目的 通过回顾分析广州地区Rh阴性血的采供情况,了解Rh阴性红细胞的供应特点,更好地实施Rh阴性血液库存管理,保障输血安全。方法 统计2011—2017年广州血液中心Rh阴性血液采集量与供应量,血型及医院供血量的分布情况。结果 2011—2017年广州血液中心Rh阴性全血采集量为11 283 U,占总采血量的0.39%(11 283/2 902 485),供应总量为11 693 U,占红细胞类成分血总供应量的0.43%(11 693/2 762 229),其中悬浮红细胞供应比例逐年增加,冰冻解冻去甘油红细胞供应比例逐年下降,并从2014年起Rh阴性悬浮红细胞供应增长率明显高于血液采集增长率;4种血型供应量总体比较,差异有统计学意义(F=22.217,P＜0.05),A、B型Rh阴性悬浮红细胞供应增长最快,增长率分别为137.3%和134.1%,医院分布以三级以上及综合医院为主。结论 应根据广州地区Rh阴性红细胞采供特点,来持续改进Rh阴性血源招募和采供策略。通过建立一支Rh阴性定期献血者队伍,加强Rh阴性血液统筹管理和临床科室-输血科-采供血机构的沟通,促进Rh阴性血液的供需平衡,保障Rh阴性患者输血安全。

Objective To understand the characteristics of Rh-negative red blood cells (RBC) supply, improve the management of storage and guarantee the safety of blood transfusion. The collection and supply of Rh-negative RBC in Guangzhou city was retrospectively analyzed. Methods The amount of Rh-negative RBC collection and supply, the distribution of ABO blood type and the consumption of blood by different hospitals in Guangzhou Blood Center from 2011 to 2017 were statistically analyzed. Results During 2011-2017, 11 283 U Rh-negative RBC was collected in Guangzhou Blood Center, accounting for 0.39% of total RBC collection (11 283/2 902 485); 1 693 U Rh-negative RBC was supplied, accounting for 0.43% of the total blood supply (11 693/2 762 229). The proportion of suspended RBC supply increased year by year, in contrast with the decease of proportion of frozen defrosteddeglyceal RBC supply. In addition, the growth rate of Rh-negative suspended RBC supply was higher than that of RBC collection since 2014 (F=217, P<0.05). A-and B-Rh negative suspended RBC supply increased, with growth rates of 137.3% and 134.1%, respectively. The Rh negative RBC was predominantly supplied to Grade III and general hospitals. Conclusion By establishing a team of Rh-negative regular blood donors, the strategies for recruitment, collection and supply of Rh-negative RBC should be continuously improved according to the characteristics of Rh-negative RBC collection and supply in Guangzhou. The coordinating management of Rh-negative, as well as the communication of clinical departments, departments of transfusion and blood banks should be improved. In addition, the balance between supply and demand of Rh-negative blood should be promoted, and the safety of blood transfusion for Rh-negative patients can be improved.

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.