Laboratory Medicine ›› 2016, Vol. 31 ›› Issue (6): 491-498.DOI: 10.3969/j.issn.1673-8640.2016.06.011

• Orginal Article • Previous Articles     Next Articles

Class Ⅰ integron for diagnosing imipenem resistance of Pseudomonas aeruginosa:a Meta-analysis

HUANG Qiulan1, FAN Deping1, GAO Shouxia1, LIU Hongchou1, XUE Nali1, NI Yuxing2   

  1. 1. Department of Clinical Laboratory,Nanxiang Hospital,Shanghai 201802,China
    2. Department of Clinical Microbiology,Ruijin Hospital,Shanghai Jiaotong University School of Medicine,Shanghai 200025,China
  • Received:2016-01-08 Online:2016-06-30 Published:2016-07-05

Abstract:

Objective To analyze the correlation between Class Ⅰ integron and imipenem resistance of Pseudomonas aeruginosa through Meta-analysis,and evaluate Class Ⅰ integron for diagnosing imipenem resistance of Pseudomonas aeruginosa. Methods The databases,including Chinese Biomedical Literature Database(CBM),China National Knowledge Infrastructure(CNKI),WANFANG,Chinese VIP Database(VIP),PubMed and Embase,were searched from establishment to December 2015 for Class Ⅰ integron,imipenem resistance and Pseudomonas aeruginosa. Datum selection,extraction and assessment were conducted by 2 reviewers independently according to inclusion and exclusion criteria. Meta-analysis was performed by RevMan 5.2 and Meta-Disc 1.4. Results A total of 24 papers were in accordance with inclusion criteria,which included 2 101 isolates of Pseudomonas aeruginosa isolated from clinical specimens. Among them,1 134 isolates (54.0%) were positive for Class Ⅰ integron,while 929 isolates (44.2%) were resistant to imipenem. Meta-analysis showed that Class Ⅰ integron was more common in imipenem-resistant Pseudomonas aeruginosa than in imipenem-sensitive Pseudomonas aeruginosa [odds ratio(OR) was 4.82,95% confidence interval(CI) was 2.68-8.66]. In the determination of Class Ⅰ integron for diagnosing imipenem resistance of Pseudomonas aeruginosa,the sensitivity,specificity,positive likelihood ratio and negative likelihood ratio were 0.73(95%CI was 0.70-0.76),0.64(95%CI was 0.61-0.66),1.90(95%CIwas 1.47-2.45) and 0.47(95%CI was 0.35-0.64),respectively,and the area under summary receiver operating characteristic(SROC) curve(AUC) was 0.749 5. Conclusions Class Ⅰ integron is related to imipenem resistance of Pseudomonas aeruginosa. The determination of Class Ⅰ integron has certain significance in diagnosing imipenem resistance of Pseudomonas aeruginosa. It is suggested to be combined with other clinical methods to improve efficiency.

Key words: Class Ⅰ integron, Pseudomonas aeruginosa, Imipenem resistance, Diagnosis, Meta-analysis

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