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Oxidant/antioxidant status in patients with Raynaud's disease


, : Oxidant/antioxidant status in patients with Raynaud's disease. La Clinica Terapeutica 159(2): 77-81

Despite several studies concerning the oxidative stress in Raynaud's phenomenon secondary to systemic sclerosis (secondary Raynaud, SR), little is known regarding the relationship between Raynaud's disease (primary Raynaud, PR) and oxidative stress at present. The aim of the present research was to study the parameters of oxidative stress in PR patients and to compare them to those of SR patients. Serum hydroperoxide (Hydrop) level, serum total antioxidant capacity (TAC) and serum total thiol (-SHp) barrier were measured in 19 patients with SR, 15 patients with PR and 14 healthy control subjects (CS). The statistical contrasts were performed via one-way ANOVA. The serum Hydrop concentrations were significantly higher in SR (p = 0.0043) and PR (p = 0.0038) groups in comparison with CS. A significant decrease in serum TAC level in SR (p = 0.00005) and PR (p = 0.00128) patients in respect to the CS was revealed. No significant change in the -SHp barrier in SR and PR patients in respect to CS has been demonstrated. However, there were no significant differences in serum Hydrop and TAC levels between the groups of patients. The study of serum oxidative stress parameters, in terms of Hydro and TAC levels may be used as a routine and rapid test to verify the oxidative stress status in SR and PR patients and to undertake a strategy of treatments by a supplementation of antioxidant molecules.

US$29.90

PMID: 18463765


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