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Published in: Respiratory Research 1/2018

Open Access 01-12-2018 | Review

Critical inhaler errors in asthma and COPD: a systematic review of impact on health outcomes

Authors: Omar Sharif Usmani, Federico Lavorini, Jonathan Marshall, William Christopher Nigel Dunlop, Louise Heron, Emily Farrington, Richard Dekhuijzen

Published in: Respiratory Research | Issue 1/2018

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Abstract

Background

Inhaled drug delivery is the cornerstone treatment for asthma and chronic obstructive pulmonary disease (COPD). However, use of inhaler devices can be challenging, potentially leading to critical errors in handling that can significantly reduce drug delivery to the lungs and effectiveness of treatment.

Methods

A systematic review was conducted to define ‘critical’ errors and their impact on health outcomes and resource use between 2004 and 2016, using key search terms for inhaler errors in asthma and COPD (Search-1) and associated health-economic and patient burden (Search-2).

Results

Search-1 identified 62 manuscripts, 47 abstracts, and 5 conference proceedings (n = 114 total). Search-2 identified 9 studies. We observed 299 descriptions of critical error. Age, education status, previous inhaler instruction, comorbidities and socioeconomic status were associated with worse handling error frequency. A significant association was found between inhaler errors and poor disease outcomes (exacerbations), and greater health-economic burden.

Conclusions

We have shown wide variations in how critical errors are defined, and the evidence shows an important association between inhaler errors and worsened health outcomes. Given the negative impact diminished disease outcomes impose on resource use, our findings highlight the importance of achieving optimal inhaler technique, and a need for a consensus on defining critical and non-critical errors.
Appendix
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Metadata
Title
Critical inhaler errors in asthma and COPD: a systematic review of impact on health outcomes
Authors
Omar Sharif Usmani
Federico Lavorini
Jonathan Marshall
William Christopher Nigel Dunlop
Louise Heron
Emily Farrington
Richard Dekhuijzen
Publication date
01-12-2018
Publisher
BioMed Central
Published in
Respiratory Research / Issue 1/2018
Electronic ISSN: 1465-993X
DOI
https://doi.org/10.1186/s12931-017-0710-y

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