Predictive value of cell population data with Sysmex XN-series hematology analyzer for culture-proven bacteremia

Frontiers in Medicine

Medicine

Yoshihiro Yamamoto¹  Yoshitsugu Higashi¹  Yuki Miyajima¹  Kentaro Nagaoka¹  Tomohiro Ueno²  Isao Kitajima²  Hideki Niimi²  Atsushi Matsui³  Nozomi Kojima⁴  Mari Kono⁵  Yosuke Iwasaki⁶ 

[1] Department of Clinical Infectious Diseases, Toyama University Hospital, Toyama, Japan;Department of Clinical Laboratory and Molecular Pathology, Toyama University Hospital, Toyama, Japan;First Department of Internal Medicine, Toyama University Hospital, Toyama, Japan;Gene Technology Group, Reagent Engineering, Sysmex Corporation, Hyogo, Japan;R&D Center Asia Pacific, Sysmex Asia Pacific Pte Ltd, Singapore, Singapore;Scientific Research, Scientific Affairs, Sysmex Corporation, Hyogo, Japan;

关键词: cell population data;    bacteremia;    sepsis;    XN-series;    procalcitonin;    presepsin;    interleukin-6;   

DOI  :  10.3389/fmed.2023.1156889

 received in 2023-02-02, accepted in 2023-05-10,  发布年份 2023

来源: Frontiers

【 摘 要 】

BackgroundCell population data (CPD) parameters related to neutrophils, such as fluorescent light intensity (NE-SFL) and fluorescent light distribution width index (NE-WY), have emerged as potential biomarkers for sepsis. However, the diagnostic implication in acute bacterial infection remains unclear. This study assessed the diagnostic value of NE-WY and NE-SFL for bacteremia in patients with acute bacterial infections, and those associations with other sepsis biomarkers.MethodsPatients with acute bacterial infections were enrolled in this prospective observational cohort study. For all patients, a blood sample, with at least two sets of blood cultures, were collected at the onset of infection. Microbiological evaluation included examination of the blood bacterial load using PCR. CPD was assessed using Automated Hematology analyzer Sysmex series XN-2000. Serum levels of procalcitonin (PCT), interleukin-6 (IL-6), presepsin, and CRP were also assessed.ResultsOf 93 patients with acute bacterial infection, 24 developed culture-proven bacteremia and 69 did not. NE-SFL and NE-WY were significantly higher in patients with bacteremia than in those without bacteremia (p < 0.005, respectively), and were significantly correlated with the bacterial load determined by PCR (r = 0.384 and r = 0.374, p < 0.005, respectively). To assess the diagnostic value for bacteremia, receiver operating characteristic curve analysis was used. NE-SFL and NE-WY showed an area under the curve of 0.685 and 0.708, respectively, while those of PCT, IL-6, presepsin, and CRP were 0.744, 0.778, 0.685, and 0.528, respectively. Correlation analysis showed that the levels of NE-WY and NE-SFL were strongly correlated with PCT and IL-6 levels.ConclusionThis study demonstrated that NE-WY and NE-SFL could predict bacteremia in a manner that may be different from that of other indicators. These findings suggest there are potential benefits of NE-WY/NE-SFL in predicting severe bacterial infections.

【 授权许可】

Unknown   
Copyright © 2023 Miyajima, Niimi, Ueno, Matsui, Higashi, Kojima, Kono, Iwasaki, Nagaoka, Yamamoto and Kitajima.