肺移植接受者中AMR和气道并发症之间的新兴关联
Zehra Dhanani1, Alonso Marquez1, Omar Al Omari1
1Thoracic Medicine and Surgery, Temple University Hospital, Philadelphia, Pennsylvania.
Transplantation proceedings
|July 1, 2025
概括
肺移植后的呼吸道并发症很常见. 抗体介导排斥,微生物殖民和望远镜手术技术增加了这些气道问题的风险.
科学领域:
- 胸部外科手术 胸部外科手术
- 移植免疫学 移植免疫学
- 肺部医学 肺部医学
背景情况:
- 呼吸道并发症 (AC),包括狭窄和脱光,在肺移植后带来了重大挑战,报告的发病率从1.4%到44%不等.
- 供体支气管缺血是一个经常涉及的因素,然而,尽管有手术和支气管镜的进展,对AC的预测因素仍然不完全理解.
- 这项研究解决了当前患者队列中AC患病率和风险因素的明确性需求.
研究的目的:
- 为了确定当代肺移植接受者中呼吸道并发症的患病率.
- 确定与移植后呼吸道并发症的发展相关的重大风险因素.
主要方法:
- 在2020-2023年220名肺移植接受者的回顾性分析,在一个大批量中心.
- 根据ISHLT指导方针对呼吸道并发症的分类 (缩小,脱落,缺血/缩,马拉西亚).
- 多变量后勤回归用于评估AC与包括抗体介导排斥 (AMR),微生物殖民和手术技术在内的因素之间的关联.
主要成果:
- 呼吸道并发症发生在17.2%的接受者中;狭窄是最常见的 (12.7%).
- 抗体中介排斥 (aOR 5.554),伪 (aOR 2.728) 和阿斯伯吉勒斯 (aOR 3.623) 殖民,以及望远镜手术技术是AC的重要风险因素.
- 在8.2%的总队列中,缺血/死先于狭窄;马拉西亚发生在3.1%.
结论:
- 呼吸道并发症仍然是肺移植的重要问题,影响超过17%的患者.
- 确定的关键贡献者包括抗体介导的排斥,特定的微生物殖民 (Pseudomonas,Aspergillus) 和望远镜手术方法.
- 这些发现强调了早期干预和对免疫路径的更深入研究的必要性,以提高移植后的结果.
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