人的机体长期处于高原环境中,由于缺氧导致红细胞过度增生、血液粘滞度增加,并引起一系列头昏、头痛、气促等临床症状[1],称高原红细胞增多症(high altitude polycythemi-a,HAPC)。根据2004年第6届高原医学国际会议的标准,对于长期居住于海拔>2 500 m的人,男性血红蛋白(Hb)>210 mg/dL,女性>190 mg/dL者应考虑为HAPC[2]。我国青 Long-term human body in the plateau environment, due to hypoxia led to erythrocyte hyperplasia, increased blood viscosity, and caused a series of dizziness, headache, shortness of breath and other clinical symptoms [1], said high altitude polycythemi -a, HAPC). According to the criteria of the 6th International Conference of High Altitude Medicine in 2004, HAPC should be considered for those with long-term residence at altitudes> 2500 m, with hemoglobin> 210 mg / dL for men and> 190 mg / dL for women [2] . My youth