基于机器学习的心力衰竭查,使用心电图和心声图的综合特征:中国的一项多中心研究
Junjie Bian1,2, Kok-Han Chee3, Chengyu Liu4
1Institute of Tibetan Medicine, University of Tibetan Medicine, Lhasa, China.
Frontiers in cardiovascular medicine
|December 8, 2025
概括
一个新的基于人工智能的算法使用心电图和心电图数据准确地选心力衰竭 (HF). 这种工具有助于早期检测和干预HF患者.
科学领域:
- 生物医学工程 生物医学工程
- 人工智能在医学中的应用
- 心脏病学 心脏病学
背景情况:
- 心力衰竭 (HF) 是一个严重的健康挑战,预后不佳.
- 对于早期HF查来说,迫切需要可访问和精确的方法.
- 开发了一种基于人工智能的新型声心电图算法 (AI-PECG).
研究的目的:
- 验证AI-PECG算法的有效性,用于早期检测心力衰竭.
- 评估机器学习模型在使用临床,心电图 (PCG) 和心电图 (ECG) 参数识别高频率时的性能.
主要方法:
- 一项涉及1017人的多中心研究,分为培训 (80%) 和验证 (20%) 队列.
- 使用最小绝对收缩和选择操作员 (LASSO) 进行特征选择,并进行交叉验证.
- 五种机器学习算法的比较 (逻辑回归,随机森林,极端梯度增强,CatBoost,天真贝叶斯) 用于HF分类.
主要成果:
- 在训练组中,CatBoost模型实现了0.998的曲线下的面积 (AUC).
- 在CatBoost模型中观察到高灵敏度 (0.989) 和特异性 (0.989).
- 确定的主要预测因素包括EMAT,淋巴细胞计数,LVST,CRP和血小板计数.
结论:
- 整合通用,心电图和PCG数据的机器学习模型在HF检测方面表现出强的表现.
- 人工智能-PECG算法显示出作为早期HF查的有价值工具的潜力.
- 早期识别有助于对心力衰竭患者及时进行临床干预.
更多相关视频
05:03Patient Directed Recording of a Bipolar Three-Lead Electrocardiogram using a Smartwatch with ECG Function
Published on: December 11, 2019
9.0K
05:16Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure
Published on: June 10, 2025
505
相关概念视频
Heart Failure IV: Classification and Diagnostic Evaluation
295
Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
295
Holter Monitor: 24-Hour Monitoring
1.9K
Holter monitoring is a continuous electrocardiography (ECG) recording that tracks the heart's electrical activity over an extended period, generally 24 to 48 hours. This noninvasive diagnostic tool detects irregular heart rhythms that may not be captured during a standard ECG performed in a clinical setting.DeviceThe Holter monitor is a portable, small device connected to several electrodes on the patient's chest. These electrodes detect the heart's electrical signals and transmit them to the...
1.9K
Pulse rhythm
1.3K
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
1.3K
Electrocardiogram
5.3K
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...
5.3K
