对深度学习算法的外部验证,用于自动回声心脏图谱应变测量
Peder L Myhre1,2, Chung-Lieh Hung3,4, Matthew J Frost5
1Division of Medicine, Akershus University Hospital, Lørenskog, Norway.
European heart journal. Digital health
|January 24, 2024
概括
深度学习 (DL) 算法准确地解释回声心脏图像应变图像,以评估心脏功能. 这项技术可以使心脏应变测量实现民主化,减少全球回声实验室的成本和时间.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 人工智能的人工智能
背景情况:
- 心声应变成像评估心肌变形,为心脏功能和壁运动异常提供了敏感的见解.
- 深度学习 (DL) 提供了一个机会,可以自动化复杂的心声波应变成像的复杂解释.
研究的目的:
- 开发和验证基于DL的算法,用于自动化左心室 (LV) 应变测量.
- 评估自动GLS和区域应变在识别心力衰竭 (HF) 和区域壁运动异常方面的准确性.
主要方法:
- 在内部数据集上开发和训练了一种自动化的DL算法.
- 全球纵向菌株 (GLS) 在台湾队列和PROMIS-HFpEF研究中得到了外部验证.
- 在怀疑心肌梗塞患者的HMC-QU-MI研究中验证了区域性菌株.
主要成果:
- DL工作流成功地分析了所有队列 (89-98%) 的高百分比研究.
- 自动GLS在台湾队列 (R=0.84) 和PROMIS-HFpEF (R=0.76) 中与手动测量有很好的一致性.
- 自动GLS准确地识别了HF (AUC=0.89) 和区域菌株识别的壁运动异常 (AUC=0.80).
结论:
- DL算法可以以与传统方法相比的准确性解释回声心脏图像的应变图像.
- 该研究强调了DL在民主化心脏应变测量方面的潜力,减少了心声回声实验室的全球成本和时间.
相关概念视频
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