Exercise capacity of children with pediatric lung disease

G S Zavorsky1, J R Kryder, S V Jacob

  • 1Department of Obstetrics, Gynecology, and Women's Health, Saint Louis University, Saint Louis, MO 63117, USA. zavorsky@slu.edu

Insights

Children with cystic fibrosis (CF) and bronchopulmonary dysplasia (BPD) show similar peak exercise capacity, indicating mild pulmonary impairment does not affect exercise performance regardless of the condition's origin.

Area of Science:

  • Pediatric Pulmonology
  • Exercise Physiology
  • Chronic Lung Disease

Background:

  • Children with cystic fibrosis (CF) and bronchopulmonary dysplasia (BPD) exhibit similar resting pulmonary function despite different injury mechanisms.
  • This study aimed to compare peak exercise responses between these groups.

Purpose of the Study:

  • To compare peak exercise responses in children with BPD versus CF.
  • To control for pulmonary impairment, nutritional status, gender, age, height, and predicted forced expired volume in 1 second.

Main Methods:

  • Nine children with BPD and nine with CF participated.
  • Participants underwent spirometry and a maximal progressive exercise test on a cycle ergometer.

Main Results:

  • No significant differences were observed between groups in body mass percentile, peak power output (Wpeak), % predicted Wpeak, peak oxygen uptake (VO2peak), or % predicted VO2peak.
  • Both groups achieved near-normal Wpeak and normal VO2peak.

Conclusions:

  • Children with mild pulmonary impairments can achieve near-normal peak power output and normal VO2peak.
  • The etiology or developmental onset of the lung condition does not appear to influence VO2peak or Wpeak.
Abstract

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