The predictive relationship between serum IgE levels at birth and subsequent incidences of lower respiratory illnesses and eczema in infants

M. Halonen, D. Stern, L. M. Taussig, A. Wright, C. G. Ray, F. D. Martinez

Research output: Contribution to journalArticle

90 Scopus citations

Abstract

Cord serum IgE levels are predictive of subsequent atopic diseases early in life. Lower respiratory illnesses (LRI) have often been included with atopic diseases in infancy but have not been examined as a separate entity for a relation to cord IgE levels. Among 767 healthy newborns in Tucson, Arizona studied longitudinally, cord serum IgE levels were directly related to the subsequent incidence of eczema. In contrast, the incidence of LRI not only failed to show a direct relationship to IgE levels but actually decreased with increasing cord IgE levels from 34.8% in the lowest cord IgE group to 22.2% in the highest IgE group (> 1.0 IU/ml IgE; p for trend chi- square < 0.03). Limiting LRI to those with wheeze did not alter the inverse relationship with IgE levels. The inverse LRI-IgE relationship was strong for non-RSV LRI, whereas RSV LRI had neither a direct nor an inverse relationship. These inverse LRI-IgE relationships were significant for LRI occurring in infants before but not after 6 months of age. Maternal (but not paternal) allergic history was associated with higher cord IgE levels and with an increased incidence of LRI, the latter effect being independent of IgE. This study suggests that most LRI in the first year of life are not early manifestations of an allergic predisposition.

Original languageEnglish (US)
Pages (from-to)866-870
Number of pages5
JournalAmerican Review of Respiratory Disease
Volume146
Issue number4
DOIs
StatePublished - 1992

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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