Assessment of metered dose inhaler technique in family health service patients in Singapore

Singapore Med J. 1999 Jul;40(7):465-7.


Objective: To assess the metered-dose inhaler technique in polyclinic patients with chronic lung disease.

Method: A cross-sectional study was conducted in three polyclinics. The inhalation technique was assessed in six steps.

Results: Only 7.1% of patients could perform all six steps correctly. Percentage of patients performing each of the following steps correctly were: preparation (89.1%), exhalation (53.8%), lip closure (69.2%), inhalation (57.7%), breath-holding (32.1%) and puff interval (35.4%).

Conclusion: This study showed a high incidence of incorrect usage of metered dose inhaler amongst polyclinic patients.

MeSH terms

  • Adolescent
  • Adult
  • Aged
  • Child
  • Cross-Sectional Studies
  • Equipment Failure
  • Humans
  • Middle Aged
  • Nebulizers and Vaporizers* / statistics & numerical data
  • Patient Education as Topic
  • Singapore