案例报告:成功的同时心脏移植通过积极的补充依赖性细胞毒性交叉匹配
Takayuki Yamamoto1,2, Daniel S Pearson3,4, Emad I Ababneh4
1Center for Transplantation Sciences, Massachusetts General Hospital/Harvard Medical School, Boston, MA, United States.
Frontiers in nephrology
|September 7, 2023
概括
这项研究报告了第一个成功的同时心脏移植在一个积极的补充依赖细胞毒性 (CDC) 交叉匹配. 一种新的免疫抑制疗法实现了稳定的移植功能,并在移植后的第一年避免了排斥或感染.
科学领域:
- 移植免疫学 移植免疫学
- 免疫抑制策略 免疫抑制策略
- 心血管和脏医学.
背景情况:
- 预先形成的供体特异性抗体增加了器官移植中的排斥风险.
- 积极的补充依赖性细胞毒性 (CDC) 交叉匹配通常会因为过敏的排斥风险而违反移植.
- 广泛敏感的接受者可能面临高等待名单死亡率,需要接受更高的免疫风险.
研究的目的:
- 报告首次同时进行T细胞和B细胞CDC交叉匹配阳性捐赠者的心脏脏移植.
- 评估一种新型免疫抑制疗法的有效性,以预防排斥和感染.
- 在这种高风险情景下,评估短期的移植功能和存活率.
主要方法:
- 与CDC交叉匹配的阳性供体同时进行心脏移植.
- 免疫抑制疗法包括利图西马布,静脉注射免疫球蛋白,等离子体酶,博特佐米布和子抗胆小细胞球蛋白诱导.
- 移植后使用eculizumab治疗两个月.
主要成果:
- 心脏和脏所有移植都在移植后一年保持了稳定的功能 (排泄分数≥65%,eGFR>60).
- 没有观察到抗体介导排斥的组织学证据.
- 患者没有出现严重的感染,包括细胞巨乳病毒或BK病毒.
结论:
- 一种多目标的免疫抑制疗法可以在阳性CDC交叉匹配中实现成功的结合心脏/脏移植.
- 这种方法可以在短期内预防抗体中介排斥和重大感染.
- 需要进行更长的随访,以确认持续的疗效和安全性.
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