Levels of house dust mite-specific IgE and cockroach-specific IgE and their association with lower pulmonary function in Taiwanese children

Ying Chu Lin, Huey-Jen Su, Tzuen-Ren Hsiue, Cheng-Hung Lee, Chang-Wen Chen, Leon Guo Yueliang

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

Objective: Sensitization to an aeroallergen is known to diminish pulmonary function in young children and adults; however, it remains unclear whether it produces similar effects in adolescents. This study, therefore, examined the relationship between serum allergen-specific IgE levels and pulmonary function in adolescents. Design: Middle-school children were invited for a physician's evaluation and pulmonary function test when not experiencing an asthma attack and for the determination of serum levels of specific IgE to common allergens. Setting: National Cheng Kung University Hospital, Taiwan. Subjects: Middle-school children in southern Taiwan, who had completed both a nationally administered Chineseversion of the International Study of Asthma and Allergies in Childhood questionnaire and a pulmonary function test in October 1996. Results: Forty-two then currently asthmatic children, 38 children with asthma in remission (no reported attack for > 12 months), and 69 children without asthma completed the study. Children with asthma had a significantly lower adjusted forced expiratory flow between 25% and 75% of FVC (FEF 25-75% ) and FEV 1 /FVC than children without asthma. A greater percentage of children with asthma were more sensitized to Dermatophagoides pteronyssinus(Der p), Dermatophagoides farinae (Der f), and German cockroach but not cat dander or dog dander. Children with asthma with Der f-specific IgE > 100 IU/mL, or cockroach-specific IgE > 0.7 IU/mL showed lower pulmonary function. No such association was found in children without asthma. Conclusion: Our findings suggest that sensitization to Der f and German cockroach was a critical factor for the lower pulmonary function observed in middle-school children with asthma.

Original languageEnglish
Pages (from-to)347-353
Number of pages7
JournalChest
Volume121
Issue number2
DOIs
Publication statusPublished - 2002 Jan 1

All Science Journal Classification (ASJC) codes

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine

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