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[Echocardiographic test of dipyridamole in recognition of coronary artery disease]
A Spring1, M Jurga, J Haczyński
1Katedry i Kliniki Kardiologii, Wrocławiu.
Insights
Dipyridamole stress echocardiography is a safe and effective tool for detecting coronary artery disease. This diagnostic method demonstrated higher sensitivity and specificity compared to exercise electrocardiography in patients with chest pain.
Area of Science:
- Cardiology
- Diagnostic Imaging
- Non-invasive Cardiac Testing
Context:
- Coronary artery disease (CAD) diagnosis often relies on non-invasive methods.
- Effort chest pain is a common symptom prompting cardiac evaluation.
- Exercise electrocardiography has limitations in diagnosing CAD.
Purpose:
- To evaluate the feasibility, safety, and diagnostic utility of dipyridamole stress echocardiography.
- To compare the performance of dipyridamole stress echocardiography with exercise electrocardiography.
- To assess dipyridamole stress echocardiography's accuracy in detecting coronary artery disease.
Summary:
- 194 patients with effort chest pain underwent dipyridamole stress echocardiography and exercise electrocardiography.
- Dipyridamole stress echocardiography showed 85.0% sensitivity and 91.7% specificity in detecting CAD.
- These results were superior to exercise electrocardiography, with the test being well-tolerated and feasible.
Impact:
- Dipyridamole stress echocardiography offers a reliable, non-invasive approach for diagnosing coronary artery disease.
- This technique provides higher diagnostic accuracy than traditional exercise electrocardiography.
- The findings support the clinical use of dipyridamole stress echocardiography in patients presenting with chest pain.
Abstract:
To assess the feasibility, safety and usefulness of dipyridamole stress echocardiography for the detection of coronary artery disease we evaluated 194 patients (124 men, 70 women) with effort chest pain. All patients underwent electrocardiographic submaximal bicycle exercise testing and 2-dimensional echocardiography after dipyridamole injection. Echocardiographic test was considered positive when new wall motion abnormalities were observed after dipyridamole i.v. injection (0.56 mg/kg b.m.). Sensitivity and specificity of electrocardiographic exercise test and dipyridamole stress echocardiography were assessed in 37 persons who underwent selective coronary angiography. The sensitivity and specificity of dipyridamole stress echocardiography, were respectively 85.0% and 91.7% and were higher than those of exercise electrocardiography. 2-dimensional echocardiography after dipyridamole injection is a well tolerated, feasible and effective test in the diagnosis of coronary artery disease.