:: Volume 15, Issue 1 (Iranian South Medical of Journal 2012) ::
Iran South Med J 2012, 15(1): 43-50 Back to browse issues page
Relationship among plasma vitamin B12 and folic acid levels and coronary artery disease
Masoomeh Tohidhi1, Mohammad Hossein Dabbagh manesh2, Javad Kajouri3, Masoomeh Khedri4
1- Department of Endocrinology & Metabolism Research Center, Namazi Hospital, Shiraz University of Medical sciences, Fars, IRAN
2- , dabbaghm@sums.ac.ir
3- School of Medicine, Shiraz University of Medical sciences, Fars, IRAN
4- School of Medicine, Ahvaz University of Medical sciences, Khoozestan, IRAN
Abstract:   (16050 Views)

Background: Hyperhomocysteinemia is a new risk factor for cardiovascular disease. It is a sensitive marker of the vitamin B12 and folate insufficiency. Folate and vitamin B12 may be a protective effect on cardiovascular disease. According to limited data about role of vitamin B12 and folate in coronary artery disease (CAD), we conducted this study to measure these factors in patients with coronary artery disease and in control subjects. Methods: This case-control study was performed on 139 subjects who underwent coronary angiography in Shiraz. Plasma vitamin B12 and folate level were measured and compared between patients with CAD and control subjects. Results: 139 individuals with a mean age 56.99±11.93 were enrolled in this study. 31.2% of them had a normal coronary angiography. Mean plasma level of folate in patients with CAD was lower than control subjects (4.46±1.28 ng/ml versus 5.00±1.81 ng/ml, P = 0.04). Also mean plasma level of vitamin B12 in patients CAD and control subjects were 451.43±138.90 and 503.60±199.35 pg/ml respectively. Although mean level of vitamin B12 in patients with CAD was lower than control group, but it was not statistically significant (P = 0.07). Conclusion: Mean plasma level of vitamin B12 and folate were lower in patients with CAD than control group. It seems that supplementation with this vitamins may be useful in patients with CAD.

Keywords: vitamin B12, folate, coronary artery disease (CAD), homocystein
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Type of Study: Original | Subject: General
Received: 2010/04/27 | Accepted: 2010/08/25 | Published: 2012/01/16


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