AI Article Synopsis
- * Conducted over four months, the feasibility study involved 11 out of 22 screened participants, with 10 starting IMT and 7 completing follow-ups; the intervention consisted of eight weeks of IMT sessions led by a physiotherapist, followed by unsupervised training.
- * Results showed that IMT was generally accepted, adherence was monitored using specific devices and diaries, and four participants later chose to engage in PR after the study.
Article Abstract
Objectives: This feasibility study aimed to assess the acceptability of inspiratory muscle training (IMT) in people with chronic obstructive pulmonary disease (COPD) who declined pulmonary rehabilitation (PR) as a potential treatment option or precursor to PR. Objectives were to assess attitudes to IMT, PR and alternatives to PR; factors influencing adherence with IMT and acceptability of outcome measures, research tools and study protocol.
Design: A pragmatic, mixed methods, prepost feasibility study was conducted. Recruitment took place over a 4-month period. Participants were followed up for a period of 6 months.
Settings: IMT sessions and assessments were conducted in the domiciliary setting.
Participants: Inclusion criteria: people over the age of 35, stable COPD, Medical Research Council Dyspnoea scale of 3 or above, declined PR.
Exclusion Criteria: history of spontaneous pneumothorax, incomplete recovery from a traumatic pneumothorax, asthma, known recently perforated eardrum, unstable angina, ventricular dysrhythmias, cerebrovascular event or myocardial infarction within the last 2 months. Participants were selected from a purposive sample. Of the 22 potential participants screened, 11 were recruited and interviewed. Ten participants commenced IMT. Seven participants completed the follow-up assessment.
Intervention: Eight weeks of IMT twice a day, 5 days a week with visits once weekly by a physiotherapist. Unsupervised IMT twice a day three times a week until follow-up at 6 months.
Outcomes: Acceptability of IMT and the study process was explored via semi-structured interviews. Adherence with IMT was assessed by the Powerbreathe K3 device and participant diaries. Uptake of PR was identified.
Results: IMT was found to be acceptable. Adherence was explored. Four people went on to participate in PR.
Conclusions: Feasibility was established. A randomised controlled trial is warranted to establish efficacy and cost-effectiveness of IMT in those who decline PR and IMT as an intervention to promote uptake of PR.
Trial Registration Number: NCT01956565; Post-results.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6701573 | PMC |
| http://dx.doi.org/10.1136/bmjopen-2018-028507 | DOI Listing |
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