Acute Hyperbaric Oxygenation, Contrary to Intermittent Hyperbaric Oxygenation, Adversely Affects Vasorelaxation in Healthy Sprague-Dawley Rats due to Increased Oxidative Stress

Table 5

Antioxidant enzyme activities.

Experimental group	N	CAT (U/mg P)	GpX (U/mg P)	SOD (U/mg P)
CTRL	4	43.82 ± 7.34	0.16 ± 0.01	19.31 ± 0.34
A-HBO2	4	49.75 ± 2.58	0.14 ± 0.02	18.75 ± 0.32
24H-HBO2	4	57.80 ± 9.48	0.18 ± 0.02	18.89 ± 1.06
4D-HBO2	4	69.67 ± 4.54^†	0.48 ± 0.10^†‡	17.40 ± 0.25

Data are presented as . compared to CTRL; compared to A-HBO₂; and compared to 24H-HBO₂. P: protein; CAT: catalase; GpX: glutathione peroxidase; SOD: superoxide dismutase.