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The Influence of Time on the Epidemiology and Clinical Manifestations of Behçet's Disease in Brazil
Lilian T Hirata1, Carlos Eduardo G Teixeira1, Eduardo P Magalhaes1
1Unit of Rheumatology, Department of Orthopedics, Rheumatology and Traumatology, School of Medical Sciences, State University of Campinas (UNICAMP), Campinas 13083-855, Brazil.
Objective:
Modifications in the severity and clinical expression of Behçet's disease (BD) have been described in some areas that are considered endemic for the disease. This study aims to evaluate the chronological changes in epidemiology and clinical characteristics of BD patients in a referral center in Brazil, which is considered a non-endemic area for the disease.
Methods:
A descriptive and cross-sectional study involving BD patients divided into two groups: group 1 patients were diagnosed and followed between 1988 and 2010, and group 2 were diagnosed and followed between 2011 and 2022.
Results:
No significant differences were found regarding gender and age at onset of symptoms between groups. We found a significant decrease in the frequency of bilateral ocular involvement, posterior uveitis, and retinal vasculitis.
Conclusion:
The demographic dates of this group of Brazilian BD patients remained similar over the last decade. Our study supports the notion that BD is becoming lighter in some regions. BD is a severe blinding disorder, and we found a lower frequency of ocular involvement over time. These findings may be attributed to a higher level of education of patients and a growing awareness of the disease. Newer immunomodulating and biologic agents may offer an improved prognosis in patients with BD with severe manifestations.
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