迫在眉的危机等待心脏移植. 基于选择的解决方案建模
L W Stevenson1, S L Warner, A E Steimle
1Ahmanson-UCLA Cardiomyopathy Center.
Circulation
|January 1, 1994
概括
移植等待名单正在不可持续地增长. 更严格的候选人选择标准,如年龄限制和风险评估,对于稳定名单和改善关键病人的心脏移植机会至关重要.
科学领域:
- 心脏病学 心脏病学
- 移植手术 移植手术
- 公共卫生政策 公共卫生政策
背景情况:
- 每月增加的移植候选人超过可用的捐赠者心脏,增加等待时间.
- 许多病情恶化的门诊患者迫切需要移植.
- 目前的心脏移植等待名单包括2400名候选人,平均等待时间为8个月.
研究的目的:
- 模拟心脏移植门诊和关键候选人池的稳定.
- 预测候选人名单政策改变对候选人名单规模和结果的影响.
- 确定减少死亡和优化心脏分配的策略.
主要方法:
- 人口模型是使用对捐赠心脏,候选人列表,突然死亡和患者衰退的统计数据来构建的.
- 模型进行了修改,以模拟政策变化的影响,如年龄限制和风险分层.
- 在48个月的时间里,分析了预测的结果.
主要成果:
- 如果不改变政策,名单将稳定在270名住院和3700名门诊候选人,后者的移植机会有限.
- 将上限年龄降至55岁将使每月的候选人名单减少30%,使名单稳定在1490名候选人.
- 仅列出80%恶化风险的候选人,将使名单减少30%,稳定在目前的三分之一,并改善门诊接入.
结论:
- 需要立即采取措施,以限制候选人列表,并管理对门诊移植可能性的预期.
- 未来的努力应优先选择在没有移植的情况下恶化风险最高的候选人.
- 严格的候选人选择可以将整体死亡率降至最低,并提高心脏分配效率.
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