hrp0094p2-50 | Adrenals and HPA Axis | ESPE2021

First case in Lebanon of homozygous mutation in CYP 11B2 leading to isolated aldosterone deficiency.

Azar Ahlam , El-Rahi Hiba , Makhoul Kevin , Makhoul Peter , Megarbane Andre ,

Isolated hypoaldosteronism is a rare cause of salt wasting in infancy and may be life-threatening, especially in the newborn. Isolated aldosterone deficiency results from loss of activity of aldosterone synthase encoded by CYP 11B2 gene. We reported the case of a newborn, who presented at the age of 4 weeks with severe dehydration, vomiting and hypotonia. Blood investigations showed severe hyponatremia, hyperkaliemia and metabolic acidosis. The familial history revealed a firs...