捐赠者和接受者年龄差异对接受肺移植患者中期和长期生存的影响:基于接受者年龄分层的队列研究
Wei He1, Zhiwei Wang2,3, Caikang Luo2,3
1First Clinical College, Guangzhou Medical University, Guangzhou, 510182, China.
概括
年轻的捐赠者改善了肺移植的生存率. 使用捐赠者-接受者年龄差异 (Δ) 数据,年轻的捐赠者 (Δ<0) 显著提高了18-60岁接受者的移植存活率和老年接受者的患者存活率,支持年龄匹配匹配.
科学领域:
- 移植免疫学 移植免疫学
- 胸部外科手术 胸部外科手术
- 器官移植的结果.
背景情况:
- 捐赠者-接受者年龄差异对肺移植 (LTx) 结果的影响尚未完全理解.
- 优化捐赠者-接受者匹配对于提高LTx成功率至关重要.
研究的目的:
- 调查捐赠者-接受者年龄差异对LTx.后患者和移植体存活率的影响.
- 根据接受者年龄组分层分析,以确定最佳匹配策略.
主要方法:
- 对2005-2015年联合器官共享网络 (UNOS) 数据的分析.
- 成年首次接受LTx的患者分层分为18-40,40-60岁和60-80岁的年龄组.
- 捐赠者-接受者年龄差异 (Δ) 的分类为<0和≥0组,对60-80组进行进一步分层.
主要成果:
- 负的捐赠者-接受者年龄差异 (Δ<0) 在18-40岁和40-60岁的接受者中显著改善了5年移植存活率.
- 对于60-80岁的接受者,较大的年龄差距 (Δ<-10) 与较小的差距 (Δ<0至≤-10) 相比,显示出更高的5年患者存活率.
- 较年轻的捐赠者在囊性纤维化和异常性肺纤维化等特定疾病中表现出好处.
结论:
- 较年轻的捐赠者年龄与肺移植后中长期存活率的改善有关.
- 考虑到捐赠者-接受者年龄差异的个性化偏好匹配可以提高移植后的结果.
- 这些发现支持根据受体年龄和特定疾病特征量身定制供体选择.
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