Daily urinary urea excretion to guide intermittent hemodialysis weaning in critically ill patients View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2016-12

AUTHORS

Julien Aniort, Ali Ait Hssain, Bruno Pereira, Elisabeth Coupez, Pierre Antoine Pioche, Christophe Leroy, Anne Elisabeth Heng, Bertrand Souweine, Alexandre Lautrette

ABSTRACT

BACKGROUND: There are no easily available markers of renal recovery to guide intermittent hemodialysis (IHD) weaning. The aim of this study was to identify markers for IHD weaning in critically ill patients with acute kidney injury (AKI). METHODS: We performed a retrospective single-center cohort study of patients treated with IHD for at least 7 days and four dialysis sessions for AKI between 2006 and 2011 in an intensive care unit (ICU) of a French university hospital. Blood and urinary markers were recorded on the day of the last IHD in the ICU for unweaned patients and 2 days after the last IHD for weaned patients. Factors associated with IHD weaning were identified by multiple logistic regression. The areas under the receiver operating characteristic curve (AUROC) and the characteristics of the best diagnostic thresholds were compared. RESULTS: Sixty-seven patients were analyzed, including thirty-seven IHD-weaned patients. Urine output [odds ratio (OR) 1.59, 95% confidence interval (CI) 1.20-2.10 (per ml/kg/24 h increase); P = 0.01] and urinary urea concentration [OR 1.29, 95% CI 1.01-1.64 (per 10 mmol/L increase); P = 0.04] were both associated with IHD weaning. The optimal diagnostic thresholds for IHD weaning were urine output greater than 8.5 ml/kg/24 h, urinary urea concentration greater than 148 mmol/L, and daily urea excretion greater than 1.35 mmol/kg/24 h, with accuracy of 82.1%, 76.1%, and 92.5% (P = 0.03), respectively. The AUROC of daily urinary urea excretion (0.96) was greater than the AUROC of urine output (0.86) or the AUROC of urinary urea concentration (0.83) (P < 0.001). CONCLUSIONS: A daily urinary urea excretion greater than 1.35 mmol/kg/24 h was found to be the best marker for weaning ICU patients with AKI from IHD. More... »

PAGES

43

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/s13054-016-1225-5

DOI

http://dx.doi.org/10.1186/s13054-016-1225-5

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1030055145

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/26895760


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