一个输血风险分层分数,以促进心肺旁路术的质量管理
Qiaoni Zhang1, Yuchen Gao2, Yu Tian3
1Department of Cardiopulmonary Bypass, Fuwai Hospital, Chinese Academy of Medical Science and Peking Union Medical College, National Clinical Research Center for Cardiovascular Disease, Beijing, China.
Transfusion
|July 17, 2023
概括
一个新的风险评分有效预测心脏手术患者的红细胞 (RBC) 输血需求. 这个工具有助于针对高风险个体的血液储存策略,改善患者的治疗结果.
科学领域:
- 心血管外科心血管外科
- 输血医学 输血医学
- 患者血液管理患者血液管理
背景情况:
- 以前的血液管理计划减少了红细胞 (RBC) 输血,但缺乏精确的预测工具.
- 仅仅是输血率不足以评估心肺绕道 (CPB) 设置中的输血实践.
- 需要有针对性的干预措施,以优化心脏外科手术中的红细胞输血管理.
研究的目的:
- 设计和验证风险分层分数,用于预测在心脏动手术患者的外科手术期间红细胞输血.
- 为识别高风险需要红细胞输血的患者提供一个工具.
- 引导实施积极的血液保护措施.
主要方法:
- 分析了来自42,435名成人心脏手术患者的数据.
- 使用八个关键预测因素 (年龄,性别,贫血,NYHA类,BSA,手术史,紧急状态,手术类型) 开发一个多变量预测模型.
- 使用AUC,Hosmer-Lemeshow测试和校准曲线验证得分,并将其与现有得分进行比较.
主要成果:
- 最终的风险评分,包括八个预测因素,在训练和测试数据集中显示出良好的预测性能,AUC为0.77.
- 校准曲线证实了模型与观察到的数据的良好匹配.
- 该评分有效将患者分为低 (0-13),中 (14-19),高 (>19) 风险组,表现优于现有的两种风险评分.
结论:
- 开发了一种有效的八个变量风险分层分数,以预测在抽动心脏手术中的外科手术期间红细胞输血.
- 这一分数使得输液师能够主动地为高风险患者实施血液节约策略.
- 开发的得分提高了心脏手术患者血液管理的精度.
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