Effects of Exercise Training under Hyperbaric Oxygen on Oxidative Stress Markers and Endurance Performance in Young Soccer Players: A Pilot Study
Table 3
Acid-base balance immediately before (pre) and after (post) training session of 3 weeks of hyperbaric hyperoxia (HH) and normobaric normoxia (NN) endurance training.
Baseline
15th session
Pre-post ES (90% CI)
Rating
NN
PCO2 (mmHg)
Pre
−0.1 (−1.1/0.8)
Unclear
Post
−0.3 (−1.3/0.6)
Unclear
PO2 (mmHg)
Pre
−0.3 (−1.2/0.7)
Unclear
Post
0.2 (−0.7/1.2)
Unclear
pH
Pre
0.5 (−0.4/1.5)
Unclear
Post
−0.1 (−1.1/0.8)
Unclear
Base excess (mmol/L)
Pre
−0.1 (−1.1/0.8)
Unclear
Post
−
−
−0.2 (−1.1/0.8)
Unclear
Bicarbonate (mmol/L)
Pre
−0.1 (−1.1/0.8)
Unclear
Post
−0.3 (−1.2/0.7)
Unclear
Lactate (mmol/L)
Pre
0.6 (−0.4/1.6)
Unclear
Post
−0.3 (−1.2/0.7)
Unclear
HH
PCO2 (mmHg)
Pre
0.0 (−0.9/1.0)
Unclear
Post
0.1 (−0.9/1.0)
Unclear
PO2 (mmHg)
Pre
−0.6 (−1.6/0.4)
Unclear
Post
−0.3 (−1.3/0.6)
Unclear
pH
Pre
0.0 (−0.9/0.9)
Unclear
Post
−1.0 (−2.1/0.0)
Unclear
Base excess (mmol/L)
Pre
0.0 (−0.9/0.9)
Unclear
Post
0.0 (−0.9/1.0)
Unclear
Bicarbonate (mmol/L)
Pre
0.0 (−0.9/0.9)
Unclear
Post
0.0 (−1.0/0.9)
Unclear
Lactate (mmol/L)
Pre
−0.7 (−1.7/0.2)
Unclear
Post
−0.7 (−1.7/0.2)
Unclear
Data is shown as mean ± S.D. denotes statistical difference with the pre value (). α denotes statistical difference with the HH group (). PCO2 and PO2 = partial pressure of carbon dioxide and oxygen, respectively. Pre: resting condition. Post: immediately postexercise levels.
