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采用放免法检测３０例老年肺结核、２０例健康老年人、３０例中青年肺结核和３０例健康中青年人血浆内皮素－１（ＥＴ－１），并对老年肺结核的不同病情、病程和性别进行分组。结果显示３０例老年肺结核血浆ＥＴ－１水平较健康老年人显著增高（Ｐ＜０．０１），与中青年肺结核相比无显著性差异（Ｐ＞０．０５），菌阳者ＥＴ－１升高明显，较菌阴及好转者显著增高（Ｐ＜０．０１）；老年男性与女性患者间差异无显著性（Ｐ＞０．０５）。提示老年肺结核患者血浆ＥＴ－１水平与病情、病程密切相关，而与性别无关。
Thirty patients with senile pulmonary tuberculosis, 20 healthy elderly, 30 cases of middle-aged and young pulmonary tuberculosis and 30 healthy young and middle-aged people were tested for endothelin-1 (ET-1) by radiofrequency ablation. The different conditions, course of disease and gender of elderly pulmonary tuberculosis Grouping. The results showed that the plasma levels of ET-1 in 30 elderly patients with tuberculosis were significantly higher than those in healthy elderly (P <0.01), but not significantly different from those in middle-aged patients with tuberculosis (P> 0.05) (P <0.01). There was no significant difference between elderly male and female patients (P> 0.05). Tip elderly pulmonary tuberculosis patients with plasma ET-1 levels and disease, duration is closely related, but has nothing to do with gender.