The significance of a subjective factor in interpreting echocardiographic studies (stress echocardiography)

DOI: https://doi.org/10.29296/25877305-2021-04-08
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Issue: 
4
Year: 
2021

R. Litvinenko, Candidate of Medical Sciences; T. Sveklina, Candidate of Medical Sciences;
Professor A. Kuchmin, MD; Professor A. Kulikov, MD; Associate Professor A. Kazachenko, Candidate of Medical
Sciences; Associate Professor E. Smirnova, Candidate of Medical Sciences Propaedeutics of Internal Diseases
Clinic, S.M. Kirov Military Medical Academy, Saint Petersburg

Objective. To estimate the value of a subjective factor in interpreting stress echocardiography (stress EchoCG). Subjects and methods. A total of 112 patients preliminarily diagnosed with coronary heart disease (CHD) were examined. All the patients underwent exercise stress echocardiography and a quantitative assay to assess local kinetic disorders using 2D strain. The investigation was analyzed by different expert groups. Results. When the results of stress echocardiography were assessed by two experts, the sensitivity, specificity, positive and negative prognostic value, as well as the accuracy of the method increased. When the findings were assessed using 2D strain, the sensitivity, specificity, and overall accuracy of the investigation results proved to be lower than those in the visual assessment of the test. Conclusion. The investigation is recommended to be conducted by two experts, by basing not only on echocardiography. The quantitative method for assessing local kinetic disorders using 2D strain does not exceed the results of the traditional visual assessment of stress EchoCG data.

Keywords: 
cardiology
stress echocardiography
coronary heart disease
2D-strain
expert analysis



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