Clinical behavior of infection and disease caused by non-tuberculous mycobacteria in Latin America: Scoping review

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Reports of infection and/or disease caused by non-tuberculous mycobacteria (NTM) are becoming in-creasingly frequent. This scope review describes the epidemiological and clinical trend of infection/disease caused by NTM in Latin America. OVID MEDLINE, Embase and LILACS databases were explored for relevant articles. After filtering, we included 44 articles, representing an overall population of 2,826 subjects diagnosed with NTM infection and disease; the majority of the publications included subjects from Brazil and Colombia (75%), cross-sectional studies were the most common (36.6%), most subjects were male (61.3%) and the median age of subjects was 40.1 years. Disease by NTM was reported in 37 publications, extrapulmonary presentation was the most frequent (54%), main comorbidities were other pulmonary di-seases, HIV, cystic fibrosis, diabetes and malnutrition, as reported in 13 studies; tuberculosis diagnosis pre-vious to NTM disease was reported in 15 articles. Aesthetic procedures were reported in 12 articles while clinical procedures were reported in 3 articles. Several NTM species were reported, being Mycobacterium avium (52%), M. abscessus (34%), M. chelonae (18%), M. fortuitum (16%) and M. kansasii (9.1%) the most frequent. Culture and molecular testing were the main methods for diagnosis and identification. Scientific literature on NTM from Latin American countries is scarce. There is an urgent need to conduct studies on the frequency and clinical impact of NTM infections, in order to accurately identify the current morbidity and mortality associated with NTM in Latin American. It is also important to strengthen the local diagnostic capacity and the existing networks focused on studying NTM.




Mora, A. D., Giraldo, S., Castillo, D. A., & Ferro, B. E. (2021). Clinical behavior of infection and disease caused by non-tuberculous mycobacteria in Latin America: Scoping review. Revista Peruana de Medicina Experimental y Salud Publica, 38(2), 318–325.

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