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在重复的基移植生物检查中,持续的微血管炎症的结果
Sandesh Parajuli1, Adam Bregman1, Emily E Zona1
1Division of Nephrology, Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA.
Clinical transplantation
|December 12, 2025
概括
移植患者持续的微血管炎症 (MVI) 不会影响长期的移植存活率. 早期抗体中介排斥 (AMR) 的发展对于移植结果比治疗反应更为关键.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 移植免疫学 移植免疫学
- 病理学 病理学 病理学
背景情况:
- 微血管炎症 (MVI),其特征是膜炎和周管毛细血管炎 (g+ptc) ≥2,是移植抗体中介排斥 (AMR) 的关键.
- 尽管接受了治疗,但持续性MVI的预后影响仍然不清楚.
研究的目的:
- 为了调查移植中持续MVI的风险因素.
- 评估持续MVI与移植存活率之间的关联.
主要方法:
- 对108名移植接受者 (KTRs) 的回顾性分析,连续活检显示在第一和第二次活检上持续的MVI (≥2).
- 在第三次活检中,KTRs被归类为MVI (+) 或MVI (-).
- 对风险因素和移植存活率进行考克斯回归分析.
主要成果:
- 在第三次活检时,75名KTR (69%) 患有持续的MVI (MVI (+));33名 (31%) 患有MVI (-).
- 没有显著的基线特征,班夫得分或供体特异抗体 (DSA) 状态预测了持续的MVI.
- 在第三次活检中,持久的MVI与移植失败没有显著关联 (aHR:0.55,95%CI:0.23-1.29).
结论:
- 在第三次活检中,MVI (+) 和MVI (-) 组之间的移植结果没有差异.
- 表明初始AMR的发展,而不是治疗后的反应,对预后更为关键.
- 强调预防移植排斥的重要性.
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