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Natural History of MYH7-Related Dilated Cardiomyopathy

F. de Frutos, JP. Ochoa, M. Navarro-Peñalver, A. Baas, JV. Bjerre, E. Zorio, I. Méndez, R. Lorca, JAJ. Verdonschot, PE. García-Granja, Z. Bilinska, D. Fatkin, ME. Fuentes-Cañamero, JM. García-Pinilla, MI. García-Álvarez, F. Girolami, R....

. 2022 ; 80 (15) : 1447-1461. [pub] 20220822

Jazyk angličtina Země Spojené státy americké

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc22033090

Grantová podpora
MR/T005181/1 Medical Research Council - United Kingdom

BACKGROUND: Variants in myosin heavy chain 7 (MYH7) are responsible for disease in 1% to 5% of patients with dilated cardiomyopathy (DCM); however, the clinical characteristics and natural history of MYH7-related DCM are poorly described. OBJECTIVES: We sought to determine the phenotype and prognosis of MYH7-related DCM. We also evaluated the influence of variant location on phenotypic expression. METHODS: We studied clinical data from 147 individuals with DCM-causing MYH7 variants (47.6% female; 35.6 ± 19.2 years) recruited from 29 international centers. RESULTS: At initial evaluation, 106 (72.1%) patients had DCM (left ventricular ejection fraction: 34.5% ± 11.7%). Median follow-up was 4.5 years (IQR: 1.7-8.0 years), and 23.7% of carriers who were initially phenotype-negative developed DCM. Phenotypic expression by 40 and 60 years was 46% and 88%, respectively, with 18 patients (16%) first diagnosed at <18 years of age. Thirty-six percent of patients with DCM met imaging criteria for LV noncompaction. During follow-up, 28% showed left ventricular reverse remodeling. Incidence of adverse cardiac events among patients with DCM at 5 years was 11.6%, with 5 (4.6%) deaths caused by end-stage heart failure (ESHF) and 5 patients (4.6%) requiring heart transplantation. The major ventricular arrhythmia rate was low (1.0% and 2.1% at 5 years in patients with DCM and in those with LVEF of ≤35%, respectively). ESHF and major ventricular arrhythmia were significantly lower compared with LMNA-related DCM and similar to DCM caused by TTN truncating variants. CONCLUSIONS: MYH7-related DCM is characterized by early age of onset, high phenotypic expression, low left ventricular reverse remodeling, and frequent progression to ESHF. Heart failure complications predominate over ventricular arrhythmias, which are rare.

Advanced Heart Failure and Heart Transplant Unit Cardiology Department Bellvitge University Hospital L'Hospitalet de Llobregat Barcelona Spain

AP HP Cochin Hospital Cardiology Department Paris France

Área del Corazón y Departamento de Genética Molecular Hospital Universitario Central Asturias Unidad de Referencia de Cardiopatías Familiares HUCA Oviedo Spain

Arrhythmia Inherited Cardiac Diseases and Sudden Death Unit Hospital Sant Joan de Déu Barcelona Spain

Arrítmies Cardiologia Genètica i Mort Sobtada Departament de Cardiologia Institut de Recerca de Sant Joan de Déu Barcelona Spain

Bio Heart Cardiovascular Diseases Research Group Bellvitge Biomedical Research Institute L'Hospitalet de Llobregat Spain

Cardiology Department Hospital Clínic Barcelona IDIBAPS Universitat de Barcelona Barcelona Spain

Cardiology Department Hospital Universitario 12 de Octubre Instituto de Investigación i 12 Madrid Spain

Cardiology Department Hospital Universitario Marqués de Valdecilla Santander Cantabria Spain

Cardiology Department Hospital Universitario Virgen de las Nieves Granada Spain

Cardiology Department Instituto Cardiovascular Instituto de Investigación Sanitaria del Hospital Clínico San Carlos Hospital Clínico San Carlos Madrid Spain

Cardiology Department Instituto de Ciencias del Corazón Hospital Clínico Universitario de Valladolid Valladolid Spain

Cardiology Department St Vincent's Hospital Sydney New South Wales Australia

Cardiology Unit Meyer University Hospital Florence Florence Italy

Cardiovascular Diseases Unit Department of Cardiology Hospital Universitari Vall d'Hebron Vall d'Hebron Institut de Recerca Universitat Autònoma de Barcelona Barcelona Spain

Centro Nacional de Investigaciones Cardiovasculares Madrid Spain

CIBER Cardiovascular Instituto de Salud Carlos 3 Madrid Spain

Complejo Hospitalario Universitario de Badajoz Badajoz Spain

Departamento de Morfología y Biología Celular Universidad de Oviedo Oviedo Spain

Department of Cardiology Aarhus University Hospital Aarhus Denmark

Department of Cardiology CSUR Cardiopatías Familiares Complejo Asistencial Universitario de Salamanca Salamanca Spain

Department of Cardiology Hospital Universitario Basurto Bilbao Spain

Department of Cardiology Hospital Universitario Lucus Augusti Lugo Instituto de Investigación Sanitaria de Santiago de Compostela IDIS Lugo Spain

Department of Cardiology Institute for Clinical and Experimental Medicine Prague Czech Republic

Department of Cardiology Odense University Hospital Odense Denmark

Department of Clinical Genetics Maastricht University Medical Center Maastricht the Netherlands

Department of Pediatrics Aarhus University Hospital Aarhus Denmark

Division Laboratories Pharmacy and Biomedical Genetics Department of Genetics University Medical Center Utrecht Utrecht the Netherlands

European Reference Network for Rare and Low Prevalence Complex Diseases of the Heart Amsterdam the Netherlands

Genome Technology Center Stanford Department of Genetics Stanford Medical School Stanford California USA

Heart Failure and Inherited Cardiac Diseases Unit Department of Cardiology Hospital Universitario Puerta de Hierro IDIPHISA Madrid Spain

Hospital Universitario Son Llatzer IdISBa Palma de Mallorca Spain

Inherited Cardiac Diseases and Sudden Death Unit Department of Cardiology Hospital Universitario y Politécnico La Fe CaFaMuSMe Research Group Instituto de Investigación Sanitaria La Fe Valencia Spain

Inherited Cardiac Diseases Unit Department of Cardiology Hospital Universitario Virgen de la Arrixaca El Palmar Spain

Inherited Cardiovascular Disease Program Department of Cardiology Hospital General Universitario Gregorio Marañón Madrid Spain

Institute for Cardiomyopathies Heidelberg Department of Cardiology Angiology and Pneumology University Hospital Heidelberg Heidelberg Germany

Institute of Cardiovascular Science University College London London United Kingdom

Instituto de Investigación Biomédica de Salamanca Salamanca Spain

Instituto de Investigación Biosanitaria ibs GRANADA Granada Spain

Instituto de Investigación Sanitaria del Principado de Asturias ISPA Oviedo Spain

Instituto de Investigación sanitaria Gregorio Marañón Madrid Spain

Instituto de Investigación Sanitaria y Biomédica de Alicante Alicante Spain

Laboratorio de Cardiogenética IMIB Universidad de Murcia El Palmar Murcia Spain

Medical Sciences Department School of Medicine Universitat de Girona Girona Spain

Molecular Cardiology Division Victor Chang Cardiac Research Institute Sydney New South Wales Australia

Osakidetza IIS Biocruces Bizkaia Hospital Universitario Galdakao Usansolo UPV EHU Department of Cardiology Galdakao Spain

Paris Cardiovascular Research Center INSERM A Unit 970 Paris France

St Bartholomew's Hospital Barts Heart Centre London United Kingdom

St Vincent's Clinical School Faculty of Medicine UNSW Sydney Sydney New South Wales Australia

Unidad de Cardiopatías Familiares e Insuficiencia Cardiaca Hospital General Universitario de Alicante Alicante Spain

Unidad de Cardiopatías Familiares Instituto de Investigación Biomédica de A Coruña Complexo Hospitalario Universitario de A Coruña Servizo Galego de Saúde Universidade da Coruña A Coruña Spain

Unidad de Insuficiencia Cardiaca y Cardiopatías Familiares Servicio de Cardiología Hospital Universitario Virgen de la Victoria IBIMA Málaga Spain

Unit for Screening Studies in Inherited Cardiovascular Diseases National Institute of Cardiology Warsaw Poland

Universidad Francisco de Vitoria Pozuelo de Alarcón Spain

Citace poskytuje Crossref.org

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$a Natural History of MYH7-Related Dilated Cardiomyopathy / $c F. de Frutos, JP. Ochoa, M. Navarro-Peñalver, A. Baas, JV. Bjerre, E. Zorio, I. Méndez, R. Lorca, JAJ. Verdonschot, PE. García-Granja, Z. Bilinska, D. Fatkin, ME. Fuentes-Cañamero, JM. García-Pinilla, MI. García-Álvarez, F. Girolami, R. Barriales-Villa, C. Díez-López, LR. Lopes, K. Wahbi, A. García-Álvarez, I. Rodríguez-Sánchez, J. Rekondo-Olaetxea, JF. Rodríguez-Palomares, M. Gallego-Delgado, B. Meder, M. Kubanek, FG. Hansen, MA. Restrepo-Córdoba, J. Palomino-Doza, L. Ruiz-Guerrero, G. Sarquella-Brugada, AJ. Perez-Perez, FJ. Bermúdez-Jiménez, T. Ripoll-Vera, TB. Rasmussen, M. Jansen, M. Sabater-Molina, PM. Elliot, P. Garcia-Pavia, European Genetic Cardiomyopathies Initiative Investigators
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$a BACKGROUND: Variants in myosin heavy chain 7 (MYH7) are responsible for disease in 1% to 5% of patients with dilated cardiomyopathy (DCM); however, the clinical characteristics and natural history of MYH7-related DCM are poorly described. OBJECTIVES: We sought to determine the phenotype and prognosis of MYH7-related DCM. We also evaluated the influence of variant location on phenotypic expression. METHODS: We studied clinical data from 147 individuals with DCM-causing MYH7 variants (47.6% female; 35.6 ± 19.2 years) recruited from 29 international centers. RESULTS: At initial evaluation, 106 (72.1%) patients had DCM (left ventricular ejection fraction: 34.5% ± 11.7%). Median follow-up was 4.5 years (IQR: 1.7-8.0 years), and 23.7% of carriers who were initially phenotype-negative developed DCM. Phenotypic expression by 40 and 60 years was 46% and 88%, respectively, with 18 patients (16%) first diagnosed at <18 years of age. Thirty-six percent of patients with DCM met imaging criteria for LV noncompaction. During follow-up, 28% showed left ventricular reverse remodeling. Incidence of adverse cardiac events among patients with DCM at 5 years was 11.6%, with 5 (4.6%) deaths caused by end-stage heart failure (ESHF) and 5 patients (4.6%) requiring heart transplantation. The major ventricular arrhythmia rate was low (1.0% and 2.1% at 5 years in patients with DCM and in those with LVEF of ≤35%, respectively). ESHF and major ventricular arrhythmia were significantly lower compared with LMNA-related DCM and similar to DCM caused by TTN truncating variants. CONCLUSIONS: MYH7-related DCM is characterized by early age of onset, high phenotypic expression, low left ventricular reverse remodeling, and frequent progression to ESHF. Heart failure complications predominate over ventricular arrhythmias, which are rare.
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$a Lopes, Luis R $u Institute of Cardiovascular Science, University College London, London, United Kingdom; St Bartholomew's Hospital, Barts Heart Centre, London, United Kingdom
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