Abstract
Objective Our objective was to evaluate the state of oxidative stress in the great saphenous varicose vein wall and blood of varicose vein patients taken from the antecubital vein. Methods The superoxide dismutase, reduced glutathione (GSH) and total antioxidant status were measured with commercially available colorimetric kits in erythrocytes, plasma and varicose vein wall of 65 patients (second degree of clinical state classification, etiology, anatomy and pathophysiology) aged 22-70 (49 women, 16 men) in comparison to normal great saphenous vein walls collected from 10 patients who underwent coronary artery bypass graft and blood collected from 20 healthy individuals. Results A statistically significant decrease (p < 0.001) in superoxide dismutase activity in erythrocytes and the increase (p < 0.05) in superoxide dismutase activity in varicose vein has been observed. There have been no significant changes in the concentration of GSH in plasma and in varicose vein. The decreased concentration of total antioxidant status in plasma (p < 0.001) and in varicose vein wall (p < 0.05) in comparison to the control has been noticed. Conclusion The varicose vein patients are affected by oxidative stress. Our results indicate impaired antioxidant defense mechanism in the blood of varicose vein patients. In contrast to the blood, an increased process of antioxidant defense in the varicose vein wall was noticed.
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