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Automatic classification of patients with myocardial infarction or myocarditis based only on clinical data: A quick response

Author

Listed:
  • Sheikh Shah Mohammad Motiur Rahman
  • Zhihao Chen
  • Alain Lalande
  • Thomas Decourselle
  • Alexandre Cochet
  • Thibaut Pommier
  • Yves Cottin
  • Michel Salomon
  • Raphaël Couturier

Abstract

Background: In acute cardiovascular disease management, the delay between the admission in a hospital emergency department and the assessment of the disease from a Delayed Enhancement cardiac MRI (DE-MRI) scan is one of the barriers for an immediate management of patients with suspected myocardial infarction or myocarditis. Objectives: This work targets patients who arrive at the hospital with chest pain and are suspected of having a myocardial infarction or a myocarditis. The main objective is to classify these patients based solely on clinical data in order to provide an early accurate diagnosis. Methods: Machine learning (ML) and ensemble approaches have been used to construct a framework to automatically classify the patients according to their clinical conditions. 10-fold cross-validation is used during the model’s training to avoid overfitting. Approaches such as Stratified, Over-sampling, Under-sampling, NearMiss, and SMOTE were tested in order to address the imbalance of the data (i.e. proportion of cases per pathology). The ground truth is provided by a DE-MRI exam (normal exam, myocarditis or myocardial infarction). Results: The stacked generalization technique with Over-sampling seems to be the best one providing more than 97% of accuracy corresponding to 11 wrong classifications among 537 cases. Generally speaking, ensemble classifiers such as Stacking provided the best prediction. The five most important features are troponin, age, tobacco, sex and FEVG calculated from echocardiography. Conclusion: Our study provides a reliable approach to classify the patients in emergency department between myocarditis, myocardial infarction or other patient condition from only clinical information, considering DE-MRI as ground-truth. Among the different machine learning and ensemble techniques tested, the stacked generalization technique is the best one providing an accuracy of 97.4%. This automatic classification could provide a quick answer before imaging exam such as cardiovascular MRI depending on the patient’s condition.

Suggested Citation

  • Sheikh Shah Mohammad Motiur Rahman & Zhihao Chen & Alain Lalande & Thomas Decourselle & Alexandre Cochet & Thibaut Pommier & Yves Cottin & Michel Salomon & Raphaël Couturier, 2023. "Automatic classification of patients with myocardial infarction or myocarditis based only on clinical data: A quick response," PLOS ONE, Public Library of Science, vol. 18(5), pages 1-18, May.
    • Handle: RePEc:plo:pone00:0285165
    DOI: 10.1371/journal.pone.0285165
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    References listed on IDEAS

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    1. Alain Lalande & Zhihao Chen & Thomas Decourselle & Abdul Qayyum & Thibaut Pommier & Luc Lorgis & Ezequiel de la Rosa & Alexandre Cochet & Yves Cottin & Dominique Ginhac & Michel Salomon & Raphaël Cout, 2020. "Emidec: A Database Usable for the Automatic Evaluation of Myocardial Infarction from Delayed-Enhancement Cardiac MRI," Data, MDPI, vol. 5(4), pages 1-8, September.
    2. Friedman, Jerome H., 2002. "Stochastic gradient boosting," Computational Statistics & Data Analysis, Elsevier, vol. 38(4), pages 367-378, February.
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