User error with diskus and turbuhaler by asthma patients and pharmacists in Jordan and Australia

Iman A. Basheti, Eyad Qunaibi, Sinthia Z. Bosnic-Anticevich, Carol L. Armour, Samar Khater, Muthana Omar, Helen K. Reddel

Research output: Contribution to journalArticlepeer-review

55 Citations (Scopus)

Abstract

BACKGROUND: Use of inhalers requires accurate completion of multiple steps to ensure effective medication delivery.

OBJECTIVE: To evaluate the most problematic steps in the use of Diskus and Turbuhaler for pharmacists and patients in Jordon and Australia.

METHODS: With standardized inhaler-technique checklists, we asked community pharmacists to demonstrate the use of Diskus and Turbuhaler. We asked patients with asthma to demonstrate the inhaler (Diskus or Turbuhaler) they were currently using.

RESULTS: Forty-two community pharmacists in Jordan, and 31 in Australia, participated. In Jordan, 51 asthma patients demonstrated use of Diskus, and 40 demonstrated use of Turbuhaler. In Australia, 53 asthma patients demonstrated use of Diskus, and 42 demonstrated use of Turbuhaler.

RESULTS: The pharmacists in Australia had received inhaler-technique education more recently than those in Jordan (P = .03). With Diskus, few pharmacists in either country demonstrated correct technique for step 3 (exhale to residual volume) or step 4 (exhale away from the device), although there were somewhat fewer errors in Australia than Jordan (16% vs 0% in step 3, P = .007, and 20% vs 0% in step 4, P = .003 via chi-square test). With Turbuhaler there were significant differences between the pharmacists from Australia and Jordan, mainly in step 2 (hold the device upright while loading, 45% vs 2% correct, P < .001). Few of the patients had received inhaler-technique education in the previous year. The patients made errors similar to those of the pharmacists in individual steps with Diskus and Turbuhaler. The essential steps with Diskus were performed correctly more often by the Jordanian patients, and with Turbuhaler by the Australian patients.

CONCLUSIONS: Despite differences in Jordan's and Australia's health systems, pharmacists from both Australia and Jordan had difficulty with the same Diskus and Turbuhaler steps. In both countries, the errors made by the asthma patients were similar to those made by the pharmacists.
Original languageEnglish
Pages (from-to)1916-1923
Number of pages8
JournalRespiratory Care
Volume56
Issue number12
DOIs
Publication statusPublished - 1 Dec 2011
Externally publishedYes

Keywords

  • inhaler technique
  • asthma management
  • pharmacists
  • asthma education

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