Inhaler usability of a pressurized metered dose inhaler and a soft mist inhaler in patients with COPD: A simulated-use study.

Abstract:

:The objective of this study was to evaluate task performance and handling errors with soft mist inhalers (SMIs) or pressurized metered-dose inhalers (pMDIs) among patients with chronic obstructive pulmonary disease (COPD) experienced with, but not recently trained in, using these devices. This exploratory, noninterventional, simulated-use study (D5970R00004) assessed handling/usability of SMIs and pMDIs in inhaler-experienced patients with COPD (40-78 years; diagnosis ≥6 months). Patients received a device and instruction-for-use leaflet but no training and were recorded while performing tasks required for checking the device, priming, and dosing. Errors that could substantially affect the lung-delivered dose were considered critical. Sixteen of 61 patients (52% male) had used SMIs and 55 had used pMDIs. Thirty-one patients received an SMI and 30 a pMDI. Overall, 79% made ≥5 performance errors (SMI 94%; pMDI 63%) and 49% made ≥5 critical errors (SMI 68%; pMDI 30%). All patients made ≥1 error; three (all pMDI) made no critical errors. Regardless of the device used and previous inhaler experience, patient-centered training, education, and continuous retraining on correct inhaler use should be key aspects of routine patient care in COPD.

journal_name

Chron Respir Dis

authors

Ding B,Siddiqui S,DePietro M,Petersson G,Martin UJ

doi

10.1177/1479972318787914

subject

Has Abstract

pub_date

2019-01-01 00:00:00

pages

1479972318787914

eissn

1479-9723

issn

1479-9731

journal_volume

16

pub_type

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