Lipid profile and lipoprotein(a) in chronic renal failure patients with and without hemodialysis
2012
Objectives: Chronic renal failure (CRF) is complicated by characteristic dyslipidemias. CRF patients on hemodialysis have abnormalities in lipid profile and have a high incidence of cardiovascular diseases. Lipoprotein(a) [Lp(a)] is now considered as a novel cardiovascular risk factor and its level is increased in CRF patients with and without hemodialysis. We sought to evaluate the pattern of lipid profile including Lp(a) level in CRF patients with and without hemodialysis. Methodology: Study were divided into 3 groups, Group-I: healthy controls (30), Group-II: CRF patients who never undergone hemodialysis (30) and Group-III: CRF patients on hemodialysis for more than 6 months (30). We obtained serum samples from patients in the morning after an overnight fast and were analysed for total cholesterol (TC), triglycerides (TGs), HDL, LDL, Lp(a) using standard colorimetric assays on fully automated analyzer. VLDL concentration was calculated using Friedewald's Formula. Results: Among the various parameters tested triglyceride and VLDL levels were significantly higher in group-II and III as compared to controls (p 0.05) observed in total cholesterol and LDL levels in between healthy controls and CRF patients with & without hemodialysis. Lp(a) levels were significantly higher in group-II and III as compared to controls (p 0.05). There was no significant difference (p>0.05) observed between Lp(a) levels and lipid profile in male and female patients in control group and in CRF patients with and without hemodialysis. Conclusions: This study demonstrated that CRF patients with and without hemodialysis are at greater risk of development of dyslipidemias, characterized by hypertriglyceridemia, elevated VLDL and Lp(a) levels and decreased HDL levels. Total cholesterol and LDL cholesterol levels remain normal or decreased in these patients. Both male and female patients of CRF with and without hemodialysis have dyslipidemias without any discrimination of sex and it is not attenuated by the hemodialysis process.
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