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Published in: Journal of Nephrology 5/2021

01-10-2021 | Acute Kidney Injury | Original Article

Paracetamol use and lowered risk of acute kidney injury in patients with rhabdomyolysis

Authors: Maxime Desgrouas, Thierry Boulain

Published in: Journal of Nephrology | Issue 5/2021

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Abstract

Background

Mortality with rhabdomyolysis-associated acute kidney injury can be as high as 80%. Experimental data from mouse models of rhabdomyolysis showed that paracetamol reduces the expected increase in serum creatinine level. We aimed to assess the association between paracetamol use and the need for starting renal replacement therapy (RRT).

Methods

We conducted a propensity score-matched cohort study in Orléans Hospital, France (a 1136-bed, public, university-affiliated and teaching hospital). All patients with serum creatine phosphokinase (CK) level > 5000 IU/L between January 1st, 2008 and December 31st, 2017 were included. A propensity score was calculated for each included patient by using multivariable logistic regression and all available baseline characteristics. The main outcome was the incidence of RRT initiation from day 1 to day 28 in the propensity score-matched cohort between patients exposed and unexposed to paracetamol.

Results

Over the study period, 1065 patients with at least one CK level measurement > 5000 IU/L were included; 40 (3.8%) had at least one RRT session. Among the 343 matched pairs, 10 (2.9%) exposed and 24 (7.0%) unexposed patients underwent RRT before day 28 (P = 0.021). Primary time-to-event analysis showed that exposure to paracetamol was significantly associated with reduced absolute risk of RRT: absolute risk difference = − 3.18% (95% CI − 5.23 to − 1.20, P = 0.001). All secondary analyses showed a significantly reduced absolute risk of RRT in patients exposed to paracetamol.

Conclusion

Our study showed a significant association between paracetamol exposure and reduced incidence of RRT among patients with rhabdomyolysis.

Graphic abstract

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Literature
Metadata
Title
Paracetamol use and lowered risk of acute kidney injury in patients with rhabdomyolysis
Authors
Maxime Desgrouas
Thierry Boulain
Publication date
01-10-2021
Publisher
Springer International Publishing
Published in
Journal of Nephrology / Issue 5/2021
Print ISSN: 1121-8428
Electronic ISSN: 1724-6059
DOI
https://doi.org/10.1007/s40620-020-00950-7

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