The relationship between platelet parameters and bacterial types in patients with bacteremia: A retrospective observational study.

IF 1.2 4区医学 Q4 INFECTIOUS DISEASES Journal of Infection in Developing Countries Pub Date : 2025-03-31 DOI:10.3855/jidc.20548

Xiaoyan Liu, Guanqun Yi, Guoyang Zhang, Hongyun Liu, Ziyang Liang, Danian Nie, Liping Ma

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Abstract

Objective: To analyze the relationship between platelet parameters and bacterial types in patients with bacteremia.

Methodology: Data from 265 patients with positive blood bacterial cultures were collected. Clinical parameters and procalcitonin (PCT) were recorded.

Results: In 265 patients with bacteremia, gram-negative (G-) bacteria accounted for 56% of cases, and gram-positive (G +) bacteria accounted for 44% of cases. In patients with bacteremia, white blood cell counts (WBC), neutrophil counts (NEUT), the percentage of neutrophils (NEUT%), and PCT were increased, and lymphocyte counts (LYM) and the percentage of lymphocytes (LYM%) were decreased. The differences in plateletcrit values, NEUT%, LYM%, and PCT between the G- and the G + bacteria group were significantly different. The cutoff values of PCT, platelet, plateletcrit, and NEUT% were 1.31 ng/mL, 211 × 109/L, 0.205%, and 87.41%, respectively. The incidence of thrombocytopenia was 12%. There was no significant difference in WBC, NEUT%, PCT, platelet, platelet nadir, and days of thrombocytopenia between the G- and the G + bacteria among patients with thrombocytopenia.

Conclusions: Platelet, plateletcrit, NEUT%, and PCT are helpful for the early identification of G- and G + bacteria. The combination of PCT and hemogram parameters is more conducive to the early differential diagnosis of bacterial classification.

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菌血症患者血小板参数与细菌类型之间的关系：回顾性观察研究

目的：分析菌血症患者血小板参数与细菌类型的关系。方法：收集265例血细菌培养阳性患者的资料。记录临床参数及降钙素原（PCT）。结果：265例菌血症患者中，革兰氏阴性（G-）菌占56%，革兰氏阳性（G +）菌占44%。菌血症患者白细胞计数（WBC）、中性粒细胞计数（NEUT）、中性粒细胞百分比（NEUT%）和PCT升高，淋巴细胞计数（LYM）和淋巴细胞百分比（LYM%）降低。G-菌组与G +菌组血小板电积值、NEUT%、LYM%、PCT差异均有统计学意义。PCT、血小板、血小板电积分、NEUT%的临界值分别为1.31 ng/mL、211 × 109/L、0.205%、87.41%。血小板减少的发生率为12%。血小板减少患者中G-菌与G +菌的WBC、NEUT%、PCT、血小板、血小板最低点、血小板减少天数无显著差异。结论：血小板、血小板电评、NEUT%和PCT有助于G-和G +细菌的早期鉴定。PCT结合血象参数更有利于细菌分类的早期鉴别诊断。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Infection in Developing Countries INFECTIOUS DISEASES-

CiteScore

3.70

自引率

5.30%

发文量

239

审稿时长

4-8 weeks

期刊介绍： The Journal of Infection in Developing Countries (JIDC) is an international journal, intended for the publication of scientific articles from Developing Countries by scientists from Developing Countries. JIDC is an independent, on-line publication with an international editorial board. JIDC is open access with no cost to view or download articles and reasonable cost for publication of research artcles, making JIDC easily availiable to scientists from resource restricted regions.