Title: Dislipidemia and oxidative stress in mild and in severe psoriasis as a risk for cardiovascular disease
Authors: Rocha-Pereira, Petronila 
Santos-Silva, Alice 
Rebelo, Irene 
Figueiredo, Américo 
Quintanilha, Alexandre 
Teixeira, Frederico 
Keywords: Psoriasis;Risk factors;Cardiovascular disease;Oxidants;Antioxidants;Serum lipids
Issue Date: 2001
Citation: Clinica Chimica Acta. 303:1-2 (2001) 33-39
Abstract: Psoriasis is a common chronic and recurrent inflammatory skin disorder that has been associated with oxidative stress, abnormal plasma lipid metabolism and with high frequency of cardiovascular events. This prevalence seems to be related to the severity of psoriasis, as it occurs more frequently in patients presenting large areas of the body affected with psoriasis lesions. The aim of our work was to evaluate the development of oxidative stress and of dislipidemia in psoriasis, and to look for a correlation between their levels and worsening of psoriasis. We evaluated lipid profile, total antioxidant capacity, antioxidant vitamins A and E, and lipoperoxidation products. The study was performed in controls and in patients presenting mild and severe psoriasis. Patients presented risk changes in lipid profile (a rise in cholesterol (P<0.01), triglycerides (P<0.001), low density lipoprotein cholesterol (P<0.01), very low density lipoprotein cholesterol (P<0.01), apolipoprotein B (P<0.001) and lipoprotein(a) (P<0.001); and a reduction in high density lipoprotein cholesterol (P<0.001)), a rise in lipoperoxidation products (P<0.001) and a reduction in total antioxidant capacity (P<0.001) and in antioxidant vitamins A (P<0.001) and E (P<0.05). Moreover, we found that the worsening of psoriasis was associated with the enhancement of oxidative stress and of the lipid risk changes. Our data suggest that psoriasis patients must be considered as a group at risk for cardiovascular disease and that this risk seems to be higher in severe psoriasis. In addition, a possible benefit of an enriched diet or of a supplement of vitamins A and E in psoriasis patients should be further studied.
URI: http://hdl.handle.net/10316/4832
Rights: openAccess
Appears in Collections:FMUC Medicina - Artigos em Revistas Internacionais

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