59 42

Effects of long-term bronchodilators in bronchiectasis patients with airflow limitation based on bronchodilator response at baseline

Title
Effects of long-term bronchodilators in bronchiectasis patients with airflow limitation based on bronchodilator response at baseline
Author
이현
Keywords
bronchodilator effect; bronchodilator agents; bronchiectasis; airway obstruction
Issue Date
2016-11
Publisher
DOVE MEDICAL PRESS LTD
Citation
INTERNATIONAL JOURNAL OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE, v. 11, no.1, Page. 2757-2764
Abstract
Purpose: The association between positive bronchodilator response (BDR) at baseline and the effect of long-term bronchodilator therapy has not been well elucidated in patients with bronchiectasis. The aims of our study were to explore the association between positive BDR at baseline and lung-function improvement following long-term (3–12 months) bronchodilator therapy in bronchiectasis patients with airflow limitation. Materials and methods: The medical records of 166 patients with clinically stable bronchiectasis who underwent baseline pre- and postbronchodilator spirometry and repeated spirometry after 3–12 months of bronchodilator therapy were retrospectively reviewed. For analysis, patients were divided into two groups, responders and poor responders, based on achievement of at least 12% and 200 mL in forced expiratory volume in 1 second (FEV1) following bronchodilator therapy from baseline FEV1. Results: A total of 57 patients (34.3%) were responders. These patients were more likely to have positive BDR at baseline than poor responders (38.6% [22 of 57] vs 18.3% [20 of 109], P=0.004). This association persisted after adjustment for other confounding factors (adjusted odds ratio 2.298, P=0.034). However, we found FEV1 improved significantly following long-term bronchodilator therapy, even in patients without positive BDR at baseline (change in FEV1 130 mL, interquartile range -10 to 250 mL; P<0.001). Conclusion: Positive BDR at baseline was independently associated with responsiveness to long-term bronchodilator therapy in bronchiectasis patients with airflow limitation. However, FEV1 improvement was also evident in bronchiectasis patients without positive BDR at baseline, suggesting that these patients can benefit from long-term bronchodilator therapy.
URI
https://www.dovepress.com/effects-of-long-term-bronchodilators-in-bronchiectasis-patients-with-a-peer-reviewed-article-COPDhttp://repository.hanyang.ac.kr/handle/20.500.11754/101133
ISSN
1178-2005
DOI
10.2147/COPD.S115581
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
Files in This Item:
Effects of long-term bronchodilators in bronchiectasis patients with airflow limitation based on bronchodilator response at baseline.pdfDownload
Export
RIS (EndNote)
XLS (Excel)
XML


qrcode

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

BROWSE