We studied the state of the LPO-antioxidant defense system in men aged from 46 to 55 years. The main group included patients with obstructive sleep breathing disorders. The state of the antioxidant defense system was assessed by measuring the blood levels of LPO substrates with conjugated double bonds, conjugated dienes, ketodienes and conjugated trienes, MDA, retinol, α-tocopherol, reduced and oxidized glutathione, SOD activity, and the level of total antioxidant activity of blood. Calculation of antioxidant potential helps to identify the processes of "oxidative stress" in the main group, which is a pathogenetic substantiation for including antioxidant drugs in the complex therapy of patients with OSBD.
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