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J Diabetes Complications. 2004 Sep-Oct;18(5):258-63.

Lipids and lipoprotein(a) concentrations in Tunisian type 2 diabetic patients; Relationship to glycemic control and coronary heart disease.

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Laboratoire de Biochimie, Faculté de Médecine, 5019 Monastir, Tunisia.


The aim of this study was to evaluate plasma lipoprotein(a) [Lp(a)] concentrations in Tunisian patients with type 2 diabetes mellitus (DM), to correlate the values with other lipid parameters, and to examine the relationship to glycemic control and coronary heart disease (CHD). Diabetic patients with and without CHD (n=200) had significantly higher levels of Lp(a) (327.94+/-239.93 mg/l) and a greater proportion of elevated (>300 mg/l) Lp(a) concentrations (46%) compared with 100 healthy nondiabetic controls (269.83+/-225.6 mg/l, P<.01, and 26%, P<.01), while there were no statistically significant difference between diabetics without CHD (n=100) and controls. No significant association of Lp(a) with glycemic control (HbAlc or fasting blood glucose) was noted in diabetic patients. Positive correlations were observed between Lp(a) levels and total cholesterol and LDL-C in all diabetic patients and particularly in diabetic men. Male patients with CHD showed significantly higher plasma Lp(a) levels than those without CHD (P=.023), and 57.3% of patients with CHD showed increase (>300 mg/l) Lp(a) compared with 33.3% of patients without CHD. Elevated levels of Lp (a) and abnormal lipid profile in diabetic men suggest their involvement in atherogenesis and subsequent development of CHD.

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