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Hyperhomocysteinemia as an independent risk factor for silent brain infarction

Title
Hyperhomocysteinemia as an independent risk factor for silent brain infarction
Authors
Kim N.K.Choi B.O.Jung W.S.Choi Y.J.Choi K.G.
Ewha Authors
최경규최병옥
SCOPUS Author ID
최경규scopus
Issue Date
2003
Journal Title
Neurology
ISSN
0028-3878JCR Link
Citation
vol. 61, no. 11, pp. 1595 - 1599
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Objective: To evaluate whether hyperhomocysteinemia is an independent risk factor for silent brain infarction (SBI), and to determine the relationship between homocysteine and folate in each type of methylenetetrahydrofolate reductase (MTHFR) polymorphism, in order to identify a way of reducing the risk for SBI. Methods: The authors enrolled 161 patients with SBI and 126 healthy people, checked their fasting homocysteine and folate levels, and analyzed for the MTHFR C677T polymorphism. Results: The mean plasma homocysteine level in patients with SBI (12.17 ± 5.35 μmol/L) was significantly higher than in normal healthy people (9.37 ± 4.11 μmol/L; p < 0.05). By subgroup analysis, based on the classification of plasma homocysteine levels as high (≥ 11.77 μmol/L), moderate (8.71 to 11.76 μmol/L), and low (≤8.70 μmol/L), the adjusted OR (AOR) of the high group for SBI was significantly greater than that of the low group (AOR, 4.78; 95% CI, 2.45 to 9.33). The homocysteine level showed a significant inverse correlation with folate level only in patients with SBI with the MTHFR 677TT genotype (p < 0.05). Conclusions: This study demonstrates that hyperhomocysteinemia is an independent risk factor for SBI, and provides the possibility of reducing the risk for SBI in the MTHFR 677TT genotype by folate supplementation.
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의과대학 > 의학과 > Journal papers
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