Anterior pituitary hormone effects on hepatic functions in infants with congenital hypopituitarism

Wikrom Karnsakul1, Pairunyar Sawathiparnich, Saroj Nimkarn

  • 1Department of Pediatrics, Section of Gastroenterology and Nutrition, West Virginia University School of Medicine, Morgantown, WV 26506-9214, USA. wkarnsakul@hsc.wvu.edu

Insights

Congenital hypopituitarism can cause neonatal cholestasis in infants. Glucocorticoid and thyroid hormone replacement therapy helped resolve cholestasis and hepatosplenomegaly, but further monitoring is advised.

Area of Science:

  • Pediatric Endocrinology
  • Neonatal Medicine
  • Hepatology

Background:

  • Congenital hypopituitarism is a rare cause of neonatal cholestasis.
  • The impact of anterior pituitary hormones on liver function in neonates is not well understood.

Purpose of the Study:

  • To investigate the role of anterior pituitary hormones in neonatal cholestasis.
  • To evaluate the effects of hormone replacement therapy on cholestasis and liver function in infants with congenital hypopituitarism.

Main Methods:

  • Retrospective review of medical charts of eight infants with congenital hypopituitarism and neonatal cholestasis.
  • Analysis of endocrinological investigations, eye examinations, and MRI findings.
  • Assessment of treatment outcomes following hormone replacement therapy.

Main Results:

  • Eight infants (4 male, 4 female) presented with cholestatic jaundice and subsequently developed anterior pituitary hormone deficiencies.
  • Common clinical signs included hypoglycemia, ocular abnormalities, and microphallus; septo-optic dysplasia was prevalent (5/8 cases).
  • Cholestasis and hepatosplenomegaly resolved in most infants after glucocorticoid and thyroid hormone replacement, though transaminase levels remained elevated. Cortisol deficiency and hypoglycemia were universal. Hyperlipidemia persisted in one case.

Conclusions:

  • Glucocorticoid and thyroid hormones are crucial for resolving cholestasis and hepatosplenomegaly in infants with congenital hypopituitarism.
  • Persistently elevated transaminases and hyperlipidemia post-treatment may necessitate long-term follow-up or growth hormone therapy.
  • Growth hormone deficiency treatment was limited by factors including hypoglycemia resolution, infant age, and financial constraints.
Abstract

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