2014年安徽醫(yī)科大學第一附屬醫(yī)院細菌耐藥性監(jiān)測
[Abstract]:Objective to investigate the composition of clinical isolates and antimicrobial resistance in the first affiliated Hospital of Anhui Medical University in 2014. Methods the susceptibility test of antimicrobial agents was carried out by disk diffusion method or automatic instrument method. The drug sensitivity results were interpreted according to the (CLSI) 2014 standard of the Association of Clinical and Laboratory Standardization, and the statistical analysis was carried out with WHONET5.6 software. Results A total of 5 533 clinical isolates were collected, including 1 410 Gram positive bacteria (25. 5%) and 4 123 Gram negative bacteria (74. 5%). Escherichia coli was the most isolated bacteria (22.0%), followed by Klebsiella pneumoniae (12.3%). The bacteria were mainly from respiratory tract and urine, accounting for 37.0% and 30.4% respectively. The detectable rates of methicillin-resistant Staphylococcus aureus () (MRSA) and methicillin-resistant coagulase-negative staphylococcus (MRCNS) were 56.2% and 84.2%, respectively. The resistance rate of methicillin-resistant strains to 尾 -lactam antibiotics and most other antimicrobial agents was significantly higher than that of methicillin-sensitive strains. Vancomycin resistant staphylococci have not been found. Enterococcus faecium accounted for 49.1% and Enterococcus faecalis 50.9. The resistance rate of Enterococcus faecium to most antimicrobial agents was significantly higher than that of Enterococcus faecalis. There are a few vancomycin resistant strains in Enterococcus faecium, and Enterococcus faecalis is still sensitive to vancomycin. The positive rates of ESBL producing strains of Escherichia coli, Klebsiella and Proteus mirabilis were 65.2 and 35.2and 12.1respectively. The resistance rate of the above ESBL strains to most antimicrobial agents was significantly higher than that of non-producing ESBL strains. Enterobacteriaceae bacteria are still highly sensitive to carbapenem antibiotics, the total resistance rate is 4.1% and 8.1%. Pseudomonas has the highest sensitivity to amikacin (90.2%) and 20% to carbapenem antibiotics. Acinetobacter has a high resistance to most antimicrobial agents, and Bacillus (except for ticacillin-clavulanic acid) and Stenotrophomonas have high susceptibility to the drugs recommended by CLSI in 2014. Conclusion the drug resistance of bacteria is increasing and it is a serious threat to the clinical anti-infection treatment. We should pay more attention to the monitoring of drug resistance and strengthen the rational use of antibiotics.
【作者單位】: 安徽醫(yī)科大學第一附屬醫(yī)院檢驗科;
【基金】:國家自然科學基金(81171618)
【分類號】:R446.5;R197.32
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