Below or all the way to the peak? Oxygen uptake efficiency slope as the index of cardiorespiratory response to exercise—the NOODLE study
Background: The ratio of oxygen uptake (VO2) to minute ventilation (VE) is described as the oxygen uptake efficiency slope (OUES). OUES has been suggested as a valuable submaximal cardiorespiratory index; however, its characteristics in endurance athletes remain unknown. In this study, we a) investi...
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| Format: | Article |
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Frontiers Media S.A.
2024-01-01
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| Series: | Frontiers in Physiology |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fphys.2024.1348307/full |
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| author | Przemysław Kasiak Przemysław Kasiak Tomasz Kowalski Kinga Rębiś Andrzej Klusiewicz Michał Starczewski Maria Ładyga Szczepan Wiecha Marcin Barylski Adam Rafał Poliwczak Piotr Wierzbiński Artur Mamcarz Daniel Śliż |
| author_facet | Przemysław Kasiak Przemysław Kasiak Tomasz Kowalski Kinga Rębiś Andrzej Klusiewicz Michał Starczewski Maria Ładyga Szczepan Wiecha Marcin Barylski Adam Rafał Poliwczak Piotr Wierzbiński Artur Mamcarz Daniel Śliż |
| author_sort | Przemysław Kasiak |
| collection | DOAJ |
| description | Background: The ratio of oxygen uptake (VO2) to minute ventilation (VE) is described as the oxygen uptake efficiency slope (OUES). OUES has been suggested as a valuable submaximal cardiorespiratory index; however, its characteristics in endurance athletes remain unknown. In this study, we a) investigated OUES between different time intervals, b) assessed their prediction power for VO2peak, and c) derived new prediction equations for OUES tailored for well-trained individuals.Materials and Methods: A total of 77 male (age = 21.4 ± 4.8 yrs; BMI = 22.1 ± 1.6 kg·m−2; peak oxygen uptake = 4.40 ± 0.64 L·min−1) and 63 female individuals (age = 23.4 ± 4.3 yrs; BMI = 23.1 ± 1.6 kg·m−2; peak oxygen uptake = 3.21 ± 0.48 L·min−1) underwent the cycling cardiopulmonary exercise test. OUES was measured at 75%, 90%, and 100% of exercise duration. Prediction power and new models were derived with the multiple linear regression method.Results: In male subjects, OUES [mL·min−1/L·min−1] from 75% = 4.53 ± 0.90, from 90% = 4.52 ± 0.91, and from 100% = 4.41 ± 0.87. In female subjects, OUES [mL·min−1/L·min−1] from 75% = 3.50 ± 0.65, from 90% = 3.49 ± 0.62, and from 100% = 3.41 ± 0.58. OUES did not differ between time intervals in male (p = 0.65) and female individuals (p = 0.69). OUES strongly predicts peak VO2 independently from the measuring interval (β = 0.71–0.80; R2 = 0.50–0.63). The prediction model designed for elite athletes was OUES [mL·min−1/L·min−1] = −1.54 + 2.99; BSA [m2]—0.0014; (age [in years]; sex [1 = male, 2 = female]) (R2 = 0.36).Conclusion: OUES enables an accurate prediction of peak cardiorespiratory fitness in elite endurance athletes. OUES is a feasible alternative to maximal exercise testing. A new prediction equation should be used for highly trained individuals. Physicians should understand OUES physiology to properly assess the cardiorespiratory response to exercise in athletic cohorts. |
| first_indexed | 2024-03-08T11:28:54Z |
| format | Article |
| id | doaj.art-433569cf71374c33b28ab154a31c04bd |
| institution | Directory Open Access Journal |
| issn | 1664-042X |
| language | English |
| last_indexed | 2024-03-08T11:28:54Z |
| publishDate | 2024-01-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Physiology |
| spelling | doaj.art-433569cf71374c33b28ab154a31c04bd2024-01-26T04:38:31ZengFrontiers Media S.A.Frontiers in Physiology1664-042X2024-01-011510.3389/fphys.2024.13483071348307Below or all the way to the peak? Oxygen uptake efficiency slope as the index of cardiorespiratory response to exercise—the NOODLE studyPrzemysław Kasiak0Przemysław Kasiak1Tomasz Kowalski2Kinga Rębiś3Andrzej Klusiewicz4Michał Starczewski5Maria Ładyga6Szczepan Wiecha7Marcin Barylski8Adam Rafał Poliwczak9Piotr Wierzbiński10Artur Mamcarz11Daniel Śliż123rd Department of Internal Medicine and Cardiology, Medical University of Warsaw, Warsaw, PolandDoctoral School, Medical University of Warsaw, Warsaw, PolandDepartment of Physiology, Institute of Sport—National Research Institute, Warsaw, PolandDepartment of Physiology, Institute of Sport—National Research Institute, Warsaw, PolandDepartment of Physiology, Institute of Sport—National Research Institute, Warsaw, PolandFaculty of Rehabilitation, Jozef Pilsudski University of Physical Education in Warsaw, Warsaw, PolandDepartment of Physiology, Institute of Sport—National Research Institute, Warsaw, PolandFaculty of Physical Education and Health, Jozef Pilsudski University of Physical Education in Warsaw, Branch in Biala Podlaska, Biała Podlaska, PolandDepartment of Internal Medicine and Cardiac Rehabilitation, Medical University of Lodz, Łódź, PolandDepartment of Internal Medicine and Cardiac Rehabilitation, Medical University of Lodz, Łódź, Poland3rd Department of Internal Medicine and Cardiology, Medical University of Warsaw, Warsaw, Poland3rd Department of Internal Medicine and Cardiology, Medical University of Warsaw, Warsaw, Poland3rd Department of Internal Medicine and Cardiology, Medical University of Warsaw, Warsaw, PolandBackground: The ratio of oxygen uptake (VO2) to minute ventilation (VE) is described as the oxygen uptake efficiency slope (OUES). OUES has been suggested as a valuable submaximal cardiorespiratory index; however, its characteristics in endurance athletes remain unknown. In this study, we a) investigated OUES between different time intervals, b) assessed their prediction power for VO2peak, and c) derived new prediction equations for OUES tailored for well-trained individuals.Materials and Methods: A total of 77 male (age = 21.4 ± 4.8 yrs; BMI = 22.1 ± 1.6 kg·m−2; peak oxygen uptake = 4.40 ± 0.64 L·min−1) and 63 female individuals (age = 23.4 ± 4.3 yrs; BMI = 23.1 ± 1.6 kg·m−2; peak oxygen uptake = 3.21 ± 0.48 L·min−1) underwent the cycling cardiopulmonary exercise test. OUES was measured at 75%, 90%, and 100% of exercise duration. Prediction power and new models were derived with the multiple linear regression method.Results: In male subjects, OUES [mL·min−1/L·min−1] from 75% = 4.53 ± 0.90, from 90% = 4.52 ± 0.91, and from 100% = 4.41 ± 0.87. In female subjects, OUES [mL·min−1/L·min−1] from 75% = 3.50 ± 0.65, from 90% = 3.49 ± 0.62, and from 100% = 3.41 ± 0.58. OUES did not differ between time intervals in male (p = 0.65) and female individuals (p = 0.69). OUES strongly predicts peak VO2 independently from the measuring interval (β = 0.71–0.80; R2 = 0.50–0.63). The prediction model designed for elite athletes was OUES [mL·min−1/L·min−1] = −1.54 + 2.99; BSA [m2]—0.0014; (age [in years]; sex [1 = male, 2 = female]) (R2 = 0.36).Conclusion: OUES enables an accurate prediction of peak cardiorespiratory fitness in elite endurance athletes. OUES is a feasible alternative to maximal exercise testing. A new prediction equation should be used for highly trained individuals. Physicians should understand OUES physiology to properly assess the cardiorespiratory response to exercise in athletic cohorts.https://www.frontiersin.org/articles/10.3389/fphys.2024.1348307/fullcardiopulmonary exercise testendurance athletesexercise physiologyoxygen uptake efficiency slopeprediction equation |
| spellingShingle | Przemysław Kasiak Przemysław Kasiak Tomasz Kowalski Kinga Rębiś Andrzej Klusiewicz Michał Starczewski Maria Ładyga Szczepan Wiecha Marcin Barylski Adam Rafał Poliwczak Piotr Wierzbiński Artur Mamcarz Daniel Śliż Below or all the way to the peak? Oxygen uptake efficiency slope as the index of cardiorespiratory response to exercise—the NOODLE study Frontiers in Physiology cardiopulmonary exercise test endurance athletes exercise physiology oxygen uptake efficiency slope prediction equation |
| title | Below or all the way to the peak? Oxygen uptake efficiency slope as the index of cardiorespiratory response to exercise—the NOODLE study |
| title_full | Below or all the way to the peak? Oxygen uptake efficiency slope as the index of cardiorespiratory response to exercise—the NOODLE study |
| title_fullStr | Below or all the way to the peak? Oxygen uptake efficiency slope as the index of cardiorespiratory response to exercise—the NOODLE study |
| title_full_unstemmed | Below or all the way to the peak? Oxygen uptake efficiency slope as the index of cardiorespiratory response to exercise—the NOODLE study |
| title_short | Below or all the way to the peak? Oxygen uptake efficiency slope as the index of cardiorespiratory response to exercise—the NOODLE study |
| title_sort | below or all the way to the peak oxygen uptake efficiency slope as the index of cardiorespiratory response to exercise the noodle study |
| topic | cardiopulmonary exercise test endurance athletes exercise physiology oxygen uptake efficiency slope prediction equation |
| url | https://www.frontiersin.org/articles/10.3389/fphys.2024.1348307/full |
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