将机器学习与现实世界的数据结合起来,以识别临床实践指南中的差距:使用前性德国中风注册表和国家急性缺血性中风指南的可行性研究
Sandrine Müller1, Susanne Diekmann1, Markus Wenzel1,2
1Fraunhofer Institute for Digital Medicine, Bremen, Germany.
JMIR medical informatics
|July 14, 2025
概括
机器学习通过分析现实世界的数据,发现了德国中风血栓溶解指南中的差距. 患者的年龄影响了治疗决策,这表明急性缺血性中风护理的潜在指导方针改进.
科学领域:
- 神经学 神经学
- 医疗信息学 医疗信息学
- 医学指导方针 医学指导方针
背景情况:
- 临床实践指南 (CPG) 对于患者护理至关重要,但往往没有得到充分实施.
- 急性缺血性中风需要及时治疗,因此遵守指南对结果至关重要.
- CPG和临床实践之间的差距可能导致治疗变化,特别是当指南不涵盖所有情景时.
研究的目的:
- 系统地识别和量化德国中风中血栓溶解指南中的差异.
- 利用现实世界的数据和机器学习 (ML) 发现指导方针的差距.
- 通过确定影响临床决策的因素来完善CPG.
主要方法:
- 来自德国中风登记处13,440名患者的分析 - 内血管治疗 (GSR-ET) (2015-2023).
- 开发一种随机森林模型,利用指南推的,临床医生选择的和注册数据的特征来预测血栓溶解治疗决策.
- 解释模型特征的重要性 (变换重要性,沙普利值) 以确定准则偏差.
主要成果:
- 在不同的特征集中,ML模型实现了强大的预测性能 (AUC 0.71-0.77).
- 从症状发作到入院的时间是血栓溶解决定的主要预测因素.
- 患者年龄,在目前的德国指南中没有考虑,在现实数据中显著预测了治疗决策.
结论:
- 使用现实数据的创新ML方法有效地确定了中风血栓溶解中CPG和临床实践之间的差距.
- 患者年龄和中风前状态等因素可能会影响超出当前指南建议的治疗决策.
- 这种方法可以为急性缺血性中风的临床实践指南的未来改进提供信息.
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