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Clinical evaluation of presepsin considering renal function

View ORCID ProfileMasashi Miyoshi, Yusuke Inoue, Mai Nishioka, Akishige Ikegame, Takayuki Nakao, Koujirou Nagai
doi: https://doi.org/10.1101/604991
Masashi Miyoshi
1Department of Medical Technology, Tokushima University Hospital, Tokushima, Japan
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  • For correspondence: m.miyoshi@tokushima-u.ac.jp
Yusuke Inoue
1Department of Medical Technology, Tokushima University Hospital, Tokushima, Japan
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Mai Nishioka
1Department of Medical Technology, Tokushima University Hospital, Tokushima, Japan
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Akishige Ikegame
1Department of Medical Technology, Tokushima University Hospital, Tokushima, Japan
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Takayuki Nakao
1Department of Medical Technology, Tokushima University Hospital, Tokushima, Japan
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Koujirou Nagai
2Department of Nephrology, Tokushima University Hospital, Tokushima, Japan
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Abstract

Presepsin, a glycoprotein produced during bacterial phagocytosis, has attracted attention as a sepsis marker for bacterial infections. However, since presepsin is affected by renal function, there is a need to separate the evaluation criteria for diagnosis of healthy subjects from that of patients with renal disorder. In this study, we analyzed the influence of kidney function on presepsin concentrations and recalculated the reference range based on the findings. For this purpose, EDTA-whole blood from 47 healthy subjects and 85 patients with chronic kidney disease was collected and used for presepsin measurement by PATHFAST. Presepsin was found to be significantly correlated with creatinine (r = 0.834), eGFRcreat (r = 0.837), cystatin-C (r = 0.845) and eGFRcys (r = 0.879).

Furthermore, in patients with chronic kidney disease at different glomerular filtration rate stages, the presepsin levels showed a significant increasing trend with advancing glomerular filtration rate stage. The reference range, calculated by nonparametric method using a total of 67 cases of healthy volunteers and patients with chronic kidney disease G1, was found to be 59–153 pg/mL, which was notably lower than the standard reference range currently used. Presepsin concentrations were positively correlated with some biomarkers of renal function, indicating that it is necessary to consider the influence of renal function in patients with renal impairment. Further, the recalculated reference range might be more useful for diagnosis and treatment of sepsis than the standard reference currently in use, which likely includes false high values.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license.
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Posted April 10, 2019.
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Clinical evaluation of presepsin considering renal function
Masashi Miyoshi, Yusuke Inoue, Mai Nishioka, Akishige Ikegame, Takayuki Nakao, Koujirou Nagai
bioRxiv 604991; doi: https://doi.org/10.1101/604991
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Clinical evaluation of presepsin considering renal function
Masashi Miyoshi, Yusuke Inoue, Mai Nishioka, Akishige Ikegame, Takayuki Nakao, Koujirou Nagai
bioRxiv 604991; doi: https://doi.org/10.1101/604991

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