Patient’s Perception of Symptoms Related to Morning Activity in Chronic Obstructive Pulmonary Disease: The SYMBOL Study

Title
Patient’s Perception of Symptoms Related to Morning Activity in Chronic Obstructive Pulmonary Disease: The SYMBOL Study
Author(s)
이관호김연재[김연재]이병기[이병기]정치영[정치영]전영준[전영준]현대성[현대성]김경찬[김경찬]유성근[유성근]신원혁[신원혁]최혜숙[최혜숙]
Keywords
Perception; Morning; Symptoms; Activities; Chronic obstructive pulmonary disease
Issue Date
201212
Publisher
대한내과학회
Citation
The Korean Journal of Internal Medicine, v.27, no.4, pp.426 - 435
Abstract
Background/Aims: Patients with chronic obstructive pulmonary disease (COPD) experience more problematic respiratory symptoms and have more trouble performing daily activities in the morning. The aim of this study was to assess the perception of COPD symptoms related to morning activities in patients with severe airflow limitation. Methods: Data of 133 patients with severe airflow limitation were analyzed in a prospective, non-interventional study. A clinical symptom questionnaire was completed by patients at baseline. In patients having morning symptoms, defined by at least one or more prominent or aggravating symptom during morning activities, a morning activity questionnaire was also completed at baseline and following 2 months of COPD treatment. Results: The most frequently reported COPD symptom was breathlessness (90.8%). Morning symptoms were reported in 76 (57%) patients; these had more frequent and severe clinical COPD symptoms. The most frequently reported morning activity was getting out of bed (82.9%). The long acting muscarinic antagonist (odds ratio [OR], 6.971;95% confidence interval [CI], 1.317 to 11.905) and chest tightness (OR, 0.075; 95% CI, 0.011 to 0.518) were identified as significantly related to absence of morning symptoms. There was no significant correlation between the degree of forced expiratory volume in 1 second improvement and severity score differences of all items of morning activity after 2-month treatment. Conclusions: Fifty-seven percent of COPD patients with severe airflow limitation have morning symptoms that limit their morning activities. These patients also have more prevalent and severe COPD symptoms. The results of this study therefore provide valuable information for the development of patient-reported outcomes in COPD.
URI
http://hdl.handle.net/YU.REPOSITORY/26459http://dx.doi.org/10.3904/kjim.2012.27.4.426
ISSN
1226-3303
Appears in Collections:
의과대학 > 내과학교실 > Articles
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