Phenotype and Clinical Outcomes in Desmin-Related Arrhythmogenic Cardiomyopathy

Desmin (DES) pathogenic variants cause a small proportion of arrhythmogenic cardiomyopathy (ACM). Outcomes data on DES-related ACM are scarce. This study sought to provide information on the clinical phenotype and outcomes of patients with ACM caused by pathogenic variants of the DES gene in a multi...

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Veröffentlicht in:JACC. Clinical electrophysiology 2024-06, Vol.10 (6), p.1178-1190
Hauptverfasser: Bermudez-Jimenez, Francisco J., Protonotarios, Alexandros, García-Hernández, Soledad, Pérez Asensio, Ana, Rampazzo, Alessandra, Zorio, Esther, Brodehl, Andreas, Arias, Miguel A., Macías-Ruiz, Rosa, Fernández-Armenta, Juan, Remior Perez, Paloma, Muñoz-Esparza, Carmen, Pilichou, Kalliopi, Bauce, Barbara, Merino, Jose L., Moliner-Abós, Carlos, Ochoa, Juan P., Barriales-Villa, Roberto, Garcia-Pavia, Pablo, Lopes, Luis R., Syrris, Petros, Corrado, Domenico, Elliott, Perry M., McKenna, William J., Jimenez-Jaimez, Juan
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container_end_page 1190
container_issue 6
container_start_page 1178
container_title JACC. Clinical electrophysiology
container_volume 10
creator Bermudez-Jimenez, Francisco J.
Protonotarios, Alexandros
García-Hernández, Soledad
Pérez Asensio, Ana
Rampazzo, Alessandra
Zorio, Esther
Brodehl, Andreas
Arias, Miguel A.
Macías-Ruiz, Rosa
Fernández-Armenta, Juan
Remior Perez, Paloma
Muñoz-Esparza, Carmen
Pilichou, Kalliopi
Bauce, Barbara
Merino, Jose L.
Moliner-Abós, Carlos
Ochoa, Juan P.
Barriales-Villa, Roberto
Garcia-Pavia, Pablo
Lopes, Luis R.
Syrris, Petros
Corrado, Domenico
Elliott, Perry M.
McKenna, William J.
Jimenez-Jaimez, Juan
description Desmin (DES) pathogenic variants cause a small proportion of arrhythmogenic cardiomyopathy (ACM). Outcomes data on DES-related ACM are scarce. This study sought to provide information on the clinical phenotype and outcomes of patients with ACM caused by pathogenic variants of the DES gene in a multicenter cohort. We collected phenotypic and outcomes data from 16 families with DES-related ACM from 10 European centers. We assessed in vitro DES aggregates. Major cardiac events were compared to historical controls with lamin A/C truncating variant (LMNA-tv) and filament C truncating variant (FLNC-tv) ACM. Of 82 patients (54% males, median age: 36 years), 11 experienced sudden cardiac death (SCD) (n = 7) or heart failure death (HFd)/heart transplantation (HTx) (n = 4) before clinical evaluation. Among 68 survivors, 59 (86%) presented signs of cardiomyopathy, with left ventricular (LV) dominant (50%) or biventricular (34%) disease. Mean LV ejection fraction was 51% ± 13%; 36 of 53 had late gadolinium enhancement (ring-like pattern in 49%). During a median of 6.73 years (Q1-Q3: 3.55-9.52 years), the composite endpoint (sustained ventricular tachycardia, aborted SCD, implantable cardioverter-defibrillator therapy, SCD, HFd, and HTx) was achieved in 15 additional patients with HFd/HTx (n = 5) and SCD/aborted SCD/implantable cardioverter-defibrillator therapy/sustained ventricular tachycardia (n = 10). Male sex (P = 0.004), nonsustained ventricular tachycardia (P = 0.017) and LV ejection fraction ≤50% (P = 0.012) were associated with the composite endpoint. Males with DES variants had similar outcomes to historical FLNC-tv and LMNA-tv controls. However, females showed better outcomes than those with LMNA-tv. In vitro experiments showed the characteristic finding of DES aggregates in 7 of 12 variants. DES ACM is associated with poor outcomes which can be predicted with potentially successful treatments, underscoring the importance of familial evaluation and genetic studies to identify at risk individuals. [Display omitted]
doi_str_mv 10.1016/j.jacep.2024.02.031
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Outcomes data on DES-related ACM are scarce. This study sought to provide information on the clinical phenotype and outcomes of patients with ACM caused by pathogenic variants of the DES gene in a multicenter cohort. We collected phenotypic and outcomes data from 16 families with DES-related ACM from 10 European centers. We assessed in vitro DES aggregates. Major cardiac events were compared to historical controls with lamin A/C truncating variant (LMNA-tv) and filament C truncating variant (FLNC-tv) ACM. Of 82 patients (54% males, median age: 36 years), 11 experienced sudden cardiac death (SCD) (n = 7) or heart failure death (HFd)/heart transplantation (HTx) (n = 4) before clinical evaluation. Among 68 survivors, 59 (86%) presented signs of cardiomyopathy, with left ventricular (LV) dominant (50%) or biventricular (34%) disease. Mean LV ejection fraction was 51% ± 13%; 36 of 53 had late gadolinium enhancement (ring-like pattern in 49%). During a median of 6.73 years (Q1-Q3: 3.55-9.52 years), the composite endpoint (sustained ventricular tachycardia, aborted SCD, implantable cardioverter-defibrillator therapy, SCD, HFd, and HTx) was achieved in 15 additional patients with HFd/HTx (n = 5) and SCD/aborted SCD/implantable cardioverter-defibrillator therapy/sustained ventricular tachycardia (n = 10). Male sex (P = 0.004), nonsustained ventricular tachycardia (P = 0.017) and LV ejection fraction ≤50% (P = 0.012) were associated with the composite endpoint. Males with DES variants had similar outcomes to historical FLNC-tv and LMNA-tv controls. However, females showed better outcomes than those with LMNA-tv. In vitro experiments showed the characteristic finding of DES aggregates in 7 of 12 variants. DES ACM is associated with poor outcomes which can be predicted with potentially successful treatments, underscoring the importance of familial evaluation and genetic studies to identify at risk individuals. 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Among 68 survivors, 59 (86%) presented signs of cardiomyopathy, with left ventricular (LV) dominant (50%) or biventricular (34%) disease. Mean LV ejection fraction was 51% ± 13%; 36 of 53 had late gadolinium enhancement (ring-like pattern in 49%). During a median of 6.73 years (Q1-Q3: 3.55-9.52 years), the composite endpoint (sustained ventricular tachycardia, aborted SCD, implantable cardioverter-defibrillator therapy, SCD, HFd, and HTx) was achieved in 15 additional patients with HFd/HTx (n = 5) and SCD/aborted SCD/implantable cardioverter-defibrillator therapy/sustained ventricular tachycardia (n = 10). Male sex (P = 0.004), nonsustained ventricular tachycardia (P = 0.017) and LV ejection fraction ≤50% (P = 0.012) were associated with the composite endpoint. Males with DES variants had similar outcomes to historical FLNC-tv and LMNA-tv controls. However, females showed better outcomes than those with LMNA-tv. In vitro experiments showed the characteristic finding of DES aggregates in 7 of 12 variants. DES ACM is associated with poor outcomes which can be predicted with potentially successful treatments, underscoring the importance of familial evaluation and genetic studies to identify at risk individuals. 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Clinical electrophysiology</jtitle><addtitle>JACC Clin Electrophysiol</addtitle><date>2024-06-01</date><risdate>2024</risdate><volume>10</volume><issue>6</issue><spage>1178</spage><epage>1190</epage><pages>1178-1190</pages><issn>2405-500X</issn><issn>2405-5018</issn><eissn>2405-5018</eissn><abstract>Desmin (DES) pathogenic variants cause a small proportion of arrhythmogenic cardiomyopathy (ACM). Outcomes data on DES-related ACM are scarce. This study sought to provide information on the clinical phenotype and outcomes of patients with ACM caused by pathogenic variants of the DES gene in a multicenter cohort. We collected phenotypic and outcomes data from 16 families with DES-related ACM from 10 European centers. We assessed in vitro DES aggregates. Major cardiac events were compared to historical controls with lamin A/C truncating variant (LMNA-tv) and filament C truncating variant (FLNC-tv) ACM. Of 82 patients (54% males, median age: 36 years), 11 experienced sudden cardiac death (SCD) (n = 7) or heart failure death (HFd)/heart transplantation (HTx) (n = 4) before clinical evaluation. Among 68 survivors, 59 (86%) presented signs of cardiomyopathy, with left ventricular (LV) dominant (50%) or biventricular (34%) disease. Mean LV ejection fraction was 51% ± 13%; 36 of 53 had late gadolinium enhancement (ring-like pattern in 49%). During a median of 6.73 years (Q1-Q3: 3.55-9.52 years), the composite endpoint (sustained ventricular tachycardia, aborted SCD, implantable cardioverter-defibrillator therapy, SCD, HFd, and HTx) was achieved in 15 additional patients with HFd/HTx (n = 5) and SCD/aborted SCD/implantable cardioverter-defibrillator therapy/sustained ventricular tachycardia (n = 10). Male sex (P = 0.004), nonsustained ventricular tachycardia (P = 0.017) and LV ejection fraction ≤50% (P = 0.012) were associated with the composite endpoint. Males with DES variants had similar outcomes to historical FLNC-tv and LMNA-tv controls. However, females showed better outcomes than those with LMNA-tv. In vitro experiments showed the characteristic finding of DES aggregates in 7 of 12 variants. DES ACM is associated with poor outcomes which can be predicted with potentially successful treatments, underscoring the importance of familial evaluation and genetic studies to identify at risk individuals. [Display omitted]</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>38727660</pmid><doi>10.1016/j.jacep.2024.02.031</doi><tpages>13</tpages></addata></record>
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subjects Adolescent
Adult
arrhythmogenic cardiomyopathy
Arrhythmogenic Right Ventricular Dysplasia - genetics
Arrhythmogenic Right Ventricular Dysplasia - physiopathology
Death, Sudden, Cardiac - etiology
Defibrillators, Implantable
desmin
Desmin - genetics
desminopathy
Female
genetics
Heart Transplantation
Humans
Male
Middle Aged
Phenotype
Young Adult
title Phenotype and Clinical Outcomes in Desmin-Related Arrhythmogenic Cardiomyopathy
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