基于心电图的心力衰竭检测中机器学习算法的诊断准确性:系统性审查和元分析
Mustafa Eray Kilic1, Mehmet Emin Arayici2, Oguz Akbilgic3
1Department of Cardiology, Faculty of Medicine, Dokuz Eylül University, İzmir, Türkiye.
The Canadian journal of cardiology
|December 19, 2025
概括
应用于心电图 (ECG) 的人工智能 (AI) 显示出用于检测心力衰竭 (HF) 的前景. 性能因心力衰竭的定义和喷射率值而异,需要标准化的终点来实现可靠的AI-ECG.
科学领域:
- 心脏病学 心脏病学
- 人工智能的人工智能
- 医学诊断 医学诊断 医学诊断
背景情况:
- 应用于心电图 (ECG) 的人工智能 (AI) 显示了心力衰竭 (HF) 检测的潜力.
- 现有研究报告异质性表现,经常将左心室缩功能障碍 (LVSD) 与HF的临床综合征混为一谈.
研究的目的:
- 系统地审查和元分析AI-ECG用于检测HF和LVSD的诊断准确性.
- 调查影响AI-ECG性能的因素,包括目标定义和射出分数 (EF) 值.
主要方法:
- 按照PRISMA-DTA指导方针对40个独特患者队列进行系统审查和元分析.
- 层次的双变量建模来合成诊断准确性,与分层和多值分析EF异质性.
- 进行元回归分析,检查外部验证,领先配置和AI模型架构等共变量.
主要成果:
- 主要分析显示,聚合灵敏度为85.9%,特异性为80.9% (HSROC AUC = 0.902).
- 性能根据目标状况 (LVSD与临床HF) 和EF值的定义而有显著差异.
- 12导电心电图和卷积神经网络架构与更高的特异性相关 (分别为p=0.003和p=0.024).
- 对高频分类模型的二次分析得出了96.2%的综合灵敏度和92.1%的特异性.
结论:
- AI-ECG显示了对HF和LVSD的显著但可变的诊断性能.
- 准确的实施需要仔细考虑目标条件定义,EF值和方法因素.
- 标准化的终点对于临床实践中可靠和可重复的AI-ECG应用至关重要.
相关概念视频
Heart Failure IV: Classification and Diagnostic Evaluation
293
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...
293
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
Dysrhythmias V: Evaluating Dysrhythmias
311
Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
311
Pathophysiology of Heart Failure
2.7K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
2.7K
Acute Coronary Syndrome III: Diagnostic Studies
197
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...
197


