National atypical mycobacteria survey, 2000
DOI:
https://doi.org/10.33321/cdi.2003.27.42Keywords:
atypical mycobacteria, nontuberculous mycobacteria, atypical mycobacteriosis, laboratory diagnosis, MycobacteriumAbstract
Infections with atypical mycobacteria in Australia during 2000 occurred at a rate of 1.8 cases per 100,000 population. The main sites of disease were the respiratory tract, soft tissue, and the lymphatics. The Mycobacterium avium complex was the most common group of mycobacteria isolated from respiratory, lymphatic sites, and blood. The rapidly growing mycobacteria, predominantly the M. fortuitum-M. abscessus-M. chelonae group were the most common soft tissue infections. Atypical mycobacteria were isolated from significant numbers of sputum 'smear positive' patients, requiring further tests to exclude M. tuberculosis. Geographical differences were observed for some Mycobacterium species, notably the isolation of M. haemophilum from Western Australia, and M. ulcerans from Victoria and Queensland. Newer molecular techniques, while improving precision and accuracy of identification, raise additional questions about the ecology of the atypical mycobacteria and their role in disease. Commun Dis Intell 2003;27:180-189.
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