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Pediatr Radiol. 1995;25(4):296-9.

Proton magnetic resonance spectroscopy reflects metabolic decompensation in maple syrup urine disease.

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1
Department of Diagnostic Radiology, University of Cologne, Germany.

Abstract

Using localized proton magnetic resonance spectroscopy (1H-MRS), accumulation of branched-chain amino acids (BCAA) and their corresponding 2-oxo acids (BCOA) could be non-invasively demonstrated in the brain of a 9-year-old girl suffering from classical maple syrup urine disease. During acute metabolic decompensation, the compounds caused a signal at a chemical shift of 0.9 ppm which was assigned by in vitro experiments. The brain tissue concentration of the sum of BCAA and BCOA could be estimated as 0.9 mmol/l. Localized 1H-MRS of the brain appears to be suitable for examining patients suffering from maple syrup urine disease in different metabolic states.

PMID:
7567243
[Indexed for MEDLINE]
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