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Exercise and obstructive sleep apnoea: a 24-week follow-up study.

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High-intensity exercise training for obstructive sleep apnea showed no lasting benefits after 12 weeks. Long-term follow-up at 24 weeks revealed no significant differences in apnea-hypopnea index or sleepiness between groups.

Keywords:
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Area of Science:

  • Sleep Medicine
  • Exercise Physiology

Background:

  • Obstructive sleep apnea (OSA) is a common sleep disorder characterized by repeated airway collapse during sleep.
  • High-intensity interval training (HIIT) has emerged as a potential intervention for OSA, but long-term efficacy requires further investigation.

Purpose of the Study:

  • To evaluate the long-term effects of a 12-week high-intensity exercise training program on the apnea-hypopnea index (AHI) and daytime sleepiness in adults with moderate to severe OSA.

Main Methods:

  • A randomized controlled trial involving 26 participants with moderate to severe OSA.
  • Participants were assigned to either 12 weeks of supervised HIIT or a control group.
  • Sleep evaluations, including AHI and Epworth sleepiness scores, were conducted at baseline, 12 weeks, and a 24-week long-term follow-up.

Main Results:

  • At the 24-week follow-up, no statistically significant differences were observed between the HIIT and control groups in AHI, Epworth scores, mean oxygen saturation, or oxygen desaturation events.
  • Body mass index (BMI) remained unchanged in both groups throughout the study.
  • Only two participants in the HIIT group reported continuing the exercise intervention at 24 weeks.

Conclusions:

  • The positive effects of 12 weeks of supervised HIIT on AHI and daytime sleepiness in individuals with moderate to severe OSA were not sustained at the 24-week follow-up.
  • These findings suggest that continuous adherence to exercise interventions may be necessary to maintain benefits for OSA management.