CASE REPORT
Acute tubulointerstitial nephritis in 10-year-old boy following severe acute respiratory syndrome coronavirus 2 infection
1
Department of Pediatric Nephrology, Medical University of Lublin, Poland
2
Student’s Scientific Group at the Department of Pediatric Nephrology, Medical University of Lublin, Poland
Submission date: 2021-04-02
Final revision date: 2021-05-08
Acceptance date: 2021-06-04
Publication date: 2021-12-09
Pediatr Pol 2021;96(4):281-284
KEYWORDS
TOPICS
ABSTRACT
The COVID-19 pandemic caused by coronavirus SARS-CoV-2 is currently a main public health problem worldwide. The clinical symptoms relate primarily to the respiratory system but may also involve multiple organs. The course of COVID-19 in children is usually mild, but in some cases may cause late complications, particularly the pediatric inflammatory multisystem syndrome (PIMS-TS). One of its symptoms may be acute kidney injury.
We present a 10-year-old boy who developed nonspecific symptoms a few weeks after mild COVID-19, including weakness, weight loss, and polyuria. Clinical evaluation revealed acute renal failure secondary to acute tubulointerstitial nephritis (ATIN). Treatment with glucocorticoids resulted in rapid clinical and laboratory improvement. We hypothesize that the development of ATIN could be causally related to COVID-19 in an immune pathomechanism similar to PIMS-TS. The case provides new insights into possible complications of SARS-CoV-2 infection and indicates the need for renal follow-up after COVID-19.
We present a 10-year-old boy who developed nonspecific symptoms a few weeks after mild COVID-19, including weakness, weight loss, and polyuria. Clinical evaluation revealed acute renal failure secondary to acute tubulointerstitial nephritis (ATIN). Treatment with glucocorticoids resulted in rapid clinical and laboratory improvement. We hypothesize that the development of ATIN could be causally related to COVID-19 in an immune pathomechanism similar to PIMS-TS. The case provides new insights into possible complications of SARS-CoV-2 infection and indicates the need for renal follow-up after COVID-19.
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