https://pubmed.ncbi.nlm.nih.gov/35294747/
Moreover, growing evidence suggests a decline in renal function in the 6-to-12-month follow-up period even in patients without any signs of AKI during the acute phase.
https://www.thelancet.com/journals/ebiom/article/PIIS2352-3964(22)00006-8/fulltext
AKI at acute phase of COVID-19 was closely related to the longitudinal decline and post-acute status of kidney function at nearly one-year after symptom onset. Earlier and more intense follow-up strategies on kidney function management could be beneficial to COVID-19 survivors.