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Breastfeeding-associated hypernatremia: are we missing the diagnosis?
Michael L Moritz1, Mioara D Manole, Debra L Bogen
1Division of Nephrology, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA. michael.moritz@chp.edu
Pediatrics
|September 6, 2005
Summary
Breastfeeding-associated hypernatremic dehydration affects 1.9% of hospitalized neonates, often presenting with jaundice. Early identification and support are crucial for successful breastfeeding and preventing complications.
Area of Science:
- Neonatalogy
- Pediatric Endocrinology
- Lactation Medicine
Background:
- Breastfeeding is encouraged for infant health.
- Hypernatremic dehydration is a potential complication of inadequate milk intake in neonates.
- Hospitalization for hypernatremic dehydration indicates significant clinical concern.
Purpose of the Study:
- To determine the incidence of breastfeeding-associated hypernatremic dehydration in hospitalized neonates.
- To identify associated complications and risk factors.
- To inform strategies for promoting successful breastfeeding.
Main Methods:
- Retrospective study at Children's Hospital of Pittsburgh (5-year period).
- Identified term and near-term breastfed neonates (<29 days) with serum sodium ≥150 mEq/L due to inadequate milk intake.
- Analyzed infant demographics, clinical presentation, and outcomes.
Main Results:
- Incidence was 1.9% (70/3718 neonates).
- Infants often born to primiparous mothers discharged early; jaundice was the most common symptom (81%).
- Moderate hypernatremia (median 153 mEq/L), 13.7% weight loss; 17% had complications like apnea/bradycardia; no deaths.
Conclusions:
- Breastfeeding-associated hypernatremic dehydration requiring hospitalization is a significant concern.
- Effective breastfeeding support and education are essential.
- Further efforts are needed to ensure adequate milk intake and prevent dehydration.