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在欧洲移植中,肝脏分配的性别差异

Hans C de Ferrante¹, Marieke De Rosner-van Rosmalen², Bart M L Smeulders³

¹Department of Mathematics and Computer Science, Eindhoven University of Technology, Eindhoven, The Netherlands; Eurotransplant International Foundation, Leiden, The Netherlands.

American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons

|July 11, 2024

概括

女性性别不会增加肝移植等候名单死亡率. 女性移植率较低主要是由于体型较小,而不是MELD得分.

科学领域:

移植研究移植研究
医学统计数据医学统计数据
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背景情况:

存在肝移植差异,女性在欧洲移植中经历了更高的等候名单死亡率和更低的移植率.
末期肝病模型 (MELD) 评分用于优先考虑候选人,但其对性别差异的影响尚不清楚.

研究的目的:

调查肝移植结果的性别差异是否与MELD评分系统固有或受候选人体型的影响.
量化性别对等候名单死亡率和移植率的直接影响,独立于MELD得分和身体大小.

主要方法:

在2007年至2019年期间 (n=21,170) 在Eurotransplant上列出的成年肝移植候选人的分析.
利用考克斯的比例危险模型来评估性别对死亡率和移植率的独立影响.
根据MELD得分和候选人体型进行调整,以隔离性别的影响.

主要成果:

没有发现有统计学意义的证据表明MELD得分系统地低估了女性等候名单死亡率 (HR:1.03,95%CI:0.88-1.20).
未经调整的分析显示,女性的移植率降低了25% (HR:0.74). 然而,在调整中介因素后,这种差异变得微不足道,主要是候选人体型 (HR:0.98).

结论:

欧洲移植中肝移植的性别差异在很大程度上是由女性的移植率较低解释的.
女性体型较小的候选人体型是导致这些移植率较低的主要因素,而不是MELD评分系统固有的局限性.

关键词:

欧洲移植欧洲移植报告报告报告分配额的分配额度.调解分析调解分析性差异性差异性差异性差异性差异性差异性差异性差异性差异性差异性差异性尺寸不匹配尺寸不匹配

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