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Distribution Characteristics of Persisters Isolated from Chronic Infected Patients / 现代检验医学杂志
Journal of Modern Laboratory Medicine ; (4): 1-3,6, 2016.
Article in Chinese | WPRIM | ID: wpr-604190
ABSTRACT
Objective To investigate the clinical distribution characteristics of persisters isolated from the chronic infected pa-tients,so as to provide scientific basis for effective clinical measures to prevent,control and treat persister-associated chronic infection.Methods Clinical microbial samples cultured from Jan.2013 to Dec.2014 were analysed by WHONET5.6.Four bacteria species with the highest isolation rate were performed for screening of chronic infection.Concentration of bacteria were detected by viable plate count method and then the growth curve were drew of each sample under the presence of anti-biotics.Persisters were comfirmed according to the specific growth curve under the presence of antibiotics.Results Four highest isolated bacteria species of the clinical samples were Escherichia coli (1 3.2%),Klebsiella pneumoniae (9.6%), Pseudomonasaeruginosa (8%)and Staphylococcusaureus (6.6%).862 chronic infection samples were generated out of 14 216 microbial samples and 41 persisters (4 strains of Escherichia coli,23 strains of Klebsiella pneumoniae,8 strains of Pseudomonasaeruginosa and 6 strains of Staphylococcusaureus)were isolated finally.Conclusion With such a comprehen-sively retrospective analysis of the hospital clinical microbial samples,can tell that the ratio of persisters in chronic infection was not high.And chronic infections are mostly caused by gene-mutated drug-resistant bacteria.However,the isolation rate of Klebsiella pneumoniae was relatively high,of which more attention should be payed to the prevention and control.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Modern Laboratory Medicine Year: 2016 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Modern Laboratory Medicine Year: 2016 Type: Article