Volume 5, Issue 2 (18 2005)                   ijdld 2005, 5(2): 163-174 | Back to browse issues page

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Fakhrzadeh H, Ghotbi S, Heshmat R, Pour-Ebrahim R, Nouri M, Shafaee A et al . DETERMINANTS OF TOTAL PLASMA HOMOCYSTEINE CONCENTRATION IN HEALTHY IRANIAN ADULTS: THE TEHRAN HOMOCYSTEINE SURVEY (2003-2004). ijdld. 2005; 5 (2) :163-174
URL: http://ijdld.tums.ac.ir/article-1-376-en.html
Abstract:   (8037 Views)
Background: Elevated total plasma Homocysteine, is an independent risk factor for cardiovascular disease. Folate and vitamin B12 have not only a protective effect on cardiovascular disease but also an essential effect on total Homocysteine concentrations (tHcy). This survey has been conducted to evaluate the determinants of tHcy in 1191 healthy Iranian adults.
Methods: This study which was a part of the Cardiovascular Risk Factors Survey in the Population Lab Region, has been designed and conducted based on MONICA/WHO project. A total of 1191 people have been recruited and assessed on serum Homocysteine, Folic acid and vitamin B12, triglycerides, cholesterol, HDL-C, LDL-C, FBS, BMI, BP and smoking, with interview, questionnaires, examination and blood sampling. Blood samples were analyzed according to standard methods.
Results: The variables were assessed in 1191 participants include 416 men (34.9%) and 775 women (65.1%). Prevalence of hyperhomocysteinemia was correlated significantly with male sex and aging. Hcy levels were inversely related to serum Folate and vitamin B12 concentrations. After further adjustments, we detected a positive correlation between tHcy and age, male sex, smoking and BMI, and a negative one with LDL-C and diabetes. Although there was a correlation between tHcy and blood pressure, after age, sex, BMI and smoking adjustment, it just remained significant in women and with systolic blood pressure.
Conclusion: We found that dietary and lifestyle parameters such as Folate intake and smoking habit are the main determinants of distribution of plasma Homocysteine in an apparently healthy population. We assumed that lifestyle changes could have considerable subsequences in public health. Our findings confirm the potential advantages of dietary improvements and increased intake of nutrients along with smoking cessation in order to prevent cardiovascular diseases in high-risk patients.
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Type of Study: Research | Subject: General
Received: 2005/11/23 | Accepted: 2006/03/10 | Published: 2013/10/3

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