Neonates Undergoing Gastrointestinal Surgery Have a Higher Incidence of Non-IgE-mediated Gastrointestinal Food Allergies
Overview
Pediatrics
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Purpose: We aimed at investigating the incidence and risk factors of non-IgE-mediated gastrointestinal food allergies (non-IgE-GI-FAs) in neonates and infants.
Methods: A total of 126 infants who underwent neonatal gastrointestinal surgeries were grouped into those with (n = 13) and those without an onset of non-IgE-GI-FAs (n = 113). The characteristics of the two groups (e.g., birth weight, delivery type, small intestinal surgeries, and pre-/postoperative nutrition) were compared. Small intestinal surgeries were classified into those with and those without full-layer invasion of the small intestine. For the statistical analysis, postoperative nutrition was classified into breast milk only, formula milk, and elemental diet only.
Results: Except for full-layer surgical invasion of the small intestine and the period of parenteral nutrition, no significant differences were found between the two groups. Surgery with full-layer invasion was a risk factor of non-IgE-GI-FAs (odds ratio (OR) 10.70, 95% confidence interval (95% CI) 2.11-54.20; p = 0.004). Formula milk after surgery was a risk factor of non-IgE-GI-FAs when compared to breast milk (OR 5.65, 95% CI 1.33-24.00; p = 0.019).
Conclusion: Neonates undergoing gastrointestinal surgery have a higher incidence of non-IgE mediated gastrointestinal food allergies. We recommend that formula milk should not be administered to newborns who underwent neonatal gastrointestinal surgeries with full-layer invasion of the small intestine.
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