Terapevt Arkh
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To establish the prevalence of spondyloarthropathies among the indigenous population of Chukot Peninsula, a one-stage cross-sectional study was made with a direct medical examination of the natives of the two settlements of Eastern Chukot Peninsula: Sireniki and Novo-Chaplino where the main part of Eskimos live. During expedition, 640 natives aged over 6 years lived in both settlements (382 and 258 respectively). 464 persons (72.5%) were examined. ⋯ The incidence of ankylosing spondyloarthritis among Eskimos amounted to 0.9%, Reiter's syndrome to 0.5%, and undifferentiated spondyloarthropathies to 0.5%. Thus the one-stage expedition examination of the indigenous population of Chukotka Peninsula (Eskimos and Chukchi) has shown that diseases belonging to the group of spondyloarthropathies are widely prevalent among Eskimos.