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[Exercise capacity in children with mild sleep-disordered breathing].

J Ricard1, H Vlachos1, M-E Dumas1

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Revue Des Maladies Respiratoires
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PubMed
Summary

Children with sleep-disordered breathing (SDB) show reduced exercise capacity and physical activity. Exercise training may offer clinical benefits for these children.

Keywords:
Aptitude physiqueChildrenEnfantExercise testObstructivePhysical fitnessSAOSSleep apneaSleep apnea syndromeSyndrome d’apnées obstructives du sommeilÉpreuve d’effort

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Area of Science:

  • Pediatric Pulmonology
  • Exercise Physiology
  • Sleep Medicine

Background:

  • Sleep-disordered breathing (SDB) is linked to reduced physical activity in children.
  • Limited data exists on SDB's impact on children's exercise capacity.

Purpose of the Study:

  • To assess exercise capacity in children with SDB.
  • To evaluate the potential benefit of exercise training interventions for children with SDB.

Main Methods:

  • Compared 12 children with suspected SDB to 11 healthy controls (aged 13±0.5 years).
  • Utilized polysomnography, physical activity assessment, and incremental/all-out exercise tests.

Main Results:

  • SDB group had a higher respiratory disturbance index (4.6±4.7 vs 0.8±0.6).
  • Children with SDB exhibited lower VO2max (32.0±9.9 vs 42.3±5.7mL·kg−1·min−1) and peak power (8.6±3.4 vs 11.8±1.9W·kg−1).
  • A significant correlation between VO2max and weekly physical activity was found only in the SDB group (P=0.005).

Conclusions:

  • Mild SDB may impair aerobic and anaerobic exercise capacity in children, linked to lower physical activity.
  • Exercise training interventions could be clinically beneficial for children experiencing SDB.