Clinical care of family members of patients with dilated cardiomyopathy
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Verdonschot,Job A. J.;Kaski,Juan Pablo;Asselbergs,Folkert W.;Behr,Elijah R.;Charron,Philippe;Dawson,Dana;Haugaa,Kristina H.;Kuchynka,Petr;Lopes,Luis R.;Mazzanti,Andrea;Monserrat,Lorenzo;Pantazis,Antonis;Prasad,Sanjay K.;Schunkert,Heribert;Seferovic,Petar M.;Sheppard,Mary N.;Sinagra,Gianfranco;van Tintelen,J. Peter;Tome Esteban,Maria Teresa;Heymans,Stephane R. B.;Garcia-Pavia,Pablo
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2025
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Abstract
Genetic family screening following the detection of a pathogenic or likely pathogenic variant in a proband with dilated cardiomyopathy (DCM) remains one of the main applications of genetic testing. While cardiac screening is recommended for all first-degree relatives, the a priori risk among family members varies. Consequently, screening regimens should be tailored according to both genetic and clinical information at the individual and familial level. This clinical consensus statement provides tools to help with the risk assessment and follow-up of screening for family members and discusses the utility for integration of genotype-specific information, cardiac imaging, and electrocardiogram findings to personalize cardiac screening regimens, which in conjunction will likely improve individualized risk prediction. Early phenotypic detection of DCM in family members remains an active area of research and innovation. In addition, data are starting to accrue on the utility of early therapeutic intervention in family members with very mild phenotypes that may inform future management in addition to screening. A systematic strategy is proposed to determine the a priori risk of developing DCM for a family member, and the potential of integrating genotype-phenotype knowledge towards family management. Lastly, there is a focus on the current knowledge gaps and ongoing and future opportunities to improve risk prediction, early disease detection, and treatment of family members of patients with DCM.
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European heart journal