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Updated: Feb 3, 2026

P50 Sensory Gating in Infants
Published on: December 26, 2013
Idiopathic central diabetes insipidus in an extreme premature infant: A case report
1Department of neonatology, Hôpital Femme-Mère-Enfant, hospices Civils de Lyon, 59, boulevard Pinel, 69677 Lyon, France.
Insights
Neonatal central diabetes insipidus (CDI) is hard to diagnose. Persistent hypernatremia and polyuria in newborns warrant CDI investigation and vasopressin analog treatment.
Area of Science:
- Pediatrics
- Endocrinology
- Neonatology
Background:
- Central diabetes insipidus (CDI) is a rare neonatal condition.
- Diagnosis is challenging due to its rarity and nonspecific symptoms in neonates.
Observation:
- A premature infant (26 weeks gestation) presented with persistent hypernatremia and polyuria.
- Symptoms persisted despite increased fluid intake and low sodium diet.
Findings:
- Central diabetes insipidus was diagnosed via a therapeutic trial with an oral vasopressin analog.
- Treatment normalized electrolyte levels, facilitating normal growth and fluid balance.
Implications:
- Early recognition of hypernatremia and polyuria is crucial for timely CDI diagnosis in neonates.
- Prompt treatment with vasopressin analogs can prevent complications and ensure healthy development.
Context:
Central diabetes insipidus (CDI) is a rare disease during the neonatal period, making it diagnosis difficult and delaying medical treatment.
Case Report:
We report here a case of a premature infant born at 26 weeks gestation who, during his 1st month of life, presented persistent hypernatremia with polyuria despite increased fluid supply and low sodium intake. CDI diagnosis was suspected and then confirmed by the therapeutic test with vasopressin analog, in its oral form. Electrolyte disorders were normalized after treatment, which allowed normal weight and height growth with standard fluid supply. Biological and radiological tests were all normal; this CDI was considered idiopathic.
Conclusion:
Persistent hypernatremia with excessive diuresis should alert to CDI diagnosis.
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