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Can J Neurol Sci. 1980 Nov;7(4):389-96.

The cardiomyopathy of Friedreich's ataxia morphological observations in 3 cases.


In the light of the recent finding of deposits of calcium salts and iron in myocardial cells in one case of Friedreich's ataxia, we have made a detailed morphological study of 3 new cases of this cardiomyopathy. Calcium deposits were not found in the muscle fibers but lipofuscin granules and deposits of iron were observed in our 3 cases. In addition to the usual findings of interstitial fibrosis, hypertrophy and degeneration of myocardial fibers, foci of segmental active muscle necrosis were constantly present. There is a possibility that Friedreich's ataxia could be a neurocardiac degenerative disease with a membrane defect which could be related to defective metabolism of vitamin E or other micronutrients.

[Indexed for MEDLINE]

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