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AB0562 Demographic Characteristics and Distribution of The Vasculitides Frequencies: A Real- Life Experience of Vasculitis Center from Eastern Mediterranean
  1. O. Karadag,
  2. A. Erden,
  3. E. Bilgin,
  4. E.D. Batu,
  5. B. Armagan,
  6. A. Sarı,
  7. E. Fırat,
  8. Z.S. Arıcı,
  9. A.O. Uyaroğlu,
  10. E. Seyhoglu,
  11. E.C. Bolek,
  12. U. Kalyoncu,
  13. A. Akdoğan,
  14. S.A. Bilgen,
  15. S. Kiraz,
  16. I. Ertenli,
  17. S. Ozen
  1. Hacettepe University Vasculitis Center (HUVAC), Ankara, Turkey

Abstract

Background Vasculitides are a heterogeneous group of diseases. The distribution of the type of vasculitis changes not only with age and sex but according to the geographic area as well. The prevalence of each vasculitis is important in guiding the local medical education and raising awareness of doctors and policy makers etc.

Objectives This study is aimed to present the distribution of vasculitides in the Pediatric and Adult Vasculitis patient Groups.

Methods Hacettepe University is one of the main referral centers in the country. Executive committee of our Vasculitis center consist of physicians from Pediatric and Adult Rheumatology, Nephrology, Radiology and Pathology Departments. Multidisciplinary approach improves management of our patients. All patients starting from October 2014 have been included and defined according to the 2012 revised Chapel Hill nomenclature criteria.

Results A total of 882 patients had been newly diagnosed/followed in this period. 205 (23.2%) of them were pediatric patients. The leading vasculitis among adult patients was Behcet's Disease whereas in pediatric patients it was HSP (Figure). More than half of the adult Behcet's patients (58.4%) had uveitis/neurologic/vascular involvement.

Takayasu arteritis was more frequent than giant cell arteritis among the adult patients. There was a female predominance in patients with large vessel vasculitis. Granulomatous polyangiitis was the most common small vessel vasculitis in adults. Finally 23 adult cases of Immunglobulin G4 related disease have been seen.

Table 1.

Demographic characteristics of each vasculitis

Conclusions We describe the demographic characteristics and distribution of vasculitides in the eastern Mediterranean. Behcet's disease has a high frequency as expected. Also Takayasu arteritis is more frequent than Giant cell arteritis. Microscopic polyangiitis is very rare. Among children Kawasaki was less and Behçet disease markedly more when compared to western Europe figures. The observed differences may be due to genetic modifiers or environmental factors.

Disclosure of Interest None declared

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