Key result
Inspiratory muscle training in patients with type 2 diabetes mellitus reduced sympathetic modulation and increased functional capacity across six evaluated randomized clinical trials.
Why the study?
Patients with type 2 diabetes mellitus often develop autonomic neuropathy and reduced functional capacity, and the effects of inspiratory muscle training on these parameters and glycemic control warranted evaluation.
Does inspiratory muscle training improve functional capacity, autonomic function, and glycemic indexes in patients with type 2 diabetes mellitus?
Systematic Review
Does inspiratory muscle training improve functional capacity, autonomic function, and glycemic indexes in patients with type 2 diabetes mellitus?
Inspiratory muscle training may improve functional capacity and reduce sympathetic modulation in patients with type 2 diabetes mellitus.
May improve functional capacity and autonomic balance in type 2 diabetes; extends six-RCT evidence but quality varies.
INTRODUCTION: People with type 2 diabetes mellitus present multiple complications and comorbidities, such as peripheral autonomic neuropathies and reduced peripheral force and functional capacity. Inspiratory muscle training is a widely used intervention with numerous benefits for various disorders. The present study aimed to conduct a systematic review to identify inspiratory muscle training effects on functional capacity, autonomic function, and glycemic indexes in patients with type 2 diabetes mellitus. METHODS: A search was carried out by two independent reviewers. It was performed in PubMed®, Cochrane Library, Latin American and Caribbean Literature in Health Sciences (or LILACS), Physiotherapy Evidence Database (PEDro), Embase, Scopus, and Web of Science databases. There were no restrictions of language or time. Randomized clinical trials of type 2 diabetes mellitus with inspiratory muscle training intervention were selected. Studies' methodological quality was assessed using PEDro scale. RESULTS: We found 5,319 studies, and six were selected for qualitative analysis, which was also conducted by the two reviewers. Methodological quality varied - two studies were classified as high quality, two as moderate quality, and two as low quality. CONCLUSION: It was found that after inspiratory muscle training protocols, there was a reduction in the sympathetic modulation and an increase in functional capacity. The results should be carefully interpreted, as there were divergences in the methodologies adopted, populations, and conclusions between the studies evaluated in this review.
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Arruda et al. (2023) conducted a systematic review in Type 2 diabetes mellitus. Inspiratory muscle training was evaluated on Functional capacity, autonomic function, and glycemic indexes. Inspiratory muscle training in patients with type 2 diabetes mellitus reduced sympathetic modulation and increased functional capacity across six evaluated randomized clinical trials.
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