Serum β-carotene concentrations and the risk of congestive heart failure in men: A population-based study
2013
Abstract Background Fruit and vegetable intake has been associated with lower risk for cardiovascular diseases, but data on congestive heart failure (CHF) are inconsistent. The association of serum carotenoids, biomarkers reflecting fruit and vegetable intake, with the risk of CHF has not been well documented in previous studies. We therefore examined the association between carotenoid levels and the risk of CHF. Methods Data were available for 1031 males aged 46 to 65years participating in the Kuopio Ischaemic Heart Disease Risk Factor Study (Finland). Baseline data for the present study were collected between 1991 and 1993. The association between serum concentrations of carotenoids and the risk of CHF was examined by using Cox proportional hazard models. Results During the median of 17.8 follow-up years, CHF occurred in 72 patients. Age and examination year adjusted risk (hazard ratio, HR) for CHF among men within the lowest quartile of serum β-carotene was 4.08 (95% CI, 1.90–8.78, p Conclusions The present study suggests that low concentrations of serum β-carotene may be associated with an increased risk of CHF.
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