Volume 12, Number 4 (Winter 2009)                   hmj 2009, 12(4): 231-236 | Back to browse issues page


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Khadem Vatan K, Haghparast F, Eftekhar E, Noroz Zadeh J. Pro oxidant and antioxidant status in patients with coronary artery disease proven angiographic ally. hmj. 2009; 12 (4) :231-236
URL: http://hmj.hums.ac.ir/article-1-435-en.html

Abstract:   (8678 Views)
Introduction: Coronary artery disease (CAD) is the major cause of death in both industrial and developing countries. Evidences suggest that increase in free radical generation and/or attenuated antioxidant defenses may be involved in the pathogenesis of CAD. The aim of this investigation was to evaluate the plasma measures of oxidative stress in patients with coronary artery disease documented by angiography.
Methods: In this study case-control study, fifty eight patients with angiographic ally proven coronary artery disease as cases and fifty five control subjects (Age range: 41-70 years and 39-71 years, respectively) were recruited from heart centre at Talaghani hospital affiliated with Urmia university of medical science. Plasma vitamin E concentration was determined by high-performance liquid chromatography. Plasma glutathione and malondialdehyde were studied spectrophotometrically. Data analyses were performed by SPSS-11 statistical software, using t-test.
Results: Plasma malondialdehyde levels were markedly higher in the patients group than in the controls (114.9340.65 µmol/L versus 50.4917.52 µmol/L P<0.05). Both vitamin E or glutathione levels were significantly lower in patient group compared with controls (28.556.3 µmol/L versus 32.077.4 µmol/L P<0.05 and 43.0148 nmol/L versus 124.463.4 nmol/L P<0.05 respectively). Significant inverse correlations were seen between malondialdehyde levels and either vitamin E or glutathione concentrations (P<0/05).
Conclusion: Our finding of impaired balance between antioxidant/pro oxidant suggest that enhanced oxidative stress may be involved in the pathogenesis of CAD. Understanding of the event that contribute to these changes, may provide new opportunities for rational therapeutic strategies.
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Type of Study: Research | Subject: General
Received: 2012/10/30

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