Elsevier

Respiratory Medicine

Volume 104, Issue 1, January 2010, Pages 99-106
Respiratory Medicine

Self-reported inhaler use in patients with chronic obstructive pulmonary disease

https://doi.org/10.1016/j.rmed.2009.07.003Get rights and content
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Summary

COPD is a common disease which is increasing in prevalence. The proportion of patients who vary their inhaler use from what is prescribed and the reasons for variance are largely unknown. The objective of this study was to determine the extent of and reported reasons for patient-reported variance in the use of inhalers prescribed for COPD. A 17-item survey was mailed to 600 ambulatory patients with spirometry-defined COPD. The survey included questions about inhaler use and reasons for using inhalers differently than prescribed. Survey responses were compared between patients reporting no variance vs. variance from prescribed instructions. Logistic regression was used to determine predictors for variance. The response rate was 45.8% (48.7% male; mean age: 73 ± 8 years). Forty percent of respondents were not using inhalers as prescribed. The most common reasons were: feeling the inhalers did not help breathing (20%), forgetting to use inhalers (19%) and cost (15%). Higher education level, home oxygen use and prescriptions for ipratropium were predictors for inhaler variance. The impact of inhaler variance on morbidity of COPD should be evaluated.

Keywords

Pulmonary disease
Chronic obstructive
Data collection
Nebulizers and vaporizers
Metered dose inhalers
Patient compliance

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d

8383 W Alameda Ave, Lakewood, CO 80226, USA.

e

16601 E Centretech Parkway, Aurora, CO 80011, USA.

f

14635 E Wagontrail Dr., Aurora, CO 80015, USA.

g

1375 E 20th Ave, Denver, CO 80205, USA.

h

At the time of this study was a Research Investigator in the Institute of Health Research, Kaiser Permanente Colorado).