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Chinese Journal of Nosocomiology ; (24)2006.
Article in Chinese | WPRIM | ID: wpr-589210

ABSTRACT

OBJECTIVE To compare and analyze the drug resistance of Chryseobacterium meningosepticum which producing metallo-?-lactamase(MBL) and extended-spectrum-?-lactamases(ESBLs) from ICU patients′ and non ICU patients′ specimens of sputa so as to guide the rational application of antibiotics.METHODS Identified the strains with VITEK 32,MBL and ESBLs were also screened by double disk synergy;the antimicrobial sensitivity of clinical isolates was tested by VITEK GNS143 and the antimicrobial sensitivity was added and tested by K-B method.RESULTS As a result the rate of producing MBL of C.meningosepticum was 49.0% from ICU patients′ specimens of sputa which was higher than the rate of 13.8% from non ICU patients′;the rate of producing ESBLs of C.meningosepticum was 37.2% from ICU patients′ specimens of sputa which was higher than the rate of 30.6% from non ICU patients′;the rate of drug resistance to AMP/SUB,TZP,CEP,CIP,and LEV from ICU patients′ was higher than that from non ICU patients.CONCLUSIONS Why the high resistance rate of C.mengingosepticum in ICU patients′ specimens of sputa might be due to the high producing ?-lactamases(MBL and ESBLs).

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