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Abstract：
Objectives: The purpose of this paper is to describe blood services in the Aba Tibetan and Qiang Regions, (hereinafter referred to as Aba Prefecture), a region of China\'s Qinghai-Tibetan Plateau, the third largest area of Tibet and the main inhabited area of the Qiang people. Design: We present a comprehensive investigation into blood donations, donors, screening and supply in the 13 counties of Aba Prefecture based on data from 2013 to 2018. Geography and population were also used to analyze the differences in blood services among different regions. Participants: The number of blood donors totaled 19,047. Results: Over the past 6 years, blood donations have increased by 29 and clinical blood usage by 45%. The blood donation rate was 3.4‱ and per capita blood use was 1.04 mL, both of which were significantly lower than the national average, and blood donation decreased with altitude. It should be noted that the donation rate of the Tibetan and Qiang peoples is much lower than that of the Han population. Moreover, the rejection rate of blood in laboratory testing was found to be higher than the national average, especially in counties located at higher altitudes. Conclusions: Blood donations and usage increased every year in Aba Prefecture, but blood shortage is still an important issue. In addition, the prevalence of transfusion-transmitted diseases is relatively high, which may be linked to lower-education and unfavorable geographical and medical conditions.
摘要：
目的：本文的目的是描述阿坝藏族和羌族地区的血液服务，（以下简称阿坝州），中国青藏高原的一个地区，是西藏第三大区和羌族主要聚居区。设计：我们对献血进行了全面调查，捐助者,根据2013年至2018年的数据，对阿坝州13个县进行了筛查和供应。还使用地理和人口来分析不同地区之间的血液服务差异。参与者：献血者总数为19,047。结果:过去6年,献血增加了29次，临床用血增加了45%。献血率为3.42人，人均用血1.04mL，两者都大大低于全国平均水平，献血量随着海拔高度的增加而减少.应该注意的是，藏族和Qian族的捐赠率远远低于汉族。此外，在实验室检测中发现血液的排斥率高于全国平均水平，尤其是在海拔较高的县。结论：阿坝州的献血和使用每年都在增加，但是血液短缺仍然是一个重要的问题。此外,输血传播疾病的患病率相对较高，这可能与较低的教育水平以及不利的地理和医疗条件有关。
