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中华实验和临床感染病杂志(电子版) ›› 2018, Vol. 12 ›› Issue (01) : 89 -93. doi: 10.3877/cma.j.issn.1674-1358.2018.01.018

所属专题: 文献

临床论著

1 245株金黄色葡萄球菌临床感染分布及耐药性变迁
谢俊杰1, 孙恒彪1,(), 潘祖汉1, 尤旭1, 叶育华1   
  1. 1. 510630 广州市,南方医科大学第三附属医院检验科
  • 收稿日期:2017-01-02 出版日期:2018-02-15
  • 通信作者: 孙恒彪

Clinical distribution and changes of drug resistance of 1 245 strains of Staphylococcus aureus

Junjie Xie1, Hengbiao Sun1,(), Zuhan Pan1, Xu You1, Yuhua Ye1   

  1. 1. Department of Clinical Laboratory, the Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
  • Received:2017-01-02 Published:2018-02-15
  • Corresponding author: Hengbiao Sun
  • About author:
    Corresponding author: Sun Hengbiao, Email:
引用本文:

谢俊杰, 孙恒彪, 潘祖汉, 尤旭, 叶育华. 1 245株金黄色葡萄球菌临床感染分布及耐药性变迁[J]. 中华实验和临床感染病杂志(电子版), 2018, 12(01): 89-93.

Junjie Xie, Hengbiao Sun, Zuhan Pan, Xu You, Yuhua Ye. Clinical distribution and changes of drug resistance of 1 245 strains of Staphylococcus aureus[J]. Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition), 2018, 12(01): 89-93.

目的

探讨临床分离的金黄色葡萄球菌的感染分布及耐药性变迁,为临床经验性用药及院内感染控制提供数据支持。

方法

回顾调查分析本院2012年1月至2015年12月于住院部及门诊送检标本分离到的金黄色葡萄球菌耐药数据,使用Microscan Walkaway 40 Plus对金黄色葡萄球菌进行鉴定及抗菌药物敏感性试验,采用WHONET 5.6版本软件进行统计分析。

结果

共分离1 245株金黄色葡萄球菌,主要分离自患者痰液(565株,45.4%)、伤口分泌物(234株,18.8%)、脓液(136株,10.9%)和血液(89株,7.1%);检出657株耐甲氧西林金黄色葡萄球菌(MRSA),检出率为52.8%,其中,痰液中MRSA检出率最高(75.6%)。金黄色葡萄球菌主要来源于神经外科(197株,15.8%)、ICU(172株,13.8%)、创伤骨科(161株,12.9%)和呼吸内科(132株,10.6%);神经外科以MRSA检出率最高(77.2%)。金黄色葡萄球菌对利福平、复方新诺明、达托霉素、利奈唑胺、万古霉素和奎奴普丁/达福普汀敏感性较好,对青霉素类敏感性最差。MRSA仅对达托霉素、利奈唑胺、万古霉素和奎奴普丁/达福普汀敏感性较好,甲氧西林敏感金黄色葡萄球菌(MSSA)对常用抗菌药物除青霉素类以外的抗菌药物耐药率较低;MRSA对常用抗菌药物耐药率显著高于MSSA。

结论

临床MRSA检出率较高,且对常用抗菌药物耐药形势严峻,临床科室经验用药同时应配合加强院内感染控制,预防及减少MRSA感染的发生。

Objective

To investigate the infections distribution and changes of drug resistance ofStaphylococcus aureus, and provide reasonable using of antibiotics as to control infection in hospital.

Methods

The drug resistance data ofStaphylococcus aureus isolated from inpatients and outpatients from January 2012 to December 2015 were collected. The data was analyzed by WHONET 5.6 software.

Results

Total of 1 245 strains ofStaphylococcus aureuswere isolated, among which, 657 strains of methicillin-resistantStaphylococcus aureus(MRSA) were detected at a rate with 52.8%. Among all strains, 565 strains (45.4%) were isolated from sputum, 234 strains (18.8%) from wound secretion, 136 strains (10.9%) from pus, 89 strains (7.1%) from blood; and sputum had the highest detection rate of MRSA.Staphylococcus aureuswere mainly isolated from neurosurgery (197 strains, 15.8%), ICU (172 strains, 13.8%), orthopedic trauma (161 strains, 12.9%), and department of respiratory (132 strains, 10.6%); the highest detection rate of MRSA was from neurosurgery.Staphylococcus aureus was sensitive to rifampin, trimethoprim-sulfamethoxazole, daptomycin, linezolid and vancomycin, quinupristin/dalfopristin, while showed high resistance to penicillin antibiotic. MRSA maintained high sensitivity to daptomycin, linezolid, vancomycin and quinupristin/dalfopristin. The resistance rate of MRSA was higher than that of methicillin-sensitiveStaphylococcus aureus(MSSA).

Conclusions

The detection rate of MRSA was high in hospital and the resistance rate of MRSA to common antibiotics were serious. Clinical departments should make reasonable using of antibiotics and strengthen hospital infection control to decrease the incidence of MRSA infection.

表1 1 245株金黄色葡萄球菌及657株MRSA标本的分布
表2 1 245株金黄色葡萄球菌及657株MRSA临床科室分布
表3 1 245株金黄色葡萄球菌耐药率及MRSA和MSSA耐药率
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