TOTAL ANTIOXIDANT ACTIVITY AND MANGANESE SUPEROXIDE DISMUTASE IN COMORBIDITY OF GASTROESOPHAGEAL REFLUX DISEASE AND AUTOIMMUNE THYROIDITIS IN STUDENT POPULATION

Abstract

The aim: To determine the state of total antioxidant activity and the content of the mitochondrial enzyme - manganese superoxide dismutase in students with gastroesophageal reflux disease (GERD) and autoimmune thyroiditis (AIT) comorbidity. Materials and methods: 120 patients with GERD and AIT, 45 patients with GERD and 42 patients with AIT were examined. The patients involved in the study were students. The international standardized GerdQ questionnaire was used. Total antioxidant activity and manganese superoxide dismutase levels were determined. Results: The study showed that comorbidity of GERD and AIT was accompanied with a significant increase in the frequency and intensity of heartburn, sleep disorders and the use of additional medications to relieve symptoms. Patients with GERD and AIT had significantly lower total antioxidant activity than patients with isolated GERD and isolated AIT. At the same time, the manganese superoxide dismutase level was significantly higher in group with comorbidity than in patients with isolated diseases. Conclusions: The presence of concomitant AIT in patients with GERD among the student population contributes to some deviations in the clinical characteristics, inhibition of total antioxidant activity and activation of manganese superoxide dismutase.