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[Unclassifiable inflammatory rheumatism with HLA B27]
Revue Du Rhumatisme Et Des Maladies Osteo-Articulaires
|January 1, 1982
Summary
This study followed 25 patients with the HLA B27 antigen and undiagnosed inflammatory rheumatism. Many experienced lower limb pain, with some developing spondylarthritis or rheumatoid polyarthritis over time.
Area of Science:
- Rheumatology
- Immunogenetics
Context:
- Investigating inflammatory rheumatism in patients with the Human Leukocyte Antigen B27 (HLA B27) histocompatibility antigen.
- Observing a cohort of 25 patients (12 male, 13 female) with unclassifiable inflammatory rheumatic conditions.
Purpose:
- To characterize the clinical presentation and long-term outcomes of inflammatory rheumatism in HLA B27-positive individuals.
- To explore potential associations between HLA B27 and specific rheumatic disease classifications.
Summary:
- Initial symptoms predominantly affected lower limbs (knees, ankles, heels) in 14 patients, while 7 presented with chronic, symmetrical finger polyarthritis.
- Over an average 38-month follow-up, 3 patients developed sero-negative polyarthritis with erosions, potentially classifiable as rheumatoid polyarthritis. Two definite and three possible cases of ankylosing spondylarthritis were identified.
- The majority of other patients experienced recurrent lower limb rheumatism, often with heel pain (talalgia).
Impact:
- Highlights the diverse clinical spectrum of inflammatory rheumatism in HLA B27-positive patients.
- Suggests HLA B27 may be a significant factor in the development or presentation of certain rheumatic diseases, including ankylosing spondylarthritis.
- Provides insights into the long-term prognosis and potential diagnostic challenges in this patient group.