Impaired cardiorespiratory and neuromuscular fitness in children and adolescents with juvenile idiopathic arthritis: a cross-sectional case–control study in the era of biologic drug therapies

Abstract Background In recent years, biologic drug therapies have altered the course of juvenile idiopathic arthritis (JIA) possibly also improving the patients’ physical fitness. However, studies measuring both cardiorespiratory and muscular fitness in children with JIA are sparse and have failed t...

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Main Authors: Kati Räsänen, Kati Markula-Patjas, Saija Kantanen, Kalle Sipilä, Timo A. Lakka, Pekka Arikoski, Eija Piippo-Savolainen
Format: Article
Language:English
Published: BMC 2023-03-01
Series:Pediatric Rheumatology Online Journal
Subjects:
Online Access:https://doi.org/10.1186/s12969-023-00808-9
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author Kati Räsänen
Kati Markula-Patjas
Saija Kantanen
Kalle Sipilä
Timo A. Lakka
Pekka Arikoski
Eija Piippo-Savolainen
author_facet Kati Räsänen
Kati Markula-Patjas
Saija Kantanen
Kalle Sipilä
Timo A. Lakka
Pekka Arikoski
Eija Piippo-Savolainen
author_sort Kati Räsänen
collection DOAJ
description Abstract Background In recent years, biologic drug therapies have altered the course of juvenile idiopathic arthritis (JIA) possibly also improving the patients’ physical fitness. However, studies measuring both cardiorespiratory and muscular fitness in children with JIA are sparse and have failed to show consistent results. Our aim was to assess both cardiorespiratory and neuromuscular fitness and contributing factors in children and adolescents with JIA in the era of biologic drug therapies. Methods This cross-sectional study consisted of 73 JIA patients (25 boys, 48 girls) aged 6.8- 17.5 years and 73 healthy age- and sex-matched controls, investigated in 2017–2019. Cardiorespiratory fitness was assessed by maximal ergospirometry and neuromuscular fitness by speed, agility, balance, and muscle strength tests. Results Means (± SD) of maximal workload (Wmax/kg) and peak oxygen uptake (VO2peak/kg,) were lower in JIA patients than in controls (Wmax/kg: 2.80 ± 0.54 vs. 3.14 ± 0.50 Watts, p < 0.01; VO2peak/kg: 38.7 ± 7.53 vs. 45.8 ± 6.59 ml/min/kg, p < 0.01). Shuttle-run, sit-up and standing long jump test results were lower in JIA patients than in controls (p < 0.01). Mean (± SD) daily activity was lower (89.0 ± 44.7 vs. 112.7 ± 62.1 min/day, p < 0.05), and sedentary time was higher (427 ± 213 vs. 343 ± 211 min/day, p < 0.05) in JIA patients compared to controls. Physical activity and cardiorespiratory or neuromuscular fitness were not associated with disease activity. Conclusions JIA patients were physically less active and had lower cardiorespiratory and neuromuscular fitness than their same aged controls with no JIA. Therefore, JIA patients should be encouraged to engage in physical activities as a part of their multidisciplinary treatment protocols to prevent adverse health risks of low physical activity and fitness.
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spelling doaj.art-fa9243d8fad9494297b6b928943bc0972023-03-22T10:40:40ZengBMCPediatric Rheumatology Online Journal1546-00962023-03-0121111110.1186/s12969-023-00808-9Impaired cardiorespiratory and neuromuscular fitness in children and adolescents with juvenile idiopathic arthritis: a cross-sectional case–control study in the era of biologic drug therapiesKati Räsänen0Kati Markula-Patjas1Saija Kantanen2Kalle Sipilä3Timo A. Lakka4Pekka Arikoski5Eija Piippo-Savolainen6Pediatric Research Unit, University of Eastern Finland and Kuopio University HospitalCenter for Child Health Research, Tampere University and Department of Pediatrics, Tampere University HospitalCenter for Child Health Research, Tampere University and Department of Pediatrics, Tampere University HospitalDepartment of Clinical Physiology and Nuclear Medicine, Faculty of Medicine and Health Technology, Tampere University and Tampere University HospitalInstitute of Biomedicine, School of Medicine, University of Eastern FinlandPediatric Research Unit, University of Eastern Finland and Kuopio University HospitalPediatric Research Unit, University of Eastern Finland and Kuopio University HospitalAbstract Background In recent years, biologic drug therapies have altered the course of juvenile idiopathic arthritis (JIA) possibly also improving the patients’ physical fitness. However, studies measuring both cardiorespiratory and muscular fitness in children with JIA are sparse and have failed to show consistent results. Our aim was to assess both cardiorespiratory and neuromuscular fitness and contributing factors in children and adolescents with JIA in the era of biologic drug therapies. Methods This cross-sectional study consisted of 73 JIA patients (25 boys, 48 girls) aged 6.8- 17.5 years and 73 healthy age- and sex-matched controls, investigated in 2017–2019. Cardiorespiratory fitness was assessed by maximal ergospirometry and neuromuscular fitness by speed, agility, balance, and muscle strength tests. Results Means (± SD) of maximal workload (Wmax/kg) and peak oxygen uptake (VO2peak/kg,) were lower in JIA patients than in controls (Wmax/kg: 2.80 ± 0.54 vs. 3.14 ± 0.50 Watts, p < 0.01; VO2peak/kg: 38.7 ± 7.53 vs. 45.8 ± 6.59 ml/min/kg, p < 0.01). Shuttle-run, sit-up and standing long jump test results were lower in JIA patients than in controls (p < 0.01). Mean (± SD) daily activity was lower (89.0 ± 44.7 vs. 112.7 ± 62.1 min/day, p < 0.05), and sedentary time was higher (427 ± 213 vs. 343 ± 211 min/day, p < 0.05) in JIA patients compared to controls. Physical activity and cardiorespiratory or neuromuscular fitness were not associated with disease activity. Conclusions JIA patients were physically less active and had lower cardiorespiratory and neuromuscular fitness than their same aged controls with no JIA. Therefore, JIA patients should be encouraged to engage in physical activities as a part of their multidisciplinary treatment protocols to prevent adverse health risks of low physical activity and fitness.https://doi.org/10.1186/s12969-023-00808-9Juvenile idiopathic arthritisDisease activityPhysical activityCardiorespiratory fitnessNeuromuscular fitness
spellingShingle Kati Räsänen
Kati Markula-Patjas
Saija Kantanen
Kalle Sipilä
Timo A. Lakka
Pekka Arikoski
Eija Piippo-Savolainen
Impaired cardiorespiratory and neuromuscular fitness in children and adolescents with juvenile idiopathic arthritis: a cross-sectional case–control study in the era of biologic drug therapies
Pediatric Rheumatology Online Journal
Juvenile idiopathic arthritis
Disease activity
Physical activity
Cardiorespiratory fitness
Neuromuscular fitness
title Impaired cardiorespiratory and neuromuscular fitness in children and adolescents with juvenile idiopathic arthritis: a cross-sectional case–control study in the era of biologic drug therapies
title_full Impaired cardiorespiratory and neuromuscular fitness in children and adolescents with juvenile idiopathic arthritis: a cross-sectional case–control study in the era of biologic drug therapies
title_fullStr Impaired cardiorespiratory and neuromuscular fitness in children and adolescents with juvenile idiopathic arthritis: a cross-sectional case–control study in the era of biologic drug therapies
title_full_unstemmed Impaired cardiorespiratory and neuromuscular fitness in children and adolescents with juvenile idiopathic arthritis: a cross-sectional case–control study in the era of biologic drug therapies
title_short Impaired cardiorespiratory and neuromuscular fitness in children and adolescents with juvenile idiopathic arthritis: a cross-sectional case–control study in the era of biologic drug therapies
title_sort impaired cardiorespiratory and neuromuscular fitness in children and adolescents with juvenile idiopathic arthritis a cross sectional case control study in the era of biologic drug therapies
topic Juvenile idiopathic arthritis
Disease activity
Physical activity
Cardiorespiratory fitness
Neuromuscular fitness
url https://doi.org/10.1186/s12969-023-00808-9
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