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Subdural fat effusion complicating parenteral nutrition
A Rushforth1, M A Green, M I Levene
1Department of Paediatrics and Child Health, University of Leeds.
Archives of Disease in Childhood
|November 1, 1991
Summary
A preterm infant developed a rare complication of fat emulsion in the brain due to parenteral nutrition. The exact cause of this subdural effusion remains unclear, despite postmortem examination.
Area of Science:
- Neonatal Medicine
- Pediatric Pathology
- Clinical Nutrition
Background:
- Parenteral nutrition is crucial for preterm infants unable to feed orally.
- Central venous catheters are commonly used for parenteral access in neonates.
- Fat emulsions are essential components of parenteral nutrition, providing calories and fatty acids.
Observation:
- A preterm infant receiving parenteral nutrition via a central venous catheter developed a subdural effusion.
- The subdural effusion was found to contain fat emulsion.
- No vascular abnormalities were identified during postmortem examination to explain the effusion.
Findings:
- The presence of fat emulsion in the subdural space is a rare complication.
- The exact mechanism leading to the fat emulsion effusion is uncertain.
- Retrograde flow of feeding solutions into cerebral veins is a potential, though unproven, explanation.
Implications:
- This case highlights a rare but serious complication of parenteral nutrition in preterm infants.
- Understanding the mechanism is crucial for preventing similar occurrences.
- Further investigation may be needed to elucidate the precise pathway of fat emulsion migration into the subdural space.