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30例老年慢性充血性心力衰竭患者和20例正常人用放射免疫法测定血清内源性洋地黄样因子(EDF)浓度。结果显示:老年慢性充血性心力衰竭患者血清EDF浓度明显低于正常;心力衰竭纠正后,血清EDF浓度明显升高;心力衰竭程度、心律失常有无、原发病因、心力衰竭类型对血清EDF浓度无明显影响。
Serum endogenous digitalis-like factor (EDF) concentrations were measured by radioimmunoassay in 30 elderly patients with chronic congestive heart failure and 20 normal individuals. The results showed that the serum EDF concentration in elderly patients with chronic congestive heart failure was significantly lower than normal; the serum EDF concentration was significantly increased after the heart failure was corrected; the degree of heart failure, arrhythmia, primary etiology, No significant effect.