Article (Scientific journals)
Paternal history of asthma and airway responsiveness in children with asthma
Raby, B. A.; Van Steen, Kristel; Celedon, J. C. et al.
2005In American Journal of Respiratory and Critical Care Medicine, 172 (5), p. 552-8
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Keywords :
Adolescent; Adult; Asthma/complications/*genetics; Bronchial Hyperreactivity/etiology/*genetics; Child; Child, Preschool; *Fathers; Female; Humans; Male; Medical History Taking; Severity of Illness Index
Abstract :
[en] RATIONALE: Little is known regarding the relationship between parental history of asthma and subsequent airway hyperresponsiveness (AHR) in children with asthma. OBJECTIVES: We evaluated this relationship in 1,041 children with asthma participating in a randomized trial of antiinflammatory medications (the Childhood Asthma Management Program [CAMP]). METHODS: Methacholine challenge testing was performed before treatment randomization and once per year over an average of 4.5 years postrandomization. Cross-sectional and longitudinal repeated measures analyses were performed to model the relationship between PC20 (the methacholine concentration causing a 20% fall in FEV1) with maternal, paternal, and joint parental histories of asthma. Models were adjusted for potential confounders. MEASUREMENTS AND MAIN RESULTS: At baseline, AHR was strongly associated with a paternal history of asthma. Children with a paternal history of asthma demonstrated significantly greater AHR than those without such history (median log(e)PC20, 0.84 vs. 1.13; p = 0.006). Although maternal history of asthma was not associated with AHR, children with two parents with asthma had greater AHR than those with no parents with asthma (median log(e)PC20, 0.52 vs. 1.17; p = 0.0008). Longitudinal multivariate analysis of the relation between paternal history of asthma and AHR using repeated PC20 measurements over 44 months postrandomization confirmed a significant association between paternal history of asthma and AHR among children in CAMP. CONCLUSIONS: Our findings suggest that the genetic contribution of the father is associated with AHR, an important determinant of disease severity among children with asthma.
Disciplines :
Cardiovascular & respiratory systems
Author, co-author :
Raby, B. A.
Van Steen, Kristel  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Bioinformatique
Celedon, J. C.
Litonjua, A. A.
Lange, C.
Weiss, S. T.
Language :
English
Title :
Paternal history of asthma and airway responsiveness in children with asthma
Publication date :
2005
Journal title :
American Journal of Respiratory and Critical Care Medicine
ISSN :
1073-449X
eISSN :
1535-4970
Publisher :
American Thoracic Society, New York, United States - New York
Volume :
172
Issue :
5
Pages :
552-8
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
2005/06/07
Available on ORBi :
since 24 May 2010

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