开发和验证一个名谱模型,用于预测患有肺部感染的老年ICU患者的MDRO感染
Bo Wang1, Suming Zhang1, Lei Meng1
1Department of Intensive Care Unit, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221006, China.
Aging clinical and experimental research
|July 16, 2025
概括
多种耐药生物体 (MDRO) 感染在ICU中构成重大威胁. 一种新的风险预测模型有效地识别了患有MDROs高风险的肺部感染的老年患者,帮助临床决策.
科学领域:
- 关键护理医学 关键护理医学
- 传染性疾病 传染性疾病
- 老年病的医生 老年病的医生
背景情况:
- 抗药性多种生物体 (MDRO) 感染在重症监护室 (ICU) 中越来越令人担忧,特别是在肺部感染的老年患者中.
- 关于MDRO感染在这个脆弱的人群中的特定风险和模式的知识有限.
研究的目的:
- 评估患病率,并确定MDRO感染的独立风险因素,在老年ICU患者肺部感染.
- 开发和验证MDRO感染风险的预测模型,以指导临床管理.
主要方法:
- 一项回顾性队列研究,涉及494名入住ICU的肺部感染的老年患者.
- 拉索和多因素后勤回归被用来识别风险因素并构建一个名ogram预测模型.
- 用ROC曲线,校准图和决策曲线分析评估模型性能,并对稳定性进行Bootstrap验证.
主要成果:
- MDRO感染的独立风险因素包括长时间住院,慢性阻塞性肺病,脑血管疾病史,气管切除术和先前的卡巴尼姆暴露.
- 开发的诺莫格拉姆模型显示出良好的预测准确性 (AUC = 0.748) 和临床实用性.
- 根据决策曲线分析,该模型显示了良好的适应性 (霍斯默-莱梅Show p=0.75) 和临床益处.
结论:
- 开发的风险预测模型对于识别患有MDRO风险的肺部感染的老年ICU患者是有效的.
- 该工具可以帮助进行风险评估,并为针对性预防策略和护理干预提供信息,以对抗MDRO感染.
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