[Mortality in patients with COVID-19 and acute kidney injury on hemodialysis].

Background: A high in-hospital mortality has been identified in patients with COVID-19 who develop acute kidney injury, particularly in those who received renal replacement therapy. In our country there are few studies up until now that report the proportion of deaths in this group of patients. Objective: To identify the proportion of deaths in patients with COVID-19 who developed acute kidney injury and required hemodialysis. Material and methods: an observational, descriptive, cross-sectional, retrospective study was carried out and the total population was studied. It included patients over 18 years of age who required dialysis, who received one or more sessions of conventional hemodialysis. The data were obtained from the electronic file and the registry of the hemodialysis unit. For the descriptive analysis, measures of central tendency were used and the proportion of deaths in patients with COVID-19 was calculated. Results: The study population was made up of 40 patients; the proportion of deaths was 86.1%. The average number of days elapsed from admission to the development of acute kidney injury and dialysis requirement was 5.2 days and the average number of hemodialysis sessions received was 1.7 sessions. Conclusions: In this study it was documented a high proportion of deaths in patients with COVID-19 who developed acute kidney injury and required renal replacement therapy, which coincides with similar studies reported internationally.