Population
110 twin pairs (220 healthy adults), mean age 55.9+/-10.9 years
Design
Cross-sectional
Authors
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Supports substantial genetic influence on left ventricular mass; leaves open specific loci and requires prospective replication before clinical consideration.
Left ventricular mass has a significant genetic determination in healthy adults, with a heritability estimate of 0.69.
Lorna Swan (2003) studied this question.