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Eur J Clin Microbiol Infect Dis. 2015 Apr;34(4):687-95. doi: 10.1007/s10096-014-2275-8. Epub 2014 Nov 21.

Severity markers in severe leptospirosis: a cohort study.

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1
Intensive Care Unit, Centre Hospitalier Territorial, Nouméa, New Caledonia.

Abstract

We aimed to evaluate parameters for their value as severity markers in hospitalized leptospirosis patients. We recruited 47 informed adult consenting patients and assessed a number of clinical, hematological, biochemical, and biological variables. Patients were sorted according to severity based on fatality or the requirement of mechanical ventilation or dialysis; the parameters studied were compared between groups on inclusion and the next day. Beside septic shock presentation or a high severity score (Simplified Acute Physiology Score; SAPS II), increased lactate, total bilirubin, lipase, and AST/ALT ratio or a decreased cytokines IL-10/TNF-α ratio were all significantly associated with severity. The gene expression of the IL-1 receptor antagonist IL-1ra, IL-1α, and the long pentraxin PTX-3 were also transcribed at higher levels in most severe cases. Patients could rapidly improve or deteriorate, highlighting the need for a new assessment the next day. Our results add to the limited body of knowledge about severity markers in leptospirosis. They also suggest that patients should be reassessed the next day before being possibly discharged from the hospital. Further studies are needed in order to confirm relevant and reliable prognostic parameters in leptospirosis that would be helpful for the purpose of triage.

PMID:
25413923
DOI:
10.1007/s10096-014-2275-8
[Indexed for MEDLINE]

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