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Original Research

Med Arch. 2011; 65(3): 140-144


The Role of Dobutamine Stress Echocardiography in Detecting Coronary Artery Disease Compared With Coronary Angiography

Nabil Naser, Marko Buksa, Sekib Sokolovic, Enisa Hodzic.


Abstract

Background: Ischemic heart disease (IHD) causes more deaths, disability and economic loss in developed and developing countries than any other disease. Our country belongs to the group of countries in transition, and it has seen a continuous growth in mortality and morbidity rates caused by cardiovascular diseases. An early, accurate and fast diagnosis of the myocardial ischemia is the main step toward reducing patient morbidity and mortality, and hospital costs. It also reduces prolonged diagnostic observation, defines the strategy of approach and etiological treatment in order to prevent serious complications. Objectives: The aim of this study is to examine the occurrence of segmental wall motion abnormalities during pharmacological stress and measurement of coronary flow reserve in order to establish the diagnostic value of Dobutamine stress echocardiography in detecting and assessing the degree of myocardial ischemia and coronary stenosis in patients with suspected coronary artery disease, and to justify its wider application as a non-invasive diagnostic method. Methods: The research study covered 86 adult subjects of both genders, referred to dobutamine stress echocardiography test and assessment of coronary flow reserve as part of their cardiological evaluation. Results: The study results obtained indicate a high degree of sensitivity (97%), specificity (83%) and accuracy (95%) of the dobutamine stress echocardiography as a non-invasive diagnostic method compared to invasive diagnostics i.e. coronary angiography. Measurement of coronary flow reserve represents a strong diagnostic and prognostic tool in evaluation patients with suspected CAD. Conclusions: The Dobutamine stress echocardiography (DES) has come a long way as a diagnostic tool, from detecting myocardial ischemia, viability, and prognostics to problems underlying the coronary artery diseases. The safety and cost-effectiveness of the Dobutamine stress echocardiography as a diagnostic procedure has been proved. In modern cardiology, the DSE occupies a significant place in the evaluation of patients with known or suspected coronary artery disease, which has contributed to its accessibility and availability in a great number of centers.

Key words: Dobutamine, Stress Echocardiography, Coronary flow reserve, Coronary angiography.






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