RESUMO
INTRODUCTION: Behçet's disease (BD) is a relapsing systemic inflammatory disorder. The diagnosis of BD is primarily based on clinical findings. Current biomarkers are not yet sufficient to diagnose and cannot anticipate the course of the disease and response to treatment. The aim of this study was to evaluate the relationship between the thiol-disulfide balance and disease activity and organ involvement in BD. MATERIAL AND METHODS: A hundred fifty patients with BD and 100 age- and gender-matched healthy controls were included in the study. Disease activity was assessed with the BD Current Activity form score. Serum levels of native thiol (NT), total thiol (TT), and disulfide were measured and the disulfide/native thiol, disulfide/total thiol and native thiol/total thiol levels were calculated for the patient and control groups. RESULTS: Native thiol, total thiol, native thiol/total thiol values of the BD patients were significantly lower than those of the control group. The disulfide/native thiol, disulfide/total thiol values of BD patients were higher compared to the control group and the disulfide value of the BD group was slightly higher compared to the control group. No correlation was determined between thiol levels and disease activity and organ involvement in BD. CONCLUSIONS: In patients with Behcet's disease, the thiol-disulfide homeostasis balance shifted towards disulfide formation due to thiol oxidation. It may be used as a novel marker in BD because it is easy, practical, fully automated and relatively inexpensive.
RESUMO
OBJECTIVES: Behçet's disease (BD) is a type of systemic vasculitis and inflammatory disease of unknown etiology, which is associated with fatigue and lower quality of life (QoL). The aim of this study was to assess the relationship between Behçet's Disease Current Activity Form (BDCAF) and Behçet's Disease Quality of Life (BDQoL), depression, anxiety and fatigue in Behçet's disease. METHODS: We conducted a cross-sectional study of 155 BD patients and 107 healthy subjects in a single center over a 1 year period. All participants completed the Multidimensional Assessment of Fatigue (MAF) questionnaire, and the Hospital Anxiety and Depression (HADS) scale. Disease activity in the BD patients was assessed using the BDCAF, and the physician's global assessment (PGA). BD patients also completed the BDQoL questionnaire. RESULTS: There was no significant difference in age and gender between the groups. BD patients had significantly higher HADS-anxiety (HADS-A), HADS-depression (HADS-D) and MAF scores than the healthy control group (P < 0.05). BD patients with active disease had significantly higher MAF and HADS-A scores compared to inactive BD patients (P < 0.05). MAF scores showed positive correlations with HADS-A, HADS-D, BDCAF and BDQoL. CONCLUSIONS: Fatigue and anxiety are common in clinically active BD patients compared with healthy control subjects and inactive BD patients.
