Abstract:
:We report our experience in a cohort of patients with hyperphenylalaninemia in a tertiary care referral center in Lebanon. Forty-one sequential patients were studied: 34 classical phenylketonuria (PKU), 3 hyperphenylalaninemia (non-PKU), and 4 biopterin metabolism defects. The majority of cases were clinically diagnosed at variable ages with variable neurological outcomes. Only 29.3% were detected by neonatal screening. Two unusual cases were observed in the context of inadequate treatment in 1 and delayed therapy in the other: a newborn with PKU developed severe keratomalacia; and a 5-year-old girl with dihydropteridine reductase deficiency due to a novel mutation identified in the quinoid dihydropteridine reductase gene developed Lennox-Gastaut syndrome and white matter changes with periventricular cysts. Part of our experience parallels that in the West. However, the clinical manifestations observed in our patients emphasize the importance of a national newborn screening program with efficient management of diagnosed cases.
journal_name
J Child Neuroljournal_title
Journal of child neurologyauthors
Karam PE,Daher RT,Moller LB,Mikati MAdoi
10.1177/0883073810375116subject
Has Abstractpub_date
2011-02-01 00:00:00pages
142-6issue
2eissn
0883-0738issn
1708-8283pii
0883073810375116journal_volume
26pub_type
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