hrp0097p2-113 | Fetal, Neonatal Endocrinology and Metabolism | ESPE2023

The complexity of Hyperinsulinism in newborns

Clemente Marisa , Crawley Louise , Weerasinghe Kamal

Background: Hyperinsulinism represents a group of clinically, genetically and morphologically heterogeneous disorders characterised by β-cell dysfunction in glucose homeostasis leading to excessive insulin secretion with profound and recurrent hypoglycaemia. In most countries it occurs in approximately 1/25,000 to 1/50,000 births. Mutations in at least 14 genes have been reported to cause congenital hyperinsulinism. In nearly half of the cases, cause rema...