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
2009
How to Identify the Asymptomatic High-Risk Patient?
Schuijf J, Achenbach S, Zoghbi W, Boersma E, Raggi P, Weber M, Nagel E, Narula J, Wackers F, Poldermans D, Bax J. How to Identify the Asymptomatic High-Risk Patient? Current Problems In Cardiology 2009, 34: 539-577. PMID: 19804855, DOI: 10.1016/j.cpcardiol.2009.07.001.Peer-Reviewed Original ResearchConceptsElevated riskAsymptomatic high-risk patientsCardiovascular disease eventsHigh-risk patientsCause of mortalityUse of biomarkersNoninvasive imaging modalityIntermediate riskAsymptomatic individualsCardiovascular diseaseHigh riskDisease eventsPreventive measuresImaging modalitiesSubstantial proportionMorbidityPatientsRisk assessmentAdditional strategiesRiskMortalityTraditional risk assessmentLarge proportionGreat benefitIndividuals
2006
Screening of asymptomatic patients with type 2 diabetes mellitus for silent coronary artery disease: Combined use of stress myocardial perfusion imaging and coronary calcium scoring
Scholte A, Bax J, Wackers F. Screening of asymptomatic patients with type 2 diabetes mellitus for silent coronary artery disease: Combined use of stress myocardial perfusion imaging and coronary calcium scoring. Journal Of Nuclear Cardiology 2006, 13: 11-18. PMID: 16464712, DOI: 10.1016/j.nuclcard.2005.11.002.Peer-Reviewed Original ResearchMeSH KeywordsAlgorithmsCalcinosisComorbidityCoronary Artery DiseaseDiabetes Mellitus, Type 2Diagnosis, Computer-AssistedExercise TestHumansIncidenceMass ScreeningPrognosisRadionuclide ImagingReproducibility of ResultsRisk AssessmentRisk FactorsSensitivity and SpecificitySurvival RateVentricular Dysfunction, LeftConceptsSilent coronary artery diseaseCoronary artery diseaseCoronary calcium scoringType 2 diabetes mellitusMyocardial perfusion imagingArtery diseaseDiabetes mellitusCalcium scoringPerfusion imagingAsymptomatic individualsStress myocardial perfusion imagingRadionuclide myocardial perfusion imagingEarly appropriate treatmentRecent prospective studiesRates of morbidityAsymptomatic patientsCardiovascular complicationsProspective studyOverall prevalenceClinical combinationAppropriate treatmentClinical investigationMellitusClinical importanceDisease
2005
New hybrid count- and geometry-based method for quantification of left ventricular volumes and ejection fraction from ECG-gated SPECT: Methodology and validation
Liu YH, Sinusas AJ, Khaimov D, Gebuza BI, Wackers FJ. New hybrid count- and geometry-based method for quantification of left ventricular volumes and ejection fraction from ECG-gated SPECT: Methodology and validation. Journal Of Nuclear Cardiology 2005, 12: 55-65. PMID: 15682366, DOI: 10.1016/j.nuclcard.2004.09.015.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlgorithmsElectrocardiographyFemaleGated Blood-Pool ImagingHumansImage Interpretation, Computer-AssistedMaleMiddle AgedPhantoms, ImagingReproducibility of ResultsSensitivity and SpecificitySeverity of Illness IndexStroke VolumeTomography, Emission-Computed, Single-PhotonVentricular Dysfunction, Left
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 areasQuantification of SPECT myocardial perfusion images: Methodology and validation of the Yale-CQ method
Liu Y, Sinusas A, DeMan P, Zaret B, Wackers F. Quantification of SPECT myocardial perfusion images: Methodology and validation of the Yale-CQ method. Journal Of Nuclear Cardiology 1999, 6: 190-203. PMID: 10327104, DOI: 10.1016/s1071-3581(99)90080-6.Peer-Reviewed Original Research
1998
Emergency 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
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 plane
1990
Quantitative analysis of planar technetium-99m-sestamibi myocardial perfusion images using modified background subtraction.
Koster K, Wackers F, Mattera J, Fetterman R. Quantitative analysis of planar technetium-99m-sestamibi myocardial perfusion images using modified background subtraction. Journal Of Nuclear Medicine 1990, 31: 1400-8. PMID: 2143529.Peer-Reviewed Original Research