[Post-respiratory infection reactive arthritis--etiology, clinical and laboratory characteristics and early prognosis].

Aim: To study etiology, clinico-laboratory characteristics and early prognosis of reactive arthritis developing after respiratory infections (priReA).

Material And Methods: Blood samples from 69 priReA patients aged 17-45 years were examined for specific antibodies to 28 bacterial and viral infectious agents, and antigens of group HLA-B7-CREG (B7, B13, B22, B27, B40, B73, Cw2). The test were made in hospital and 3 months after the patients' discharge.