Vaccinated COVID-19 Patients Show Better Outcomes in Acute Kidney Injury Cases, Study Reveals

June 13, 2025
Vaccinated COVID-19 Patients Show Better Outcomes in Acute Kidney Injury Cases, Study Reveals
  • A recent study highlights the outcomes of vaccinated versus unvaccinated patients hospitalized with COVID-19, particularly focusing on those who developed acute kidney injury (AKI).

  • The research analyzed data from approximately 3,500 hospitalized COVID-19 patients between early March 2020 and the end of March 2022, with 972 of them experiencing AKI.

  • Among the AKI patients, 411 were unvaccinated while 467 had received at least two doses of Pfizer or Moderna vaccines or one dose of Johnson & Johnson.

  • Acute kidney injury is a significant complication in COVID-19 patients, occurring in up to 46% of cases and potentially leading to severe complications or long-term kidney function decline.

  • However, the study faced limitations, including missing baseline creatinine data and a lack of information regarding the severity of COVID-19 illness among the patients.

  • Despite these limitations, the study underscores the need for ongoing research to better understand the impacts of COVID-19 on kidney health and to improve management strategies, as emphasized by Dr. Nobakht.

  • This study is particularly timely as discussions around COVID-19 vaccinations are reigniting, especially following recent changes in vaccine recommendations by Health and Human Services Secretary Robert F. Kennedy Jr.

  • Findings indicated that vaccinated patients who developed AKI had better outcomes, experiencing lower risks of dialysis and death compared to their unvaccinated counterparts.

  • Specifically, 15.8% of unvaccinated patients required continuous renal replacement therapy (CRRT), compared to 10.9% of vaccinated patients.

Summary based on 6 sources


Get a daily email with more Science stories

More Stories