Nitroglycerin Intervention ~ (99m) Tc-mibi Myocardial Perfusion Imaging To Identify Viable Myocardium And Reconstruction Of Acute Myocardial Infarction, Coronary Revascularization Surgery Efficacy Evaluation

Assessment of Viablc Myocardium andC oronary Revascu la rization of AcuteMyocardium Infarction by NitroglycerinInfusion in ',"Tc-MIBl Myocardial Singlephoton Emission C om puted TomographyDepartment of Cardiology, The FirstAffi l iated Hospi tal of Xinj iang MedicalU n i v e r s i t yPos tgradua te: Wu LingzhenTu t or: Ma Y ing t ongAb s t ra c t0bjective: To discuss the cl inical va 1ueof Ni t roglycer in infus ion by'," Tc--MIBImyocardia l S ing le photon emi s s ion computedtomography (SPECT) in the detect ion of viablemyocardia 1 and eva lua t ion of Pereutaneoust rans lumina l coronary ang iopla s ty (PTCA)ou tcome. Methods: Twenty--three pat ient s wi thcoronary a rtery diease (CAD) were enrol l ed inour s tudy for PTCA. Mycardia l imag ing wasunder taken before PTCA. Res t mag ing wasrepeated l week and 2 months after PTCA. Resul ts: The pos it ive and the negative predictiveva lues and the accuracy of ni t rog lycer ininfus ion dur ing "tyc--MIBI myocard ia l SPECT inde tect ing viable myocardia 1were79. 4%, 88. 5%and84. 5%, respect ively. The ischemia score wasreduced apperent 1y after PTCA, mos t apparent lyin the i schemia myocardium group,apparent lyin the group of ischemia andinfarct ion notapparent ly in the infarct iongroup' Conc lu8 ion: Ni t rog lycer in infus ion dur ing"tyc--MIBI myocard ia l SPECT mi ght improve thedetect ion of viab1e myocardial of much va lue inoutcome and i ts c1 inica l app1 icat ions.