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在吸１０．５％的低氧混合气１５ｍｉｎ前后，观察了６０名战斗机飞行员循环内皮细胞数目的变化和形态学的改变，结果实验前的数目为１．０３±０．４８（个／μｌ）；实验后为３．７３±０．５７（个／μｌ），发生了明显的改变。并观察到实验后年轻内皮细胞的脱落明显增多，与飞行员生活的习惯有一定的相关性。结果表明：在急性呼吸低氧以后对血管内皮细胞造成一定的损害。这可以用来解释飞行员的职业病。
Changes in the number of circulating endothelial cells and morphological changes of 60 fighter pilots were observed before and after the hypoxia mixture inhaled at 10.5% for 15 min. The results showed that the number before the experiment was 1.03 ± 0.48 (pieces / μl) ; After the experiment was 3.73 ± 0.57 (a / μl), a significant change occurred. It was observed that the exfoliation of young endothelial cells increased significantly after the experiment, which had some correlation with the habit of pilots. The results showed that after acute respiratory hypoxia caused some damage to the vascular endothelial cells. This can be used to explain the pilot’s occupational disease.