目的 了解广州市区全血乳糜血报废的趋势变化和献血人群特征,并分析其背后的原因,为进一步减少全血乳糜血报废提供参考依据。方法 通过广州血液中心信息系统检索,统计2017—2019年期间中心全血乳糜血报废量、报废率等相关数据,并分层统计性别、年龄、献血方式与报废的关系,提出有效减少乳糜血报废的对策。结果 2017—2019年期间广州血液中心共采集制备3 003 998单位血液,因乳糜血原因报废的血液达69 311单位,报废率2.31%,占总报废的44.02%。其中,男性献血者乳糜血报废率显著高于女性献血者,报废血液主要为18～40岁年龄段的无偿献血,约一半报废血来自团体献血者。结论 加大献血知识的宣传,特别是团体献血者;做细献血前征询工作和献血后跟踪随访;关注男性和年轻献血者,进一步减少全血乳糜血报废几率。

Objective To evaluate the trend of scrapped chylemia blood in whole blood collection and the characteristics of blood donors in urban area of Guangzhou, analyze the reasons behind so as to provide reference for further reducing chylemia blood scrapped. Methods Search the whole blood collection and scrapped chylemia blood data from 2017 to 2019 through the information system of Guangzhou Blood Center, stratifiy gender,age,donation way, and look for solutions. Results 3 003 998 U blood component were collected and prepared from 2017 to 2019. Totally 69 311 U chylemia blood were scrapped due to chylemia blood, accounting for 44.02% of the total discarded blood. Scrapped chylemia blood rate were significantly higher among male blood donors than among female donors,and mainly aged from 18-40 donors. About half of the discarded blood came from group donors. Conclusion Greater efforts to publicize especially for group donors,careful consultation before blood donation and follow-up after blood donation should be taken. We should pay close attention to male and young blood donors, so as to further reduce the possibility of scrapped chylemia blood.