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Breast feeding in neonatal alloimmune thrombocytopenia
J Reese1, T S Raghuveer, P M Dennington
1Department of Paediatrics, Monash Medical Centre, Clayton, Victoria, Australia.
Insights
Neonatal alloimmune thrombocytopenia (NAIT) infants can be safely breastfed. Even with platelet-specific antibodies in breast milk, breastfeeding does not worsen NAIT or cause thrombocytopenia.
Area of Science:
- Immunology
- Pediatrics
- Hematology
Background:
- Neonatal alloimmune thrombocytopenia (NAIT) poses a significant risk of intracranial hemorrhage in infants.
- The condition arises from placental transfer of maternal immunoglobulin G (IgG) targeting fetal platelet antigens.
- The presence of IgG in breast milk raises theoretical concerns about breastfeeding exacerbating thrombocytopenia.
Observation:
- This case report details an infant diagnosed with NAIT.
- The infant was breastfed during the study period.
- The mother's breast milk was found to contain the specific platelet antibody (HPA-1a).
Findings:
- The infant with NAIT tolerated breastfeeding without adverse effects.
- Breastfeeding did not lead to a worsening of the infant's thrombocytopenia.
- The presence of HPA-1a antibodies in breast milk did not negatively impact the infant.
Implications:
- Breastfeeding appears to be safe for infants diagnosed with NAIT.
- Maternal IgG antibodies in breast milk may not pose a clinical risk for NAIT infants.
- This finding could alleviate concerns for mothers with NAIT infants regarding infant nutrition and bonding.
Abstract:
Infants with neonatal alloimmune thrombocytopenia are at risk of severe intracranial haemorrhage. Placental transfer of maternal immunoglobulin G (IgG) directed against fetal platelet antigens is known to be the underlying mechanism. Since breast milk contains IgG it is theoretically possible that breast feeding of these infants could cause thrombocytopenia. The following case report shows that an infant with neonatal alloimmune thrombocytopenia may be safely breast fed, even when the breast milk contains the platelet specific antibody (HPA-1a).