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Cardiac Emerinopathy: A Nonsyndromic Nuclear Envelopathy With Increased Risk of Thromboembolic Stroke Due to Progressive Atrial Standstill and Left Ventricular Noncompaction

Ishikawa, Taisuke ; Mishima, Hiroyuki ; Barc, Julien ; Takahashi, Masanori P ; Hirono, Keiichi ; Terada, Shigenori ; Kowase, Shinya ; Sato, Teruki ; Mukai, Yasushi ; Yui, Yoshiaki ; Ohkubo, Kimie ; Kimoto, Hiroki ; Watanabe, Hiroyuki ; Hata, Yukiko ; Aiba, Takeshi ; Ohno, Seiko ; Chishaki, Akiko ; Shimizu, Wataru ; Horie, Minoru ; Ichida, Fukiko ; Nogami, Akihiko ; Yoshiura, Koh-Ichiro ; Schott, Jean-Jacques ; Makita, Naomasa

Circulation. Arrhythmia and electrophysiology, 2020-10, Vol.13 (10), p.e008712-e008712 [Periódico revisado por pares]

United States

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Cardiac Emerinopathy: A Nonsyndromic Nuclear Envelopathy With Increased Risk of Thromboembolic Stroke Due to Progressive Atrial Standstill and Left Ventricular Noncompaction
Autor: Ishikawa, Taisuke ; Mishima, Hiroyuki ; Barc, Julien ; Takahashi, Masanori P ; Hirono, Keiichi ; Terada, Shigenori ; Kowase, Shinya ; Sato, Teruki ; Mukai, Yasushi ; Yui, Yoshiaki ; Ohkubo, Kimie ; Kimoto, Hiroki ; Watanabe, Hiroyuki ; Hata, Yukiko ; Aiba, Takeshi ; Ohno, Seiko ; Chishaki, Akiko ; Shimizu, Wataru ; Horie, Minoru ; Ichida, Fukiko ; Nogami, Akihiko ; Yoshiura, Koh-Ichiro ; Schott, Jean-Jacques ; Makita, Naomasa
Assuntos: Adolescent ; Adult ; Aged ; Cardiac Conduction System Disease - complications ; Cardiac Conduction System Disease - diagnosis ; Cardiac Conduction System Disease - genetics ; Cardiomyopathies - complications ; Cardiomyopathies - diagnosis ; Cardiomyopathies - genetics ; Child ; Female ; Genetic Diseases, Inborn - complications ; Genetic Diseases, Inborn - diagnosis ; Genetic Diseases, Inborn - genetics ; Genetic Predisposition to Disease ; Heart Atria - abnormalities ; Heart Block - complications ; Heart Block - diagnosis ; Heart Block - genetics ; Humans ; Isolated Noncompaction of the Ventricular Myocardium - complications ; Isolated Noncompaction of the Ventricular Myocardium - diagnosis ; Isolated Noncompaction of the Ventricular Myocardium - genetics ; Male ; Membrane Proteins - genetics ; Middle Aged ; Mutation ; Nuclear Proteins - genetics ; Phenotype ; Sick Sinus Syndrome - complications ; Sick Sinus Syndrome - genetics ; Stroke - diagnostic imaging ; Stroke - etiology ; Thromboembolism - diagnostic imaging ; Thromboembolism - etiology ; X-Linked Emery-Dreifuss Muscular Dystrophy - complications ; X-Linked Emery-Dreifuss Muscular Dystrophy - diagnosis ; X-Linked Emery-Dreifuss Muscular Dystrophy - genetics ; Young Adult
É parte de: Circulation. Arrhythmia and electrophysiology, 2020-10, Vol.13 (10), p.e008712-e008712
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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Descrição: Mutations in the nuclear envelope genes encoding and are responsible for Emery-Dreifuss muscular dystrophy. However, mutations often manifest dilated cardiomyopathy with conduction disturbance without obvious skeletal myopathic complications. On the contrary, the phenotypic spectrums of mutations are less clear. Our aims were to determine the prevalence of nonsyndromic forms of emerinopathy, which may underlie genetically undefined isolated cardiac conduction disturbance, and the etiology of thromboembolic complications associated with mutations. Targeted exon sequencing was performed in 87 probands with familial sick sinus syndrome (n=36) and a progressive cardiac conduction defect (n=51). We identified 3 X-linked recessive mutations (start-loss, splicing, missense) in families with cardiac conduction disease. All 3 probands shared a common clinical phenotype of progressive atrial arrhythmias that ultimately resulted in atrial standstill associated with left ventricular noncompaction (LVNC), but they lacked early contractures and progressive muscle wasting and weakness characteristic of Emery-Dreifuss muscular dystrophy. Because the association of LVNC with has never been reported, we further genetically screened 102 LVNC patients and found a frameshift mutation in a boy with progressive atrial standstill and LVNC without complications of muscular dystrophy. All 6 male mutation carriers of 4 families underwent pacemaker or defibrillator implantation, whereas 2 female carriers were asymptomatic. Notably, a strong family history of stroke observed in these families was probably due to the increased risk of thromboembolism attributable to both atrial standstill and LVNC. Cardiac emerinopathy is a novel nonsyndromic X-linked progressive atrial standstill associated with LVNC and increased risk of thromboembolism.
Editor: United States
Idioma: Inglês

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Cardiac Emerinopathy: A Nonsyndromic Nuclear Envelopathy With Increased Risk of Thromboembolic Stroke Due to Progressive Atrial Standstill and Left Ventricular Noncompaction

United States

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