活体供体 vs 已故供体肝移植后的生存率:倾向性得分匹配研究
Christof Kaltenmeier1, Hao Liu1, Xingyu Zhang2
1Department of Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
BJS open
|June 5, 2024
概括
活体供体肝移植 (LDLT) 显示低MELD得分的患者存活率更好,但高MELD得分的患者存活率更差,与已故供体肝移植 (DDLT) 相比. 对于晚期肝病患者来说,移植选择至关重要.
科学领域:
- 肝病学和移植外科手术
- 器官移植 研究成果 研究成果
背景情况:
- 关于活体供体肝移植 (LDLT) 与已故供体肝移植 (DDLT) 进行晚期肝病的比较结果存在不确定性.
- 患者和移植存活率是评估肝移植策略的关键指标.
研究的目的:
- 为了比较美国的LDLT和DDLT之间的患者和移植存活率.
- 根据末期肝病模型 (MELD) 评分对结果进行分层.
主要方法:
- 使用移植受体科学注册 (SRTR) 数据库进行回顾性队列研究.
- 从2002年到2020年,成人首次接受LDLT和DDLT的倾向性得分匹配 (1:10比率).
- 对患者和移植存活率的分析,按MELD得分类别分层.
主要成果:
- LDLT与MELD得分≤15 (HR=0.92) 的优异患者存活率相关.
- 对于MELD得分的患者生存率没有显著差异,得分为16-30.
- LDLT与MELD得分>30 (HR=2.57) 的较高死亡率相关.
- 在MELD 16-20 (HR=1.15) 和MELD>30 (HR=2.85) 的LDLT后,移植存活时间较短.
- 在所有MELD得分中,在LDLT后的第一年内,再移植率更高.
结论:
- 对于MELD,LDLT和DDLT之间的可比患者存活率得分为16-30.
- 在MELD分数>30的接受者中,LDLT与更糟糕的结果相关.
- 强调了精心选择移植的关键作用,特别是对于高MELD得分的患者.
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