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. 2021 Dec 22;7(3):601-609.
doi: 10.1016/j.ekir.2021.12.021. eCollection 2022 Mar.

Risk Factors for Acute Kidney Injury and Death in Patients Infected With the Yellow Fever Virus During the 2018 Outbreak in São Paulo, Brazil

Márcia Fernanda Arantes  1 , Victor Faria Seabra  1 , Paulo Ricardo Gessolo Lins  1 , Camila Eleuterio Rodrigues  1 , Bernardo Vergara Reichert  1 , Marcelo Augusto Duarte Silveira  1 , Ho Yeh Li  2 , Luiz Marcelo Malbouisson  3 , Lúcia Andrade  1
Affiliations

Risk Factors for Acute Kidney Injury and Death in Patients Infected With the Yellow Fever Virus During the 2018 Outbreak in São Paulo, Brazil

Márcia Fernanda Arantes et al. Kidney Int Rep. .

Abstract

Introduction: There have been few studies investigating acute kidney injury (AKI) in patients with yellow fever (YF). The objective of this study was to identify the risk factors for AKI and death in such patients.

Methods: We evaluated 95 consecutive critically ill adult patients with the sylvatic form of YF, as confirmed by reverse-transcriptase polymerase chain reaction, in Brazil. The outcome measures were AKI (as defined by Kidney Disease: Improving Global Outcomes [KDIGO] criteria) and in-hospital death.

Results: Of the 95 patients, 73 (76.8%) had AKI and 59 (62.1%) died from it. A total of 70 patients (73.7%) required dialysis because of AKI. After adjusting for age, sex, and the Simplified Acute Physiology Score 3 (SAPS 3), we found that elevated fractional excretion of sodium and requiring dialysis were independent risk factors for in-hospital mortality and that proteinuria correlated with AKI-associated mortality.

Conclusion: Our findings indicate that, in patients with sylvatic YF, AKI is common and is associated with significant mortality. The data presented here could prove useful for improving understanding of the pathogenesis of AKI in YF and informing decisions regarding the care of the affected patients.

Keywords: acute kidney injury; hospital mortality; renal dialysis; yellow fever.

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