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Patients with asthma have reduced functional capacity and sedentary behavior

journal contribution
posted on 15.11.2020, 23:25 by MM Reimberg, JRS Pachi, RS Scalco, AJ Serra, L Fernandes, F Politti, GF Wandalsen, D Solé, FC Lanza, Simone Dal Corso
© 2018 Sociedade Brasileira de Pediatria Objective: The modified shuttle test is a field test that avoids the ceiling effect, and there are no reports of a multidimensional assessment concerning physical activity in asthmatic patients. Thus, the aim was to evaluate functional capacity by MST, additionally to perform a multidimensional assessment as physical activity in daily life, muscle strength, and cytokine levels in children and adolescents with asthma, and to correlate these variables. Method: This cross-sectional study included volunteers aged between 6 and 18 years who were divided into two groups: asthma group (n = 43) that received regular treatment and control group (n = 24). Functional capacity was evaluated by distance walked during the MST; physical activity in daily life was evaluated using an accelerometer by the number of steps. Quadriceps femoris strength was evaluated by load cell. Results: Distance walked was lower for the asthma group (790 m [222 m]) when compared with the control group (950 m [240 m]; p = 0.007); however, the number of steps was similar between the two groups (asthma group: 7743 [3075]; control group: 7181 [3040]; p = 0.41), and both groups were classified as sedentary behavior. There was no difference in muscle strength. Tumor necrosis factor-α differed, but interleukin levels were similar between groups. Quadriceps strength was correlated to distance walked (r = 0.62; p < 0.001) and tumor necrosis factor-α to the number of steps taken (r = −0.54, p = 0.005). Conclusion: Children and adolescents undergoing regular asthma treatment showed reduced functional capacity and sedentary behavior. The lower the quadriceps strength, the shorter the distance walked; the higher the tumor necrosis factor-α levels, the lower their daily physical activity levels.

Funding

This study was supported by Sao Paulo Research Foundation (FAPESP), grant no. 2014/12040-0. RSS was supported by Sao Paulo Research Foundation (FAPESP), grant no. 2016/17553-0.

History

Publication Date

01/01/2020

Journal

Jornal de Pediatria

Volume

96

Issue

1

Pagination

7p. (p53-59)

Publisher

Sociedade Brasileira de Pediatria

ISSN

0021-7557

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