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Erosion Identification in Metacarpophalangeal Joints in Rheumatoid Arthritis using High-Resolution Peripheral Quantitative Computed Tomography
Published on: October 6, 2023
Polyarticular pseudosepsis in rheumatoid arthritis
1Department of Medicine, Nashville Department of Veterans Affairs Medical Center, Tenn.
Southern Medical Journal
|April 1, 1992
Summary
Severe rheumatoid arthritis flares can mimic infections, causing joint inflammation and fever. Prompt diagnosis is crucial to avoid unnecessary antibiotics and manage the condition effectively.
Area of Science:
- Rheumatology
- Immunology
- Infectious Diseases
Background:
- Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by joint inflammation.
- Seropositive RA indicates the presence of specific antibodies, often rheumatoid factor and anti-CCP antibodies.
- Distinguishing between inflammatory flares and infection is critical in managing RA patients.
Observation:
- Three patients with established seropositive rheumatoid arthritis presented with fever.
- These patients exhibited significant leukocytosis (high white blood cell count) in synovial fluid from multiple joints.
- No infectious pathogens were identified in synovial fluid or blood samples.
Findings:
- The patients' symptoms resolved spontaneously without the need for extended antibiotic treatment.
- The clinical presentation strongly suggested an infectious process but was ultimately attributed to severe synovitis.
- Acute, severe exacerbations of synovitis in RA can present as a systemic inflammatory response.
Implications:
- This highlights the importance of considering severe RA flares as a differential diagnosis in patients presenting with fever and joint effusion.
- Misdiagnosis can lead to unnecessary antibiotic use, potentially contributing to antimicrobial resistance.
- Accurate differentiation between inflammatory exacerbations and septic arthritis is essential for appropriate patient management and outcomes.
