Succinic Semialdehyde Dehydrogenase Deficiency in a Chinese Boy

Tay, C.G. and Ariffin, H. and Yap, S. and Rahmat, K. and Sthaneshwar, P. and Ong, L.C. (2015) Succinic Semialdehyde Dehydrogenase Deficiency in a Chinese Boy. Journal of Child Neurology, 30 (7). pp. 927-931. ISSN 0883-0738, DOI https://doi.org/10.1177/0883073814540523.

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Official URL: http://dx.doi.org/10.1177/0883073814540523

Abstract

Succinic semialdehyde dehydrogenase deficiency is a rare autosomal recessive disorder affecting catabolism of the neurotransmitter gamma-aminobutyric acid (GABA), with a wide range of clinical phenotype. We report a Malaysian Chinese boy with a severe early onset phenotype due to a previously unreported mutation. Urine organic acid chromatogram revealed elevated 4-hydroxybutyric acid. Magnetic resonance imaging (MRI) of the brain demonstrated cerebral atrophy with atypical putaminal involvement. Molecular genetic analysis showed a novel homozygous 3-bp deletion at the ALDH5A1 gene c.1501-1503del (p.Glu501del). Both parents were confirmed to be heterozygotes for the p.Glu501del mutation. The clinical course was complicated by the development of subdural hemorrhage probably as a result of rocking the child to sleep for erratic sleep-wake cycles. This case illustrates the need to recognize that trivial or unintentional shaking of such children, especially in the presence of cerebral atrophy, can lead to subdural hemorrhage.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Succinic semialdehyde dehydrogenase deficiency; Subdural hemorrhage; ALDH5A1 gene
Subjects: R Medicine
Divisions: Faculty of Medicine
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 03 Oct 2018 09:02
Last Modified: 03 Oct 2018 09:02
URI: http://eprints.um.edu.my/id/eprint/19585

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