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深度学习方法的比较使用胸部X射线图来预测临床恶化:回顾性观察研究

Mahmudur Rahman1, Jifan Gao2, Kyle A Carey3

  • 1Department of Medicine, University of Wisconsin-Madison, 610 Walnut St, Madison, WI, 53792, United States, 1 608-262-9564.

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概括
此摘要是机器生成的。

使用胸部放射图的深度学习模型可以预测住院患者的临床恶化. DenseNet121模型在识别有重症监护室转移或死亡风险的患者方面表现出卓越的表现.

关键词:
在这里,我们可以看到AIAIAI.人工智能的人工智能是人工智能.胸部 胸部 胸部 胸部 胸部胸部X射线 胸部X射线 胸部X射线胸部X射线图片 胸部X射线图片临床情况恶化.关键护理关键护理的关键护理数据数据的数据数据的数据.数据集数据集数据集深度学习是一种深度学习.恶化的恶化.住院治疗 住院治疗病人的病人的病人的病.预测 预测 预测 预测预测性 预测性 预测性射线图片 放射图片这是一个追溯的回顾.

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科学领域:

  • 医学成像分析分析 医学成像分析
  • 医疗保健中的人工智能
  • 临床信息学是一种临床信息学.

背景情况:

  • 早期发现临床恶化对于改善患者的治疗结果至关重要.
  • 目前的早期预警系统主要使用结构化数据,忽视了其他预测方式.
  • 胸部X射线图,通常在恶化期间进行,可以提供有价值的预测信息.

研究的目的:

  • 将各种计算机视觉模型和数据增强技术进行比较和验证,以预测使用胸部X射线图的临床恶化.
  • 评估不同深度学习架构在识别高风险患者中的有效性.

主要方法:

  • 成年患者的回顾性观察性研究,提升了早期预警分数 (eCART).
  • 包括在48小时内进行的胸部X射线扫描的患者.
  • 五种计算机视觉模型 (VGG16,DenseNet121,Vision Transformer,ResNet50,Inception V3) 和四种数据增强方法的比较.

主要成果:

  • 在胸部X射线图上预训练的DenseNet121模型,经过组图正常化和高斯噪声增强,实现了最高的预测歧视 (AUROC 0.734,AUPRC 0.414).
  • 视觉变压器模型显示了最低的歧视 (AUROC 0.598).

结论:

  • 胸部X射线图具有基于深度学习的临床恶化预测的巨大潜力.
  • 与其他架构相比,DenseNet121表现出卓越的性能.
  • 历史图规范化和随机高斯噪声增强可能会提高DenseNet121和VGG16.6的性能.