The global blood donation index: an imperfect measure of transfusion need.

IF 98.4 1区 医学 Q1 MEDICINE, GENERAL & INTERNAL
Jeremy W Jacobs, Imelda Bates, Claudia S Cohn, Nabajyoti Choudhury, Shirley Owusu-Ofori, Hans Vrielink, Eshan U Patel, Silvano Wendel, Aaron A R Tobian, Evan M Bloch
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Abstract

The optimum number of units of blood and the associated number of blood donors required to meet a given population's needs remain undetermined globally. Typically, a whole blood donation rate of ten donations per 1000 population, at a minimum, is necessary to meet a country's blood needs. This rate is attributed to a WHO recommendation that 1% of a given country's population should donate blood to ensure a blood supply that is sufficient to meet clinical needs. This often cited metric was first referenced in a 1971 WHO report, yet neither supporting data or references were provided, suggesting that it was flawed at its founding. Regardless, this metric does not provide an accurate or contemporary determination of blood needs, which has ramifications for health service provision and planning, particularly in low-income and lower-middle-income countries. Modelling studies that account for geographical variability in disease burden, health-care infrastructure, and transfusion practices are needed to accurately estimate blood needs. A paucity of data to inform modelling remains a major obstacle in this regard. We discuss the history of the global blood donation index and highlight some factors that should be considered to better understand contemporary blood needs.

全球献血指数:衡量输血需求的不完美标准。
在全球范围内,满足特定人口需求所需的最佳血液单位数量和相关献血者人数仍未确定。通常情况下,要满足一个国家的血液需求,全血献血率至少要达到每 1000 人中有 10 人献血。这一献血率是根据世界卫生组织的建议确定的,即一个国家 1%的人口应该献血,以确保血液供应足以满足临床需要。这一经常被引用的指标首次出现在 1971 年的一份世卫组织报告中,但既没有提供支持数据,也没有提供参考资料,这表明该指标在创立之初就存在缺陷。无论如何,这一指标并不能准确或及时地确定血液需求,这对医疗服务的提供和规划产生了影响,尤其是在低收入和中低收入国家。要准确估算血液需求量,就必须开展模型研究,考虑疾病负担、医疗基础设施和输血实践的地域差异。在这方面,缺乏可用于建模的数据仍是一个主要障碍。我们讨论了全球献血指数的历史,并强调了为更好地了解当代血液需求而应考虑的一些因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
The Lancet
The Lancet 医学-医学:内科
CiteScore
148.10
自引率
0.70%
发文量
2220
审稿时长
3 months
期刊介绍: The Lancet is a world-leading source of clinical, public health, and global health knowledge. It was founded in 1823 by Thomas Wakley and has been an independent, international weekly general medical journal since then. The journal has an Impact Factor of 168.9, ranking first among 167 general and internal medicine journals globally. It also has a Scopus CiteScore of 133·2, ranking it second among 830 general medicine journals. The Lancet's mission is to make science widely available to serve and transform society, positively impacting people's lives. Throughout its history, The Lancet has been dedicated to addressing urgent topics, initiating debate, providing context for scientific research, and influencing decision makers worldwide.
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