Why the study?
Does a second consecutive exertion improve central and coronary hemodynamics and reduce ischemia compared to the first exertion in patients with exertional angina?
Population
16 patients (15 male, mean age 61±4.3 years) with a positive exercise ECG and exertional angina.
Comparison
Second consecutive exertion using a supine cycle… vs First exertion using a supine cycle ergometer.
Design
Other
Authors
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Supports warm-up angina mechanisms in effort angina; leaves open whether repeated-exertion strategies alter clinical outcomes.
Does a second consecutive exertion improve central and coronary hemodynamics and reduce ischemia compared to the first exertion in patients with exertional angina?
Repeat exercise in patients with effort angina leads to synergistic changes in systemic and coronary circulations that improve vascular-ventricular coupling and myocardial perfusion, explaining the warm-up angina phenomenon.
Lockie et al. (2012) studied this question.
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