Abstract
Psoriasis, a systemic immunomediated disorder, is associated with increased cardiovascular risk, although the contribution of rheological alteration to this risk has been seldom analyzed. We have determined erythrocyte deformability in 91 patients with psoriasis and in 101 sex- and age-matched control subjects by means of the Rheodyn SSD, along with hematological, biochemical and inflammatory parameters. Although psoriatic patients showed higher BMI, waist, triglyceride, C-reactive protein levels, neutrophils count and lower HDL-cholesterol (P < 0.001), no differences in the elongation index and in any of the shear stresses tested (12, 30, 60 Pa) were observed (P > 0.05). The results of the present study indicate that patients with psoriasis do not present impaired erythrocyte deformability. Therefore this rheological parameter does not seem to be involved in the higher cardiovascular risk characterizing these patients.
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