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Chinese Journal of Heart and Heart Rhythm(Electronic Edition) ›› 2023, Vol. 11 ›› Issue (01): 18-23. doi: 10.3877/cma.j.issn.2095-6568.2023.01.004

• Artificial Intelligence · Big Data • Previous Articles     Next Articles

Use of an artificial intelligence-enabled electrocardiogram for screening people without coronary heart disease

Shaohua Guo1, Shijia Geng2, Shenda Hong3, Guanyu Mu1, Yizhi Zhang4, Lei Yang5, Tong Liu1, Kangyin Chen6,()   

  1. 1. Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, the Second Hospital of Tianjin Medical University, Tianjin Institute of Cardiology, Tianjin 300211, China
    2. Heart Voice Medical Technology, Hefei 230088, China
    3. National Institute of Health and Medical Big Data, Peking University, Beijing 100191, China
    4. Xiamen Changgung Hospital, Department of Cardiology, Xiamen 361028, China
    5. Tianjin Third Central Hospital, Department of Cardiology, Tianjin 300170, China
    6. The School of Precision Instrument and Opto-electronic Engineering, Tianjin University, Tianjin 300072, China
  • Received:2023-01-31 Online:2023-03-25 Published:2023-04-13
  • Contact: Kangyin Chen

Abstract:

Objective

To explore the application of artificial intelligence-assisted electrocardiograms (ECG) to identify patients without coronary heart disease (coronary artery stenosis < 50%).

Methods

Patients with suspected coronary heart disease and who underwent coronary angiography during hospitalization were enrolled. The ECG data set was established based on standard 12-lead ECG. The ECG was labeled as a group without coronary disease and a control group according to whether the main coronary artery or its main branches were narrowed by less than 50% in diameter. A deep neural network model was established by training ECG to identify patients without coronary heart disease.

Results

A total of 4 489 ECG medical records were included, of which 4 187 were used for model construction and 302 were used for external verification of the model. The area under curve (AUC) value, sensitivity, and specificity of the model were 0.70, 0.701, 0.630, and 0.469 respectively. The AUC value of external validation was 0.55, sensitivity 0.359, specificity 0.784, and F1 score 0.373.

Conclusion

The artificial intelligence model based on ECG can identify patients without coronary heart disease in patients with suspected coronary heart disease, which has certain clinical application value.

Key words: Artificial intelligence, Electrocardiogram, Without coronary heart disease, Coronary heart disease, Deep learning

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