le Roux C, Murphy E, Hallam P, Lilburn M, Orlowska D, Lee P
Charles Dent Metabolic Unit, National Hospital for Neurology and Neurosurgery, London, UK.
J Inherit Metab Dis. 2006 Feb;29(1):201-2. doi: 10.1007/s10545-006-0223-1.
We describe 14 adult MSUD patients (3 with intermediate MSUD) with varied clinical and neuropsychometric outcomes. Age at diagnosis appears to be a predictor of IQ even in adults, while long-term blood leucine does not correlate with IQ.