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Transfusion transmission of human prion diseases.
Transfusion Medicine Reviews ( IF 2.7 ) Pub Date : 2007-12-08 , DOI: 10.1016/j.tmrv.2007.09.003
Shimian Zou 1 , Chyang T Fang , Lawrence B Schonberger
Affiliation  

No transmission through transfusion has been reported for classic Creutzfeldt-Jakob disease (CJD). Moreover, a series of epidemiological surveillance, case-control, and look-back studies have provided no evidence of such transmission of CJD. Hence, the risk of such transfusion transmission of classic CJD remains theoretical. In contrast, based on data from the United Kingdom, the likelihood of transmission of the agent of the variant form of CJD (vCJD) through blood transfusion by donors who develop the disease within several years of donation is about 14% for recipients who survive longer than 5 years posttransfusion. Leukodepletion may reduce the likelihood of vCJD transmissions, although this procedure by itself removes less than half of the prion infectivity of blood. The potentially longer incubation periods of vCJD with infections in donors who are not methionine/methionine homozygous at codon 129 of the prion protein gene, the unknown number of such donors, and the unknown infectivity of their blood during the incubation period suggests caution in assuming that only known cases of vCJD represent a risk for the transfusion transmission of vCJD. Results from ongoing look-back investigations and other studies will enable continued monitoring and more precise estimations of the risks of the transfusion transmission of CJD and vCJD.

中文翻译:

人病毒疾病的输血传播。

对于经典的克雅氏病(CJD),尚无通过输血传播的报道。此外,一系列的流行病学监测,病例对照和回顾性研究均未提供此类传播克雅氏病的证据。因此,这种经典CJD输血传播的风险仍然是理论上的。相比之下,根据英国的数据,在捐赠数年内罹患该疾病的捐赠者通过输血传播CJD变体形式的病原体(vCJD)的可能性,对于存活时间更长的接受者而言约为14%输血后5年以上。白细胞去除可以减少vCJD传播的可能性,尽管这种方法本身可以消除血液中the病毒感染力的一半以下。vCJD可能具有更长的潜伏期,在in病毒蛋白基因第129位密码子上不是甲硫氨酸/蛋氨酸纯合子的供体中感染,这种供体的数量未知,并且在潜伏期中其血液的传染性未知,因此建议谨慎进行以下假设:只有已知的vCJD病例代表了vCJD输血传播的风险。正在进行的回顾研究和其他研究的结果将能够继续监控和更精确地估计CJD和vCJD输血传播的风险。并且在潜伏期期间其血液的未知传染性表明,仅假定vCJD的已知病例会代表vCJD输血传播的风险,因此应谨慎行事。正在进行的回顾研究和其他研究的结果将能够继续监控和更精确地估计CJD和vCJD输血传播的风险。并且在潜伏期期间其血液的未知传染性表明,仅假定vCJD的已知病例会代表vCJD输血传播的风险,因此应谨慎行事。正在进行的回顾研究和其他研究的结果将能够继续监控和更精确地估计CJD和vCJD输血传播的风险。
更新日期:2019-11-01
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