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Effect of 8 weeks of incremental aerobic training on inflammatory mediators, cardiorespiratory indices, and functional capacity in obese children with bronchial asthma
Elnaggar RK, Shendy MA, Elfakharany MS
Pediatric Exercise Science 2021 Feb;33(1):23-31
clinical trial
6/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

PURPOSE: To appraise the effects of incremental aerobic training (IAT) on systemic inflammatory mediators, cardiorespiratory indices, and functional capacity in obese children with bronchial asthma. METHODS: This study included 30 children with asthma (age 8 to 16 y) allocated randomly into either the control group (n = 15; received the traditional pulmonary rehabilitation program) or IAT group (n = 15; engaged in 8 weeks of IAT in addition to the traditional pulmonary rehabilitation program). The systemic inflammatory mediators (high-sensitivity C-reactive protein and interleukin-6), cardiorespiratory indices (peak oxygen uptake, minute ventilation, maximum heart rate, heart rate recovery at 1 min after exercises, and oxygen pulse), and functional capacity (represented by 6-min walk test) were analyzed pretreatment and posttreatment. RESULTS: A significant reduction in the level of high-sensitivity c-reactive protein and interleukin-6 and increase in peak oxygen uptake, minute ventilation, maximum heart rate, and heart rate recovery at 1 minute after exercises was observed among the IAT group as compared with the control group. In addition, the IAT group covered a longer distance in the 6-minute walk test than the control group, suggesting favorable functional capacity. CONCLUSION: The study results imply that IAT has the potential to improve the inflammatory profile, cardiorespiratory fitness, and functional capacity of obese children with bronchial asthma.

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