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心肌灌注显像目前已作为冠心病(CHD)的常规诊断方法,对估测CHD的病情和预后具有重要的临床价值[1 ] ,根据心肌缺血程度和范围,心肌灌注影像分为四类:Ⅰ类为心肌灌注正常;Ⅱ类为可逆性心肌缺血;Ⅲ类为不可逆性心肌缺血;Ⅳ类为混合性心肌缺血。而血心房利钠肽(ANP)、内皮素(ET)、
Myocardial perfusion imaging has now been used as a routine diagnostic method for coronary heart disease (CHD), which has important clinical value in estimating the disease status and prognosis of CHD [1]. According to the degree and extent of myocardial ischemia, myocardial perfusion imaging is divided into four categories: Class I was normal myocardial perfusion; Class II was reversible myocardial ischemia; Class III was irreversible myocardial ischemia; Class IV was mixed myocardial ischemia. The blood atrial natriuretic peptide (ANP), endothelin (ET),