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- W2954362602 abstract "Cardiopulmonary exercise testing (CPX) has emerged as a useful tool in assessing disease severity and prognosis in clinical populations. Yet, little is known about the trainability of specific variables, aside from cardiorespiratory fitness (CRF), particularly in apparently healthy individuals. PURPOSE: The purpose of this study was to evaluate the changes in oxygen consumption at ventilatory threshold (VO2 at VT), oxygen uptake efficiency slope (OUES), ventilatory power (VP; systolic blood pressure/VE/VCO2 slope) and circulatory power (CP; peak SBP x VO2max) which is a surrogate for cardiac power in apparently healthy adults following an exercise program. METHODS: Participants (n=79, 34 males/45 females, age 51.3±1.5 years, body mass index 29.0±0.7 kg/m2) performed a maximal VO2max test before and after ~6 months of exercise training to determine VO2 at VT, OUES, CP, and VP. Statistical analysis used were matched paired t-tests. RESULTS: VO2 at VT (ml/kg/min) increased in the total sample (Pre: 19.8± 0.4 vs. Post: 20.7± 0.4, p=0.001), males (Pre: 20.7± 0.7 vs. Post: 22.3±0.8, p=0.0024), and females (Pre: 16.9±0.6 vs. Post: 18.5±0.8, p=0.0003). CP (ml/kg/min∙mmHg) increased in the total sample (Pre: 5428.9±136.0 vs. Post: 5655.6±123.4, p=0.001), males (Pre: 5790.1±294.7 vs. Post: 6254.0±243.3, p=0.0142), and females (Pre: 4130.0±175.5 vs. Post: 4808.6±197.5, p=0.001). OUES increased in males only (Pre: 2.3±0.1 vs. Post: 2.5± 0.1, p=0.0013). VP (mmHg) did not increase in any group. CONCLUSION: VO2 at VT and CP can be altered with exercise training, independent of sex, while the adaptability of OUES appears to be sex-specific. Additionally, VP is not influenced by exercise training. Future research should explore the sex-specific response of CPX-variables to exercise training." @default.
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- W2954362602 date "2019-06-01" @default.
- W2954362602 modified "2023-09-27" @default.
- W2954362602 title "Influence of an Exercise Program on Cardiopulmonary Exercise Testing Derived Variables" @default.
- W2954362602 doi "https://doi.org/10.1249/01.mss.0000561384.02692.b0" @default.
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