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IgE levels in cord and capillary blood at 5 days of age
D Hansen1, P Hornnes, L K Poulsen
1Department of Neonatology, National University Hospital (Rigshospitalet), Copenhagen, Denmark.
Insights
Newborns with high immunoglobulin E (IgE) in cord blood also show elevated IgE in capillary blood at five days old. This finding holds true regardless of family history of atopy, aiding early detection of allergic tendencies.
Area of Science:
- Pediatric Allergy and Immunology
- Neonatal Health
- Immunogenetics
Background:
- Elevated immunoglobulin E (IgE) levels are associated with atopic diseases.
- Early prediction of atopic disease risk is crucial for timely intervention.
- Cord blood IgE may serve as an early biomarker for future allergic conditions.
Purpose of the Study:
- To investigate the correlation between immunoglobulin E (IgE) levels in cord blood and capillary serum at five days of age.
- To assess the predictive value of cord blood IgE for neonatal IgE levels.
- To examine the influence of family history of atopy on this correlation.
Main Methods:
- Serum samples were collected from 98 mature newborns at birth (cord blood) and on day 5 of life (capillary blood).
- IgE and IgA concentrations were measured in both sample types.
- Statistical analysis, including correlation coefficients (rho), was used to determine relationships between IgE levels.
- Family history of atopy was recorded for each child.
Main Results:
- A strong positive correlation (rho = 0.75, p < 10(-5)) was observed between IgE levels in cord blood and capillary blood at five days.
- This correlation was consistent in infants with and without a family history of atopic diseases.
- No significant correlation was found between cord blood IgE and IgA concentrations.
Conclusions:
- Cord blood IgE levels are a reliable indicator of IgE levels in early infancy.
- Measurement of IgE in cord blood can help identify infants at risk for atopic diseases.
- The findings support the use of cord blood IgE as a predictive biomarker in neonatal immunology.
Abstract:
We have determined the correlation between IgE in cord blood and capillary serum from 98 mature children at 5 days of age. Sixty-six per cent had no family history of atopy, 29% had a single and 5% a double disposition. The study showed a good correlation, rho = 0.75, p < 10(-5), between IgE levels in cord blood and capillary blood samples drawn on the 5th day of life in children both with and without a heredity of atopic diseases. There was no correlation between the concentrations of cord blood IgE and IgA.