DOI: https://doi.org/10.22141/2224-0586.4.91.2018.137866

Glutoxim as a modulator of glutathione redox state in septic patients with encephalopathy

Yu.Yu. Kobeliatsky, L.O. Maltseva, M.F. Mosentsev, V.M. Lisnycha

Abstract


Background. Sepsis is defined now as a life-threatening organ dysfunction caused by dysregulated host response to infection (Sepsis-3). One of the potential pathway for managing dysregulated host response to infection is modulation of glutathione redox state by means of glutoxim. In our country, glutoxim registered as a drug for immunological correction. Reduced glutathione is considered to be one of the most important scavenger of reactive oxygen species and its ratio with oxidized glutathione may be used as a marker of oxidative stress. The aim of this study was to evaluate the ability of glutoxim as a modulator of glutathione redox state to induce the good clinical effects and improve the quality of life in septic patients with encephalopathy. Materials and methods. A prospective, randomized cohort study was conducted in 30 patients with sepsis and septic shock, who received glutoxim 60 mg/day (group 2), and 30 persons, who did not (group 1 — control). The plasma concentration of lactate, clearance of lactate, saturation of central venous blood (ScvO2), the signs of organ dysfunction were evaluated using Sequential Organ Failure Assessment (SOFA). To detect the signs of septic encephalopathy and to evaluate the quality of life, we used: Confusion Assessment Method for the Intensive Care Unit, Cognitive Failure Questionnaire and Rancho Los Amigos Scale. Post-sepsis syndrome was analyzed as a condition that affects sepsis survivors with physical and psychological effects. Results. Mortality in the intensive care units was almost similar (in the glutoxim group — 20 vs 30 % in control group; p > 0.05). Proportion of patients with persistent organ dysfunction by day 5 was significantly smaller in group 2 (SOFA — 1.66 ± 0.39 vs 2.33 ± 0.79 in group 1; p = 0.043). Clearance of lactate was significantly higher in group 2 (0.632 ± 0.093 mmol/l/day vs 0.35 ± 0.064 mmol/l/day in group 1; p = 0.018). Lactate kinetics (a balance between lactate production and elimination) combined with ScvO2 was used as a resuscitation parameter (83.6 ± 4.7 % vs 70.6 ± 3.1 % in both groups; p = 0.028). Cognitive impairments was identified in 16 patients in group 2 vs 19 in group 1; p = 0.043. Symptoms of post-sepsis syndrome, such as insomnia, sleep disorders (16 vs 19; p = 0.093), concomitant muscle and joint pains (13 vs 18; p = 0.016), persistent organ dysfunction (5 vs 11; p = 0.024), low self-esteem (9 vs 15; p = 0.021), depression (10 vs 16, p = 0.015), were much less frequent in the glutoxim group. Consequently, about 50 % of sepsis survivors experience either short- or long-term cognitive and physical problems during their recovery period, which are collectively termed as post-sepsis syndrome. The difficulties may include physical, psychological and mental issues and reduced health-related quality of life in septic patients. Conclusions. Based on the results of this study, the use of glutoxim may be suggested as adjunctive therapy in septic patients with encephalopathy to reduce increased risk of post-sepsis syndrome.


Keywords


glutoxim; glutathione; sepsis; septic encephalopathy; post-sepsis syndrome

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