The relation between tissue doppler imaging and the severity of coronary artery stenosis in patients undergoing coronary angiography

Document Type : original articles

Authors

1 Department of Cardiology, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran

2 Student Research Committee, Urmia University of Medical Sciences, Urmia, Iran

3 Cardiovascular Research Center, Tabriz University of Medical Science, Tabriz, Iran

4 Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran

Abstract

Objectives: Early detection of local dysfunction in patients suspected of coronary artery disease (CAD) is usually performed using Tissue Doppler Imaging (TDI). The present study investigated the relationship between TDI and the severity of coronary artery stenosis in hospitalized patients with suspected CAD.
 
Methods: The present study is a descriptive-analytical study. The research population was 200 patients hospitalized in Seyyed al-Shohada Hospital, Urmia University of Medical Sciences, undergoing coronary angiography between 2013 and 2018. The patients were divided into three groups- mild, moderate, and severe. All patients underwent echocardiography and color TD. Myocardial performance index (TIE index) was evaluated using Doppler echo. Logistic regression analysis was used to investigate the effect of tissue Doppler indices on the degree of coronary artery involvement. SPSS version 22 software was used for statistical analysis.
 
Results: A total of 200 patients, 113 (56.5%) males, were investigated. The age range of participants was between 25 to 78 years. Left ventricular systolic and diastolic function indices and mean velocity E in the three groups were 0.73 ± 0.158, 0.68 ± 0.134, and 0.64 ± 0.145, respectively (P = 0.025). The average velocity A, the average ratio E/A, the MP index, the average velocity e, and the average ratio E/e had significant differences in all the three groups.
 
Conclusions: Due to the significant correlation between numerous left ventricular functional indices, TDI can be used as a non-invasive tool in evaluating coronary arteries.

Keywords

References

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Cardiovascular Biomedicine
Volume 3, Issue 2
December 2023
Pages 25-30

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History

  • Receive Date: 20 July 2023
  • Revise Date: 30 December 2023
  • Accept Date: 10 January 2024

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