对于ABO不兼容的移植进行脱敏的实验室方法
Kyung-Hwa Shin1,2, Hyun-Ji Lee1,3
1Department of Laboratory Medicine, Pusan National University School of Medicine, Busan, Korea.
Clinical transplantation and research
|September 5, 2025
概括
由于更好的免疫抑制, 现在可以进行ABO不兼容的移植. 精确测量和降低抗ABO单聚氨标位是防止抗体中介排斥和确保移植成功的关键.
科学领域:
- 移植免疫学
- 临床实验室科学
- 免疫抑制策略
背景情况:
- 由于超急性排斥风险,ABO不兼容的移植在历史上是禁忌的.
- 免疫抑制和脱敏的进展使得ABO不兼容的移植成为可能.
- 准确的抗ABO单聚氨酸标位测量对于成功的结果至关重要.
研究的目的:
- 审查血凝和异凝定位测量的原则.
- 讨论异凝素反弹的临床意义及其与排斥的联系.
- 突出正在进行的ABO不兼容移植实验室标准化工作.
主要方法:
- 血液凝结原理和异质凝结标量测量技术的审查.
- 影响凝结敏感性的因素分析.
- 讨论消毒方案和新兴治疗剂.
主要成果:
- 移植前高的异凝素标位 (≥1:32) 与抗体介导排斥 (AMR) 有着强烈的关联.
- 移植后的异凝素反弹是AMR的一个重要危险因素,特别是在肝脏和脏接受者中.
- 使用各种消毒策略,包括Rituximab,等离子体和新药.
结论:
- 对于抗ABO异位素的有效管理对于抗ABO异位素不兼容的移植成功至关重要.
- 移植后必须仔细监测异凝素反弹,以减轻AMR风险.
- 需要继续进行研究和标准化,以优化实验室和临床实践.
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