[Free-radical oxidation in patients with rheumatoid arthritis and anemia].

Antioxidant system was evaluated in 70 RA patients. When the latter had anemia, their antioxidant system underwent changes involving primarily levels of SH groups, peroxide hemolysis index and SOD activity. There appeared a correlation between the shifts in the antioxidant system, anemia severity the disease activity and disturbances in iron metabolism.