Inhaler device, administration technique, and adherence to inhaled corticosteroids in patients with asthma

Angkana Roy; Kayleigh Battle; Linda Lurslurchachai; Ethan A. Halm; Juan P. Wisnivesky

doi:10.4104/pcrj.2011.00022

Inhaler device, administration technique, and adherence to inhaled corticosteroids in patients with asthma

Angkana Roy, Kayleigh Battle, Linda Lurslurchachai, Ethan A. Halm, Juan P. Wisnivesky

Research output: Contribution to journal › Article › peer-review

47 Scopus citations

Abstract

To compare inhaled corticosteroid (ICS) inhaler type with user technique and ICS medication adherence among adults with asthma. Methods: We classified 270 adults into two groups by ICS device type: metered-dose inhaler (MDI) or dry powder inhaler (DPI). Inhaler technique was assessed using standardised checklists. Medication adherence was evaluated using the Medication Adherence Report Scale (MARS). Differences in inhaler technique and MARS score among patients using MDIs versus DPIs were evaluated. Results: Univariate analysis showed no difference in technique scores between the groups (p=0.46), but better ICS adherence among DPI users (p=0.001). In multivariable analysis, DPI use remained significantly associated with higher rates of adherence (OR 2.2; 95% CI 1.2 to 3.8) but not with inhaler technique (-0.2; 95% CI -0.5 to 0.1) after adjusting for potential confounders. Conclusions: Type of inhaler device appears to be associated with adherence to asthma controller medications. Prospective studies are needed to elucidate further the potential effect of the type of ICS delivery device on asthma self-management.

Original language	English (US)
Pages (from-to)	148-154
Number of pages	7
Journal	Primary Care Respiratory Journal
Volume	20
Issue number	2
DOIs	https://doi.org/10.4104/pcrj.2011.00022
State	Published - Jun 2011

Keywords

Adherence
Asthma
Inhaled corticosteroids
Inhaler device
Management
Treatment

ASJC Scopus subject areas

Pulmonary and Respiratory Medicine
Public Health, Environmental and Occupational Health

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10.4104/pcrj.2011.00022

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abstract = "To compare inhaled corticosteroid (ICS) inhaler type with user technique and ICS medication adherence among adults with asthma. Methods: We classified 270 adults into two groups by ICS device type: metered-dose inhaler (MDI) or dry powder inhaler (DPI). Inhaler technique was assessed using standardised checklists. Medication adherence was evaluated using the Medication Adherence Report Scale (MARS). Differences in inhaler technique and MARS score among patients using MDIs versus DPIs were evaluated. Results: Univariate analysis showed no difference in technique scores between the groups (p=0.46), but better ICS adherence among DPI users (p=0.001). In multivariable analysis, DPI use remained significantly associated with higher rates of adherence (OR 2.2; 95% CI 1.2 to 3.8) but not with inhaler technique (-0.2; 95% CI -0.5 to 0.1) after adjusting for potential confounders. Conclusions: Type of inhaler device appears to be associated with adherence to asthma controller medications. Prospective studies are needed to elucidate further the potential effect of the type of ICS delivery device on asthma self-management.",

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Inhaler device, administration technique, and adherence to inhaled corticosteroids in patients with asthma

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