Abstract
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Serum Lipid Level in Tunisian Patients with Psoriasis
by Monia Allal El Asmi, Wiem Zidi, Amel Mebazaa, Yosra Zayani, Imen Ayadi, Moncef Feki, Amel Ben Osman, Naziha Kaabachi
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Background: Psoriasis is a common chronic inflammatory skin disorder that has been associated with oxidative stress, abnormal plasma lipid metabolism, and high frequency of cardiovascular events. The aim of this study was to determine lipid profile variations in Tunisian psoriatic patients.
Methods: This study was designed and conducted as a case-control assay with 91 psoriatic patients and 91 controls. The lipid profiles, including serum level of triglycerides, cholesterol, low-density lipoprotein (LDL), and high-density lipoprotein (HDL), were assessed in both groups.
Results: The two groups consisted of 91 patients and 91 controls, each with 45 males and 46 females. In the psoriatic group, serum triglycerides, low density lipoprotein, and very low density lipoprotein cholesterol were significantly higher than in the control group (p < 0.05), while the high density lipoprotein cholesterol (HDL-cholesterol) was significantly decreased in patients with psoriasis compared to controls (p < 0.001). There were no significant differences concerning insulin or insulin resistance and total cholesterol between the two groups. The insulin secretion was significantly higher in patients with psoriasis than in the control group (p = 0.003). However, there was no significant correlation between severity of psoriasis and serum lipid and insulin secretion. A negative correlation (r = -0.253, p = 0.019) was found between PASI index and HDL-C.
Conclusions: A high serum lipid level is significantly more common in psoriatic patients. This could be responsible for higher prevalence of cardiovascular incidents in psoriatic patients. It may be useful to do early screening and treatment of hyperlipidaemia in psoriatic patients to prevent atherosclerosis and its complications.
DOI: 10.7754/Clin.Lab.2013.130535
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