Analysis on antimicrobial resistance of 107 strains of coagulase negative staphylococcus

Objective: To detect the distribution of coagulase negative staphylococcus(CNS) and the drug resistance.Methods: 107 strains of CNS which were isolated from antimicrobial susceptibility test in our hospital from June 2010 to May 2011 were analyzed retrospectively.Results: Among 107 strains of CNS,there were 51 strains of staphylococcus epidermidis which were the most common pathogens,accounting for 47.7%.There were 82 strain of MRCNS and 25 strains of MSCNS.Among the MRCNS and MSCNS strains,the positive rates of the β-lactamase was 100.0% and 80.0% respectively.MRCNS were found to be sensitive to Vancomycin and Linzolid,but had high resistance to other antibiotics.Conclusion: CNS plays a significant role in nosocomial infection and the drug resistance is severe.In order to control this kind of nosocomial infection,it is critically important to monitor the antimicrobial resistance of CNS.