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Inhaler use in chronic obstructive pulmonary disease

S Oliver1, P J Rees

  • 1Sherman Education Centre, Guy's Hospital, London, UK.

International Journal of Clinical Practice
|April 16, 1998
PubMed
Summary

Proper inhaler technique is crucial for chronic obstructive pulmonary disease (COPD) patients. Many patients struggle with device use, highlighting the need for regular technique review and a limited range of inhaler options.

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Area of Science:

  • Pulmonary Medicine
  • Respiratory Care
  • Pharmacology

Background:

  • Inhaler technique is a significant challenge for patients with chronic obstructive pulmonary disease (COPD), especially the elderly.
  • Effective drug delivery via inhalers is critical for managing COPD symptoms and disease progression.

Purpose of the Study:

  • To assess the usability of seven common inhaler devices in COPD patients.
  • To identify common errors in inhaler technique and their impact on drug delivery.
  • To evaluate patient preference and ease of use for different inhaler types.

Main Methods:

  • Twenty patients with COPD were instructed on the use of seven inhaler devices in a randomized order.
  • Inhaler technique was assessed immediately after instruction and one hour later by two independent observers.
  • Patient preference and perceived ease of use were also recorded.

Main Results:

  • Fourteen patients exhibited at least one critical error leading to failed drug delivery during the study.
  • All inhaler devices demonstrated at least one type of critical error.
  • The Diskhaler device had the highest frequency of errors, while Accuhaler, Autohaler, and Turbohaler scored highest.
  • Overall technique scores decreased one hour post-instruction.
  • Patients preferred the Metered Dose Inhaler and Accuhaler for ease of use.

Conclusions:

  • A limited selection of inhaler devices may be beneficial for COPD patients.
  • Regular assessment and reinforcement of inhaler technique are essential for optimal therapeutic outcomes.
  • Device-specific training and patient preference should be considered in inhaler selection for COPD management.

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