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  • Title: Determinants of plasma total homocysteine levels in Korean chronic renal transplant recipients.
    Author: Han H, Dwyer JT, Selhub J, Jacques PF, Park JH, Kim YS, Bang BK, Bostom AG.
    Journal: J Ren Nutr; 2000 Oct; 10(4):202-7. PubMed ID: 11070148.
    Abstract:
    OBJECTIVE: Study the determinants of plasma total homocysteine (tHcy) levels, such as fasting levels of serum creatinine (SCr), albumin, plasma tHcy, folate, B(12), and pyridoxal-5'-phosphate (PLP) in chronic Korean renal transplant recipients (RTR). DESIGN: Cross-sectional study. SETTING: Nephrology & Transplant Service in Catholic University Kangnam St. Mary's Hospital, Seoul, Korea. PARTICIPANTS: Ninety-one chronic Korean RTR with stable renal function who were > or =6 months post-transplant. MEASURES: Used medical record review and anthropometric measurements, and overnight (10 to 14 hours) fasting blood samples were measured for plasma tHcy, PLP, folate, B(12), SCr, and albumin. RESULTS: The prevalence of hyperhomocysteinemia (tHcy > 12 micromol/L) was 56%, and 47% had low plasma folate levels (<3 ng/mL). Linear modeling with analysis of covariance adjusted for age, sex, albumin, SCr, and plasma B-vitamin status revealed that only SCr (standard regression coefficient R = +0.663, P<.001), plasma folate (R = -0.276, P =.001), and B(12) (R = -0.149, marginal, P =.08) were independent determinants of fasting tHcy levels in this patient population. CONCLUSION: Renal function is the major independent determinant of the fasting tHcy levels among chronic, stable Korean RTR, and that B-vitamin status plays a secondary role among such patients.
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