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[Post-partum hypoglycaemia in a child to a father with HNF4A diabetes]

Bo Schneider Vohra Thomsen1, Jeannet Lauenborg, Marie Søgaard

  • 1boxx_1990@hotmail.com.

Ugeskrift for Laeger
|August 1, 2020
PubMed

Insights

Early detection and treatment of newborn hypoglycemia are crucial to prevent cognitive damage. This case highlights the importance of genetic screening in infants of parents with specific diabetes mutations.

Area of Science:

  • Genetics
  • Neonatology
  • Endocrinology

Background:

  • Newborn hypoglycemia can lead to permanent cognitive impairment if untreated.
  • Early feeding is standard practice, but does not always prevent hypoglycemia.
  • Genetic predisposition to diabetes, such as HNF4A mutations, can affect neonatal glucose regulation.

Observation:

  • A newborn presented with hypoglycemia two hours after birth, despite early feeding.
  • The infant's father has maturity-onset diabetes of the young Type 1, caused by an HNF4A gene mutation.
  • Proactive blood glucose monitoring was initiated due to the family history.

Findings:

  • The infant received supplemental feeding and recovered fully without lasting effects.
  • Genetic testing confirmed the infant carried the HNF4A gene mutation inherited from the father.
  • Early intervention based on genetic risk and clinical presentation was successful.

Implications:

  • This case underscores the importance of considering genetic factors in neonatal hypoglycemia.
  • Routine genetic screening in at-risk newborns can facilitate early diagnosis and management.
  • Prompt treatment prevents severe outcomes, emphasizing the link between genetics and neonatal metabolic health.

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