预测不利用活体透的捐赠者心脏移植的预测因素
David Rekhtman1, Michaela Asher1, Amit Iyengar2
1From the Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
概括
功能不良和并发症的捐赠心脏通常不被使用,即使使用了先进的 perfusion 技术. 识别这些因素是增加移植供献心脏供应的关键.
科学领域:
- 心脏病学 心脏病学
- 移植医学 移植医学
- 医疗技术 医疗技术 医学技术
背景情况:
- 尽管采购方面取得了进展,但捐赠心脏的稀缺性仍然存在.
- 活体输液的目的是改善捐赠心脏的生存能力.
- 了解影响捐赠心脏利用率的因素至关重要.
研究的目的:
- 为了确定预测由ex vivo perfusion支持的心脏非利用的捐赠者特征.
- 为了比较ex vivo perfused和non-ex vivo perfused心脏之间丢弃的预测因素.
主要方法:
- 对2023年9月30日之前获得的捐赠心脏国家数据库的分析.
- 捐赠者的分层分为"使用"和"丢弃"队列.
- 多变量后勤回归用于识别非利用的预测因素.
主要成果:
- 在1393个活体透心脏中,有11%没有使用.
- 预测废弃ex vivo透气心脏的预测因素包括减少射出分数,冠状动脉疾病和晚年.
- 增加的体重和延长的缺血时间预测只有在非ex vivo perfused心脏中才会丢弃.
结论:
- 心脏功能不佳和捐赠者的并发症是不利用活体输血心脏的重要预测因素.
- 这些发现可以为扩大捐赠心脏池的策略提供信息.
- 进一步的研究应该集中在这些变量对移植后结果的影响上.
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