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Acta Myol. 2012 October; 31(2): 110–116.
PMCID: PMC3476856

The heart and cardiac pacing in Steinert disease

Abstract

Myotonic dystrophy (Dystrophia Myotonica, DM) is the most frequently inherited neuromuscular disease of adult life. It is a multisystemic disease with major cardiac involvement. Core features of myotonic dystrophy are myotonia, muscle weakness, cataract, respiratory failure and cardiac conduction abnormalities. Classical DM, first described by Steinert and called Steinert's disease or DM1 (Dystrophia Myotonica type 1) has been identified as an autosomal dominant disorder associated with the presence of an abnormal expansion of a CTG trinucleotide repeat in the 3' untranslated region of DMPK gene on chromosome 19. This review will mainly focus on the various aspects of cardiac involvement in DM1 patients and the current role of cardiac pacing in their treatment.

Key words: myotonic dystrophy type 1, arrhythmias, cardiac pacing

Articles from Acta Myologica are provided here courtesy of Pacini Editore