RT Journal Article T1 Role of copy number variants in sudden cardiac death and related diseases: genetic analysis and translation into clinical practice. A1 Mates, Jesus A1 Mademont-Soler, Irene A1 Del Olmo, Bernat A1 Ferrer-Costa, Carles A1 Coll, Monica A1 Pérez-Serra, Alexandra A1 Picó, Ferran A1 Allegue, Catarina A1 Fernandez-Falgueras, Anna A1 Álvarez, Patricia A1 Yotti, Raquel A1 Espinosa, Maria Angeles A1 Sarquella-Brugada, Georgia A1 Cesar, Sergi A1 Carro, Ester A1 Brugada, Josep A1 Arbelo, Elena A1 Garcia-Pavia, Pablo A1 Borregan, Mar A1 Tizzano, Eduardo A1 López-Granados, Amador A1 Mazuelos, Francisco A1 Díaz de Bustamante, Aranzazu A1 Darnaude, Maria Teresa A1 González-Hevia, José Ignacio A1 Díaz-Flores, Felícitas A1 Trujillo, Francisco A1 Iglesias, Anna A1 Fernandez-Aviles, Francisco A1 Campuzano, Oscar A1 Brugada, Ramon AB Several studies have identified copy number variants (CNVs) as responsible for cardiac diseases associated with sudden cardiac death (SCD), but very few exhaustive analyses in large cohorts of patients have been performed, and they have been generally focused on a specific SCD-related disease. The aim of the present study was to screen for CNVs the most prevalent genes associated with SCD in a large cohort of patients who suffered sudden unexplained death or had an inherited cardiac disease (cardiomyopathy or channelopathy). A total of 1765 European patients were analyzed with a homemade algorithm for the assessment of CNVs using high-throughput sequencing data. Thirty-six CNVs were identified (2%), and most of them appeared to have a pathogenic role. The frequency of CNVs among cases of sudden unexplained death, patients with a cardiomyopathy or a channelopathy was 1.4% (8/587), 2.3% (20/874), and 2.6% (8/304), respectively. Detection rates were particularly high for arrhythmogenic cardiomyopathy (5.1%), long QT syndrome (4.7%), and dilated cardiomyopathy (4.4%). As such large genomic rearrangements underlie a non-neglectable portion of cases, we consider that their analysis should be performed as part of the routine genetic testing of sudden unexpected death cases and patients with SCD-related diseases. YR 2018 FD 2018-03-06 LK http://hdl.handle.net/10668/12213 UL http://hdl.handle.net/10668/12213 LA en DS RISalud RD Apr 18, 2025