Key result
Submaximal measurements of the oxygen uptake efficiency slope (OUES) at 90% exercise duration agreed closely with maximal OUES (limits of agreement -5.0% to +6.0%), demonstrating robustness to exercise intensity.
Why the study?
Do submaximal exercise testing measurements accurately estimate maximal OUES and VE/VCO2 slope in patients with coronary artery disease?
Population
58 patients with angiographically diagnosed stable coronary artery disease, mean age 60, 52 male. Excluded…
Comparison
Submaximal cardiopulmonary exercise testing… vs Maximal cardiopulmonary exercise testing…
Design
Cross-sectional
Authors
Loading...
Submaximal OUES at 90% may estimate maximal values in CAD; leaves open VE/VCO2 slope utility and requires prospective validation.
Cross-Sectional (n=58)
No
Do submaximal exercise testing measurements accurately estimate maximal OUES and VE/VCO2 slope in patients with coronary artery disease?
Absolute Event Rate: 2158% vs 2147%
p-value: p=0.98
The oxygen uptake efficiency slope (OUES) is robust to exercise intensity and can be reliably calculated from submaximal exercise data, unlike the VE/VCO2 slope which is systematically underestimated.
Baba et al. (2010) conducted a cross-sectional in Coronary artery disease (n=58). Submaximal exercise duration vs. Maximal exercise duration was evaluated on Oxygen uptake efficiency slope (OUES) (p=0.98). Submaximal measurements of the oxygen uptake efficiency slope (OUES) at 90% exercise duration agreed closely with maximal OUES (limits of agreement -5.0% to +6.0%), demonstrating robustness to exercise intensity.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: