开发基于机器学习的急性损伤预测模型,在资源有限的环境中使用非标准的EMR
Shengwen Guo1,2, Yuanhan Chen3,4, Yu Kuang5
1Department of Intelligent Science and Engineering, School of Automation Science and Engineering, South China University of Technology, Guangzhou, Guangdong, China.
Medical physics
|September 30, 2025
概括
预测急性损伤 (AKI) 是可能使用非标准的电子病历 (EMR) 没有血清肌素 (SCr) 数据. 这种机器学习方法为资源有限的环境提供了至关重要的解决方案.
科学领域:
- 医疗信息学 医疗信息学
- 医疗保健中的机器学习
- 腎臟病學 (nephrology) 是一種醫學.
背景情况:
- 急性损伤 (AKI) 是一个全球性的健康挑战,特别是在资源有限的地区.
- 现有的AKI预测模型通常依赖于血清肌素 (SCr) 和标准化的电子病历 (EMR).
- 在低资源环境中,非标准的EMR和不频繁的SCr测试阻碍了准确的AKI预测.
研究的目的:
- 开发和验证用于使用非标准EMR预测AKI的机器学习模型.
- 在缺乏SCr数据的场景中评估模型的有效性.
主要方法:
- 一项多中心观察性研究,涉及15家中国医院的561,137名患者 (2010-2016).
- 利用光梯度增强机 (LightGBM) 算法进行预测建模.
- 使用包括AUC,精度,回忆,特异性和准确性在内的指标评估模型性能.
主要成果:
- 45,610名患者被诊断患有AKI.
- 轻GBM模型实现了高AKI预测准确性,AUC值在0.860到0.986.6之间.
- 通过使用非标准EMR,即使没有SCr数据,也证明了有效的AKI预测.
结论:
- 非标准的EMR是AKI预测的宝贵数据来源,特别是当SCr无法使用时.
- 这种方法对于资源有限的环境非常重要,克服了传统生物标志物的局限性.
- 非标准EMR中的临床特征可以有效地弥补AKI预测中SCr数据的缺失.
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