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 flowSevere regional ischemia alters coronary flow reserve in the remote perfusion area
Wu J, Yun J, Dione D, Heller E, Deckelbaum L, Sinusas A. Severe regional ischemia alters coronary flow reserve in the remote perfusion area. Journal Of Nuclear Cardiology 2000, 7: 43-52. PMID: 10698234, DOI: 10.1067/mnc.2000.99189.Peer-Reviewed Original ResearchConceptsLAD coronary flow reserveCoronary flow reserveLCX stenosisFlow reserveImpairment of CFRStenosis severityRemote nonischemic regionsRate-pressure productRegional myocardial dysfunctionDoppler flow probesTransstenotic pressure gradientOpen-chest dogsAcute canine modelIschemic dysfunctionAnterior descendingIntracoronary injectionMyocardial dysfunctionProximal LCXCoronary stenosisMyocardial infarctionAcute ischemiaProgressive impairmentPerfusion areaRegional myocardial flowTransstenotic gradient