The Effect of an Olympic Distance Triathlon on Pulmonary Diffusing Capacity and its Recovery 24 Hours Later
Autor: | Olivier Galy, Olivier Hue, A. Boussana, Daniel Le Gallais |
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Přispěvatelé: | Laboratoire Interdisciplinaire de recherches en éducation (LIRE), Université de la Nouvelle-Calédonie (UNC) |
Jazyk: | angličtina |
Rok vydání: | 2021 |
Předmět: |
medicine.medical_specialty
business.industry [SHS.EDU]Humanities and Social Sciences/Education [SDV]Life Sciences [q-bio] Pulmonary Diffusing Capacity multi-sport activities combined sport pulmonary function Physical Therapy Sports Therapy and Rehabilitation respiratory system Section II - Exercise Physiology & Sports Medicine Physiology (medical) Internal medicine [SDV.MHEP.PHY]Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO] Cardiology medicine [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie athletic performance business [SDV.AEN]Life Sciences [q-bio]/Food and Nutrition |
Zdroj: | Journal of Human Kinetics Journal of Human Kinetics, De Gruyter, 2021, 80 (1), pp.83-92. ⟨10.2478/hukin-2021-0108⟩ |
ISSN: | 1899-7562 1640-5544 |
Popis: | The Olympic distance triathlon includes maximal exercise bouts with transitions between the activities. This study investigated the effect of an Olympic distance triathlon (1.5-km swim, 40-km bike, 10-km run) on pulmonary diffusion capacity (DLCO). In nine male triathletes (age: 24 ± 4.7 years), we measured DLCO and calculated the DLCO to alveolar volume ratio (DLCO/VA) and performed spirometry testing before a triathlon (pre-T), 2 hours after the race (post-T), and the day following the race (post-T-24 h). DLCO was measured using the 9-s breath-holding method. We found that (1) DLCO decreased significantly between pre- and post-T values (38.52 ± 5.44 vs. 35.92 ± 6.63 ml∙min-1∙mmHg-1) (p < 0.01) and returned to baseline at post-T-24 h (38.52 ± 5.44 vs. 37.24 ± 6.76 ml∙min-1∙mmHg-1, p > 0.05); (2) DLCO/VA was similar at the pre-, post- and post-T-24 h DLCO comparisons; and (3) forced expiratory volume in the first second (FEV1) and mean forced expiratory flow during the middle half of vital capacity (FEF25-75%) significantly decreased between pre- and post-T and between pre- and post-T-24-h (p < 0.02). In conclusion, a significant reduction in DLCO and DLCO/VA 2 hours after the triathlon suggests the presence of pulmonary interstitial oedema. Both values returned to baseline 24 hours after the race, which reflects possible mild and transient pulmonary oedema with minimal physiological significance. |
Databáze: | OpenAIRE |
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