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中华肺部疾病杂志(电子版) ›› 2021, Vol. 14 ›› Issue (01) : 31 -36. doi: 10.3877/cma.j.issn.1674-6902.2021.01.006

论著

重症监护室下呼吸道感染患者多重耐药肺炎克雷伯杆菌的危险因素及预后分析
王辉1, 赵蒙蒙2,(), 丁平2, 桑琳莉2, 杨捷2   
  1. 1. 116027 大连,大连医科大学
    2. 225001 扬州,扬州大学附属苏北人民医院呼吸内科
  • 收稿日期:2020-12-16 出版日期:2021-02-25
  • 通信作者: 赵蒙蒙
  • 基金资助:
    江苏省苏北人民医院科研基金项目(yzucms201806)

Risk factors of Multidrug-resistant Klebsiella pneumoniae in patients with lower respiratory infection in ICU

Hui Wang1, Mengmeng Zhao2,(), Ping Ding2, Linli Sang2, Jie Yang2   

  1. 1. Postgraduate students, Dalian Medical University, Dalian 116027 China
    2. Respiratory Medicine Dept., Northern Jiangsu People′s Hospital Affiliated to Yangzhou University, Yangzhou 225001, China
  • Received:2020-12-16 Published:2021-02-25
  • Corresponding author: Mengmeng Zhao
引用本文:

王辉, 赵蒙蒙, 丁平, 桑琳莉, 杨捷. 重症监护室下呼吸道感染患者多重耐药肺炎克雷伯杆菌的危险因素及预后分析[J]. 中华肺部疾病杂志(电子版), 2021, 14(01): 31-36.

Hui Wang, Mengmeng Zhao, Ping Ding, Linli Sang, Jie Yang. Risk factors of Multidrug-resistant Klebsiella pneumoniae in patients with lower respiratory infection in ICU[J]. Chinese Journal of Lung Diseases(Electronic Edition), 2021, 14(01): 31-36.

目的

探讨重症医学科(intensive care unit, ICU)下呼吸道感染多重耐药肺炎克雷伯杆菌(multidrug-resistant Klebsiella pneumoniae, MDR-KPN)耐药情况、感染的危险因素及其预后。

方法

选择2018年1月至2019年12月我院ICU内住院的肺部感染患者164例,根据第一次KPN阳性细菌学培养药敏结果分为MDR-KPN组74例和非MDR-KPN组90例,统计耐药菌的临床耐药特征,采用单因素分析及多因素Logistic回归评价分析引起多重耐药菌感染的危险因素,并分析两组预后。

结果

药敏结果显示分离出74株MDR-KPN菌株中,对大部分抗生素耐药,对头孢菌素、青霉素类、碳青霉烯类抗生素耐药率达到97%以上。单因素分析结果显示30 d内ICU住院史、碳青1霉烯类使用≥5 d、机械通气、机械通气时间≥5 d是MDR-KPN肺部感染的危险因素;MDR-KPN肺部感染是感染患者疾病最终转归的重要因素;Logistic多元回归分析,ICU住院时间、血pH值、机械通气是ICU中肺炎克雷伯杆菌对碳青霉烯类抗菌药物耐药的独立危险因素。

结论

ICU中MDR-KPN肺部感染是多种因素共同作用的结果,临床上需重点关注此类耐药菌株,应针对其危险因素制定综合防治措施,减少耐药菌株的产生,改善治疗预后。

Objective

To analyze the clinical characteristics, risk and prognostic factors Multidrug-resistant Klebsiella pneumoniae (MDR-KPN) in patients with lower respiratory infection in intensive care unit (ICU).

Methods

A retrospective analysis was performed on 164 hospitalized patients with lower pulmonary infection in ICU of our hospital from January 2018 to December 2019. The 164 KPN isolated from the microbiological Department of our hospital and the clinical information of each strain was collected. The resistance of each KPN strain to commonly used antibiotics was statistically analyzed. According to the results of the first KPN positive bacteriological culture, the patients enrolled were divided into MDR-KPN group 74 cases and non-MDR-KPN group 90 cases. Univariate and multivariate Logistic regression analysis were performed to explore the risk factors of MDR-KPN infection.

Result

Of the 74 MDR-KPN susceptibility results showed that the majority of commonly used antibiotics are more serious resistance, and the drug resistance rate of cephalosporin, penicillin and carbapenems antibiotics was above 97%. Univariate analysis suggested ICU hospitalization history within 30 days, carbapenems antibiotics used≥5 d, mechanical ventilation and duration of mechanical ventilation ≥5 d were the risk factors of MDR-KPN infection (P<0.05). Multivariate Logistic regression analysis revealed that length of hospital stays in ICU, Blood pH and mechanical ventilation ere independent risk factors for MDR-KPN infection (P<0.05).

Conclusion

Pulmonary infection of MDR-KPN in ICU is the result of multiple factors. Such multi-drug-resistant strains should be paid more attention clinically and integrated control measures on its risk factors should be made to decrease the emergence of MDR-KPN and improve treatment prognosis of the patients.

表1 两组入院时一般情况及基础疾病分布(±s) [n(%)]
表2 164株KPN对临床常用抗菌药物的耐药性[株(%)]
表3 两组入院时生物学指标比较(±s)
表4 ICU中KPN多重耐药单因素分析[n(%)]
表5 ICU中KPN多重耐药多因素分析
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