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Abstract

Objective:

To investigate whether inspiratory muscle training would contribute to the improvement of exercise capacity, dyspnea perception and respiratory functions in lung transplantation candidates.

Design:

Prospective randomized controlled trial.

Setting:

Pulmonary Rehabilitation center.

Subjects:

A total of 34 patients with severe lung disease requiring lung transplantation were randomly allocated to either pulmonary rehabilitation plus inspiratory muscle training group (PR + IMT group, n = 17) or pulmonary rehabilitation group (PR group, n = 17) before any lung transplantation operation.

Methods:

All patients underwent supervised pulmonary rehabilitation program on two days per week for three months. The PR + IMT group received inspiratory muscle training in addition to the standard pulmonary rehabilitation program. The 6-minute walk test, maximal inspiratory pressure, modified Medical Research Concile dyspnea scores and spirometric parameters were measured for each patient.

Results:

The PR + IMT group had statistically significantly increased in walking distance (100 m, P = 0.03), maximum inspiratory pressure (26 cmH₂O, P = 0.001) and alveolar volume ratio of carbonmonoxide diffusion capacity (9%, P = 0.02) than PR group. Although both groups demonstrated a statistically significant decrease in the dyspnea score, no significant differences were found between the groups (P = 0.075). There was no change in spirometric variables in both groups.

Conclusion:

A greater increase in exercise capacity was observed in the PR + IMT group. Our study showed that inspiratory muscle training improved exercise capacity even further and increased the benefits provided by pulmonary rehabilitation.

Keywords

Rehabilitation exercise transplantation maximal inspiratory pressure 6-minute walk test

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The effects of inspiratory muscle training on exercise capacity,dyspnea and respiratory functions in lung transplantation candidates: a randomized controlled trial

Abstract

Objective:

Design:

Setting:

Subjects:

Methods:

Results:

Conclusion:

Keywords

Get full access to this article

References