Somatic mosaic chromosomal alterations and death of cardiovascular disease causes among cancer survivors: an analysis of the UK Biobank
Sun, M.; Cyr, M.-C.; Sandoval, J.; Lemieux-Perreault, L.-P.; Busque, L.; Tardif, J.-C.; Dube, M.-P.
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Cancer survivors are at an increased risk of cardiovascular disease (CVD) compared to the general population. Here, we evaluated the impact of somatic mosaic chromosomal alterations (mCAs) on death of CVD causes, coronary artery disease (CAD) causes, from cancer, and of any cause in patients with a cancer diagnosis within the UK Biobank (n=48 919). mCAs were derived from DNA genotyping array intensity data and long-range chromosomal phase inference from participants. Overall, 10 070 individuals (20.6%) carried [≥]1 mCA clone. In adjusted analyses, mCA was associated with an increased risk of death of CAD causes (hazard ratio [HR]: 1.37, 95% confidence interval [CI]: 1.09-1.71, P=0.006), from cancer (HR: 1.06, 95% CI: 1.00-1.11, P=0.041), and death of any cause (HR: 1.07, 95% CI: 1.02-1.12, P=0.005). Among cancer survivors, carriers of any mCA are at an increased risk of death of CAD causes and of any cause as compared to non-carriers.
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