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J. Clin. Med. 2018, 7(12), 517; https://doi.org/10.3390/jcm7120517

Mucolytic Agents and Statins Use is Associated with a Lower Risk of Acute Exacerbations in Patients with Bronchiectasis-Chronic Obstructive Pulmonary Disease Overlap

1
Department of Internal Medicine, Taipei City Hospital Yangming Branch, Taipei 11146, Taiwan
2
Institute of Clinical Medicine, National Yang-Ming University, Taipei 11221, Taiwan
3
Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei 11221, Taiwan
4
Department of Chest Medicine, Taipei Veterans General Hospital, Taipei 11217, Taiwan
5
Department of Pharmacy, Taipei Veterans General Hospital, Taipei 11217, Taiwan
6
Department and Institute of Pharmacology, National Yang-Ming University, Taipei 11221, Taiwan
7
School of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan
8
Department of Family Medicine, Taipei Veterans General Hospital, Taipei 11217, Taiwan
9
Institute of Hospital and Health Care Administration, National Yang-Ming University, Taipei 11221, Taiwan
These authors contributed equally to this manuscript.
*
Authors to whom correspondence should be addressed.
Received: 7 October 2018 / Revised: 23 November 2018 / Accepted: 26 November 2018 / Published: 4 December 2018
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Abstract

Background: Bronchiectasis-chronic obstructive pulmonary disease (COPD) overlap (BCO) is a neglected area of trials, and it is not covered by guidelines for clinical practice. Methods: Using the National Health Insurance Research Database of Taiwan, COPD patients with or without bronchiectasis from 2000 to 2009 were enrolled as the BCO and COPD alone cohorts, respectively. Patients followed for <28 days, diagnosed with COPD who were not prescribed with COPD medications, and those diagnosed with bronchiectasis who did not receive a chest X-ray or computed tomography were excluded. The primary endpoints were acute exacerbations and mortality. Results: There were 831 patients in the BCO cohort and 3321 patients in the COPD alone cohort, covering 3763.08 and 17,348.95 person-years, respectively, from 2000 to 2011. The BCO cohort had higher risk for exacerbations (adjusted hazard ratio (HR) 2.26, 95% confidence interval (CI) 1.94–2.63) and mortality (HR 1.46, 95% CI 1.24–1.73) than the COPD alone cohort. In the patients overall, the use of statins, macrolides, and mucolytic agents was associated with significantly lower risks of acute exacerbations (statins, HR 0.37, 95% CI 0.29–0.46; macrolides, HR 0.65, 95% CI 0.45–0.93; mucolytic agents, HR 0.68, 95% CI 0.59–0.78). Statins were associated with a significantly lower risk of mortality (HR 0.32, 95% CI 0.25–0.41). In the BCO group, statins and mucolytic agents use was associated with significantly lower risks of acute exacerbations (statins, HR 0.44, 95% CI 0.29–0.65; mucolytic agents, HR 0.58, 95% CI 0.45–0.75). Conclusion: Statins and mucolytic agents use may lower risk of acute exacerbation in patients with BCO. View Full-Text
Keywords: bronchiectasis; COPD; acute exacerbation; BCO bronchiectasis; COPD; acute exacerbation; BCO
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Su, V. .-F.; Perng, D.-W.; Chou, T.-C.; Chou, Y.-C.; Chang, Y.-L.; Hsu, C.-C.; Chou, C.-L.; Lee, H.-C.; Chen, T.-J.; Hu, P.-W. Mucolytic Agents and Statins Use is Associated with a Lower Risk of Acute Exacerbations in Patients with Bronchiectasis-Chronic Obstructive Pulmonary Disease Overlap. J. Clin. Med. 2018, 7, 517.

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