Journal
ANNALS OF NEUROLOGY
Volume 53, Issue 1, Pages 121-123Publisher
WILEY-LISS
DOI: 10.1002/ana.10419
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Friedreich's ataxia is a neurodegenerative disease frequently associated with hypertrophic cardiomyopathy. We have determined mitochondrial ATP, phosphocreatine, and intracellular inorganic phosphate levels by P-31 nuclear magnetic resonance spectroscopy in the heart of 11 Friedreich's ataxia patients and 11 healthy controls. For the first time, to our knowledge, we showed a significant correlation between the extent of myocardial energy deficiency and the degree of myocardial hypertrophy. When combining our results with previous works on Friedreich's ataxia, these novel findings suggest that energy metabolism is most likely the cause and hypertrophy the effect in Friedreich's ataxia.
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