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分配系统250政策对1年移植损失的影响
Xingyu Zhang1, Vishnu S Potluri2, Michele Molinari3
1School of Health and Rehabilitation Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
概括
新的分配系统 (KAS250) 增加了冷缺血时间 (CIT),导致更糟糕的短期移植存活率. 需要进行调整,以改善移植中的公平性和结果.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 移植科学 移植科学
- 卫生政策 卫生政策
背景情况:
- 分配系统 (KAS250) 于2021年3月实施,以减少已故捐赠移植的地理差异.
- 之前的研究表明,KAS250实施后冷缺血时间 (CIT) 增加,但其对移植结果的影响尚不清楚.
研究的目的:
- 评估KAS250政策对移植结果的影响,特别是死亡审查的移植损失 (DCGL) 和所有原因的移植损失 (ACGL).
- 为了确定增加的CIT是否介导了KAS250对移植损失的影响.
主要方法:
- 利用了移植受体科学注册的数据,将KAS250之后的时期 (2021年4月至2022年12月) 与KAS250之前的时期 (2017年1月至2018年12月) 进行了比较.
- 采用特定原因的危险模型来估计DCGL和ACGL的风险.
- 进行调解分析,以评估CIT在移植损失中的作用.
主要成果:
- 在KAS250之后的时期,与KAS250之前的时期相比,DCGL (HR 1.14,P=0.0187) 和ACGL (HR 1.22,P<0.0001) 显著增加.
- 调解分析显示,CIT间接影响DCGL的45.54%和ACGL的15.73%.
结论:
- 在KAS250后的时代,短期脏移植的结果变得更糟.
- 增加的CIT是导致劣质移植结果的重要因素.
- 建议调整政策和移植实践,以提高移植的公平性和结果.
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