Treadmill stress testing in asymptomatic subjects with coronary risk factors
Journal Title: Medpulse International Journal of Medicine - Year 2019, Vol 9, Issue 2
Abstract
Background: Coronary artery disease (CAD) is the commonest form of clinical heart disease beyond the age of 40 years. Maximal treadmill stress testing has been used by some investigators to detect latent subclinical myocardial ischemia due to CAD. Aim: To find out the incidence of latent coronary artery disease in asymptomatic subjects over the age of 40 years with coronary risk factors by treadmill stress test. Material and Methods: The present study included 70 asymptomatic subjects over the age of 40 years with different coronary risk factors like hypertension, diabetes mellitus, obesity, hypercholesterolemia and heavy smoking, were studied for the presence of latent coronary artery (CAD) by treadmill stress test. Results: The incidence of positive treadmill stress test in subjects having single risk factor was 15.38%, while it was 25% with two risk factors and it was 48.27% with more than two risk factors. Out of 23 subjects whose treadmill stress test was positive, the maximum number of cases i.e. 43.47% had changes of ischemic response appearing in stage 11 (6 min) of exercise while 26.10% had changes appearing in stage I (3 min).Conclusion: Treadmill stress test can pick up coronary artery disease when resting ECG is normal. It is a non-invasive, reliable and a very safe method for detection of latent CAD.
Authors and Affiliations
S V Birajdar, Vishal S Lede
Keywords
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- EP ID EP463673
- DOI 10.26611/10219211
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