Antimicrobial susceptibility of community-acquired respiratory tract pathogens isolated from class B hospitals in China during 2013 and 2014

Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases
H L SunY C Xu

Abstract

To investigate the drug-resistance rate of community-acquired respiratory tract pathogens isolated from class B hospitals in China during 2013 and 2014. A total of 860 strains (S.pneumoniae 299, K. pneumoniae 221, H. influenzae 185, S. aureus 116, and M. catarrhalis 39) of non-duplicated community-acquired respiratory tract pathogens were isolated from 10 class B hospitals in 9 cities. The minimal inhibitory concentration (MIC) of antibacterial agents was determined by the broth microdilution method. The sensitive rates and MIC range of the antibiotics were analyzed by the WHONET-5.6 software. Only 19.7%(59/299) S. pneumoniae was sensitive to oral penicillin. The sensitive rates of S. pneumoniae to second-generation cephalosporins(cefuroxime and cefaclor), amoxicillin with clavulanic acid, ceftriaxone, and macrolides (erythromycin, azithromycin and clarithromycin) were 25.6% (77/299), 33.4% (100/299), 63.5% (190/299), and 4.4% (13/299), respectively. About 93.5% (280/299)and 98.0% (293/299)of S. pneumoniae isolates were sensitive to levofloxacin and moxifloxacin.All of the K. pneumoniae isolates were sensitive to ertapenem and imipenem. The sensitive rates of K. pneumoniae to ceftriaxone, cefotaxime, ceftazidime, cefepime, and ...Continue Reading

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