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Rhinitis in children: co-morbidities and phenotypes

Randi J Bertelsen1, Karin C Lødrup Carlsen, Kai-Håkon Carlsen

  • 1Department of Environmental Immunology, Division of Environmental Medicine, Norwegian Institute of Public Health, Oslo, Norway. randi.jacobsen.bertelsen@fhi.no

Pediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology
|May 7, 2010
PubMed

Insights

Rhinitis in children is common and often linked to other allergies like conjunctivitis and asthma. Early diagnosis and management of rhinitis are crucial for children's health.

Area of Science:

  • Pediatric Allergy and Immunology
  • Respiratory Medicine
  • Epidemiology

Background:

  • Rhinitis and its associated conditions significantly impact children's quality of life.
  • Limited data exists on the co-morbidities and phenotypes of rhinitis in pediatric populations.
  • Understanding these associations is vital for effective clinical management and public health strategies.

Purpose of the Study:

  • To investigate the prevalence of co-morbidities and distinct phenotypes in children experiencing current rhinitis.
  • To analyze the relationship between rhinitis, allergic sensitization, and respiratory conditions in a Norwegian child cohort.

Main Methods:

  • Utilized data from the 'Environment and Childhood Asthma Study' in Oslo, involving 1019 children.
  • Collected information through clinical examinations and structured parental interviews.
  • Assessed rhinitis, asthma, allergic sensitization, anaphylaxis, and lung function, including bronchial hyperresponsiveness (BHR).

Main Results:

  • 25.0% of children reported current rhinitis; 87.4% had at least one allergy-related co-morbidity, most commonly conjunctivitis (75.6%).
  • Children with rhinitis showed significantly higher rates of BHR and severe BHR compared to those without rhinitis.
  • Rhinitis with allergic sensitization was strongly associated with BHR, severe BHR, and conjunctivitis.

Conclusions:

  • Current rhinitis in childhood is strongly linked to conjunctivitis, asthma, atopic eczema, and BHR.
  • Conjunctivitis and BHR are particularly associated with allergic rhinitis in children.
  • Identifying rhinitis phenotypes and co-morbidities is essential for comprehensive pediatric care.

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