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使用人工智能在心声回声学中改善左心室射出小部分的评估:与心脏磁共振成像进行比较分析
Krunoslav Michael Sveric1, Stefan Ulbrich1, Zouhir Dindane1
1Department of Internal Medicine and Cardiology, Herzzentrum Dresden, Technische Universität Dresden, Fetscherstr. 76, Dresden 01307, Germany.
International journal of cardiology
|September 27, 2023
概括
一种用于心声回声 (Echo) 的新型人工智能 (AI) 工具显示了改善左心室喷射率 (LVEF) 测量的潜力. 这种人工智能减少了操作员的变化,与标准方法相比,提供了更准确,更可靠的LVEF结果.
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:
- 使用修改双平面辛普森 (MBS) 方法通过回声心脏学 (Echo) 测量左心室喷射分数 (LVEF) 是取决于操作者和可变的.
- 心脏磁共振成像 (CMR) 是LVEF评估的参考标准.
研究的目的:
- 评估一种全新的,全自动化的人工智能 (AI) 系统在心声学中进行LVEF计算的准确性.
- 将人工智能驱动的LVEF测量与标准MBS方法和CMR参考进行比较.
主要方法:
- 301名连续的患者在同一天接受了CMR和回声.
- 使用自动化AI (自动回声),MBS-Echo和CMR独立测量LVEF.
- 进行了观察者间和测试复试可变性分析.
主要成果:
- 自动回声和MBS回声与CMR (R=0.89) 和彼此 (R=0.93) 显示出高相关性.
- 自动回声在各种LVEF范围内显示出较少的偏差和更好的CMR一致性,特别是在LVEF减少或图像质量差的患者中.
- 与MBS-Echo.相比,人工智能显著降低了观察者间的变化 (相关系数1.00比<0.91) 和测试-重新测试变化 (2.5%比7.9%).
结论:
- 经过测试的AI系统有可能提高心声回声学的临床效用.
- 人工智能驱动的LVEF评估可以减少与用户相关的变化,并提供比MBS方法更准确,更可靠的结果.
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