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