增强胸部放射学人工智能模型与心电图,以改善低射出小部分的检测
Masataka Sato1, Satoshi Kodera1, Shogo Hamano1
1Department of Cardiovascular Medicine, The University of Tokyo Hospital.
International heart journal
|October 1, 2025
概括
结合用于胸部放射 (CXR) 和心电图 (ECG) 的人工智能模型,可以显著改善低射出小部分 (EF) 的检测. 这种融合方法可以提高心脏病的诊断准确度,通常需要回声心脏图.
科学领域:
- 心脏病学 心脏病学
- 人工智能的人工智能
- 医疗成像医学成像
背景情况:
- 低射出分数 (EF) 检测传统上依赖于跨胸腔心声图 (TTE).
- 人工智能 (AI) 模型显示了使用胸部放射 (CXR) 检测EF的潜力.
- 结合CXR和心电图 (ECG) AI模型用于EF检测的疗效尚未得到充分证实.
研究的目的:
- 评估单个AI模型 (CXR,ECG) 和联合聚变策略的性能,以检测低EF.
- 将早期和晚期融合方法进行比较,以集成CXR和ECGAI模型.
- 为了确定AI模型融合是否在CXR单独检测低EF时有所改善.
主要方法:
- 利用了7246名接受CXR,ECG和TTE的患者的数据.
- 采用两种不同的AI模型进行心电图分析:卷积神经网络和面具自动编码器.
- 实施早期融合 (同时培训) 和晚期融合 (整体技术) 策略,以结合CXR和ECG模型.
主要成果:
- 只有CXR的AI模型实现了0.798.8的曲线下的面积 (AUC).
- 早期和晚期的融合模型都显著超过了CXR-only模型.
- 早期的核聚变模型实现了0.937的AUC (P=0.015),而后期的核聚变模型实现了0.928的AUC (P=0.010).
结论:
- 结合CXR和ECG的AI模型,显著提高了低EF的检测性能.
- 这种综合的人工智能方法提供了一种更准确的方法来识别患有减少喷射率的患者.
- 这些发现表明,心脏病的潜在非侵入性查工具,减少对TTE的依赖.
相关概念视频
Imaging Studies for Cardiovascular System III: X-Ray
466
The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
466
Acute Coronary Syndrome III: Diagnostic Studies
215
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
215
Imaging Studies for Cardiovascular System I:Echocardiography
725
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,...
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
725
Imaging Studies for Cardiovascular System II:Types of Echocardiography
631
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...
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...
631
Electrocardiogram
5.4K
An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
5.4K
Imaging Studies for Cardiovascular System V: CT
284
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
284


