在同时进行胸腔腹腔DCD器官采购后,保留了2-y肝移植结果,尽管对肝脏利用率产生了影响
Steven A Wisel1, Justin A Steggerda1, Carrie Thiessen2
1Department of Surgery, Comprehensive Transplant Center, Cedars-Sinai Medical Center, Los Angeles, CA.
Transplantation direct
|October 25, 2023
概括
在循环死亡确定 (TA-DCD) 之后的胸腔腹腔捐赠肝移植显示出优异的移植存活率,与其他DCD方法相比. 常温区域输液 (NRP) 采购尽量减少器官丢弃,优化利用.
科学领域:
- 移植免疫学和器官采购策略.
- 心血管和肝胆道外科手术研究结果.
背景情况:
- 在循环死亡确定 (DCD) 之后的当前捐献心脏采购方法,包括直接采购和机器输液或胸腔腹部正常热区域输液 (NRP),产生出色的心脏移植结果.
- 胸腔腹腔DCD (TA-DCD) 心脏采购对肝脏全移植结果和利用的影响仍然不完全理解.
研究的目的:
- 评估TA-DCD心脏采购对肝脏全移植利用和结果的影响.
- 为了比较TA-DCD捐赠者的肝移植结果与仅腹部DCD (A-DCD) 和脑死亡后捐赠 (DBD) 的捐赠者.
主要方法:
- 从2019年12月到2021年7月使用UNOS/OPTN数据库对160名同时心脏和肝脏TA-DCD捐赠者的回顾性分析.
- 肝脏结果按心脏采购技术分层 (直接采购/机器输液与NRP) 并与A-DCD (n=1332) 和DBD (n=12891) 肝脏移植进行比较.
- 卡普兰-梅尔方法与日志级测试评估了患者和移植的存活率;评估了器官丢弃率.
主要成果:
- 在160个TA-DCD肝脏中,有133个被移植. 与A-DCD和DBD捐赠者相比,TA-DCD捐赠者更年轻,BMI也更低.
- 与A-DCD相比,TA-DCD肝脏表现出相当的患者存活率 (P=.893) 和优越的移植存活率 (P=.009).
- 与A-DCD (20.5%) 和DBD (0.5%) 相比,TA-DCD肝脏由于延长热性缺血时间 (37.0%) 的丢弃率更高. 直接采购/机器 perfusion 的丢弃率比NRP (7.4%) 高 (18.5%).
结论:
- 在TA-DCD捐赠后的肝移植产生相当于患者的存活率和优异的移植存活率.
- 标准热区域输液 (NRP) 采购与TA-DCD中器官丢弃率最低相关,这表明它是最大限度地利用器官的最佳策略.
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