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Open AccessArticle

High-Resolution CT Findings as Predictive Factors for Recurrent Nontuberculous Mycobacterial Pulmonary Disease after Successful Treatment

by 1,†, 1,†, 1 and 2,*
1
Department of Radiology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 102 Heukseok-ro, Dongjak-gu, Seoul 06973, Korea
2
Division of Pulmonary Medicine, Department of Internal Medicine, Chung-Ang University, Chung-Ang University College of Medicine, 102 Heukseok-ro, Dongjak-gu, Seoul 06973, Korea
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
J. Clin. Med. 2021, 10(2), 172; https://doi.org/10.3390/jcm10020172
Received: 10 December 2020 / Revised: 1 January 2021 / Accepted: 5 January 2021 / Published: 6 January 2021
(This article belongs to the Special Issue Tuberculosis, Drug and Diagnostics Development)
Despite long-term treatment for nontuberculous mycobacterial pulmonary disease (NTM-PD), recurrence is common. We aim to identify computed tomography (CT) findings that predict recurrence after successful treatment of NTM-PD. This retrospective study included 44 patients (12 men, 60 ± 11.2 years) successfully treated for NTM-PD between March 2009 and September 2016. Recurrence developed in 18 patients (40.9%) during follow-up (median, 852 days). CT scores for bronchiectasis, bronchiolitis, consolidation, cavities, and nodules at the initiation and termination of treatment were evaluated, then determined association with recurrence. We also assessed the diagnostic performance and reproducibility of CT scores. Patients with recurrent NTM-PD showed higher CT scores for bronchiectasis (p = 0.008), nodules (p = 0.006), consolidation (p = 0.033), and total CT scores (p = 0.017) at the time of treatment termination. On the contrary, only nodule score differed among the initial CT scores (p = 0.014). Regression analysis showed that the scores for bronchiectasis (odds ratio (OR) = 1.638, 95% confidence interval (CI) = 1.049–2.558, p = 0.030) and nodules (OR = 5.246, 95% CI = 1.370–20.087, p = 0.016) at treatment termination were significant predictors. The AUC of the regression model was 0.814 (95% CI = 0.689–0.939, p = 0.005). The interreader agreement for the total CT score was excellent (intraclass correlation coefficient = 0.841, p < 0.001). CT scores at the time of treatment termination can predict disease recurrence with good reproducibility. View Full-Text
Keywords: nontuberculous mycobacteria; recurrence; computed tomography nontuberculous mycobacteria; recurrence; computed tomography
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MDPI and ACS Style

Choi, H.; Cha, M.J.; Kim, Y.S.; Choi, J.C. High-Resolution CT Findings as Predictive Factors for Recurrent Nontuberculous Mycobacterial Pulmonary Disease after Successful Treatment. J. Clin. Med. 2021, 10, 172. https://doi.org/10.3390/jcm10020172

AMA Style

Choi H, Cha MJ, Kim YS, Choi JC. High-Resolution CT Findings as Predictive Factors for Recurrent Nontuberculous Mycobacterial Pulmonary Disease after Successful Treatment. Journal of Clinical Medicine. 2021; 10(2):172. https://doi.org/10.3390/jcm10020172

Chicago/Turabian Style

Choi, Hyewon; Cha, Min J.; Kim, Yang S.; Choi, Jae C. 2021. "High-Resolution CT Findings as Predictive Factors for Recurrent Nontuberculous Mycobacterial Pulmonary Disease after Successful Treatment" J. Clin. Med. 10, no. 2: 172. https://doi.org/10.3390/jcm10020172

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