Coronavirus disease 2019 ( COVID -19) has been declared a pandemic due to its global spread.
The goal is to determine the characteristics of clinical and laboratory disorders and evaluate the effectiveness of a complex method of treating children with acute pyelonephritis that developed against the background of Covid -19.
Material and methods research. 65 patients were observed, including 30 children with AP without a history of Covid -19 and 35 patients with AP due to Covid -19, aged from 4 to 18 years.
Results and discussion. of the study. Since patients with AP had varying degrees of process activity, 12 (40%) children without a history of Covid -19 and 35 (100%) patients with a history of Covid -19 had a III degree of activity of the inflammatory process. and in patients with AP who did not have a history of Covid -19, stage II activity was noted. Conclusions. In patients who had Covid -19, there was a high percentage of tubulointerstitial kidney damage (acute pyelonephritis (49%)) of viral etiology (77%). The cost-effectiveness of the combination therapy method was 31%.