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为了调查研究长期驻守在高原的官兵对低氧环境的适应水平和健康状况，采用跟随进驻高原部队就地调查的方法，对进驻在海拔３７００、４３００、５２００和５３８０ｍ的１２１名青年进行了连续半年或１年高原适应指数、血氧饱和度（ＳａＯ２）、血红蛋白（Ｈｂ）和红血球压积（ＨＣＴ）的检测。结果表明，部队进驻３７００ｍ第４ｄ和半年，９５％以上的青年达到了基本适应和已经适应的水平；进驻５３８０ｍ第２０ｄ，６９％的青年达到基本适应，进驻１年时，９０％以上达到基本适应和已经适应。随着海拔高度上升，ＳａＯ２递减，进驻５３８０ｍ第８ｄ，第２０ｄ、半年和１年ＳａＯ２无显著差异。进驻５３８０ｍ１年的１３名青年，Ｈｂ和ＨＣＴ全部达到高原红细胞增多症的诊断标准，但高原适应指数未见下降。结果提示，使用的高原适应指数仅可作为一般的粗测，不可用于高原红细胞增多症和高原心脏病患者。高原适应水平的确切评价还应结合其它心肺功能的检测
In order to investigate the adaptation level and health condition of officers and soldiers stationed in the plateau for a long time in the low-oxygen environment, 121 youths stationed at 3700, 4300, 5200 and 5380m were stationed for six months in succession following the method of on- Or 1-year plateau acclimation index, blood oxygen saturation (SaO2), hemoglobin (Hb) and hematocrit (HCT) were detected. The results showed that more than 95% of the youths reached basic adaption and adaptation level after the troops stationed in the 3700m for 4 days and 6 months; 69% of youths arrived at 5380m on the 20th day, reaching basic adaptability. When entering the station for 1 year, more than 90% And already adapted. As the altitude increased, SaO2 decreased, entered 5380m 8d, 20d, six months and one year SaO2 no significant difference. 13 youngsters stationed in 5380m1, Hb and HCT all reached the diagnostic criteria of high altitude polycythemia, but the plateau adaptation index did not decline. The results suggest that the plateau adaptation index used can only be used as a rough measure, not for high altitude polycythemia and patients with heart disease. The exact assessment of plateau fitness level should also be combined with other cardiopulmonary function tests