Journal of internal medicine · 2011
Plasma carotenoids are related to intima--media thickness of the carotid artery wall in men from eastern Finland.
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Karppi J, Kurl S, Laukkanen J A, Rissanen T H, Kauhanen J
Аннотация
BACKGROUND: Several previous epidemiological studies have suggested that high plasma concentrations of carotenoids may slow the development of early atherosclerosis, but results have been inconclusive.
METHODS: We examined the effect of carotenoids on early atherosclerosis in a population-based study. The association between plasma carotenoid concentrations and intima-media thickness of the common carotid artery (CCA-IMT) was investigated in 1212 elderly men (aged 61-80 years) in Eastern Finland. They were examined by B-mode ultrasound to detect early signs of carotid atherosclerosis, and plasma concentrations of carotenoids were measured by high-performance liquid chromatography.
RESULTS: Men in the lowest quartile of CCA-IMT had significantly higher concentrations of plasma β-cryptoxanthin, lycopene and α-carotene than men in the highest quartile (P for the differences: 0.043, 0.045 and 0.046, respectively), after adjustment for age, examination year, body mass index, smoking, alcohol intake, years of education, symptomatic coronary heart disease (CHD) or CHD history, diabetes, low-density lipoprotein cholesterol, medications and season. The concentrations of plasma β-cryptoxanthin, lycopene and α-carotene decreased linearly with increasing CCA-IMT.
CONCLUSIONS: The results of this study suggest that high plasma concentrations of β-cryptoxanthin, lycopene and α-carotene may be associated with decreased carotid atherosclerosis in elderly men from eastern Finland.
METHODS: We examined the effect of carotenoids on early atherosclerosis in a population-based study. The association between plasma carotenoid concentrations and intima-media thickness of the common carotid artery (CCA-IMT) was investigated in 1212 elderly men (aged 61-80 years) in Eastern Finland. They were examined by B-mode ultrasound to detect early signs of carotid atherosclerosis, and plasma concentrations of carotenoids were measured by high-performance liquid chromatography.
RESULTS: Men in the lowest quartile of CCA-IMT had significantly higher concentrations of plasma β-cryptoxanthin, lycopene and α-carotene than men in the highest quartile (P for the differences: 0.043, 0.045 and 0.046, respectively), after adjustment for age, examination year, body mass index, smoking, alcohol intake, years of education, symptomatic coronary heart disease (CHD) or CHD history, diabetes, low-density lipoprotein cholesterol, medications and season. The concentrations of plasma β-cryptoxanthin, lycopene and α-carotene decreased linearly with increasing CCA-IMT.
CONCLUSIONS: The results of this study suggest that high plasma concentrations of β-cryptoxanthin, lycopene and α-carotene may be associated with decreased carotid atherosclerosis in elderly men from eastern Finland.