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Killing efficacy of chlorine-releasing agents on multidrug-resistant Acinetobacter baumannii / 中华临床感染病杂志
Chinese Journal of Clinical Infectious Diseases ; (6): 5-8, 2012.
Artigo em Chinês | WPRIM | ID: wpr-424829
ABSTRACT
Objective To evaluate the killing efficacy of chlorine-releasing agents (CRAs) with different concentrations on multidrug-resistant Acinetobacter baumannii.Methods Totally 30 clinical strains of multidrug-resistant Acinetobacter baumannii were collected from November 2008 to December 2009.Killing efficacy of CRAs on these strains was evaluated by quantitative suspension test.The one-way analysis of variance was performed.Results The log values of killing to 30 strains of multidrug-resistant Acinetobacter baumannii were all ≥5.00,when the bacteria were exposed to available chlorine concentrations 400 mg/L of CRAs for 10 min,600 mg/L for 10 min,800 mg/L for 3 min and 1000 mg/L for 1 min,respectively.And effective rates were all 100%. Furthermore,there were significant differences among different available chlorine concentrations exposed for the same time ( except 10 min) ( F =72.72,64.79 and 32.33,P =0.00),and among different exposure time in the same available chlorine concentration ( except 1000 mg/L) ( F =110.42,20.41 and 3.20,P=0.00,0.00 and 0.03).Conclusion Satisfactory killing efficacy of CRAs to multidrug-resistant Acinetobacter baumannii can be achieved with available chlorine concentration 500 mg/L to 1000 mg/L and exposure time 10 min to 30 min.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Clinical Infectious Diseases Ano de publicação: 2012 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Clinical Infectious Diseases Ano de publicação: 2012 Tipo de documento: Artigo