Desmin‐related myopathy characterized by non‐compaction cardiomyopathy, cardiac conduction defect, and coronary artery dissection

Desmin‐related myopathy characterized by non‐compaction cardiomyopathy, cardiac conduction defect, and coronary artery dissection

Abstract Desmin‐related myopathy (DRM) is a rare heritable cardiac and skeletal muscle disease caused by mutations in the desmin gene (DES). DRM is generally characterized by skeletal muscle weakness, conduction disturbance, and dilated cardiomyopathy. However, the clinical cardiac phenotypes of DRM...

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Main Authors: Ran Tamiya, Yuki Saito, Daisuke Fukamachi, Koichi Nagashima, Yoshihiro Aizawa, Kimie Ohkubo, Takumi Hatta, Akira Sezai, Masashi Tanaka, Taisuke Ishikawa, Naomasa Makita, Naokata Sumitomo, Yasuo Okumura
Format: Article
Language:English
Published: Wiley 2020-06-01
Series:ESC Heart Failure
Subjects:
Cardiomyopathy
coronary artery dissection
heart failure
Online Access:https://doi.org/10.1002/ehf2.12667
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Summary:Abstract Desmin‐related myopathy (DRM) is a rare heritable cardiac and skeletal muscle disease caused by mutations in the desmin gene (DES). DRM is generally characterized by skeletal muscle weakness, conduction disturbance, and dilated cardiomyopathy. However, the clinical cardiac phenotypes of DRM are not yet fully understood. Herein, we report the first case of DRM with the de novo missense DES mutation, R454W, that is characterized by left ventricular non‐compaction cardiomyopathy, progressive cardiac conduction defect, spontaneous coronary artery dissection, and no skeletal muscle weakness. Our case findings suggest that clinicians should genetically test patients who have cardiomyopathy, progressive cardiac conduction defect, and coronary artery dissection, even if the patient has neither family history of DRM nor skeletal muscle symptoms.
ISSN:2055-5822

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