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中华临床实验室管理电子杂志 ›› 2023, Vol. 11 ›› Issue (04) : 235 -240. doi: 10.3877/cma.j.issn.2095-5820.2023.04.007

调查研究

神经内科重症监护室患者肠道耐碳青霉烯类肠杆菌目细菌主动筛查研究
刘平娟, 罗科城, 吴家茵, 廖康, 胡雯雯, 陈怡丽()   
  1. 510080 广东广州,中山大学附属第一医院检验科
    517001 广东河源,河源市人民医院检验科
    510515 广东广州,南方医科大学检验与生物技术学院
  • 收稿日期:2023-07-19 出版日期:2023-11-28
  • 通信作者: 陈怡丽
  • 基金资助:
    国家自然青年科学基金项目(82302599)

Epidemiological study on intestinal active surveillance of carbapenem-resistant Enterobacteriaceae in neurology intensive care unit

Pingjuan Liu, Kecheng Luo, Jiayin Wu, Kang Liao, Wenwen Hu, Yili Chen()   

  1. Department of Laboratory Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou Guangdong 510080, China
    Department of Laboratory Medicine, Heyuan People's Hospital, Heyuan Guangdong 517001, China
    Department of Laboratory Medicine and Biotechnology, Southern Medical University School, Guangzhou Guangdong 510515, China
  • Received:2023-07-19 Published:2023-11-28
  • Corresponding author: Yili Chen
引用本文:

刘平娟, 罗科城, 吴家茵, 廖康, 胡雯雯, 陈怡丽. 神经内科重症监护室患者肠道耐碳青霉烯类肠杆菌目细菌主动筛查研究[J]. 中华临床实验室管理电子杂志, 2023, 11(04): 235-240.

Pingjuan Liu, Kecheng Luo, Jiayin Wu, Kang Liao, Wenwen Hu, Yili Chen. Epidemiological study on intestinal active surveillance of carbapenem-resistant Enterobacteriaceae in neurology intensive care unit[J]. Chinese Journal of Clinical Laboratory Management(Electronic Edition), 2023, 11(04): 235-240.

目的

通过对神经内科重症监护室(NICU)患者进行肠道耐碳青霉烯类药物肠杆菌目细菌(CRE)主动筛查,了解其肠道定植情况及感染特征。

方法

采用回顾性病例对照研究,统计2020年1月1日至2022年12月31日入住中山大学附属第一医院NICU患者肠道CRE主动筛查情况。

结果

NICU患者肠道CRE主动筛查的阳性率为32.34%(54/167),其中入科定植率为2.40%(4/167),院内获得定植率为29.94%(50/167)。筛查阳性的54株CRE中,90.74%(49/54)为产A类丝氨酸KPC型碳青霉烯酶肺炎克雷伯菌(CRKP)。167例患者中,发生CRE感染的比例占16.77%(28/167);CRE筛查阳性是院内感染的独立危险因素(P<0.05)。

结论

NICU病房肠道CRE主动筛查阳性率高,病人在ICU住院天数越长,病人随之检出CRE的风险越高;肠道CRE筛查阳性是院内感染的独立危险因素,主动筛查作为防控CRE感染的一项干预措施,对CRE的早发现、早隔离、早治疗非常关键。

Objective

To investigate the intestinal colonization and infection characteristics of carbapenem-resistant Enterobacteriaceae (CRE) of active surveillance in neurology intensive care unit (NICU) patients and then provide risk factors for intestinal colonization and nosocomial infection.

Methods

A retrospective case-control study was based on the relevant statistic data on NICU patients in The First Affiliated Hospital, Sun Yet-Sen University from 1st January 2020 to 31st December 2022.

Results

The positive rate of intestinal CRE active surveillance in NICU patients was 32.34% (54/167), and the admission rate was 2.40% (4/167) and the hospital acquired rate was 29.94% (50/167). Of the 54 CRE, 90.74% (49/54) were Klebsiell a pneumoniae producing Class A serine KPC carbapenemase. Among the 167 patients, the proportion of CRE infection was 16.77% (28/167). Intestinal CRE colonization was an independent risk factor for CRE infection in NICU patients.

Conclusions

The positive rate of active screening for intestinal CRE in NICU wards is high. The longer the patients stay in the ICU, the higher risk of CRE detection. Positive intestinal surveillance of CRE is an independent risk factor for nosocomial infection, and early detection of CRE through active surveillance and infection control measures can help reduce the risk of nosocomial transmission.

表1 167例NICU患者一般资料
表2 NICU患者筛查前用药情况单因素分析和多因素分析
表3 NICU患者院内感染CRE的单因素分析和多因素分析
表4 NICU患者30 d内生存情况
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