Epidemiology of Nontuberculous Mycobacteria
isolations among central North Carolina residents, 2006-2010
Smith, G.S., Ghio, A.J., Stout, J.E., Messier, K.P., Hudgens, E., Murphy, M.S., Pfaller, S.L.,
Maillard, J.M., & Hilborn, E.D. (2016). Epidemiology of Nontuberculous Mycobacteria
isolations among central North Carolina residents, 2006-2010. Journal of Infection, 72(6),
Summary Background: Nontuberculous mycobacteria (NTM) are environmental mycobacteria associated with a range of infections. Reports of NTM epidemiology have primarily focused on pulmonary infections and isolations, however extrapulmonary infections of the skin, soft tissues and sterile sites are less frequently described.
Methods: We comprehensively reviewed laboratory reports of NTM isolation from North Carolina residents of three counties during 2006e2010. We describe age, gender, and race of patients, and anatomic site of isolation for NTM species.
Results: Among 1033 patients, overall NTM isolation prevalence was 15.9/100,000 persons
(13.7/100,000 excluding Mycobacterium gordonae). Prevalence was similar between genders and increased significantly with age. Extrapulmonary isolations among middle-aged black males and pulmonary isolations among elderly white females were most frequently detected. Most isolations from pulmonary sites and blood cultures were Mycobacterium avium complex.
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