Lipoprotein(a): An independent risk factor for ischemic heart disease that is dependent on triglycerides in subjects with type 2 diabetes mellitus

Ali AlBahrani, Mohammed Alkindi, Eileen Marks, Said AlYahyaee, Alan Shenkin

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Abstract

Introduction. Lipoprotein(a) is an independent risk factor for Ischaemic Heart Disease (IHD) in the general population. There are conflicting reports in the extent of its association with IHD among subjects with Type 2 diabetes mellitus (T2DM). The aim was to determine the concentration of Lp(a) and its relationship with other lipids parameters among Omani T2DM subjects with and without IHD. An over-night fasting blood sample from 221 T2DM subjects (86 females and 135 males) and 156 non-diabetics (69 females and 87 males) aged 30-70 years (as control) was taken for lipid profile studies. Results. Lp(a) was significantly lower (p = 0.012) among T2DM subjects 0.123(1.12) g/L compared to non-diabetics 0.246 (1.18)g/L, irrespective of gender. A significant correlation (Spearman correlation, P = 0.047) was revealed between Lp(a) and IHD among Omani T2DM subjects. The proportions of T2DM subjects with IHD and an Lp(a) >0.3 g/L was higher compared to T2DM without IHD irrespective of gender, for women 42% vs. 27% and for men 17.5 vs. 8%, respectively. A significant negative correlation existed between Lp(a) and triglycerides (r = 0.41, P = 0.002) among T2DM subjects. In contrast, a significant positive correlation existed between Lp(a) and LDL-chol among the non-diabetic subjects. Women had significantly higher Lp(a) concentration compared to men ( 0.30 Vs. 0.16 g/L, P < 0.0001) irrespective of the diabetic status. Conclusion. Lp(a) is an independent risk factor for IHD among Omani T2DM subjects. Lp(a) concentration was significantly lower and negatively correlated with triglycerides among Omani diabetic compared to non-diabetic subjects.

Original languageEnglish
Article number26
JournalLipids in Health and Disease
Volume6
DOIs
Publication statusPublished - 2007

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ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology
  • Clinical Biochemistry
  • Biochemistry, medical

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