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The effects of inspiratory muscle training on cardiorespiratory functions in juvenile idiopathic arthritis: A

Devrim Can Sarac1, Deniz Bayraktar1, Derya Ozer Kaya1

  • 1Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Izmir Katip Celebi University, Izmir, Turkiye.

Pediatric Pulmonology
|December 1, 2023
PubMed

Insights

Inspiratory muscle training (IMT) significantly improved respiratory function and aerobic capacity in children with juvenile idiopathic arthritis (JIA). This non-invasive intervention offers a promising approach for enhancing physical performance in JIA patients.

Area of Science:

  • Pediatrics
  • Rheumatology
  • Exercise Physiology

Background:

  • Juvenile idiopathic arthritis (JIA) is a chronic condition affecting children, with potential impacts on respiratory and exercise capacity.
  • Inspiratory muscle training (IMT) is established for adults with rheumatic diseases, but its efficacy in pediatric populations with JIA is not well-documented.

Purpose of the Study:

  • To evaluate the effectiveness of an 8-week home-based IMT program in improving respiratory function and aerobic capacity in children diagnosed with JIA.

Main Methods:

  • A randomized controlled trial involving 33 children (13-18 years) with JIA, divided into an IMT exercise group (n=17) and a control group (n=16).
  • The exercise group performed daily IMT for 8 weeks, with progressive load increases. Respiratory parameters (FVC, FEV1, PImax, PEmax) and cardiopulmonary exercise test measures (VO2peak, METs) were assessed.
  • Functional capacity and quality of life were evaluated using the 6-minute walk test and the Pediatric Quality of Life Inventory 3.0 Arthritis Module.

Main Results:

  • The IMT group demonstrated significant improvements in forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), maximal inspiratory pressure (PImax), and maximal expiratory pressure (PEmax).
  • Peak oxygen consumption (VO2peak) and metabolic equivalents (METs) also showed significant increases in the IMT group compared to the control group.
  • These improvements in respiratory and aerobic measures were statistically significant (p < .05) and greater in the exercise group than the control group.

Conclusions:

  • Home-based IMT is an effective intervention for enhancing respiratory muscle strength and aerobic exercise capacity in children with JIA.
  • IMT presents a viable, non-pharmacological strategy to improve physical function and potentially quality of life in pediatric patients with JIA.
Abstract

Keywords:
aerobic capacitypulmonary functionrespiratory muscle exercise

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