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Misuse of corticosteroid metered-dose inhaler is associated with decreased asthma stability

Giraud, V., Roche, N.·2002·European Respiratory Journal

Abstract

This study assessed whether the improper use of pressurized metered-dose inhalers (pMDIs) is associated with decreased asthma control in asthmatics treated by inhaled corticosteroids (ICS). General practitioners (GPs) included consecutive asthmatic outpatients treated by pMDI-administered ICS and on-demand, short-acting β 2-agonists. They measured an asthma instability score (AIS) based on daytime and nocturnal symptoms, exercise-induced dyspnoea, β 2-agonist usage, emergency-care visits and global perception of asthma control within the preceding month; the inhalation technique of the patient also was assessed. GPs (n=915) included 4,078 adult asthmatics; 3,955 questionnaires were evaluable. pMDI was misused by 71% of patients, of which 47% was due to poor coordination. Asthma was less stable in pMDI misusers than in good users (AIS: 3.93 versus 2.86, p<0.001). Among misusers, asthma was less stable in poor coordinators (AIS: 4.38 versus 3.56 in good coordinators, p<0.001). To conclude, misuse of pressurized metered-dose inhalers, which is mainly due to poor coordination, is frequent and associated with poorer asthma control in inhaled corticosteroid-treated asthmatics. This study highlights the importance of evaluating inhalation technique and providing appropriate education in all patients, especially before increasing inhaled corticosteroid dosage or adding other agents. The use of devices which alleviate coordination problems should be reinforced in pressurized metered-dose inhaler misusers.

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Metadata

Authors
Giraud, V., & Roche, N.
Venue
European Respiratory Journal
Published
2002-02
Volume
19
Issue
2
Pages
246-251
ISSN
  • 0903-1936 (ISSN-L)
  • 1399-3003
OpenAlex
W2170637423
Cited by
538
References
12
FWCI
8.08
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Misuse of corticosteroid metered-dose inhaler is associated with decreased asthma stability. https://app.cochat.ai/papers/10.1183/09031936.02.00218402
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Giraud, V., & Roche, N. (2002). Misuse of corticosteroid metered-dose inhaler is associated with decreased asthma stability. European Respiratory Journal. https://doi.org/10.1183/09031936.02.00218402

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.