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Antimicrobial resistance and clinical infection monitoring of methicillin-resistant staphylococcus aureus

Xing Guo-zheng

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Abstract

Objective To analyze the antimicrobial resistance and clinical infection monitoring of methicillin-resistant staphylococcus aureus(MRSA) isolated from clinical samples from 2008 to 2010.Methods Staphylococcus aureus and MRSA were collected,and Phoenix 100 fully automated bacteria identification system was applied to the identification of bacteria and drug sensitivity test.Results A total of 1 048 strains of staphylococcus aureus were collected in 3 years,in which 793 were MRSA(75.7%).Antimicrobial sensitivity test showed that MRSA was resistant to most antibiotics,but quite sensitive to Vancomycin,Linezolid,Trimethoprim,Quinupristin/dalfopristin,Teicoplanin and Nitrofurantoin.No strain resistant to Vancomycin or Linezolid was found.Conclusion MRSA have increased in the past 3 years in our hospital.It is of great value for monitoring the antimicrobial resistance and find out nosocomial infection of MRSA.

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What this paper is about

Objective To analyze the antimicrobial resistance and clinical infection monitoring of methicillin-resistant staphylococcus aureus(MRSA) isolated from clinical samples from 2008 to 2010.Methods Staphylococcus aureus and MRSA were collected,and Phoenix 100 fully automated bacteria identification system was applied to the identification of bacteria and drug sensitivity test.Results A total of 1 048 strains of staphylococcus aureus were collected in 3 years,in which 793 were MRSA(75.7%).Antimicrobial sensitivity test showed that MRSA was resistant to most antibiotics,but quite sensitive to Vancomycin,Linezolid,Trimethoprim,Quinupristin/dalfopristin,Teicoplanin and Nitrofurantoin.No strain resistant to Vancomycin or Linezolid was found.Conclusion MRSA have increased in the past 3 years in our hospital.It is of great value for monitoring the antimicrobial resistance and find out nosocomial infection of MRSA.

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Available abstract

Objective To analyze the antimicrobial resistance and clinical infection monitoring of methicillin-resistant staphylococcus aureus(MRSA) isolated from clinical samples from 2008 to 2010.Methods Staphylococcus aureus and MRSA were collected,and Phoenix 100 fully automated bacteria identification system was applied to the identification of bacteria and drug sensitivity test.Results A total of 1 048 strains of staphylococcus aureus were collected in 3 years,in which 793 were MRSA(75.7%).Antimicrobial sensitivity test showed that MRSA was resistant to most antibiotics,but quite sensitive to Vancomycin,Linezolid,Trimethoprim,Quinupristin/dalfopristin,Teicoplanin and Nitrofurantoin.No strain resistant to Vancomycin or Linezolid was found.Conclusion MRSA have increased in the past 3 years in our hospital.It is of great value for monitoring the antimicrobial resistance and find out nosocomial infection of MRSA.

Key concepts: Linezolid, Teicoplanin, Quinupristin, Vancomycin, Staphylococcus aureus, Microbiology, Antimicrobial, Dalfopristin

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