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时代在变:HIV感染者间器官移植的希望

The Times, They are a-Changing: HOPE for HIV-to-HIV Organ Transplantation.

作者信息

Haidar Ghady, Singh Nina

机构信息

1 Division of Infectious Diseases, University of Pittsburgh Medical Center, Pittsburgh, PA. 2 University of Pittsburgh and VA Pittsburgh Healthcare System, Infectious Diseases Section, Pittsburgh, PA.

出版信息

Transplantation. 2017 Sep;101(9):1987-1995. doi: 10.1097/TP.0000000000001728.

Abstract

HIV-infected persons who achieve undetectable viral loads on antiretroviral therapy currently have near-normal lifespans. Liver disease is a major cause of non-AIDS-related deaths, and as a result of longer survival, the prevalence of end-stage renal disease in HIV is increasing. HIV-infected persons undergoing organ transplantation generally achieve comparable patient and graft survival rates compared to their HIV-uninfected counterparts, despite a nearly threefold increased risk of acute rejection. However, the ongoing shortage of suitable organs can limit transplantation as an option, and patients with HIV have higher waitlist mortality than others. One way to solve this problem would be to expand the donor pool to include HIV-infected individuals. The results of a South Africa study involving 27 HIV-to-HIV kidney transplants showed promise, with 3- and 5-year patient and graft survival rates similar to those of their HIV-uninfected counterparts. Similarly, individual cases of HIV-to-HIV liver transplantation from the United Kingdom and Switzerland have also shown good results. In the United States, HIV-to-HIV kidney and liver transplants are currently permitted only under a research protocol. Nevertheless, areas of ambiguity exist, including streamlining organ allocation practices, optimizing HIV-infected donor and recipient selection, managing donor-derived transmission of a resistant HIV strain, determining optimal immunosuppressive and antiretroviral regimens, and elucidating the incidence of rejection in HIV-to-HIV solid organ transplant recipients.

摘要

接受抗逆转录病毒治疗且病毒载量检测不到的艾滋病毒感染者目前的寿命接近正常。肝脏疾病是与艾滋病无关的死亡的主要原因,由于生存期延长,艾滋病毒感染者终末期肾病的患病率正在上升。接受器官移植的艾滋病毒感染者与未感染艾滋病毒的人相比,通常能获得相当的患者和移植物存活率,尽管急性排斥反应的风险增加了近两倍。然而,合适器官的持续短缺可能会限制移植这一选择,而且艾滋病毒感染者在等待名单上的死亡率高于其他人。解决这个问题的一个方法是扩大供体库,将感染艾滋病毒的个体包括在内。南非一项涉及27例艾滋病毒感染者之间肾移植的研究结果显示出了希望,其3年和5年的患者及移植物存活率与未感染艾滋病毒的人相似。同样,英国和瑞士的个别艾滋病毒感染者之间肝移植病例也取得了良好效果。在美国,目前只有在研究方案下才允许进行艾滋病毒感染者之间的肾移植和肝移植。然而,仍存在一些模糊不清的领域,包括简化器官分配做法、优化感染艾滋病毒的供体和受体选择、管理供体来源的耐药艾滋病毒株传播、确定最佳免疫抑制和抗逆转录病毒方案,以及阐明艾滋病毒感染者之间实体器官移植受者的排斥反应发生率。

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