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[Post-respiratory infection reactive arthritis--etiology, clinical and laboratory characteristics and early
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.
Results:
The priReA respiratory etiology was discovered in 31 patients, urogenital--in 14 cases and enterocolitic one--in 7 patients. Streptococcus and pneumoneal chlamydia cause priReA most frequently. HLA-B40 carriers are more predisposed to priReA. priReA runs with less frequent Reiter's syndrome and lesions of axial and extraarticular structures, better early prognosis.
Conclusion:
In young patients with early ReA respiratory etiology is observed more frequently than urogenital and enterocolitic ones. Compared to other kinds of ReA, priReA demonstrates some genetic, clinical and prognostic peculiarities.
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