Comparable characteristics of tuberculous and non-tuberculous mycobacterial cavitary lung diseases

Young Keun Kim, S. Hahn, Y. Uh, D. J. Im, Y. L. Lim, H. K. Choi, H. Y. Kim

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24 Citations (Scopus)

Abstract

OBJECTIVE: To identify characteristics that differentiate lung disease due to non-tuberculous mycobacteria (NTM) from that due to pulmonary tuberculosis (PTB) in acid-fast bacilli (AFB) smear-positive patients with lung cavities. METHODS: From 2006 to 2012, 142 AFB smear- and culture-positive patients with lung cavities were identified at the Wonju Severance Christian Hospital, Wonju, Korea. Clinical and radiographic characteristics were compared between patients withNTMdisease and PTB. RESULTS: Of 142 patients, 112 were diagnosed with PTB and 30 with NTM disease. Patients with NTM disease were older (62 vs. 49 years, P = 0.001), more likely to have had previous anti-tuberculosis treatment (18, 60.0% vs. 34, 30.6%; P = 0.001), more likely to have haemoptysis (9, 30.0% vs. 13, 11.9%; P = 0.022) and less likely to have consolidation on chest radiograph (20, 66.7% vs. 98, 87.5%; P = 0.007) than PTB patients. Multivariate analysis showed that age ≥65 years (OR 3.37, 95%CI 1.24-9.13, P = 0.010) and previous antituberculosis treatment (OR 3.75, 95%CI 1.46-9.65, P = 0.006) were significantly associated with NTM disease. CONCLUSIONS: Cavitary patients with positive AFB smears and NTM or PTB had considerable overlapping clinical characteristics, although patients aged ≥65 years or with a previous history of anti-tuberculosis treatment were more likely to have NTM.

Original languageEnglish
Pages (from-to)725-729+i
JournalInternational Journal of Tuberculosis and Lung Disease
Volume18
Issue number6
DOIs
Publication statusPublished - 2014 Jun 1

All Science Journal Classification (ASJC) codes

  • Pulmonary and Respiratory Medicine
  • Infectious Diseases

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