耐亞胺培南銅綠假單胞菌耐藥特征及其耐藥機(jī)制的研究
[Abstract]:Objective to investigate the drug resistance of imipenem resistant Pseudomonas aeruginosa and its mechanism. Methods from December 2013 to August 2015, 40 strains of imipenem resistant Pseudomonas aeruginosa were selected and identified by automatic microbiological analyzer. Polymerase chain reaction (PCR) was used to detect carbapenase associated gene (IMP,VIM,OXA,GES) and outer membrane protein gene (oprD,). Results the resistance rate of imipenem resistant Pseudomonas aeruginosa to amikacin was the lowest (8.26%), and to gentamicin, tobramycin was below 20%. The resistance rates of ciprofloxacin, levofloxacin, piperacillin, tazobactam and sulbactam were between 40% and 60%; The antimicrobial activity of ceftazidime, ceftriaxone, cefepime, aztreonam, meropenem, compound sulfamethoxazole and minocycline was poor, and the resistance rate was over 60%. In 40 strains of imipenem resistant Pseudomonas aeruginosa, 1 OXA-17 positive strain was detected, the positive rate was 2.50%, 13 strains of oprD2 gene deletion strain were detected, and the deletion rate was 32.50%. No other resistant genes such as IMP,VIM and GES were detected. Conclusion We should pay attention to and strengthen the monitoring of bacterial drug resistance in clinic and use low drug resistance antibiotics reasonably in order to reduce the production of drug resistant strains.
【作者單位】: 濟(jì)南市兒童醫(yī)院;
【分類號】:R446.5
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