A 12-Year Retrospective Analysis of Blood Culture Isolates in the Intensive Care Unit of a Tertiary Hospital in China

被引:1
作者
Peng, Zhenli [1 ,3 ]
Wang, Yanxin [1 ]
Jia, Lijuan [1 ]
Jiang, Yao [1 ]
Li, Xiang [2 ]
机构
[1] Tsinghua Univ, Chui Yang Liu Hosp Affiliated, Dept Crit Care Med, Beijing, Peoples R China
[2] Tsinghua Univ, Chui Yang Liu Hosp Affiliated, Clin Lab, Beijing, Peoples R China
[3] Tsinghua Univ, Chui Yang Liu Hosp Affiliated, Dept Crit Care Med, Beijing 100022, Peoples R China
关键词
bloodstream infection; intensive care units; blood cul-ture; Gram-positive bacteria; Gram-negative bacteria; antibiotic resistance; STREAM INFECTIONS; EPIDEMIOLOGY; STAPHYLOCOCCUS; SURVEILLANCE; RESISTANCE; MORTALITY; RISK;
D O I
10.7754/Clin.Lab.2022.220223
中图分类号
R446 [实验室诊断]; R-33 [实验医学、医学实验];
学科分类号
1001 ;
摘要
Background: This paper is to explore the composition and antibiotic resistance of pathogens isolated from blood cultures of patients with bloodstream infection (BSI) in the intensive care unit (ICU).Methods: A retrospective study has been performed to identify the pathogens isolated from blood cultures of 147 patients with BSI in the ICU of our Hospital over 12 years (January 2008 to December 2019). The antibiotic resis-tance and susceptibility of the isolates were tested.Results: Among the 152 pathogens isolated from positive blood cultures, 61.84% were Gram-positive bacteria, 34.87% were Gram-negative bacteria, and 3.29% were fungi. The most frequently isolated pathogens were coagu-lase-negative Staphylococci, Staphylococcus aureus, and Escherichia coli. The pathogen distributions remained sta-ble over 12 years. Gram-positive cocci were highly susceptible to vancomycin, linezolid, and teicoplanin. Extend-ed-spectrum beta-lactamase-producing pathogens were highly susceptible to amikacin, imipenem, meropenem, and polymyxin B. Acinetobacter were relatively sensitive to amikacin, trimethoprim-sulfamethoxazole, and polymyxin, whereas Pseudomonas aeruginosa were sensitive to amikacin, gentamicin, levofloxacin, imipenem, meropenem, and ciprofloxacin, with resistance rates less than 30%.Conclusions: Gram-positive bacteria were the dominant pathogens isolated from blood cultures of ICU-BSI pa-tients and were susceptible to vancomycin, linezolid, and teicoplanin. The antibiotic susceptibility of Gram -nega-tive bacteria varies greatly. Our results provide important information to guide the treatment decisions in the management of ICU-BSIs.(Clin. Lab. 2023;69:xx-xx. DOI: 10.7754/Clin.Lab.2022.220223)
引用
收藏
页码:41 / 49
页数:9
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