Volume 5, Issue 1 (Spring- Summer 2018)                   jpm 2018, 5(1): 20-27 | Back to browse issues page

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Moradi N, Zarei T, Shamsi S, Bahreyni F. The pattern antibiotic resistance of coliforms and entrococcuses isolated from hospital wastewater . jpm. 2018; 5 (1) :20-27
URL: http://jpm.hums.ac.ir/article-1-278-en.html
1- MSC, Microbiology, Food Health Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
2- MSC Student, Laboratory Science, Faculty of Paramedicine, Hormozgan University of Medical Sciences, BandarAbbas, Iran.
3- M.SC, Environmental Engineering-Water and Waste Water, Faculty of Health, Hormozgan University of Medical Sciences, BandarAbbas, Iran.
Abstract:   (139 Views)
Introduction: The water which is prepared for specific uses and has lost its quality is called wastewater. Wastewater of hospitals and health centers contains different pathogens that reveals the necessity of attention to this pollution sources. Therefore, this study was designed to evaluate the antibiotic resistance pattern of bacteria isolated from hospital wastewater treatment plant.
Methods: In this descriptive study (in 2015), the samples of wastewater were collected from the hospital aeration ponds in different seasons. Samples were transferred to the laboratory under standard conditions. The bacteria count were performed by multiple tube test and were reported according to MPN (Most Probable Number) method. Microbial identification tests were performed according to conventional methods. The investigation of antibiotic resistance was performed using Kirby– Bauer standard technique according to method of Clinical and Laboratory Standard Institute 2014 (CLSI). Data were analyzed by SPSS software.
Results: In this study, a total of 20 samples were collected in different seasons. Despite more cases of isolated coliforms, the count of enterococci was higher than that of the coliforms.The highest resistance to ceftazidim (100%) and trimethoprim (85%) was observed in Enterococcus and Coliforms, respectively.
The highestsusceptibility to meropenem, imipenem, gentamycin, and ceftazidim (100%) was observed in Pseudomonas. Also, in the spring and autumn, the antibiotic resistance was higher than in the other seasons.
Conclusion: It is necessary to pay attention to the sources of contamination in order to prevent increasing the burden of contamination of highly resistant bacteria. In addition, it is necessary to conduct a national survey to determine phenotypic and genotypic resistance patterns of bacteria in Iran.
Key Words: Antibiotic Resistance, Coliform, Enterococcus, Waste Water.
Full-Text [PDF 280 kb]   (68 Downloads)    
Type of Study: Research | Subject: Special
Received: 2018/02/20 | Accepted: 2018/09/9 | Published: 2018/09/23

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