预测ICU患者的短期死亡率,同时存在慢性阻塞性肺病和充血性心力衰竭
Qiangqiang Shi1, Jiali Xu2, Longhuan Zeng3
1Department of Respiratory Medicine, Affiliated Dongyang Hospital of Wenzhou Medical University, Dongyang, China.
Respiratory medicine
|September 9, 2024
概括
这项研究开发了一种名谱来预测重症监护室 (ICU) 慢性阻塞性肺病 (COPD) 和充血性心力衰竭 (CHF) 患者的死亡率. 新工具准确评估短期死亡风险,优于现有的临床评分系统.
科学领域:
- 关键护理医学 关键护理医学
- 心肺疾病 心肺疾病
- 医疗信息学 医疗信息学
背景情况:
- 慢性阻塞性肺病 (COPD) 和充血性心力衰竭 (CHF) 的同时发生在重症监护室 (ICU) 管理中提出了复杂的挑战.
- 准确预测死亡风险对于优化这些并发症的重症患者的治疗策略至关重要.
研究的目的:
- 开发和验证用于预测28天和90天的ICU患者患有同时存在的COPD和CHF的死亡率.
- 确定与该患者群体死亡率相关的关键临床因素.
主要方法:
- 利用了来自医疗信息中心的密切护理IV (MIMIC-IV) 数据库 (2008-2019) 的数据.
- 使用最小绝对缩小和选择运算符 (LASSO) 回归来选择特征,并使用Akaike信息标准 (AIC) 进行向后渐进回归来优化模型.
- 使用接收机操作特征 (ROC) 曲线,校准曲线,C指数和决策曲线分析 (DCA) 验证了诺米克的性能.
主要成果:
- 总共分析了1948名患者,分为发展 (70%) 和验证 (30%) 队列.
- 纳米图A,不包括查尔森并发症指数 (CCI),但包括年龄,2型糖尿病 (T2DM) 和恶性癌症,显示出优异的预测性能 (更高的AUC和C指数).
- 与用于短期死亡率预测的已建立的临床评分系统相比,开发的名图表显示出良好的准确性和更好的区分能力.
结论:
- 开发的诺莫图谱提供了一个有效的工具,用于评估COPD和CHF的ICU患者的短期死亡风险.
- 这种名图作为一种有价值的临床辅助,用于预测这种特定患者队列的预后.
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