2000
Acute ischemic dysfunction alters coronary flow reserve in remote nonischemic regions: Potential mechanical etiology identified in an acute canine model
Daher E, Dione D, Heller E, Holahan J, DeMan P, Shen M, Hu J, Sinusas A. Acute ischemic dysfunction alters coronary flow reserve in remote nonischemic regions: Potential mechanical etiology identified in an acute canine model. Journal Of Nuclear Cardiology 2000, 7: 112-122. PMID: 10796000, DOI: 10.1016/s1071-3581(00)90031-x.Peer-Reviewed Original ResearchConceptsCoronary flow reserveRemote nonischemic regionsProximal occlusionNonischemic regionsThickening fractionCanine modelDistal occlusionCoronary flowIschemic areaFlow reserveMechanical etiologyLeft ventricleLeft circumflex artery regionAnterior descending (LAD) coronary artery occlusionProgressive decreaseAnesthetized open-chest canine modelCoronary artery occlusionExtent of ischemiaGlobal hemodynamic parametersProximal coronary occlusionRegional ischemic dysfunctionAcute canine modelImportant clinical implicationsOpen-chest canine modelMicrosphere blood flow
1996
Quantification of technetium 99m-labeled sestamibi single-photon emission computed tomography based on mean counts improves accuracy for assessment of relative regional myocardial blood flow: Experimental validation in a canine model
Liu Y, Sinusas A, Shi C, Shen M, Dione D, Heller E, Wackers F. Quantification of technetium 99m-labeled sestamibi single-photon emission computed tomography based on mean counts improves accuracy for assessment of relative regional myocardial blood flow: Experimental validation in a canine model. Journal Of Nuclear Cardiology 1996, 3: 312-320. PMID: 8799250, DOI: 10.1016/s1071-3581(96)90091-4.Peer-Reviewed Original ResearchConceptsMyocardial blood flowRelative blood flowRelative myocardial blood flowRegional myocardial blood flowCoronary artery occlusionBlood flowSingle photon emissionArtery occlusionCanine modelShort-axis slicesEx vivoSestamibi single-photon emissionMyocardial countsFlow deficitsMyocardial count densityNormal blood flowMean countsRegional myocardial perfusionCount profilesMIBI uptakeMIBI SPECTSestamibi SPECTMyocardial perfusionCircumferential count profilesRelative regional myocardial blood flow
1989
Effect of ischemia and postischemic dysfunction on myocardial uptake of technetium-99m-labeled methoxyisobutyl isonitrile and thallium-201
Sinusas A, Watson D, Cannon J, Beller G. Effect of ischemia and postischemic dysfunction on myocardial uptake of technetium-99m-labeled methoxyisobutyl isonitrile and thallium-201. Journal Of The American College Of Cardiology 1989, 14: 1785-1793. PMID: 2584570, DOI: 10.1016/0735-1097(89)90034-x.Peer-Reviewed Original ResearchConceptsLow coronary flowThallium-201Postischemic dysfunctionMyocardial uptakeArtery occlusionMethoxyisobutyl isonitrileEndocardial flowCoronary flowGroup II dogsTwo-dimensional echocardiographyEffects of ischemiaRegional blood flowOpen-chest canine modelMyocardial perfusion agentEpicardial segmentsRadionuclide injectionBlood flowEndocardial segmentsRegional dysfunctionIschemic regionLeft ventricleCanine modelDysfunctionGroup IPerfusion agent