Key result
Moderate hypoxia significantly elevated mean pulmonary ventilation by 7.3% (from 23.33 to 25.47 L/min) and decelerated heart rate kinetics during sinusoidal walking compared to normoxia.
Why the study?
Does treadmill walking under moderate hypoxia alter the kinetics of cardiac, ventilatory, and gas exchange variables compared to normoxia in healthy young adults?
RCT (n=13)
Randomized crossover
No
Does treadmill walking under moderate hypoxia alter the kinetics of cardiac, ventilatory, and gas exchange variables compared to normoxia in healthy young adults?
Absolute Event Rate: 25.47% vs 23.33%
p-value: p=<0.05
Moderate hypoxia during walking increases overall energy expenditure and ventilation while specifically decelerating heart rate kinetics without altering ventilatory kinetics.
No takes yet. Share an insight, caveat, or question.
May warrant monitoring ventilatory demand during hypoxic walking; leaves open effects in patients with cardiopulmonary disease.
Ebine et al. (2018) conducted an RCT in Healthy (n=13). Moderate hypoxia vs. Normoxia (20.9% FiO2) was evaluated on Mean pulmonary ventilation (Mx of VE) (p=<0.05). Moderate hypoxia significantly elevated mean pulmonary ventilation by 7.3% (from 23.33 to 25.47 L/min) and decelerated heart rate kinetics during sinusoidal walking compared to normoxia.
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