Physical activity, restrictions in activity, and body mass index among urban children with persistent asthma

Holderness, Heather; Chin, Nancy P.; Ossip, Deborah J.; Fagnano, Maria; Reznik, Marina; Halterman, Jill S.

doi:10.1016/j.anai.2017.01.014

Cited by 30 publications

(27 citation statements)

References 24 publications

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“…There was an increased risk of current asthma in children who engaged in regular physical exercise (three or more times in a week), similar to that reported in some studies . Though the exact mechanism is unknown, two theories have been proposed: an airway humidity theory, which suggests that air movement through the airway results in relative drying of the airway that serves as a trigger to a cascade of events that then result in airway edema and bronchospasm in susceptible children.…”

Section: Discussionsupporting

confidence: 75%

“…[34][35][36] There was an increased risk of current asthma in children who engaged in regular physical exercise (three or more times in a week), similar to that reported in some studies. [37][38][39][40][41][42][43][44][45] Though the exact mechanism is unknown, two theories have been proposed: an airway humidity theory, which suggests that air movement through the airway results in relative drying of the airway that serves as a trigger to a cascade of events that then result in airway edema and bronchospasm in susceptible children. The other theory, based on airway cooling phenomenon, notes that the air moving in the bronchial tree results in a decreased temperature, which triggers a hyperemic response within the bronchi, in an effort to re-heat the airway.…”

Section: Many Households In Low and Middle-income Countries Burnmentioning

confidence: 99%

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Environmental risk factors for asthma in 13‐14 year old African children

Ayuk

Ramjith

Zar

2018

Pediatric Pulmonology

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Background Asthma prevalence in African children is high. Factors driving the prevalence or disease severity are poorly understood. This study aims to investigate environmental factors associated with asthma and severity in African children. Methods Population based cross‐sectional study of children aged 13–14 years from 10 African centers who participated in ISAAC III. Self‐reported environmental exposures included engaging in physical exercise, television watching, various biomass and ETS exposure, consumption of paracetamol, large family sizes and having pets in the home. Univariable and multivariable analyses were done adjusting for center variations. Prevalences, odds ratio and 95% confidence intervals (CI) were calculated. Results There were 258 267 children recruited among the 13‐14‐year‐old participants. Of these, 28,391 respondents from 232 schools completed both the written questionnaire (WQ) and environmental questionnaire (EQ). The prevalence of asthma and severe asthma were 12.8% (CI 12.4‐13.2), and 8.7% (CI 8.4‐8.0) respectively. Factors strongly associated with asthma were maternal smoking (OR = 1.41; 95%CI: 1.23‐1.64), open fire heating (OR = 1.28; 95%CI: 1.08‐1.51) electric heating (OR = 1.13; 95%CI: 1.01‐1.28), physical exercise (OR = 1.29; 95%CI: 1.11‐1.50), monthly paracetamol use (OR 1.23; 95%CI 1.13‐1.33), having an elder sibling (OR = 0.87; 95%CI 0.77‐0.98). Factors associated with severe asthma were maternal smoking (OR = 1.61; 95%CI: 1.38‐1.89), cat pet (OR = 1.14; 95%CI: 1.04‐1.25), frequent physical exercise (OR = 1.42; 95%CI: 1.23‐1.64) and monthly paracetamol use (OR = 1.20; 95%CI 1.07, 1.34). Conclusion Several environmental exposures were associated with asthma and severe disease.

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Section: Discussionsupporting

confidence: 75%

Section: Many Households In Low and Middle-income Countries Burnmentioning

confidence: 99%

Environmental risk factors for asthma in 13‐14 year old African children

Ayuk

Ramjith

Zar

2018

Pediatric Pulmonology

View full text Add to dashboard Cite

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“…However associations between disease severity, medication prescription, and clinical symptoms are complex since loss of symptom control can occur, because of under‐prescribing, poor inhaler technique, nonadherence to medication, or severe or treatment‐resistant disease. Studies which have compared physical activity in children with severe or poorly controlled asthma to that in those with the less severe or well‐controlled disease have reported conflicting results; some have found reduced physical activity in association with more severe disease, or poorer control, while others have found no association . It is possible that previous hospital admission is a stronger influence upon physical activity than measures of medication or symptoms because it is a strong predictor of future attacks and this is something children with asthma (and their parents) wish to avoid.…”

Section: Discussionmentioning

confidence: 99%

“…To our knowledge, no studies have examined objective measures of physical activity or sedentary time in relation to asthma in a large nationally representative sample. Moreover, only a few studies have considered asthma severity or symptom control in relation to physical activity.…”

Section: Introductionmentioning

confidence: 99%

Physical activity among children with asthma: Cross‐sectional analysis in the UK millennium cohort

Pike

Griffiths

Dezateux

et al. 2019

Pediatric Pulmonology

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Background Although beneficial for health and well‐being, most children do not achieve recommended levels of physical activity. Evidence for children with asthma is mixed, with symptom severity rarely considered. This paper aimed to address this gap. Methods We analyzed cross‐sectional associations between physical activity and parent‐reported asthma symptoms and severity for 6497 UK Millennium Cohort Study 7−year‐old participants (3321, [49%] girls). Primary outcomes were daily moderate‐to‐vigorous physical activity (MVPA, minutes) and proportion of children achieving recommended minimum daily levels of 60 minutes of MVPA. Daily steps, sedentary time, and total activity counts per minute (cpm) were recorded, as were parent‐reported asthma symptoms, medications, and recent hospital admissions. Associations were investigated using quantile (continuous outcomes) and Poisson (binary outcomes) regression, adjusting for demographic, socioeconomic, health, and environmental factors. Results Neither asthma status nor severity was associated with MVPA; children recently hospitalized for asthma were less likely to achieve recommended daily MVPA (risk ratio [95% confidence interval [CI]]: 0.67 [0.44, 1.03]). Recent wheeze, current asthma, and severe asthma symptoms were associated with fewer sedentary hours (difference in medians [95% CI]: −0.18 [−0.27, −0.08]; −0.14 [−0.24, −0.05]; −0.15, [−0.28, −0.02], respectively) and hospital admission with lower total activity (−48 cpm [−68, −28]). Conclusion Children with asthma are as physically active as their asthma‐free counterparts, while those recently hospitalized for asthma are less active. Qualitative studies are needed to understand the perceptions of children and families about physical activity following hospital admission and to inform support and advice needed to maintain active lifestyles for children with asthma.

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“…Children with activity limitations were at significantly greater risk of being overweight or obese. The authors emphasised that efforts are needed to optimize asthma control and provide opportunity for increased physical activity inside and outside of school [ 73 ].…”

Section: Therapeutic Optionsmentioning

confidence: 99%

Children with Obesity and Asthma: Which Are the Best Options for Their Management?

et al. 2018

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Obesity and asthma are complex disorders related to gene-environment interactions and various lifestyle factors. At present, they represent two of the most significant paediatric health problems worldwide, particularly in industrialized nations. The aim of this narrative review is to evaluate possible therapeutic strategies to manage asthma in children with overweight/obesity. PubMed was used to search for all of the studies published from January 2008 to June 2018 using the following key words: “asthma” and “overweight” or “obesity” or “obese” and “children” or “paediatric”. The literature review showed that growing evidence underlines the existence of an “obese asthma” phenotype characterised by difficult-to-control asthma with additional symptoms, worse control, more frequent and severe exacerbations, reduced response to inhaled corticosteroids, and lower quality of life than other phenotypes. Currently, therapeutic strategies centred on prevention are suggested and the development of resources to assist families with weight loss strategies seems useful for effective weight control and optimal asthma management. Studies on vitamin D supplementation and further knowledge are needed to better define the best therapeutic options to manage asthma in children with overweight/obesity and to reduce the onset and severity of this chronic respiratory disease through the design of a multifactorial intervention.

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Physical activity, restrictions in activity, and body mass index among urban children with persistent asthma

Cited by 30 publications

References 24 publications

Environmental risk factors for asthma in 13‐14 year old African children

Environmental risk factors for asthma in 13‐14 year old African children

Physical activity among children with asthma: Cross‐sectional analysis in the UK millennium cohort

Children with Obesity and Asthma: Which Are the Best Options for Their Management?

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