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Cardiac and respiratory failure in limb-girdle muscular dystrophy 2I

Lookup NU author(s): Dr John Bourke, Dr Michelle Eagle, Professor Volker Straub, Emerita Professor Katherine Bushby

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Abstract

Mutations in the gene encoding fukutin-related protein cause limb-girdle muscular dystrophy 2I. In this multicenter retrospective analysis of 38 patients, 55.3% had cardiac abnormalities, of which 24% had developed cardiac failure. Heterozygotes for the common C826A mutation developed cardiac involvement earlier than homozygotes. All patients initially improved while receiving standard therapy. Independent of cardiac status, forced vital capacity was below 75% in 44.4% of the patients. There was no absolute correlation between skeletal muscle weakness and cardiomyopathy or respiratory insufficiency. These complications are a primary part of this specific type of limb-girdle muscular dystrophy, with important implications for management.


Publication metadata

Author(s): Poppe M, Bourke J, Eagle M, Frosk P, Wrogemann K, Greenberg C, Muntoni F, Voit T, Straub V, Hilton-Jones D, Shirodaria C, Bushby K

Publication type: Article

Publication status: Published

Journal: Annals of Neurology

Year: 2004

Volume: 56

Issue: 5

Pages: 738-741

ISSN (print): 0364-5134

ISSN (electronic): 1531-8249

Publisher: John Wiley & Sons, Inc.

URL: http://dx.doi.org/10.1002/ana.20283

DOI: 10.1002/ana.20283

PubMed id: 15505776


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