肝移植后与操作耐受性相关的因素:单一中心的回顾性研究
Sunghae Park1, Gyu-Seong Choi1
1Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
Korean journal of transplantation
|December 28, 2023
概括
肝移植后可能达到操作耐受性,较大的移植物和调节性T细胞发挥关键作用. 这减少了对长期免疫抑制的依赖,以获得更好的患者结果.
科学领域:
- 移植免疫学 移植免疫学
- 肝病学 肝病学是一种肝病学.
- 免疫抑制管理的管理.
背景情况:
- 肝移植中的长期免疫抑制会带来重大风险,并限制患者的治疗结果.
- 实现临床操作耐受性是改善长期移植存活率和患者福祉的关键目标.
研究的目的:
- 确定与实现肝移植接受者的操作耐受性相关的因素.
- 了解免疫抑制退出后伴随操作耐受性的免疫变化.
主要方法:
- 对2300名肝移植患者 (1998-2020年) 的回顾性分析,不包括早期死亡病例.
- 操作耐受性定义为免疫抑制后退出的正常肝功能.
- 耐受性 (TG) 和非耐受性 (NTG) 组的倾向性得分匹配 (1:2比).
主要成果:
- 99名接收者实现了没有排斥的操作耐受性.
- 耐受性接受者,特别是儿童,死亡供体移植的比例更高,温暖缺血时间更短.
- 在耐受性组中观察到CD4+CD25+T细胞比率的增加免疫抑制后退出.
结论:
- 更大,更健康的肝移植可能会促进操作耐受性.
- 调控性T细胞作为关键的调解者参与了运行耐受性的发展.
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