Document Detail


Exhaled nitric oxide in healthy nonatopic school-age children: determinants and height-adjusted reference values.
MedLine Citation:
PMID:  16703576     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Exhaled nitric oxide (FENO) was proposed as a marker of airway inflammation, but data about FENO in healthy children measured with standardized methods are so far limited. In order to assess the determinants of FENO in healthy children, we investigated a population-based sample of school-age children (n = 276) with a questionnaire, skin-prick tests, spirometry, and the measurement of FENO. The FENO of 114 nonatopic and nonsmoking children considered healthy were analyzed with stepwise multiple regression analysis, which showed significant associations with age, standing height, weight, and body surface area, but not with gender. Height was found to be the best independent variable for the regression equation for FENO, which on average showed an increase in the height range of 120-180 cm from 7 to 14 ppb. In the random sample of children, increased FENO was associated with atopy (odds ratio, 9.0; 95% confidence interval, 3.9-21.1; P < 0.0001), and significantly with allergic rhinitis and atopic dermatitis, but not with asthma. Respiratory symptom-free children with skin-prick test positivity had significantly higher FENO than healthy nonatopic subjects. We conclude that height is the best determinant of FENO in healthy children. Due to the strong effect of atopy, FENO data should not be interpreted without knowing the atopic status of the child. The present reference values of FENO may serve in clinical assessments for measuring airway inflammation in children.
Authors:
L P Malmberg; T Petäys; T Haahtela; T Laatikainen; P Jousilahti; E Vartiainen; M J Mäkelä
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Pediatric pulmonology     Volume:  41     ISSN:  8755-6863     ISO Abbreviation:  Pediatr. Pulmonol.     Publication Date:  2006 Jul 
Date Detail:
Created Date:  2006-05-31     Completed Date:  2007-02-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8510590     Medline TA:  Pediatr Pulmonol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  635-42     Citation Subset:  IM    
Affiliation:
Department of Allergy, Helsinki University Central Hospital, Helsinki, Finland. pekka.malmberg@hus.fi
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Body Height*
Child
Exhalation
Female
Humans
Male
Nitric Oxide / analysis*
Reference Values
Chemical
Reg. No./Substance:
10102-43-9/Nitric Oxide

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