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The Impact of COVID-19 on Renal Function of Kidney Transplant Recipients: A Three-Month Prospective Study

R. D. Foresto1, H. Fagundes2, V. Lafico2, H. Tedesco Silva Junior2, M. P. Cristelli1, J. Pestana1

1Hospital do Rim, Sao Paulo, Brazil, 2Hospital do Rim, Universidade Federal de São Paulo, SAo Paulo, Brazil

Meeting: 2022 American Transplant Congress

Abstract number: 990

Keywords: COVID-19, Glomerular filtration rate (GFR), Kidney transplantation, Renal injury

Topic: Clinical Science » Infection Disease » 25 - Kidney Infectious Non-Polyoma & Non-Viral Hepatitis

Session Information

Session Name: Kidney Infectious Non-Polyoma & Non-Viral Hepatitis

Session Type: Poster Abstract

Date: Sunday, June 5, 2022

Session Time: 7:00pm-8:00pm

 Presentation Time: 7:00pm-8:00pm

Location: Hynes Halls C & D

*Purpose: This study aimed to assess changes in renal function during the acute disease and up to three months after the onset of symptoms among kidney transplant patients surviving COVID-19.

*Methods: This ongoing single-center observational prospective study included kidney transplant recipients diagnosed between March 2020 and May 2021 and who survived the first 28 days. Before diagnosis, baseline renal function was defined as the mean of the last 3 creatinines. The follow-up period was 3 months. We used a one-way ANOVA test to compare the mean eGFR in baseline, 28 days, and 3 months after COVID-19. The CKD-EPI equation was used to estimate GFR.

*Results: Among the 787 patients, the mean age was 48.5 years, 59.3% were male, and 68.0% were white. Comorbidities as hypertension, diabetes and cardiopathy were present in 70.4%, 25.3%, and 3.9%, respectively. The mean body mass index was 26.9 kg/m², and baseline GFR was 51,9 ± 20.1 ml/min/1.73m². Immunosuppression was reduced by 27.1% and suspended in 9.5% of cases. In 30.3% of the patients, acute kidney injury occurred, 7.8% needed dialysis support, and 2.5% had graft loss. There was a decline in renal function at 28 days (50.0 ± 22.1 ml/min/1.73m²; p<0.001) and 3 months (47.3 ± 21.0 ml/min/1.73m²; p<0.001) after COVID-19. Among the patients, 47.3% did not return to baseline eGFR values within three months and 19.9% had a reduction of at least 25% on renal function.

*Conclusions: COVID-19 does impact early renal function decline in KTR. These data reassure that KTR represent a group that benefits from early access to effective preventive strategies.

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To cite this abstract in AMA style:

Foresto RD, Fagundes H, Lafico V, Junior HTedescoSilva, Cristelli MP, Pestana J. The Impact of COVID-19 on Renal Function of Kidney Transplant Recipients: A Three-Month Prospective Study [abstract]. Am J Transplant. 2022; 22 (suppl 3). https://atcmeetingabstracts.com/abstract/the-impact-of-covid-19-on-renal-function-of-kidney-transplant-recipients-a-three-month-prospective-study/. Accessed May 28, 2025.

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