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Issues for consideration in dihydropteridine reductase (DHPR) deficiency: a variant form of hyperphenylalaniaemia

Issues for consideration in dihydropteridine reductase (DHPR) deficiency: a variant form of hyperphenylalaniaemia
Issues for consideration in dihydropteridine reductase (DHPR) deficiency: a variant form of hyperphenylalaniaemia
An adult male with intellectual disabilities demonstrated deterioration in many skills over a number of years and an increase in his temper outbursts was also reported. At 18 years of age, he had been diagnosed as having dihydropteridine reductase (DHPR) deficiency, but treatment had proved unsuccessful in the short term and was discontinued. Dihydropteridine reductase deficiency is a recessively inherited disorder of the amino acid metabolism resulting in a deficiency of tetrahydrobiopterin, an essential cofactor for phenylalanine, tyrosine and tryptophan metabolism. This causes a severe deficiency of neurotransmitters in the brain. Following further neurological examinations, treatment for the subject was recommenced at the age of 30 years. Few reports of late-diagnosis DHPR have been documented. This paper outlines one case report of DHPR, highlighting the importance of diagnosis, medical treatment and nursing care.
0964-2633
208-214
Pogson, D.
8c2d4f13-1952-4e6f-a45f-b63c63b01ff2
Pogson, D.
8c2d4f13-1952-4e6f-a45f-b63c63b01ff2

Pogson, D. (1997) Issues for consideration in dihydropteridine reductase (DHPR) deficiency: a variant form of hyperphenylalaniaemia. Journal of Intellectual Disability Research, 41 (3), 208-214.

Record type: Article

Abstract

An adult male with intellectual disabilities demonstrated deterioration in many skills over a number of years and an increase in his temper outbursts was also reported. At 18 years of age, he had been diagnosed as having dihydropteridine reductase (DHPR) deficiency, but treatment had proved unsuccessful in the short term and was discontinued. Dihydropteridine reductase deficiency is a recessively inherited disorder of the amino acid metabolism resulting in a deficiency of tetrahydrobiopterin, an essential cofactor for phenylalanine, tyrosine and tryptophan metabolism. This causes a severe deficiency of neurotransmitters in the brain. Following further neurological examinations, treatment for the subject was recommenced at the age of 30 years. Few reports of late-diagnosis DHPR have been documented. This paper outlines one case report of DHPR, highlighting the importance of diagnosis, medical treatment and nursing care.

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Published date: June 1997

Identifiers

Local EPrints ID: 66920
URI: http://eprints.soton.ac.uk/id/eprint/66920
ISSN: 0964-2633
PURE UUID: cadd98e8-aab5-44f2-b375-4fdd537153e7

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Date deposited: 04 Aug 2009
Last modified: 08 Jan 2022 08:30

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Author: D. Pogson

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