GERARD, Rémy; SAUVESTRE, Clément; BARAT, Pascal; HARAMBAT, Jerome; JANOT, Clément; MALLET, Delphine; ROUCHER-BOULEZ, Florence; ALLARD, Lise

doi:10.1016/j.arcped.2023.10.007

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Archives de Pédiatrie. 2024-02-01

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Aldosterone synthase deficiency (ASD) is a rare autosomal recessive disorder involving isolated aldosterone deficiency without any compromise of other adrenal hormones. This condition manifests mainly in the neonatal period and in infants as a salt wasting syndrome with vomiting and failure to thrive. Due to its potentially life-threatening effects, ASD requires a careful and early diagnosis based on appropriate hormonal investigations in order to initiate adequate management: rehydration as well as salt and fludrocortisone supplementation. Genetic analysis of the CYP11B2 gene will confirm ASD in most cases. We report the case of a newborn with a typical clinical presentation associated with some uncommon phenotypic features (hyperhidrosis, liver injury). Furthermore, our patient carries a new CYP11B2 splicing variant to be added to the approximately 60 pathogenic or likely pathogenic variants already reported.< Réduire

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Aldosterone synthase deficiency

Newborn

Salt wasting syndrome

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Neonatal salt wasting syndrome: Aldosterone synthase deficiency caused by a new splicing variant in CYP11B2

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