Brit J Hosp Med
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Despite initial reports, renal involvement, including acute kidney injury, has emerged as a serious complication of COVID-19 disease, particularly in critically ill patients. The reported prevalence varies considerably, which may reflect reporting practices, although differences in pre-existing comorbidities and socioeconomic factors, and differences between ethnic groups, almost certainly contribute. ⋯ Treatment is, in the main, supportive, with kidney replacement therapy required in nearly 25% of reported cases. Few data currently exist as to the long-term burden of COVID-19-associated acute kidney injury but evidence suggests that only approximately one-third of patients are discharged with recovered renal function.