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近年来,国内外学者对缺血性心脏病的心功能作了某些研究,但是究竟以收缩功能参数,还是以舒张功能参数作为判定心脏功能的最佳指标尚有争议。我们采用门电路放射性核素心室显象法检测了31例老年冠心病人,以探讨舒张期或收缩期指标在评价老年冠心病人左心功能中的意义。临床资料本组包括劳累型心绞痛病人10例(男9例,女1例),平均年龄61.2岁(59～69岁);陈旧性心肌梗塞病人21例(男18例,女3例),平均年龄62岁(60～74岁)。31例患者均符合WHO冠心病诊断标准。使用Technicare公司Omega 500型SPECT~(99m)T_c体内标记红细胞法获得左心室容积曲线并计算出下列参数:左心室射血分数(EF),高峰充盈率(PFR),左心室充盈分数(LVFF)。见表1。
In recent years, domestic and foreign scholars have made some studies on the cardiac function of ischemic heart disease, but whether the systolic function parameters, or diastolic function parameters as the best indicators of cardiac function is controversial. We use the door radionuclide ventricular imaging method detected 31 cases of elderly patients with coronary heart disease in order to explore the significance of diastolic or systolic indices in the evaluation of left heart function in elderly patients with coronary heart disease. Clinical data The group includes 10 patients with exertional angina pectoris (9 males and 1 females) with an average age of 61.2 years (59-69 years); 21 patients with old myocardial infarction (18 males and 3 females) with an average of Age 62 years old (60 to 74 years old). 31 patients were in line with WHO diagnostic criteria for coronary heart disease. Left ventricular volume curves were obtained using the Technicare Omega 500 SPECT 99m Tc in vivo labeling erythrocyte volume and the following parameters were calculated: left ventricular ejection fraction (EF), peak filling rate (PFR), left ventricular filling fraction (LVFF) . See Table 1.