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目的：观察高原西氏胶囊防治急性高原病的效果。方法：将进驻海拔５３８０ｍ的５２名青年随机分成４组进行双盲实验，自进驻当日开始服药至第７ｄ。高原西氏胶囊组１４人，异叶青兰组１４人，三普红景天组１２人，对照组１２人。以军标ＧＪＢ１０９８９１《急性高原反应的诊断和处理原则》随访记录进驻第１、３、５、７ｄ急性高原反应的症状，然后分度评分，同时，测定脉率和血氧饱和度（ＳａＯ２）。结果：高原西氏胶囊组急性高原反应较其它３组明显减轻，ＳａＯ２升高（Ｐ＜０．０１或Ｐ＜０．０５）。结论：高原西氏胶囊防治急性高原反应有较好的效果。
Objective: To observe the effect of Xixi capsule in preventing and treating acute altitude sickness. Methods: Fifty-two youth stationed at an altitude of 5380m were randomly divided into 4 groups for double-blind experiment. The medication was administered from the day of admission to the 7th day. 14 in the plateau Xishen capsule group, 14 in the iso-leaf Qinglan group, 12 in the S & P Rhodiola group, and 12 in the control group. Military standard GJB1098 91 “principle of diagnosis and treatment of acute altitude sickness” follow-up recorded the first 1,3,5,7 d stationed in the symptoms of acute altitude sickness, and then sub-degree score, at the same time, measured pulse rate and oxygen saturation (SaO2 ). Results: The acute altitude sickness in Xixi capsule group was significantly lower than the other three groups, SaO2 increased (P <0.01 or P <0.05). Conclusion: Plateau Xishi Capsule has a good effect in preventing and treating acute altitude sickness.