1998
Limitations of dobutamine for enhancing flow heterogeneity in the presence of single coronary stenosis: implications for technetium-99m-sestamibi imaging.
Wu JC, Yun JJ, Heller EN, Dione DP, DeMan P, Liu YH, Zaret BL, Wackers FJ, Sinusas AJ. Limitations of dobutamine for enhancing flow heterogeneity in the presence of single coronary stenosis: implications for technetium-99m-sestamibi imaging. Journal Of Nuclear Medicine 1998, 39: 417-25. PMID: 9529285.Peer-Reviewed Original ResearchConceptsSingle-vessel stenosisMyocardial blood flowDobutamine stressCoronary stenosisTechnetium-99mBlood flowLeft circumflex artery stenosisCircumflex artery stenosisFlow deficitsSingle coronary stenosisCoronary artery diseaseRate-pressure productRegional myocardial blood flowLeft ventricular pressurePeak dobutamine stressOpen-chest dogsNonischemic flowArtery diseaseArtery stenosisPeak dobutamineSestamibi activitySevere stenosisVentricular pressureSestamibi imagingIschemic zone
1995
Technetium-99m-nitroimidazole (BMS181321): a positive imaging agent for detecting myocardial ischemia.
Shi CQ, Sinusas AJ, Dione DP, Singer MJ, Young LH, Heller EN, Rinker BD, Wackers FJ, Zaret BL. Technetium-99m-nitroimidazole (BMS181321): a positive imaging agent for detecting myocardial ischemia. Journal Of Nuclear Medicine 1995, 36: 1078-86. PMID: 7769431.Peer-Reviewed Original ResearchConceptsIschemic regionMyocardial ischemiaBlood flowEx vivo SPECTRegional myocardial blood flowPartial coronary occlusionMicrosphere blood flowMyocardial blood flowOpen-chest canine modelVivo SPECT imagesSPECT imagesVivo planarCentral ischemic regionCoronary occlusionDemand ischemiaBMS181321Technetium-99mIntravenous injectionLiver ratioMyocardial imagingCanine modelPositive imagingHepatic clearanceLiver activityArterial sampling
1994
Technetium-99m-tetrofosmin to assess myocardial blood flow: experimental validation in an intact canine model of ischemia.
Sinusas AJ, Shi Q, Saltzberg MT, Vitols P, Jain D, Wackers FJ, Zaret BL. Technetium-99m-tetrofosmin to assess myocardial blood flow: experimental validation in an intact canine model of ischemia. Journal Of Nuclear Medicine 1994, 35: 664-71. PMID: 8151391.Peer-Reviewed Original ResearchConceptsTechnetium-99mCanine modelPerfusion tracerMicrosphere flowCoronary artery occlusionInitial myocardial uptakeIntact canine modelOpen-chest dogsMyocardial perfusion imagingMyocardial blood flowDynamic planar imagingArtery occlusionPharmacological vasodilatationPharmacological stressMyocardial perfusion tracersMyocardial uptakeRadiotracer injectionBlood flowMyocardial perfusionPerfusion imagingArterial samplingMyocardial flowBackground activity ratioTetrofosminIschemia
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
1980
Myocardial Imaging with Thallium-201 and Technetium-99m-Pyrophosphate in the Coronary Care Unit: Conclusion
Wackers F, Willerson J. Myocardial Imaging with Thallium-201 and Technetium-99m-Pyrophosphate in the Coronary Care Unit: Conclusion. Developments In Cardiovascular Medicine 1980, 9: 241-244. DOI: 10.1007/978-94-009-8904-7_14.Peer-Reviewed Original ResearchAcute myocardial infarctionMyocardial infarctionMyocar-dial infarctionAcute chest painCoronary care unitChest painCare unitClinical recognitionTechnetium-99mPatient historyThallium-201Myocardial imagingSerum enzymesInfarctionPatientsImaging techniquesSuccessful visualizationFirst reportMultiple reasonsPainMyocardiumDiagnosis