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KMID : 1044520170800010035
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Tuberculosis and Respiratory Diseases
2017 Volume.80 No. 1 p.35 ~ p.44
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Loculated Tuberculous Pleural Effusion: Easily Identifiable and Clinically Useful Predictor of Positive Mycobacterial Culture from Pleural Fluid
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Ko You-Sang
Kim Chang-Hwan
Chang Bok-Soon
Lee Suh-Young
Park So-Young
Mo Eun-Kyung
Hong Su-Jin
Lee Myung-Goo
Hyun In-Gyu
Park Yong-Bum
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Abstract
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Background: Isolation of M. tuberculosis (MTB) is required in cases of Tuberculous pleural effusion (TBPE) for confirming diagnosis and successful therapy based on drug sensitivity test. Several studies have focused on predictors of MTB culture positivity in TBPE. However, the clinical role of loculated TBPE as a predictor of MTB cultivation from TBPE remains unclear. The aim of this study was to examine possible predictors including loculation of TBPE of MTB culture positivity in TBPE.
Methods: We retrospectively examined associations between clinical, radiological, microbiological, and laboratory characteristics and positive MTB culture from TBPE to determine a potent predictor of culture positivity.
Results: From January 2011 to August 2015, 232 patients with TBPE were identified. Of these, 219 were finally analyzed. Among them, 69 (31.5%) were culture positive for MTB in TBPE and 86 (39.3%) had loculated TBPE. In multivariate logistic regression analysis, the loculation of TBPE was independently associated with culture positivity for MTB in TBPE (adjusted odds ratio [OR], 40.062; 95% confidence interval [CI], 9.355?171.556; p<0.001). In contrast, the lymphocyte percentage of TBPE (adjusted OR, 0.934; 95% CI, 0.899?0.971; p=0.001) was inversely associated with culture positivity for MTB in TBPE.
Conclusion: In clinical practice, identification of loculation in TBPE is easy, reliable to measure, not uncommon and may be helpful to predict the possibility of positive mycobacterial culture.
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KEYWORD
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Tuberculosis, Pleural Effusion, Pleurisy
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