackshear J, Jones A, Szymanski T, Lam L, Simons T, Natale D, Paige K, Wagner G. An economic analysis of an aggressive diagnostic strategy with single photon emission computed tomography myocardial perfusion imaging and early exercise stress testing in emergency department patients who present with chest pain but nondiagnostic electrocardiograms: Results from a randomized trial. Annals Of Emergency Medicine 2000, 35: 17-25. PMID: 28140201, DOI: 10.1016/s0196-0644(00)70100-4.Peer-Reviewed Original ResearchMeSH KeywordsAgedChest PainClinical ProtocolsCoronary AngiographyCost ControlElectrocardiographyEmergency TreatmentExercise TestFemaleHospital CostsHumansLength of StayMaleMedicareMiddle AgedMyocardial InfarctionReproducibility of ResultsRisk FactorsSingle-Blind MethodTomography, Emission-Computed, Single-PhotonUnited StatesConceptsEarly exercise stress testingExercise stress testingLength of stayChest painHospital costsSingle photon emissionCoronary angiographyStress testingDiagnostic strategiesTomography myocardial perfusion imagingCost/charge ratiosAggressive diagnostic strategyNegative scan resultsPositive scan resultsAcute chest painIntermediate-risk patientsAcute coronary syndromeExercise treadmill testingAdverse clinical outcomesShorter median lengthEmergency department patientsAcute myocardial infarctionScan resultsMyocardial perfusion imagingPhoton emission
1999
Risk Stratification Soon After Acute Infarction
Wackers F, Zaret B. Risk Stratification Soon After Acute Infarction. Circulation 1999, 100: 2040-2042. PMID: 10562256, DOI: 10.1161/01.cir.100.20.2040.Peer-Reviewed Original ResearchCan acute rest imaging shorten evaluation in chest pain centers?
Wackers F. Can acute rest imaging shorten evaluation in chest pain centers? Journal Of Nuclear Cardiology 1999, 6: 676-678. PMID: 10608597, DOI: 10.1016/s1071-3581(99)90106-x.Peer-Reviewed Original ResearchQuantification 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 areasEjection 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
Clinical Value of Acute Rest Technetium-99m Tetrofosmin Tomographic Myocardial Perfusion Imaging in Patients With Acute Chest Pain and Nondiagnostic Electrocardiograms
Heller G, Stowers S, Hendel R, Herman S, Daher E, Ahlberg A, Baron J, de Leon C, Rizzo J, Wackers F. Clinical Value of Acute Rest Technetium-99m Tetrofosmin Tomographic Myocardial Perfusion Imaging in Patients With Acute Chest Pain and Nondiagnostic Electrocardiograms. Journal Of The American College Of Cardiology 1998, 31: 1011-1017. PMID: 9562001, DOI: 10.1016/s0735-1097(98)00057-6.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionTomographic myocardial perfusionMyocardial infarctionChest painNondiagnostic electrocardiogramEmergency departmentHospital periodHospital admissionRest technetiumTetrofosmin SPECTMyocardial perfusionLow cardiac event rateTetrofosmin single photon emissionMultiple logistic regression analysisAcute chest painCardiac event rateNormal SPECT imagesMean cost savingsUnnecessary hospital admissionsLogistic regression analysisSingle photon emissionSPECT imagesAbnormal SPECTCardiac eventsRest TcEmergency department chest pain units and the role of radionuclide imaging
Abbott B, Wackers F. Emergency department chest pain units and the role of radionuclide imaging. Journal Of Nuclear Cardiology 1998, 5: 73-79. PMID: 9504876, DOI: 10.1016/s1071-3581(98)80013-5.Peer-Reviewed Original Research
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 infarctRelevance 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
Quantitative comparison of single-isotope and dual-isotope stress-rest single-photon emission computed tomographic imaging for reversibility of defects
Siebelink H, Natale D, Sinusas A, Wackers F. Quantitative comparison of single-isotope and dual-isotope stress-rest single-photon emission computed tomographic imaging for reversibility of defects. Journal Of Nuclear Cardiology 1996, 3: 483-493. PMID: 8989673, DOI: 10.1016/s1071-3581(96)90058-6.Peer-Reviewed Original ResearchConceptsDefect reversibilitySingle photon emissionDual-isotope SPECTNormal databaseStress-rest single-photon emissionTechnetium 99m-labeled sestamibiStress-induced myocardial ischemiaStress single-photon emissionPerfusion defect reversibilityPrior myocardial infarctionDefect sizeRest/stressSingle-isotope imagingMyocardial infarctionThallium SPECTMyocardial ischemiaIndividual patientsMyocardial perfusionThallium-201PatientsSestamibiCircumferential count profilesTomographic imagingImaging protocolDual-isotope imagingDistortion 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