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Overweight Children Report Qualitatively Distinct Asthma Symptoms: Analysis of Validated Symptom Measures

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Date 2014 Dec 3
PMID 25441640
Citations 27
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Abstract

Background: Past studies of asthma in overweight/obese children have been inconsistent. The reason overweight/obese children commonly report worse asthma control remains unclear.

Objective: To determine qualitative differences in symptoms between lean and overweight/obese children with early-onset, atopic asthma.

Methods: We conducted a cross-sectional analytic study of lean (20% to 65% body mass index) and overweight/obese (≥85% body mass index) 10- to 17-year-old children with persistent, early-onset asthma. Participants completed 2 to 3 visits to provide a complete history, qualitative and quantitative asthma symptom characterization, and lung function testing. We determined associations between weight status and symptoms using multivariable linear and logistic regression methods.

Results: Overweight/obese and lean asthmatic children displayed similar lung function. Despite lower fraction of exhaled nitric oxide (30.0 vs 62.6 ppb; P = .037) and reduced methacholine responsiveness (PC20FEV1 1.87 vs 0.45 mg/mL; P < .012), overweight/obese children reported more than thrice frequent rescue treatments (3.7 vs 1.1 treatments/wk; P = .0002) than did lean children. Weight status affected the child's primary symptom reported with loss of asthma control (Fisher exact test; P = .003); overweight/obese children more often reported shortness of breath (odds ratio = 11.8; 95% CI, 1.41-98.7) and less often reported cough (odds ratio = 0.26; 95% CI, 0.08-0.82). Gastroesophageal reflux scores were higher in overweight/obese children (9.6 vs 23.2; P = .003) and appear to mediate overweight/obesity-related asthma symptoms.

Conclusions: Overweight/obese children with early-onset asthma display poorer asthma control and a distinct pattern of symptoms. Greater shortness of breath and β-agonist use appears to be partially mediated via esophageal reflux symptoms. Overweight children with asthma may falsely attribute exertional dyspnea and esophageal reflux to asthma, leading to excess rescue medication use.

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References
1.
King G, Brown N, Diba C, Thorpe C, Munoz P, Marks G . The effects of body weight on airway calibre. Eur Respir J. 2005; 25(5):896-901. DOI: 10.1183/09031936.05.00104504. View

2.
Sin D, Jones R, Paul Man S . Obesity is a risk factor for dyspnea but not for airflow obstruction. Arch Intern Med. 2002; 162(13):1477-81. DOI: 10.1001/archinte.162.13.1477. View

3.
Scano G, Stendardi L . Dyspnea and asthma. Curr Opin Pulm Med. 2005; 12(1):18-22. DOI: 10.1097/01.mcp.0000199003.46038.82. View

4.
Parshall M, Schwartzstein R, Adams L, Banzett R, Manning H, Bourbeau J . An official American Thoracic Society statement: update on the mechanisms, assessment, and management of dyspnea. Am J Respir Crit Care Med. 2012; 185(4):435-52. PMC: 5448624. DOI: 10.1164/rccm.201111-2042ST. View

5.
Lang J, Hossain J, Dixon A, Shade D, Wise R, Peters S . Does age impact the obese asthma phenotype? Longitudinal asthma control, airway function, and airflow perception among mild persistent asthmatics. Chest. 2011; 140(6):1524-1533. DOI: 10.1378/chest.11-0675. View