High Plasma Levels of S-adenosylhomocysteine is Related with the Risk of All-cause and Cardiovascular Mortality in Patients with Coronary Artery Disease
Abstract
AIMS: Plasma S-adenosylhomocysteine (SAH) level is positively associated with cardiovascular risk. However, the relationship between plasma SAH levels and the risk of all-cause and cardiovascular mortality remains unknown. This study aimed to explore the relationship between plasma SAH levels and the risk of all-cause and cardiovascular mortality in patients with coronary artery disease (CAD). METHODS: Plasma SAH levels were measured in 1553 patients with CAD. The association between plasma SAH level and the risk of all-cause and cardiovascular mortality was estimated using Cox Proportional hazards regression models. RESULTS: Relative to participants in the lowest quartile of plasma SAH levels, those in the highest quartile of plasma SAH levels had a higher risk of all-cause death (adjusted Hazard Ratio [HR], 2.15; 95% CI, 1.54-3.01; P＜0.001) and cardiovascular death (adjusted HR, 2.20; 95% CI, 1.49-3.25; P=0.001) in the age- and sex-adjusted model. The results of the multivariable adjusted analysis were similar (all-cause death [adjusted HR, 1.81; 95% CI, 1.27-2.58; P=0.002] and cardiovascular death [adjusted HR, 1.84; 95% CI, 1.21-2.79; P=0.031]). The age- and sex-adjusted HRs for each 1 SD increase in plasma SAH level were 1.30 (95% CI, 1.22-1.38) for all-cause mortality, and 1.34 (95% CI, 1.25-1.43) for cardiovascular mortality, respectively. A 1 SD increase in the SAH level was associated with a 25% higher risk of total death (adjusted HR, 1.25; 95% CI, 1.17-1.34) and a…
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