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- W2805084098 abstract "PURPOSE: Although V[Combining Dot Above]O2max is considered the gold standard measure of cardiorespiratory fitness, it can be difficult to attain in patients with cardiovascular disease (CVD). The submaximal oxygen uptake efficiency slope (OUES) integrates cardiovascular, musculoskeletal and respiratory function during incremental exercise into a single index and has been proposed as an alternative and effort independent measure of cardiopulmonary reserve (Baba et al., 1996). The purpose of this study was to examine the relation between V[Combining Dot Above]O2 peak and both submaximal absolute OUES and relative OUES (OUES/kg). METHODS: A total of 42 men ((mean ± SD) age, 59.9 ± 8.7 yr; V[Combining Dot Above]O2peak, 1.9 ± 0.5 L/min and 22.3 ± 6.1 mL/kg/min) were recruited during induction to a community based exercise referral program following completion of a phase 2 cardiac rehabilitation. Participants performed a graded exercise test on a cycle ergometer with breath-by-breath open circuit spirometry and a 12- lead ECG. Absolute OUES and OUES/kg were calculated by plotting V[Combining Dot Above]O2 in mL/min on the x-axis, and the log transformed VE on the y-axis (V[Combining Dot Above]O2 = a log 10 VE + b). Exercise data up to the ventilatory anaerobic threshold (VAT) was included in the analysis. RESULTS: The %V[Combining Dot Above]O2 max corresponding to the VAT was 56.0 ± 10.3. Absolute OUES and OUES/kg were 2114 ± 515 and 24.5 ± 5.48, respectively. There was a significant positive correlation between V[Combining Dot Above]O2max (L/min) and OUES (r= 0.78; p<0.001) and between V[Combining Dot Above]O2max (mL/kg/min) and OUES/kg (r= 0.80; p<0.001). CONCLUSION: Determination of V[Combining Dot Above]O2max is not often feasible in individuals with CVD where maximal exercise testing is contraindicated or when performance may be impaired by pain, dyspnea or angina. The findings from the present study indicate that the OUES and OUES/kg are significantly related to absolute and relative V[Combining Dot Above]O2max, respectively and may be used as a valid submaximal effort independent measure of CRF. Baba, R. (1996). Oxygen Uptake Efficiency Slope : A New Index of Cardiorespiratory ., Functional Reserve Derived From the Relation Between Oxygen Uptake and Minute Ventilation During Incremental Exercise. Measurement, (6)." @default.
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- W2805084098 date "2018-05-01" @default.
- W2805084098 modified "2023-09-27" @default.
- W2805084098 title "Submaximal Oxygen Uptake Efficiency Slope as a Predictor of V[Combining Dot Above]O2max in Men with Cardiovascular Disease" @default.
- W2805084098 doi "https://doi.org/10.1249/01.mss.0000536249.28409.73" @default.
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