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美国妇产科医师学会委员会意见第 771 号摘要:脐带血库。

ACOG Committee Opinion No. 771 Summary: Umbilical Cord Blood Banking.

出版信息

Obstet Gynecol. 2019 Mar;133(3):604-606. doi: 10.1097/AOG.0000000000003129.

Abstract

Since the first successful umbilical cord blood transplant in 1988, it has been estimated that more than 35,000 transplants have been performed in children and adults for the correction of inborn errors of metabolism, hematopoietic malignancies, and genetic disorders of the blood and immune system. Two types of banks have emerged for the collection and storage of umbilical cord blood: 1) public banks and 2) private banks. The benefits and limitations of public versus private umbilical cord blood banking should be reviewed with the patient because they serve different purposes. This patient discussion also should include the concept of autologous and allogeneic use of umbilical cord blood. Umbilical cord blood collected from a neonate cannot be used to treat a genetic disease or malignancy in that same individual (autologous transplant) because stored cord blood contains the same genetic variant or premalignant cells that led to the condition being treated. There is no current evidence to support the use of an autologous umbilical cord blood sample in regenerative medicine. Patients should be made aware of the quality control and regulatory organizations that provide oversight for the process of umbilical cord collection and storage. Umbilical cord blood collection should not compromise obstetric or neonatal care or alter routine practice of delayed umbilical cord clamping with the rare exception of medical indications for directed donation. Therefore, it is important to inform patients that the medical condition of the woman or neonate may prevent adequate umbilical cord blood collection. This document is updated with a statement that the routine use of private cord blood banking is not supported by available evidence and that public banking is the recommended method of obtaining cord blood. In addition, the importance of contribution from all ethnicities and races to public banks is highlighted.

摘要

自 1988 年首例成功的脐带血移植以来,据估计,已经有超过 35000 例儿童和成人接受了脐带血移植,以纠正先天性代谢缺陷、血液恶性肿瘤和血液及免疫系统的遗传疾病。为了收集和储存脐带血,已经出现了两种类型的银行:1)公共银行和 2)私人银行。由于它们的目的不同,应该与患者一起审查公共与私人脐带血库的优缺点。这种患者讨论还应包括脐带血自体和同种异体使用的概念。从新生儿采集的脐带血不能用于治疗同一个体的遗传疾病或恶性肿瘤(自体移植),因为储存的脐带血中含有导致所治疗疾病的相同遗传变异或恶性前体细胞。目前没有证据支持使用自体脐带血样本进行再生医学。应让患者了解脐带采集和储存过程的质量控制和监管组织。脐带血采集不应影响产科或新生儿护理,也不应改变延迟脐带结扎的常规做法,只有在有医学指征需要定向捐献的极少数情况下例外。因此,重要的是要告知患者,妇女或新生儿的医疗状况可能会妨碍足够的脐带血采集。本文件的更新内容是,私人脐带血库的常规使用没有得到现有证据的支持,公共银行是获取脐带血的推荐方法。此外,强调了所有族裔和种族向公共银行捐献的重要性。

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