Volume 22, Issue 92 (5-2014)                   zumsj 2014, 22(92): 23-32 | Back to browse issues page

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Soltan Dallal M, Rastegar Lari A, Bakhtiari R, Nikmanesh B, Sharifi Yazdi M. Synergistic Effect of Ciprofloxacin with Piperacillin, Ceftazidim and Imipenem against Entrococi. zumsj. 2014; 22 (92) :23-32
URL: http://zums.ac.ir/journal/article-1-2675-en.html
Abstract:   (11558 Views)

Background and Objective: Attention has largely been focused on appearance of multiple drug resistance enterococci in the last 20 years. One of the methods to overcome this problem is to combine different antibiotics in order to increase antimicrobial activity and reduce toxicity. The combination of fluor quinolones with other antibiotics has been widely investigated. The aim of this study was to investigate the synergistic effect of ciprofloxacin in several antibiotics Beta-lactam (piperacillin, ceftazidime and imipenem) on isolated enterococci. Materials and Methods: In this cross sectional study, 67 Streptococci strains were isolated from clinical samples from March to September 2012. The serial broth dilution method in test tubes was used for the MIC, and the check board Format was used for the synergistic effect of ciprofloxacin with Beta-lactam antibiotics. The synergistic effect was determined with four- fold reduction of initial MIC. Results: Totally, 67 strains of Streptococci were used, in which 50 strains (74.6%) were enterococci, 6(9%) were group B streptococcus, 5(7.5%) were non-group A streptococci, 2 (3%) were pneumococci, and 2 were strains of alpha streptococci (3%), respectively. All results were determined by the MIC and MBC of each antibiotic individually and also in combination with ciprofloxacin. Conclusion: The effect of ciprofloxacin on other antibiotics was indifferent, and the synergistic effect was not observed.

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Type of Study: Applicable | Subject: General
Received: 2014/06/22 | Accepted: 2014/06/22 | Published: 2014/06/22

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