Resumen

MAPONDELA, K B; DEY, R  y  LEVIN, M. Usability study of a sleeve attachment device for enhancing ease of use of metered dose inhalers in children. SAMJ, S. Afr. med. j. [online]. 2022, vol.112, n.11, pp.842-849. ISSN 2078-5135.  http://dx.doi.org/10.7196/SAMJ.2022.v112i11.16671.

BACKGROUND: Children with asthma often lack the strength to activate their pressurised metered dose inhaler (pMDI). A recently developed sleeve device that attaches to a pMDI reduces the activation force of pMDIs from 36 - 39 Newtons (N) to 12.6 N and monitors the remaining doses with a built-in counter OBJECTIVES: To examine the usability and patient experience of the Easy Squeezy (ES) sleeve attachment device in the paediatric patient population METHODS: This cross-over study included 40 participants aged 5-10 years, half of whom had previous experience in using a pMDI. The experienced participants had used a pMDI for at least 1 year, and the inexperienced participants had no experience of using a pMDI. Participants and their parents recorded their responses on the ease of use, perceptions and satisfaction with using the pMDI alone and the pMDI with the ES RESULTS: The participants felt that it was easier for them to activate the pMDI using the ES. They liked the ES device more than the pMDI and felt happier using the ES device. The parents reported that their children would be happier using the ES and would find it easier to activate the pMDI using the ES, that the built-in counter in the ES would make it easier to keep track of the doses, and that their children would be more likely to take the ES to school and use it there compared with the pMDI. They would recommend the ES to other parents and were willing to buy the device with their own money CONCLUSION: The paediatric participants and their parents reported that the ES made it easier for children to activate the pMDI, that the counter made it easier to keep count of the doses, and that the aesthetics of the ES could potentially remove the stigma attached to use of a pMDI

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