Researchers find genetic predictor of common cardio disorder

Researchers from Somerville, Mass.-based Mass General Brigham identified 21 genes associated with bradyarrhythmias, a common cardiovascular disorder often treated with pacemaker implantation, according to a study published Jan. 2 in Nature Genetics

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The study also found 13 and 31 genes associated with two major bradyarrhythmia subtypes, sinus node dysfunction and distal conduction disease, respectively, according to a Jan. 2 news release from the health system.

Bradyarrhythmia, a condition whereby the heart beats slower than it should, affects at least 1% of all adults over the age of 65, the release said. 

“Our findings suggest that variations in multiple genetic pathways … are critical to the development of bradyarrhythmias,” the study authors wrote. 

Read the full study, including more information on the pacemaker risk score developed by researchers, here.

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