基于人工智能的慢动态回声心脏学和临床有用性的发展,用于评估区域墙壁运动异常
Yuki Sahashi1, Ryo Takeshita2, Takatomo Watanabe3,4
1Department of Cardiology, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu City, Gifu, Japan. sahashiyuuki@gmail.com.
The international journal of cardiovascular imaging
|November 8, 2023
概括
人工智能 (AI) 开发的慢动作心声回声学提高了图像可读性和医生之间的共识,以检测心肌缺血. 虽然没有显著提高诊断准确度,但这款人工智能工具可以提高运动压力心声学中的评估.
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:
- 对于心肌缺血的运动应激回声学 (ESE) 的诊断准确性受到医生的经验和图像质量的限制.
- 区域壁运动异常 (RWMA) 是心肌缺血的关键指标.
- 提高ESE诊断性能对于有效的患者管理至关重要.
研究的目的:
- 开发和评估基于人工智能的慢动态回声心脏成像技术,使用图像间插值.
- 评估人工智能增强的慢动作ESE用于检测RWMAs的临床有用性.
- 为了比较慢动画ESE与传统ESE的诊断准确度和图像可读性.
主要方法:
- 基于AI的回声心脏图像插曲管道使用光流计算创建.
- 处理了1334个心声回声录像视频,以生成各种时间步骤的慢动作序列.
- 四名心脏病学家在50名参与者中比较了慢动画和传统ESE之间的RWMA检测准确度和图像可读性.
主要成果:
- 慢动态回声心脏成像成功开发,使任意时间步骤的播放.
- RWMA检测准确度显示了数值的改善 (87.5%与81.0%相比),但在统计学上并不显著.
- 图像可读性显著改善 (p < 0.001),读者之间的一致性 (Fleiss's Kappa) 从 0.53 增加到 0.66.
结论:
- 基于人工智能的慢动态回声心脏学成功地通过图像插值来开发.
- 该方法增强了图像可读性和在检测RWMA时的互读器协议.
- 这种人工智能方法显示出在ESE中支持医生评估的潜力,尽管它没有显著提高诊断准确性.
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