Background and Purpose-Emery-Dreifuss muscular dystrophy (EDMD) is a rare inherited disorder associated with cardiac involvement. We investigated the spectrum and relevance of the cardiac manifestations of EDMD, focusing on bradyarrhythmias and tachyarrhythmias (including atrial fibrillation/flutter), embolic stroke, and heart failure. Methods and Results-Eighteen patients (age 42.8+/-19.6 years) with genetically confirmed X-linked (n=10, including 3 carriers) or autosomal dominant (n=8) EDMD were followed for a period ranging from 1 to 30 years in a research center for neuromuscular diseases and in a university cardiological department. Pacemakers were required by 10 of 18 (56%) patients for bradyarrhythmia, and related complications occurred in 3 of 10 (30%) cases. Atrial fibrillation/flutter developed in 11 of 18 (61%) patients, with atrial standstill subsequently occurring in 5 of 11 (45%) cases and embolic stroke (most often disabling) in 4 of 11 (36%). Heart failure requiring transplantation occurred in 1 of 18 (6%) patients, and asymptomatic left ventricular dysfunction in a further 3 (17%). No relationship was evident between neuromuscular impairment and cardiac involvement. Conclusions-Both X-linked and autosomal dominant EDMD patients risk not only bradyarrhythmia (requiring pacemaker implant) but also atrial fibrillation/flutter, which often anticipates atrial standstill and can cause disabling embolic stroke at a relatively young age. Antithromboembolic prophylaxis has to be recommended in EDMD patients with atrial fibrillation/flutter or atrial standstill. With careful monitoring, survival after pacemaker implant may be long. Heart failure, which seems to occur only in a minority of patients, may be severe.
|Data di pubblicazione:||2003|
|Titolo:||Clinical relevance of atrial fibrillation/flutter, stroke, pacemaker implant, and heart failure in Emery-Dreifuss muscular dystrophy - A long-term longitudinal study|
|Autore/i:||Boriani, Giuseppe; Gallina, M; Merlini, L; Bonne, G; Toniolo, D; Amati, S; Biffi, M; Martignani, C; Frabetti, L; Bonvicini, M; Rapezzi, C; Branzi, A.|
|Digital Object Identifier (DOI):||10.1161/01.STR.0000064322.47667.49|
|Codice identificativo ISI:||WOS:000182014300023|
|Codice identificativo Scopus:||2-s2.0-0037383576|
|Codice identificativo Pubmed:||12649505|
|Citazione:||Clinical relevance of atrial fibrillation/flutter, stroke, pacemaker implant, and heart failure in Emery-Dreifuss muscular dystrophy - A long-term longitudinal study / Boriani, Giuseppe; Gallina, M; Merlini, L; Bonne, G; Toniolo, D; Amati, S; Biffi, M; Martignani, C; Frabetti, L; Bonvicini, M; Rapezzi, C; Branzi, A.. - In: STROKE. - ISSN 0039-2499. - 34:4(2003), pp. 901-908.|
|Tipologia||Articolo su rivista|
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