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:: Volume 8, Issue 3 (5-2021) ::
jehe 2021, 8(3): 292-300 Back to browse issues page
Investigation of Legionella Pneumophila bacteria in hospital water supply systems
Maryam Moradnia , Sheno Ghaderi , Mohammad Noorisepehr , Mehdi Salari , Delnniya khani , Mohammad Darvishmotevalli *
Research Center for Health, Safety and Environment (RCHSE), Alborz University of Medical Sciences, Karaj, Iran
Abstract:   (721 Views)
Introduction: Legionella Pneumophila bacteria is known as one of the most important nosocomial infections and the most common cause of death in patients. This study was aimed to identify Legionella Pneumophila bacteria in hospital water supply systems.
Material and Methods: This descriptive cross-sectional study was performed to identify Legionella pneumophila in hot and cold-water systems of important and sensitive wards of Imam Khomeini Hospital in Divandareh city (neonatal, dialysis, obstetric, gynecological and men's surgery). A total of 60 samples were collected from these sections.
Results: According to the results of this study, a total of 17 (28%) of all samples were infected by Legionella pneumophila bacteria in water supply systems including hot showers and cold water in neonatal, dialysis, delivery, surgery. gynecology and men's surgery wards were identified.
Conclusion: Lack of proper water treatment system, low residual chlorine content, and presence of biofilm in water supply system and proper temperature range of growth with this bacterium could be the major causes of Legionella contamination in the studied hospital.
Keywords: Infection, Legionella, Hospital
Full-Text [PDF 871 kb]   (328 Downloads)    
Type of Study: Research | Subject: Special
Received: 2021/04/5 | Accepted: 2021/06/11 | Published: 2021/06/21
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Moradnia M, Ghaderi S, Noorisepehr M, Salari M, khani D, Darvishmotevalli M. Investigation of Legionella Pneumophila bacteria in hospital water supply systems. jehe 2021; 8 (3) :292-300
URL: http://jehe.abzums.ac.ir/article-1-857-en.html

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Volume 8, Issue 3 (5-2021) Back to browse issues page
مجله مهندسی بهداشت محیط Journal of Environmental Health Enginering
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