在ICU中患有并发性心力衰竭的老年关节骨折患者中短期死亡的风险因素:使用诺米克图的MIMIC-IV数据库分析
Yining Lu1,2, Wei Chen1,2, Yuhui Guo1,3
1Department of Orthopedic Research Center, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, People's Republic of China.
Journal of orthopaedic surgery and research
|November 4, 2023
概括
这项研究确定了在ICU中心力衰竭的老年关节骨折患者30天死亡的关键风险因素. 一个新的诺莫格拉姆模型有助于预测这些高风险患者的存活率.
科学领域:
- 老年医学 老年医学
- 关键护理医学 关键护理医学
- 心脏病学 心脏病学
背景情况:
- 骨折是老年人常见的严重伤害,通常导致ICU入院.
- 心力衰竭是老年关节骨折患者在ICU中的常见并发症,影响生存率.
- 在这个人群中,心力衰竭后短期死亡率的现有预测模型是不够的.
研究的目的:
- 确定30天全因死亡率的独立风险因素.
- 开发一个预测模型,用于老年ICU患者的死亡率,其中包括关节骨折和心力衰竭.
主要方法:
- 使用了密集护理IV数据集的医疗信息市场 (641名患者).
- 使用最小绝对收缩和选择操作员回归来进行特征选择.
- 开发了一种多变量逻辑回归模型,并使用C指数和DCA验证了其预测性能.
主要成果:
- 确定了MCH,MCV,INR,单细胞百分比,中性粒细胞百分比,肌素和败血症作为独立的死亡预测因素.
- 实现了高预测性能,C指数为0.869 (培训) 和0.824 (验证).
- 开发的名图表在验证中表现出强大的预测能力.
结论:
- 一种新型的诺莫格拉姆模型准确地预测了老年ICU患者的30天死亡率,这些患者有关节骨折和心力衰竭.
- 这种工具可以帮助临床医生进行有针对性的治疗和预后.
- 该模型为管理这个脆弱的患者群体提供了有价值的临床方法.
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