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Distribution and Resistance of Clinical Pathogenic Bacterial Isolates in Our Hospital 2005-2007 / 中华医院感染学杂志
Chinese Journal of Nosocomiology ; (24)2006.
Article in Chinese | WPRIM | ID: wpr-594256
ABSTRACT
OBJECTIVE To investigate the distribution of clinical bacterial isolates and the change in antibiotic resistance spectrum in our hospital from 2005 to 2007.METHODS Data of bacterial susceptibility testing of clinical isolates from the Second Affiliated Hospital in of University of South China from 2005 to 2007 were collected and analyzed by software WHONET25.Results were assessed according to the National Committee for Clinical Laboratory Standards(NCCLS) of America issued in 2005.RESULTS The amount of Gram-negative bacteria decreased and of Gram-positive bacteria increased during this period.The proportion of coagulase negative Staphylococcus(CNS) had been increasing and reached 21.7% in 2007.The proportions of Staphylococcus aureus decreased from 17.6% in 2005 to 13.0% in 2007.Escherichia were the top two bacteria in 2007.The drug resistance rate of staphylococci against penicillin and erythromycin was more than 92.2% and 52.2%,respectively.The oxacillin resistance rate of CNS was 74.5%,significantly higher than that of S.aureus(16.5%).Drug resistance rate of Enterococcus to vancomycin was 1.1%.Gram-negative bacteria were found resistant to meropenem and imipenem.The resistance rate to ampicillin of Klebsiella and Escherichia was very high.CONCLUSIONS The variation of drug resistance and distribution of clinical bacterial isolates in our hospital are related to the improper use of antibiotics.It is very important to select antibiotics correctly according to the results of antibiotics susceptibility tests.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Practice guideline Language: Chinese Journal: Chinese Journal of Nosocomiology Year: 2006 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Practice guideline Language: Chinese Journal: Chinese Journal of Nosocomiology Year: 2006 Type: Article