Volume 13, Number 1 (6-2014)                   jhosp 2014, 13(1): 69-77 | Back to browse issues page


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Hajihasani A, Mohammadzadeh M, Zeraati H, Rahbar M, Alavimoghaddam M, Sabzi M, et al . Surveying the Frequency of Non-Fermentative Gram-Negative Bacilli in the Environment and Equipment of Tehran Selected Hospitals. jhosp. 2014; 13 (1) :69-77
URL: http://jhosp.tums.ac.ir/article-1-5294-en.html

1- MSc student, Division of Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences
2- MSc, Department of Microbiology, Milad Hospital
3- 3Associate Professor, Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences
4- Professor, Department of Microbiology, Iranian Reference Health Laboratory
5- Associate Professor ,Emergency Medicine Department, Imam Hossein General Hospital, Shahid Beheshti University of Medical Sciences
6- BSc, Committee of Infection Control, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences
7- BSc, Division of Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences
8- MSc, Division of Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences
9- Professor, Division of Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences
10- Assistant Professor, Division of Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences (*Corresponding Author) Tel: 88973901 mdouraghi@tums.ac.ir , mdouraghi@tums.ac.ir
Abstract:   (4100 Views)
Background: Non-fermentative, gram-negative bacilli (NFGNB) have emerged as a factor of nosocomial infections and mortal epidemics . Hospital environment is one of the most important sources of NFGNB`s colonization and diffusion. This study is aimed to assess the frequency of NFGNB in various wards of selected hospitals of Tehran. Materials & Methods: 469 samples were randomly selected from various wards from two hospitals during a period of 11 weeks. All isolations had been identified using standard microbiological, biochemical and phenotypic tests. The data were analyzed by SPSS software (version 11.5). Results: Fifty three specimens were positive for NFGNB. Stenotrophomonas maltophilia and Burkholderia cepacia complex were found as predominant bacteria in hospital I(28%) and II (28.6%).The highest rate of NFGNB isolated from surfaces was 60.3% .The pediatric ward was identified as the most contaminated ward (50%). Conclusion: Several genus of NFGNB are found in hospitals. Therefore, identifying other NFGNB`s genus and training health care staff are of prime importance. NFGNB`s distribution depends on type of ward, surface, and equipment. Periodic sampling of hospital environment can be effective against spreading infection.
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Type of Study: Original Article | Subject: سایر
Received: 2014/06/5 | Accepted: 2014/06/5 | Published: 2014/06/5

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