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Allergic children have more numerous and severe respiratory infections than non-allergic children

Giorgio Ciprandi1, Maria Angela Tosca, Lilia Fasce

  • 1Azienda Ospedaliera Universitaria San Martino, Genova, Italy. gio.cip@libero.it

Pediatric Allergy and Immunology : Official Publication of the European Society of Pediatric Allergy and Immunology
|July 19, 2006
PubMed

Insights

Allergic children experience more frequent and longer respiratory infections (RI) compared to non-allergic children. This suggests underlying immune system differences in managing infections.

Area of Science:

  • Pediatric Allergy
  • Immunology
  • Respiratory Medicine

Background:

  • Allergic disorders are linked to Th2-immune polarization.
  • This polarization may impair Th1-dependent mechanisms crucial for fighting respiratory infections (RI).

Purpose of the Study:

  • To compare the incidence and duration of RI in allergic versus non-allergic children with recurrent RI.

Main Methods:

  • A cohort of 117 children (4.02 ± 1.0 years) was studied.
  • 46 children were identified as allergic; the rest were non-allergic.

Main Results:

  • Allergic children had a significantly higher number of RI (mean 1.26 vs. 0.94).
  • Allergic children experienced longer RI durations (mean 8.92 days vs. 4.85 days).

Conclusions:

  • Allergic children exhibit a greater frequency and severity of respiratory infections.
  • Immune dysregulation in allergic conditions may contribute to increased susceptibility to RI.

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