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Hypertonic formula resulting from added oral medications
American Journal of Diseases of Children (1960)
|October 1, 1982
Summary
Oral elixirs, like calcium glubionate, significantly increase infant formula osmolality, posing a risk for necrotizing enterocolitis in premature infants. Intravenous preparations are a safer alternative due to lower osmolality.
Area of Science:
- Neonatal Medicine
- Pediatric Pharmacology
- Clinical Pharmacy
Background:
- Necrotizing enterocolitis (NEC) is a serious gastrointestinal condition affecting premature infants.
- Medications administered orally to neonates can alter gastrointestinal physiology.
- The osmolality of enteral feeds is a critical factor in neonatal gut health.
Observation:
- A premature infant developed necrotizing enterocolitis after receiving calcium glubionate elixir in feedings.
- The osmolality of several common oral elixirs (theophylline, phenobarbital, dexamethasone, digoxin) was significantly higher than their intravenous counterparts.
- Mixing oral elixirs like dexamethasone and phenobarbital with infant formula drastically increased formula osmolality.
Findings:
- Oral elixir preparations, particularly dexamethasone and phenobarbital, markedly increase formula osmolality when administered in clinically relevant doses.
- The osmolality increase in formula-drug mixtures can exceed 300% compared to formula alone.
- The osmolality impact of digoxin, theophylline, and calcium glubionate elixirs on formula was less pronounced but still notable.
Implications:
- High osmolality from oral elixirs may contribute to the pathogenesis of necrotizing enterocolitis in vulnerable premature infants.
- Switching to intravenous formulations or using lower osmolality oral preparations may mitigate NEC risk.
- Healthcare providers should carefully consider medication formulation and osmolality when prescribing for premature neonates.