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  • Title: Antioxidants, lipid peroxidation and lipoproteins in primary hypertension.
    Author: Srinivas K, Bhaskar MV, Aruna Kumari R, Nagaraj K, Reddy KK.
    Journal: Indian Heart J; 2000; 52(3):285-8. PubMed ID: 10976148.
    Abstract:
    The antioxidants and lipid peroxidation products are being extensively studied because of their potential importance and pathogenetic role in several non-communicable diseases like cardiovascular diseases and cancer, but the data on hypertension is scanty. Therefore, the present study aimed to assess the levels of lipid peroxidation and antioxidants besides dislipidemia changes among 32 newly diagnosed male hypertensives by comparing them with an equal sample of normotensives. Significant increase in serum lipid peroxide levels and decrease in antioxidant enzyme superoxide dismutase and vitamins E and A were observed among hypertensives than the controls. Hypertensives had higher total cholesterol, low-density lipoprotein cholesterol, triglycerides, body mass index and low high-density lipoprotein cholesterol levels than normotensives. The percentage prevalence of hypercholesterolemia, hypertriglyceridemia, low high-density lipoprotein cholesterol and obesity was higher in study subjects. Obese hypertensives had significantly higher levels of lipid peroxides and lipids with no change in antioxidant status than normal-weight hypertensives. Our results suggest that hypertensive patients may have elevated lipid peroxidation, lipids and reduced protection from antioxidants, which may contribute to the propensity in such patients to develop cardiovascular diseases, and to correct this, antioxidant supplementation besides weight reduction may be helpful to reduce the severity of burden.
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