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Article Dans Une Revue Clinica Chimica Acta Année : 2017

Plasmatic presepsin (sCD14-ST) concentrations in acute pyelonephritis in adult patients

Jeannot Schmidt
Camille Chenevier-Gobeaux
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Résumé

INTRODUCTION: Presepsin (sCD14-ST) is an emerging biomarker for infection. We hypothesized that presepsin could specifically increase during acute pyelonephritis and correlate with severity. METHODS: We compared presepsin values in patients with acute pyelonephritis and controls, and we assessed its capacity to predict bacteraemia and admission in patients. RESULTS: In 312 patients with acute pyelonephritis (median age 33years), presepsin concentrations were higher than in controls (476 vs 200ng/L, p<0.001). ROC curve indicated an AUC at 0.90 [for presepsin (vs. 0.99 and 0.98 for CRP and PCT, respectively; p<0.05) and an optimal threshold at 340ng/L (74% sensitivity, 94% specificity). Presepsin concentrations increased in acute pyelonephritis patients with bacteraemia (614 vs. 461ng/L, p,=0.001) and in those requiring admission (614ng/L vs. 320ng/L, p<0.001). Performance of presepsin to predict bacteraemia [AUC=0.63, 95%CI: 0.55-0.72] was similar to CRP (AUC=0.64, p=0.87) and less accurate than PCT (AUC=0.78, p<0.001). AUC for presepsin to detect the need for admission was 0.67, and comparable to CRP (p=0.26) and PCT (p=0.18). CONCLUSION: Presepsin is a valuable biomarker to detect patients with acute pyelonephritis. However, it presents mild performance to predict bacteraemia and the need for admission, and offers no advantage as compared to CRP and PCT.
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hal-01897879 , version 1 (17-10-2018)

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Yann-Erick Claessens, Eloise Trabattoni, Sophie Grabar, Laurent Quinquis, Guillaume Der Sahakian, et al.. Plasmatic presepsin (sCD14-ST) concentrations in acute pyelonephritis in adult patients. Clinica Chimica Acta, 2017, 464, pp.182 - 188. ⟨10.1016/j.cca.2016.11.036⟩. ⟨hal-01897879⟩
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