肺移植后不良事件与异体移植后缺血时间之间的动态关联
Wenxi Zhang1, Tong Qiu1, Isabella B Metelmann2
1Department of Thoracic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China.
概括
在肺移植中延长异构移植缺血时间 (AIT) 并没有影响存活率,但增加了早期并发症,如初级移植功能障碍. 然而,长期的AIT与减少的长期支气管炎消灭症综合征有关.
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
- 器官的保存 器官的保存
背景情况:
- 全移植缺血时间 (AIT) 是肺移植结果的关键因素.
- 扩展AIT对术后事件和长期存活的影响仍然不完全理解.
- 评估更长时间的AIT可行性对于优化捐赠器官利用至关重要.
研究的目的:
- 评估延长的全移植性缺血时间 (AIT) 对肺移植接受者的影响.
- 为了确定延长AIT超过6小时是否会影响短期和长期生存.
- 为了确定与长期AIT相关的特定术后事件.
主要方法:
- 对成年人肺移植器官共享联合网络 (2005-2020) 数据库的分析.
- 倾向性得分匹配以比较标准 (<6小时) 和延长 (≥6小时) AIT组.
- 用于在连续AIT尺度上评估结果的限制立方线.
- 主要结局:1年和5年整体存活率.
主要成果:
- 标准和长期AIT组之间1年或5年生存率没有显著差异.
- 长时间的AIT与长时间通风,透析,初级移植功能障碍 (PGD) 和急性排斥的几率增加有关.
- 延长AIT显示对5年支气管炎消灭综合征有保护作用.
- 持续的分析显示,随着较长的AIT,死亡率,通风,透析和PGD的风险增加.
结论:
- 长时间的AIT会对早期的术后结果产生负面影响,包括PGD,但通过减少支气管炎消灭症综合征,提供以后的好处.
- 无论AIT持续时间如何,患者在1年和5年的整体存活率仍然可比.
- 当考虑使用长期缺血时间的肺部时,需要进行动态风险评估.
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