Hypertrophic cardiomyopathy (HCM) is a dominant genetic disorder of the myocardium associated with dysfunctional contractile proteins. The major risk of HCM is sudden cardiac death, which may occur even in asymptomatic carriers. Causes are highly heterogeneous. Over 140 different mutations in nine sarcomeric genes have been described to date. The majority of cases (80% or more) may eventually be traced to one of these genes. Although genetic counselling is suggested even if mutations are not known, molecular diagnosis implies new options such as carrier identification or - theoretically - preclinical risk stratification. A scheme according to which cardiologists and clinical and molecular geneticists could cooperate in counselling patients and managing HCM clinically is proposed.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC59597 | PMC |
| http://dx.doi.org/10.1186/cvm-1-1-041 | DOI Listing |
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