肝衰竭患者的凝血风险预测:综合元分析和机器学习模型研究
Hao Wang1, Tao He1, Liang Ren1
1Affiliated Hospital of North Sichuan Medical College, Nanchong, China.
JMIR medical informatics
|December 8, 2025
概括
人工肝脏支持系统 (ALSS) 在肝衰竭患者中显著改善凝血功能. 机器学习模型准确地预测了凝血功能障碍风险,有助于个性化管理.
科学领域:
- 肝病学和重症监护医学 肝病学和重症监护医学
- 生物医学工程和人工器官开发
- 在医疗保健中的数据科学和机器学习.
背景情况:
- 肝衰竭经常导致严重的凝血功能障碍,这是一个重大的临床挑战.
- 人工肝脏支持系统 (ALSS) 在改善凝血参数方面表现有前途.
- 在ALSS中对凝血动态的预测建模仍未得到充分探索.
研究的目的:
- 评估ALSS对肝衰竭中的凝血功能的影响.
- 开发一个动态的机器学习模型来预测凝血参数的改进.
- 为了确定ALSS治疗期间凝血异常的关键预测因素.
主要方法:
- 18项研究 (1771名患者) 的系统文献综述和元分析.
- 评估ALSS对国际规范化比率 (INR),前列血时间 (PT),激活部分血栓形成时间 (APTT) 和纤维素原的影响.
- 使用ICU数据开发机器学习模型 (逻辑回归,XGBoost,随机森林,LSTM).
主要成果:
- 阿尔斯显著改善了INR,PT,APTT和纤维素原 (P<.05).
- 在不同的ALSS模式中,治疗疗效有所不同.
- 随机森林模型实现了最高的预测性能 (AUC 92.12%),动态INR作为关键预测因素.
结论:
- 在肝衰竭患者中,ALSS有效地改善了凝血参数,有效性因模式而异.
- 机器学习模型准确预测凝血功能障碍风险,支持早期识别和个性化管理.
- 该模型作为一个动态的风险评估工具,以帮助临床评估和护理干预.
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