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[Reactive arthritis: terminology, etiology and pathogenesis]
S M Sidel'nikova1, G V Iushchenko, E M Aseeva
1Institute of Rheumatology, RAMN.
Klinicheskaia Meditsina
|January 1, 1996
Summary
Researchers identified Yersinia enterocolitica and other bacteria in synovial fluid from patients with reactive arthritis, challenging the idea that this condition is sterile. This finding suggests a potential microbial trigger for Yersinia-triggered arthritis.
Area of Science:
- Microbiology
- Immunology
- Rheumatology
Context:
- Reactive arthritis is often considered sterile, with a lack of identified causative agents in affected joints.
- Yersinia species are known triggers for reactive arthritis, but direct evidence of bacterial presence in synovial fluid has been limited.
Purpose:
- To investigate the presence of bacteria in the synovial fluid of patients with Yersinia-triggered reactive arthritis.
- To evaluate a novel bacteriological method for isolating microorganisms from synovial fluid.
- To reassess the prevailing understanding of reactive arthritis as an aseptic condition.
Summary:
- A new bacteriological method successfully isolated various Yersinia serovars (Y. enterocolitica, Y. pseudotuberculosis), Acinetobacter calcoaceticus, and Pseudomonas pauimobilis from the synovial fluid of 23 out of 34 patients with Yersinia-triggered arthritis.
- Bacterial strains were sometimes isolated repeatedly, providing further evidence of microbial involvement.
- The study highlights the potential for repeated isolation of causative agents, underscoring the importance of optimized culturing techniques.
Impact:
- Challenges the long-held notion that reactive arthritis is an aseptic condition.
- Suggests that direct bacterial presence in synovial fluid may play a significant role in the pathogenesis of Yersinia-triggered arthritis.
- May lead to revised diagnostic and therapeutic strategies for reactive arthritis by considering potential microbial triggers.