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Antibiotics Resistance of Staphylococcus in Nosocomial Infection

OBJECTIVE To investigate the distribution and drug resistance of Staphylococcus in nosocomial infection during the last three years in our hospital. METHODS Strains collected from daily specimens were identified with Micro WalkAway 40, and then the drug resistances were measured by standard K B methods. All data were analyzed statistically. RESULTS Among 216 Staphylococcus strains collected, Staphylococcus aureus were predominant [24 5% (53/216)], and the remains were all coagulase negative Staphylococcus. Meticillin resistant Staphylococcus aureus (MRSA) accounted for 39 6%(21/53), and meticillin resistant coagulase negative Staphylococcus(MRCNS) accounted for 36 2%. The drug sensitivity results showed that meticillin resistant Staphylococcus (MRS) was highly resistant to ten commonly used antibiotics than meticillin sensitive Staphylococcus (MSS). CONCLUSIONS For effective supervision and control of Staphylococcus infection, detection of MRS should be paid much attention by clinical microbiology laboratory.