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本文对长期移居高海拔地区（２２６１ｍ）退休后返回平原（苏州）居住的健康中、老年人７２名进行心血管Ｘ线测量分析并与苏州地区健康中、老年人７１名进行比较，两组结果无显著差异。说明机体在高原低氧环境下所形成的代偿性肺动脉高压等一系列改变在返回平原后经过脱适应机制可复原至平原地区健康老年人水平。
In this paper, 72 long-term residents of high altitude (2261m) retired to plain (Suzhou) who lived in the plain (Suzhou) were analyzed by X-ray and compared with 71 healthy and elderly healthy people in Suzhou. The results of two groups No significant difference. Indicating that the body in the plateau hypoxia environment formed compensatory pulmonary hypertension and a series of changes in the return to the plains through the adaptation mechanism can be restored to the level of healthy elderly in the plains.