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- W2077802688 abstract "Abstract Elevated plasma total homocysteine (tHcy) is an independent risk factor for cardiovascular disease (CVD). Also known is that plasma folate and vitamin B12 influence homocysteine metabolism as cosubstrate and cofactor, respectively. This population-based study was conducted to evaluate the plasma concentrations of tHcy, folate, and vitamin B12 in 54 older patients aged ≥51 years (40 males; 14 females) of Nice hospital cardiology service. After excluding cases with a serum creatinine >120 mmol/L, we established the test properties of a plasma tHcy concentration <15 μmol/L (Group 1) or ≥15 μmol/L (Group 2). In the population aged ≥51 years, plasma tHcy was higher in women (18.0 μmol/L) than in men (15.5 μmol/L; not significant), conversely, serum vitamin B12 was higher in men (376.9 pg/ml) than in women (340.7 pg/ml; not significant). Average plasma tHcy was 11.5 μmol/L in Group 1 and 21.6 μmol/L in Group 2. Vice versa , serum vitamin B12 was higher in Group 1 (419.5 pg/ml) than in Group 2 (307.2 pg/ml) (p <0.05). Correlation analysis (Pearson's r) in the total study population (20-84 years) indicated an inverse correlation between serum folate and age (r = -0.231, p <0.05). In the subjects, aged ≥51 years, there was a significant negative correlation between age and tHcy levels (r = -0.283, p <0.05) and serum vitamin B12 concentrations (r = -0.326, p <0.01) but not with serum folate. However, in subjects with tHcy <15 μmol/L, a significant inverse correlation existed between plasma tHcy and serum folate (r = -0.455; p <0.05). In conclusion, these results highlight the relevance of the vitamin status and particularly of folate levels in the modulation of fasting tHcy levels in the patients with clinical hyperhomocysteinemia, defined as plasma tHcy >15 μmol/L." @default.
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- W2077802688 date "2007-02-01" @default.
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- W2077802688 title "Plasma Total Homocysteine, Folate, and Vitamin B12 Status and Hospitalizations for Cardiovascular Disease" @default.
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- W2077802688 doi "https://doi.org/10.1515/pteridines.2007.18.1.122" @default.
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