Role of Serum Lipids and Free Radicals in Myocardial Infarction in NIDDM: A Case Control Study

Abstract—Abnormalities that characterizes lipoprotein metabolism in non-insulin dependent diabetes mellitus (NIDDM) patients, fasting concentration of triglyceride rich lipoprotein especially very low density lipoprotein (VLDL) are higher and those of HDL, commonly measured as HDL-c, are lower than among people without diabetes, which leads to increased triglyceride HDL-c ratio and insulin resistance. This type of diabetic dyslipidemia is a major cause of oxidative stress which promote and accelerate atherosclerosis and thus, end organ damage AMI. This present study was carried at the Central Clinical Laboratory MIMSR Medical College Latur, with the aim to find out the role of lipoprotein-triglyceride in myocardial infarction in NIDDM.  For this study, patient with myocardial infarction with NIDDM were selected after admitting in MIMSR Medical College Latur. These 25 cases were included in study group and age-matched to these cases 50 healthy subjects were selected as Control group. The lipid profile and total serum lipid peroxides (malondialdehyde) of study and control groups were assessed & compared. It was found that in the control group mean values of total cholesterol was 180.21 ± 18.13 mg % whereas it was 229.21± 23.58 in study group, which was significantly higher in study group. Likewise, mean Serum Triglycerides and Serum Lipid Peroxides (MDA) of study group were also found significantly (p<0.001) higher that of control group (228.14 v/s 99.9 and 410.22 v/s 180.96 respectively). It was also revealed in this study that mean Serum HDL-Cholesterol was found significantly lower in study group whereas LDL-Cholesterol (28.72 v/s 53.83)  and VLDL-Cholesterol were found significantly higher in study group that control group (150.61 v/s 106.60 and 46.30 v/s 19.8). So it can be concluded that AMI patients with NIDDM have higher Total Serum Cholesterol, Serum Triglycerides, Serum Lipid Peroxides (MDA), LDL- Cholesterol and VLDL- Cholesterol with lower HDL- Cholesterol.

Keywords: Diabetic dyslipidaemia, Insulin Resistance, Oxidative Stress Malanodialdehyde and Myocardial Infarction.

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Medical Journal: Role of Serum Lipids and Free Radicals in Myocardial Infarction in NIDDM: A Case Control Study

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