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使用手持式超声波设备进行人工智能辅助的LVEF评估:对心脏磁共振成像进行单中心比较研究
Giovanni Bisignani1, Lorenzo Volpe1, Andrea Madeo1
1Cardiology Division, "G. Ferrari" Civil Hospital of Castrovillari, 87012 Cosenza, Italy.
Journal of clinical medicine
|July 12, 2025
概括
人工智能辅助的Kosmos超声波设备准确地测量了左心室喷射率 (LVEF),显示出与心磁共振 (CMR) 黄金标准的强烈一致. 这项技术对快速临床心脏评估充满希望.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 人工智能在医学中的应用
背景情况:
- 二维回声心脏图 (2D回声) 是评估左心室喷射率 (LVEF) 的标准.
- 心脏磁共振 (CMR) 是 LVEF 测量的黄金标准.
- 便携式,人工智能驱动的超声波设备需要根据既有方法进行验证.
研究的目的:
- 为了评估来自人工智能辅助的Kosmos手持式超声波设备的LVEF测量的准确性.
- 将Kosmos人工智能辅助的LVEF测量与黄金标准CMR进行比较.
- 评估人工智能驱动心声回声学在快速临床应用中的潜力.
主要方法:
- 预计将招募49名接受临床指导性CMR的成年患者.
- 基于AI的LVEF测量 (Kosmos) 与使用统计分析的CMR进行比较 (Wilcoxon,Pearson,回归,Bland-Altman).
- 使用STATA v18.0.0.进行的数据分析.
主要成果:
- 中位数LVEF:57% (CMR) 与55% (AI-Echo) 相比,没有显著差异 (p=0.51).
- 在AI-Echo和CMR LVEF之间存在强烈的相关性 (r=0.99).
- 与CMR相比,在AI-Echo LVEF测量中观察到的最小偏差 (1.1%).
结论:
- 基于AI的Kosmos自动EF算法与CMR衍生的LVEF表现出很好的一致性.
- 该设备的速度和自动化表明,在重症监护机构的临床评估中具有实用性.
- 需要在不同的队列中进一步验证,以确认全球通用性.
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