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1.
Chinese Journal of Nosocomiology ; (24)2006.
Article in Chinese | WPRIM | ID: wpr-585892

ABSTRACT

OBJECTIVE To monitor drug resistance of the 5 kinds of Gram negative bacilli isolated from the old patients with lower respiratory tracts infection in Chengdu region. METHODS From Jan 2002 to Jun 2004,we collected the sputum samples of the old patients who were diagnosed lower respiratory tract infection with Gram negative bacilli,which were analyzed with automatic VITEK32 and 532 strains of common Gram negative bacilli were identified. RESULTS The most common 5 kinds of Gram negative bacilli,which were cultured among old patients in Chengdu region with lower respiratory tracts infection,were: Escherichia coli(27.44%),Klebsiella pneumoniae(20.49%),Pseudomonas aeruginosa(18.23%),Acinetobacter baumannii(17.67%),and Enterobacter cloacae(16.17%).For above bacteria,the ratio of the resistance to amoxicillin/clavulanic acid,ampicillin,cefazolin,compound sulfamethoxazole was over 40%.And the isolating rate of ESBLs produced by (E.coli) and K.pneumoniae was 20.78%. CONCLUSIONS Monitoring the common bacteria and ESBLs-producing bacteria precisely can provide therapy,guide to early cure and control lower respiratory tracts infection of aged patients effectively.

2.
Chinese Journal of Nosocomiology ; (24)2004.
Article in Chinese | WPRIM | ID: wpr-594769

ABSTRACT

OBJECTIVE To monitor the bacterial distribution and the drug resistance among elderly patients in Medical depariment for senior cadres′ of our hospital,and offer the reference for the clinical use of antibiotics therapy.METHODS From Jan 2006 to Dec 2007 1230 pathogen strains isolated from the elderly patients and antimicrobial susceptibility was tested.RESULTS Of 1230 pathogen strains isolated,747 strains were Gram-negative bacilli,310 strains were Gram-positive cocci,and 173 strains were fungi.The percentage of these three groups were 60.7%,25.2% and 14.1%,respectively.The major strain of fungi was Candida albicans.ESBLs producing rates of Escherichia coli and Klebsiella pneumoniae were 48.0% and 35.8%,respectively. Meticillin-resistant strains of Staphylococcus aureus(MRSA) and coagulase negative Staphylococcus(MRCNS) accounted for 65.0% and 77.8%,respectively.VRE were 17.7%.In our data,no vancomycin-resistant Staphlococcus was isolated.Pathogenic bacteria were higher resistant to the commonly used antibiotics.The Gram-negative bacteria were sensitive to imipenem,meropenem,antibiotics combined with ?-lactamases inhibitor,and amikacin.The Gram-positive bacteria were sensitive to vancomycin and teicoplanin.CONCLUSIONS The major pathogens infected the elderly patients in Medical department for senior cadres′ are Gram-negative bacteria,and the pathogens show the high drug resistance.The result of antimicrobial susceptibility test can guide to cure and control infection of elderly patients effectively.

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