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中华实验和临床感染病杂志(电子版) ›› 2022, Vol. 16 ›› Issue (01) : 47 -53. doi: 10.3877/cma.j.issn.1674-1358.2022.01.007

短篇论著

侵袭性念珠菌感染者临床特征、病原菌分布和感染指标分析
冯强生1, 宋月娟1,(), 哈小琴1, 高保东1   
  1. 1. 730050 兰州市,联勤保障部队第九四零医院检验科
  • 收稿日期:2021-04-18 出版日期:2022-02-15
  • 通信作者: 宋月娟

Clinical characteristics, pathogen distribution and infection biomarkers of patients with invasive Candida infection

Qiangsheng Feng1, Yuejuan Song1,(), Xiaoqin Ha1, Baodong Gao1   

  1. 1. Department of Clinical Laboratory, the 940th Hospital of Joint Logistics Support Force of People’s Liberation Army, Lanzhou 730050, China
  • Received:2021-04-18 Published:2022-02-15
  • Corresponding author: Yuejuan Song
引用本文:

冯强生, 宋月娟, 哈小琴, 高保东. 侵袭性念珠菌感染者临床特征、病原菌分布和感染指标分析[J]. 中华实验和临床感染病杂志(电子版), 2022, 16(01): 47-53.

Qiangsheng Feng, Yuejuan Song, Xiaoqin Ha, Baodong Gao. Clinical characteristics, pathogen distribution and infection biomarkers of patients with invasive Candida infection[J]. Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition), 2022, 16(01): 47-53.

目的

分析侵袭性念珠菌感染者的临床特征、病原菌分布和感染指标,为侵袭性念珠菌感染者的病原学诊断和治疗提供一定的依据。

方法

回顾性分析2016年1月至2021年1月联勤保障部队第九四零医院收治的151例侵袭性念珠菌感染者(感染组)临床特征、病原菌分布及其感染相关指标等,以200例非感染性疾病住院患者作为对照组。两组患者降钙素原(PCT)、白细胞介素-6(IL-6)、C-反应蛋白(CRP)、白细胞(WBC)计数、中性粒细胞比(NEU%)、D-二聚体(D-Dimer)、1,3-β-D葡聚糖和肌钙蛋白Ⅰ(CTnⅠ)水平均为非正态分布计量资料,采用中位数(四分位数)表示,采用非参数检验Mann-Whitney U检验。

结果

感染组151例患者中男/女为1.7,平均年龄为(60.1 ± 18.4)岁,住院病死率为42.2%(49/116),本院发病率为42.9/100 000/年。151例侵袭性念珠菌感染者分离的主要病原菌以白色念珠菌为主[84例(55.6%)],其次为光滑念珠菌[15例(9.9%)]和热带念珠菌[13例(8.6%)];真菌合并细菌感染者占45.9%(62/135)。药敏试验结果显示,所分离病原菌对氟康唑、伊曲康唑、伏立康唑、5-氟胞嘧啶和两性霉素未表现出获得性耐药。患者标本来源主要为血[38例(25.2%)]、腹水[37例(24.5%)]和腹腔引流液[23例(15.2%)]等。住院科室以ICU[59例(39.1%)]为主,其次为普通外科[22例(14.6%)]和肝胆外科[18例(11.9%)]。患者主要临床诊断为脓毒症[18例(11.9%)]、肠穿孔[15例(9.9%)]、腹腔感染[11例(7.3%)]、胆管癌[11例(7.3%)]和血液病[11例(7.3%)]等32种常见疾病。侵袭性念珠菌感染者中血清1,3-β-D葡聚糖阳性者占66.7%(56/84),该56例患者1,3-β-D葡聚糖水平为266.1(167.0,286.0)pg/ml;CTnⅠ阳性患者30例,阳性率为19.9%(30/151),该30例患者CTnⅠ水平为0.35(0.05,0.24)μg/L。感染组患者感染相关指标(PCT、IL-6、CRP、WBC、NEU%和D-Dimer)与对照组差异均有统计学意义(Z = 10.70、6.33、7.27、8.50、11.74、8.01,P均< 0.001)。

结论

侵袭性念珠菌感染者病情危重、病死率高,病原菌以白色念珠菌为主,患者主要见于血流感染和腹腔感染,且部分患者伴CTnⅠ升高。

Objective

To investigate the clinical characteristics, pathogen distribution and infection biomarkers of patients with invasive Candida infection, and to provide theoretical basis for etiological diagnosis and treatment.

Methods

Total of 151 patients with invasive Candida infection (infection group) in the 940th Hospital of Joint Logistics Support Force of People’s Liberation Army from January 2016 to January 2021 were enrolled, retrospectively; the clinical characteristics, pathogen distribution and infection biomarkers of those patients were analyzed, while 200 patients with non-infection were collected as control group. The levels of procalcitonin (PCT), interleukin-6 (IL-6), C-reactive protein (CRP), white blood cell (WBC), neutrophil ratio (NEU%), D-dimer, 1, 3-β-D-glucan and cardiac troponin Ⅰ(CTnⅠ) of patients in infection group and control group were non-normally distributed, data were expressed by M (P25, P75), and analyzed by Mann Whitney U test.

Results

Among the 151 patients of infection group, male/female was 1.7, the median age was (60.1 ± 18.4) years old, the fatality rate was 42.2% (49/116), the incidence rate was 42.9/10 0000/year. Among the 151 cases with invasive Candida infection, 84 cases (55.6%) were with Candida albicans infection, followed by 15 cases (9.9%) with Candida glabrata infection, 13 cases (8.6%) with Candida tropicalis and 62 cases (45.9%) with fungi and bacterial infection. The results of antimicrobial susceptibility test showed that the isolated pathogens were without acquired resistance to fluconazole, itraconazole, voriconazole, 5-fluorocytosine and amphotericin. The main sources of specimens were blood [38 cases (25.2%)], ascites [37 cases (24.5%)] and abdominal drainage fluid [23 cases (15.2%)]. The inpatient departments were dominated in ICU [59 cases (39.1%)], followed by department of general surgery [22 cases (14.6%)] and department of hepatobiliary surgery [18 cases (11.9%)]. The main clinical diagnosis were 32 kinds of common diseases, including sepsis [18 cases (11.9%)], intestinal perforation [15 cases (9.9%)], abdominal infection [11 cases (7.3%)], cholangiocarcinoma [11 cases (7.3%)] and hematological diseases [11 cases (7.3%)], etc. The positive rate of serum 1, 3-β-D-glucan accounted for 66.7% (56/84) of patients with invasive Candida infection, with the level of 266.1 (167.0, 286.0) pg/ml. The positive rate of CTnⅠ accounted for 19.9% (30/151), with the level of 0.35 (0.05, 0.24) μg/L. Compared with the control group, PCT, IL-6, CRP, WBC, NEU% and D-dimer were all significantly different of patients in infection group (Z = 10.70, 6.33, 7.27, 8.50, 11.74, 8.01; all P < 0.001).

Conclusions

Patients with invasive Candida infection were with critical condition and high mortality, Candida albicans was the main pathogen. Patients were mainly found with bloodstream infection and abdominal infection. CTnⅠ increased in some patients with invasive Candida infection.

表1 两组研究对象的一般资料
表2 200例非侵袭性念珠菌感染住院患者的主要临床诊断
表3 151例侵袭性念珠菌感染者的病原菌分布
表4 151例侵袭性念珠菌感染者的标本来源
表5 151例侵袭性念珠菌感染者的科室分布
表6 151例侵袭性念珠菌感染者的临床诊断
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