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Updated: Jun 7, 2025
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A Swine Model of Neonatal Asphyxia
Published on: October 11, 2011
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HYPOTHALAMIC PITUITARY AXIS DYSFUNCTION IN A SEVERELY ASPHYXIATED NEONATE.
West African Journal of Medicine
|November 14, 2024
Summary
Perinatal asphyxia can cause multi-organ failure in newborns. This case highlights hypoxic-ischemic encephalopathy affecting the hypothalamic-pituitary axis, requiring hormone replacement therapy.
Area of Science:
- Neonatology
- Pediatric Neurology
- Endocrinology
Background:
- Perinatal asphyxia, a hypoxic or ischemic insult during delivery, can lead to multi-organ failure, with the brain being the primary concern.
- Neonatal hypoxic-ischemic encephalopathy (HIE) is a serious condition requiring prompt diagnosis and management.
Observation:
- A 19-day-old neonate presented with feeding difficulties and seizures after severe perinatal asphyxia.
- Clinical examination revealed hypotonia and weak primitive reflexes.
- Neuroimaging showed cerebral and pituitary atrophy with hydrocephalus ex vacuo.
Findings:
- The neonate was diagnosed with central hypothyroidism and secondary adrenal insufficiency due to hypothalamic-pituitary axis dysfunction.
- Treatment included antiseizure medications, levothyroxine, and hydrocortisone.
- While seizures were controlled and activity improved, persistent hypothermia was noted.
Implications:
- Neonatal hypoxic-ischemic encephalopathy can significantly impact the hypothalamic-pituitary axis.
- A high index of suspicion is crucial for diagnosing HIE-related endocrine dysfunction.
- Early hormone replacement therapy is essential for managing affected neonates.
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