Why the study?
Familial cardiomyopathies commonly cause heart transplantation, and genetic advances help identify cases previously considered idiopathic, prompting analysis of transplanted patient characteristics and familial heart disease incidence.
Population
100 transplanted patients
Design
Retrospective data analysis
Key result
Familial cardiomyopathies accounted for 54% of heart transplants in the Canary Islands, with 19% linked to emerin gene mutations and a 72% overall genetic yield.
Authors
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Supports regional genetic evaluation in transplant candidates; extends founder mutation data in isolated populations.
Familial cardiomyopathies, particularly those driven by a founder emerin gene mutation, are the leading cause of heart transplantation in the Canary Islands, highlighting the critical role of genetic testing in reclassifying idiopathic cases.
Saavedra et al. (2025) studied this question. Familial cardiomyopathies accounted for 54% of heart transplants in the Canary Islands, with 19% linked to emerin gene mutations and a 72% overall genetic yield.