Sex differences in exercise‐induced arterial hypoxemia and pulmonary edema following high‐intensity exercise in highly trained endurance athletes

Abstract This study investigated sex differences in the development of pulmonary edema and exercise‐induced arterial hypoxemia (EIAH) in well‐trained endurance athletes during near‐maximal exercise in a real‐world setting. Twenty participants (10M vs. 10F; V̇O2peak: 69.3 (8.8) vs. 50.7 (4.1) ml∙kg−1...

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Main Authors: Alanna S. Hind, Reid A. Mitchell, Olivia N. Ferguson, Morgan Flynn, Satvir S. Dhillon, Karine Badra, Kathryn M. Milne, Danilo Iannetta, Michael S. Koehle, Jordan A. Guenette
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Physiological Reports
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Online Access:https://doi.org/10.14814/phy2.70190
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author Alanna S. Hind
Reid A. Mitchell
Olivia N. Ferguson
Morgan Flynn
Satvir S. Dhillon
Karine Badra
Kathryn M. Milne
Danilo Iannetta
Michael S. Koehle
Jordan A. Guenette
author_facet Alanna S. Hind
Reid A. Mitchell
Olivia N. Ferguson
Morgan Flynn
Satvir S. Dhillon
Karine Badra
Kathryn M. Milne
Danilo Iannetta
Michael S. Koehle
Jordan A. Guenette
author_sort Alanna S. Hind
collection DOAJ
description Abstract This study investigated sex differences in the development of pulmonary edema and exercise‐induced arterial hypoxemia (EIAH) in well‐trained endurance athletes during near‐maximal exercise in a real‐world setting. Twenty participants (10M vs. 10F; V̇O2peak: 69.3 (8.8) vs. 50.7 (4.1) ml∙kg−1∙min−1) underwent a maximal incremental treadmill test (visit 1) and a time trial on a steep trail (~2.5 km, ~800 m elevation gain) in North Vancouver (visit 2). Pulmonary edema was evaluated using handheld lung ultrasound ~10–15 min post‐exercise and oxygen saturation (SpO2) was monitored using finger pulse oximetry. Males completed the time trial significantly faster than females (M: 31.5 (6.5) vs. F: 40.4 (7.5) min, p = 0.006), while females sustained a higher percentage of their visit 1 heart rate (M: 94 (1) vs. F: 96 (1) %max, p = 0.02). All participants developed EIAH, with no sex differences in end‐exercise SpO2 (M: 89 (4) % vs. F: 90 (3) %, respectively, p = 0.35). There was no evidence of pulmonary edema, assessed through ultrasound b‐line scores, with no differences between sexes (M: 0.3 (1.0) vs. F: 0.5 (1.5), respectively, p = 0.60). Pulmonary edema is an unlikely contributor to EIAH in endurance athletes performing near‐maximal time trial exercise in a real‐world setting.
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spelling doaj-art-e6829d46a08a48c7863f10947ca4295f2025-01-15T13:36:31ZengWileyPhysiological Reports2051-817X2025-01-01131n/an/a10.14814/phy2.70190Sex differences in exercise‐induced arterial hypoxemia and pulmonary edema following high‐intensity exercise in highly trained endurance athletesAlanna S. Hind0Reid A. Mitchell1Olivia N. Ferguson2Morgan Flynn3Satvir S. Dhillon4Karine Badra5Kathryn M. Milne6Danilo Iannetta7Michael S. Koehle8Jordan A. Guenette9Centre for Heart Lung Innovation The University of British Columbia (UBC) and St. Paul's Hospital (SPH) Vancouver British Columbia CanadaCentre for Heart Lung Innovation The University of British Columbia (UBC) and St. Paul's Hospital (SPH) Vancouver British Columbia CanadaCentre for Heart Lung Innovation The University of British Columbia (UBC) and St. Paul's Hospital (SPH) Vancouver British Columbia CanadaCentre for Heart Lung Innovation The University of British Columbia (UBC) and St. Paul's Hospital (SPH) Vancouver British Columbia CanadaCentre for Heart Lung Innovation The University of British Columbia (UBC) and St. Paul's Hospital (SPH) Vancouver British Columbia CanadaDepartment of Emergency Medicine SPH Vancouver British Columbia CanadaCentre for Heart Lung Innovation The University of British Columbia (UBC) and St. Paul's Hospital (SPH) Vancouver British Columbia CanadaDepartment of Anesthesiology, School of Medicine University of Utah Salt Lake City Utah USASchool of Kinesiology UBC Vancouver British Columbia CanadaCentre for Heart Lung Innovation The University of British Columbia (UBC) and St. Paul's Hospital (SPH) Vancouver British Columbia CanadaAbstract This study investigated sex differences in the development of pulmonary edema and exercise‐induced arterial hypoxemia (EIAH) in well‐trained endurance athletes during near‐maximal exercise in a real‐world setting. Twenty participants (10M vs. 10F; V̇O2peak: 69.3 (8.8) vs. 50.7 (4.1) ml∙kg−1∙min−1) underwent a maximal incremental treadmill test (visit 1) and a time trial on a steep trail (~2.5 km, ~800 m elevation gain) in North Vancouver (visit 2). Pulmonary edema was evaluated using handheld lung ultrasound ~10–15 min post‐exercise and oxygen saturation (SpO2) was monitored using finger pulse oximetry. Males completed the time trial significantly faster than females (M: 31.5 (6.5) vs. F: 40.4 (7.5) min, p = 0.006), while females sustained a higher percentage of their visit 1 heart rate (M: 94 (1) vs. F: 96 (1) %max, p = 0.02). All participants developed EIAH, with no sex differences in end‐exercise SpO2 (M: 89 (4) % vs. F: 90 (3) %, respectively, p = 0.35). There was no evidence of pulmonary edema, assessed through ultrasound b‐line scores, with no differences between sexes (M: 0.3 (1.0) vs. F: 0.5 (1.5), respectively, p = 0.60). Pulmonary edema is an unlikely contributor to EIAH in endurance athletes performing near‐maximal time trial exercise in a real‐world setting.https://doi.org/10.14814/phy2.70190arterial hypoxemiab‐linesexercise physiologypulmonary edemarespiratory physiologyultrasound
spellingShingle Alanna S. Hind
Reid A. Mitchell
Olivia N. Ferguson
Morgan Flynn
Satvir S. Dhillon
Karine Badra
Kathryn M. Milne
Danilo Iannetta
Michael S. Koehle
Jordan A. Guenette
Sex differences in exercise‐induced arterial hypoxemia and pulmonary edema following high‐intensity exercise in highly trained endurance athletes
Physiological Reports
arterial hypoxemia
b‐lines
exercise physiology
pulmonary edema
respiratory physiology
ultrasound
title Sex differences in exercise‐induced arterial hypoxemia and pulmonary edema following high‐intensity exercise in highly trained endurance athletes
title_full Sex differences in exercise‐induced arterial hypoxemia and pulmonary edema following high‐intensity exercise in highly trained endurance athletes
title_fullStr Sex differences in exercise‐induced arterial hypoxemia and pulmonary edema following high‐intensity exercise in highly trained endurance athletes
title_full_unstemmed Sex differences in exercise‐induced arterial hypoxemia and pulmonary edema following high‐intensity exercise in highly trained endurance athletes
title_short Sex differences in exercise‐induced arterial hypoxemia and pulmonary edema following high‐intensity exercise in highly trained endurance athletes
title_sort sex differences in exercise induced arterial hypoxemia and pulmonary edema following high intensity exercise in highly trained endurance athletes
topic arterial hypoxemia
b‐lines
exercise physiology
pulmonary edema
respiratory physiology
ultrasound
url https://doi.org/10.14814/phy2.70190
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