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目的 :探讨进驻高原不同海拔高度不同居住时间健康青年血清肌红蛋白 (Mb)及乳酸 (BLA)水平的变化。方法 :对从平原进驻海拔 3 70 0m和 5 380m高原第 7天及 6个月的 40名官兵进行血清Mb、BLA检测 ,并与 2 0名平原健康青年作对照。结果 :在高原 ,Mb和BLA均明显高于平原 (P <0 .0 5或P <0 .0 1) ,且随海拔高度的升高而增高 (P <0 .0 1) ,随居住时间的延长而降低(P <0 .0 5或P <0 .0 1)。结论 :Mb和BLA是反映高原缺氧适应能力有意义的生理指标。
Objective: To investigate the changes of serum myoglobin (Mb) and lactate (BLA) levels in healthy youth at different altitudes at different altitudes. Methods: Forty officers and men who were stationed at 3 700 m and 5 380 m above sea level on the 7th and 6th months of the plains were tested for Mb and BLA levels and compared with 20 plain healthy youths. Results: In the plateau, Mb and BLA were significantly higher than those in plain (P <0.05 or P <0.01), and increased with altitude (P <0.01) (P <0.05 or P <0.01). Conclusion: Mb and BLA are significant physiological indicators reflecting the adaptive capacity of plateau hypoxia.