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对基于人工智能的系统进行评估,以对右心房压力进行心声回声估计
Ghada Zamzmi1, Li-Yueh Hsu2, Sivaramakrishnan Rajaraman1
1National Library of Medicine, National Institutes of Health, 8600 Rockville Pike, Bethesda, MD, 20894, USA.
The international journal of cardiovascular imaging
|September 8, 2023
概括
这项研究引入了人工智能系统,用于在心声回声学期间自动分析下腔静脉 (IVC),显著降低右心房压力 (RAP) 估计的变化. 人工智能表现出高精度,提高了诊断的一致性.
科学领域:
- 心血管成像 - 心血管成像
- 人工智能在医学中的应用
- 医学诊断 医学诊断 医学诊断
背景情况:
- 在心声学中使用下腔静脉 (IVC) 测量对右心房压 (RAP) 的非侵入性估计存在显著的评分器间变化.
- 这种变化源于观察者经验的差异,突出了对更标准化和客观的评估方法的需求.
- 目前的方法缺乏一致性,可能会影响心脏诊断的准确性.
研究的目的:
- 开发基于人工智能 (AI) 的全自动化系统,用于分析IVC维度和估计RAP.
- 为了降低与手动IVC分析和心声回声学中的RAP估计相关的分级间变异性.
- 为心脏诊断中常规临床使用提供可靠的工具.
主要方法:
- 开发了一个多阶段的AI系统,自动识别IVC视图,选择优质图像,划分IVC,并量化其直径和可折叠性.
- 该系统经过训练和验证,使用255名患者的手动测量,由专家临床医生提供参考数据.
- 使用皮尔森相关性,IVC指标的布兰德-阿尔特曼分析和RAP估计的宏精度/奇方测试来评估性能.
主要成果:
- 通过布兰德-阿尔特曼分析,AI系统与手动测量IVC值 (r=0.96) 和小偏差 (0.33mm) 取得了很好的一致性.
- 自动RAP估计显示出与手动推导的良好一致性,达到0.85.5的宏观准确性.
- 人工智能准确量化了IVC直径和可折叠性指数,这是RAP估计的关键参数.
结论:
- 拟议的基于人工智能的系统提供了一个强大的和自动化的解决方案,用于IVC分析和RAP估计在心声回声.
- 这项技术有可能显著减少观察者变异性,并提高心脏诊断程序的一致性.
- 自动化系统可以成为一个有价值的工具,支持常规心声回声和心脏诊断中的各种应用.
相关概念视频
Imaging Studies for Cardiovascular System I:Echocardiography
Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Imaging Studies for Cardiovascular System II:Types of Echocardiography
Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for diagnosing...
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for diagnosing...

