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A rare congenital isolated hyperinsulinism disorder with characteristics of diazoxide unresponsive recurrent episodes of hyperinsulinaemic hypoglycaemia resulting from an excessive insulin secretion by the pancreatic beta-cells due to Kir6.2 deficiency. Hypoglycaemia may lead to variable clinical manifestation, ranging from asymptomatic hypoglycaemia revealed by routine blood glucose monitoring to macrosomia at birth, mild to moderate hepatomegaly and life-threatening hypoglycaemic coma or status epilepticus, further leading to poor neurological outcome. Caused by mutation in the gene encoding the Kir6.2 subunit of the inwardly rectifying potassium channel (KCNJ11).
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A rare congenital isolated hyperinsulinism disorder with characteristics of diazoxide unresponsive recurrent episodes of hyperinsulinemic hypoglycemia resulting from an excessive insulin secretion by the pancreatic beta-cells due to Kir6.2 deficiency. Hypoglycemia may lead to variable clinical manifestation, ranging from asymptomatic hypoglycemia revealed by routine blood glucose monitoring to macrosomia at birth, mild to moderate hepatomegaly and life-threatening hypoglycemic coma or status epilepticus, further leading to poor neurological outcome. Caused by mutation in the gene encoding the Kir6.2 subunit of the inwardly rectifying potassium channel (KCNJ11).
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