Key result
Dipyridamole stress echocardiography yielded higher specificity than exercise ECG for diagnosing coronary artery disease in hypertensive patients with right bundle branch block (89% vs 50%, P=0.0006).
Why the study?
Does dipyridamole stress echocardiography improve diagnostic accuracy for coronary artery disease compared to exercise electrocardiography in patients with chest pain and right bundle branch block?
Population
71 patients with chest pain of unknown origin and complete right bundle branch block.
Comparison
Dipyridamole stress echocardiography vs Exercise electrocardiography
Design
Cross-sectional, Tests performed in random order
Authors
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May support preferring dipyridamole stress echocardiography in hypertensive patients with right bundle branch block; leaves open prospective validation.
Cross-Sectional (n=71)
Random order of tests
Does dipyridamole stress echocardiography improve diagnostic accuracy for coronary artery disease compared to exercise electrocardiography in patients with chest pain and right bundle branch block?
Absolute Event Rate: 89% vs 50%
p-value: p=0.0006
Dipyridamole stress echocardiography provides superior diagnostic specificity compared to exercise electrocardiography in hypertensive patients with right bundle branch block and chest pain.
Cortigiani et al. (2003) conducted a cross-sectional in Chest pain with right bundle branch block (n=71). Dipyridamole stress echocardiography vs. Exercise electrocardiography was evaluated on Specificity for diagnosing significant coronary artery disease in hypertensive patients (p=0.0006). Dipyridamole stress echocardiography yielded higher specificity than exercise ECG for diagnosing coronary artery disease in hypertensive patients with right bundle branch block (89% vs 50%, P=0.0006).
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