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本文用放射免疫方法测定20例老年冠心病患者和15例正常老年人血清内源性洋地黄样因子(EDF)浓度。结果发现:AMI患者血清EDF浓度明显高于正常老年人和稳定型心绞痛患者(P均<0.01),合并心房纤(?)者血清EDF浓度明显低于窦性节律者(P<0.01),血清EDF浓度与血钠浓度呈明显正相关(r=0.4783,P<0.05)。
In this paper, the serum endogenous digitalis-like factor (EDF) concentrations in 20 elderly patients with coronary heart disease and 15 normal controls were measured by radioimmunoassay. The results showed that the serum level of EDF in AMI patients was significantly higher than that in normal elderly patients and stable angina patients (all P <0.01). The EDF concentrations in patients with atrial fibrillation (?) Were significantly lower than those in sinus rhythm (P <0.01) EDF concentration and serum sodium concentration was positively correlated (r = 0.4783, P <0.05).