"Multidrug-resistant tuberculosis" may be nontuberculous mycobacteria

European Journal of Internal Medicine
Abdolrazagh Hashemi ShahrakiMehdi Mirsaeidi

Abstract

Multidrug resistant tuberculosis (MDR-TB) presents a great challenge to public health, especially for developing countries. Some nontuberculous mycobacteria (NTM) cause the similar clinical and radiological characteristics with tuberculosis. We aimed to identify the frequency of NTM infections among subjects who were suspected to have MDR-TB due to lack of response to anti-TB treatment. This retrospective study evaluated patients with suspected MDR-TB due to lack of sputum conversion after 2-3 month therapy with first line anti-TB treatment from 2009 through 2014. Cultures for mycobacteria were performed and identification was done to species level by phenotypic and molecular tests. The outcome of the patients with NTM disease and related risk factors for poor outcome were evaluated. Out of 117 consecutive strains isolated from suspected MDR-TB subjects, 35 (30%) strains were identified as NTM by using conventional and molecular approaches. Of these patients with positive NTM cultures, 32 (27%) patients met ATS/IDSA diagnostic criteria. Out of 32, 29 (90%) individuals with confirmed NTM diseases had underlying disorders including 8 subjects with malignancy, 5 with organ transplantations, and 4 with the human immunodeficiency vi...Continue Reading

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Citations

Feb 18, 2016·Emerging Infectious Diseases·Ravikiran M RajuEric J Rubin
Oct 16, 2015·Microbial Drug Resistance : MDR : Mechanisms, Epidemiology, and Disease·Parvin HeidariehAbodolrazagh Hashemi Shahraki
Jul 15, 2015·BioMed Research International·Mehdi MirsaeidiStefano Aliberti
Jun 23, 2015·International Journal of Mycobacteriology·Mehdi Mirsaeidi, Ruxana T Sadikot
Apr 21, 2017·Journal of Breath Research·Theodore R MellorsJane E Hill
Nov 25, 2017·International Journal of Mycobacteriology·Alejandro Hernandez-SolísJosé Ernesto Ramírez-González
Sep 25, 2017·Journal of Clinical Laboratory Analysis·Dandan WuDianxing Sun
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Mar 24, 2020·APMIS : Acta Pathologica, Microbiologica, Et Immunologica Scandinavica·Bruno Vincent LuukinenJari Juhani Hirvonen
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May 14, 2021·Frontiers in Cellular and Infection Microbiology·Laura VictoriaJaime Robledo
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