Surveillance and molecular characterization of non-tuberculous mycobacteria in a hospital water distribution system over a three-year period. 2014

B Crago, and C Ferrato, and S J Drews, and T Louie, and H Ceri, and R J Turner, and A Roles, and M Louie
Department of Microbiology, Immunology & Infectious Diseases, University of Calgary, Calgary, Alberta, Canada. Electronic address: bryanne.crago@albertahealthservices.ca.

A three-year surveillance of non-tuberculous mycobacteria (NTM) in a hospital water distribution system was conducted at a facility located in southern Alberta. NTM was not present in any intake water samples, but was found in 106/183 (58%) of endpoint samples across 15 sites over the study period. Two different species of NTM were identified, Mycobacterium gordonae (88/183) and Mycobacterium avium (34/183); with only one strain of each M. gordonae and M. avium found. Given the sensitive nature of a healthcare facility, attention should be paid to minimize potential impact of NTM from potable water sources on patient health.

UI MeSH Term Description Entries
D009162 Mycobacterium avium A bacterium causing tuberculosis in domestic fowl and other birds. In pigs, it may cause localized and sometimes disseminated disease. The organism occurs occasionally in sheep and cattle. It should be distinguished from the M. avium complex, which infects primarily humans.
D009170 Nontuberculous Mycobacteria So-called atypical species of the genus MYCOBACTERIUM that do not cause tuberculosis. They are also called tuberculoid bacilli, i.e.: M. abscessus, M. buruli, M. chelonae, M. duvalii, M. flavescens, M. fortuitum, M. gilvum, M. gordonae, M. intracellulare (see MYCOBACTERIUM AVIUM COMPLEX;), M. kansasii, M. marinum, M. obuense, M. scrofulaceum, M. szulgai, M. terrae, M. ulcerans, M. xenopi. Atypical Mycobacteria,Mycobacteria, Atypical,Mycobacterium duvalii,Mycobacterium flavescens,Mycobacterium gilvum,Mycobacterium gordonae,Mycobacterium obuense,Mycobacterium szulgai,Mycobacterium terrae,Mycolicibacter terrae,Mycolicibacterium duvalii,Mycolicibacterium flavescens,Mycolicibacterium gilvum,Mycolicibacterium obuense,Tuberculoid Bacillus,Atypical Mycobacterium,Mycobacterium, Atypical,Non-Tuberculous Mycobacteria,Nontuberculous Mycobacterium
D006761 Hospitals Institutions with an organized medical staff which provide medical care to patients. Hospital
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000416 Alberta A province of western Canada, lying between the provinces of British Columbia and Saskatchewan. Its capital is Edmonton. It was named in honor of Princess Louise Caroline Alberta, the fourth daughter of Queen Victoria. (From Webster's New Geographical Dictionary, 1988, p26 & Room, Brewer's Dictionary of Names, 1992, p12)
D060766 Drinking Water Water that is intended to be ingested. Bottled Water,Potable Water,Water, Bottled,Water, Drinking,Water, Potable
D062665 Epidemiological Monitoring Collection, analysis, and interpretation of data about the frequency, distribution, and consequences of disease or health conditions, for use in the planning, implementing, and evaluating public health programs. Epidemiologic Monitoring,Epidemiologic Surveillance,Monitoring, Epidemiologic,Epidemiologic Surveillances,Monitoring, Epidemiological,Surveillance, Epidemiologic,Surveillances, Epidemiologic

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