Why the study?
Progressive cardiac conduction disease is linked to rare gene mutations including TRPM4, and identifying causative mutations in affected families is important for risk stratification and counselling.
Population
A family with multiple individuals requiring pacemaker implantation, including a 47-year-old proband with complete AVB
Design
Family case report and genetic analysis
Authors
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Supports TRPM4 screening for conduction disease risk stratification; leaves open need for validation before changing practice.
This case report supports the causative role of TRPM4 gene mutations in progressive cardiac conduction disease, highlighting the importance of genetic screening for risk stratification.
Palladino et al. (2022) studied this question.