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The aim. Determine hemodynamic status and its impact on oxygen transport, frequency of adverse events and outcomes in patients with severe SARS-CoV-2 associated with acute respiratory distress syndrome (ARDS). Materials and methods. A single-center prospective comparative study was conducted with 29 patients enrolled over the period of July—October 2020 who suffered a severe course of coronavirus disease and bilateral pneumonia associated with ARDS. Based on the estimated cardiac index (CI), patients were allocated to two groups: Group 1 included 14 patients with severe ARDS and CI 1.9 [1.5–2.5] L/min/m2, whereas Group 2 included 15 patients with CI 4.2 [3.2–8.1] L/min/m2 (p=0.001). Patient`s intensive care was regulated by the relevant orders of the Ministry of Health of Ukraine. Statistical analysis of the results was carried out using Statistica 10 software. Statistical significance of parameters was assessed using the non-parametric Wilcoxon criterion. Results were considered significant at p values <0.05. Data are presented as M [25–75]. Relative risk (RR) and odds ratio (OR) of adverse events were calculated. Results. The severe course of coronavirus disease is associated with significant oxygen transport disorders that increase with hypovolemia. Despite the increase in oxygen delivery in the group with normal CI its high tissue extraction remained, which may be a sign of development mitochondrial distress. Conclusions. Patients admitted to the ICU with severe COVID-19 may be in a state of hypovolemia and require individual assessment of hemodynamic status and the appointment of infusion therapy. Increased oxygen delivery in patients with normal cardiac index was associated with decreased adverse events rate and statistically significant decrease of mortality rate

eureka, health sciences/eureka, health sciences.

CENTRAL HEMODYNAMICS AND OXYGEN TRANSPORT IN PATIENTS WITH ACUTE RESPIRATORY DISTRESS SYNDROME CAUSED BY COVID-19 AND THEIR IMPACT ON THE COURSE AND OUTCOMES OF THE DISEASE