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Primary antiphospholipid syndrome evolving into systemic lupus erythematosus
F Mujic1, M J Cuadrado, M Lloyd
1Lupus Arthritis Research Unit, Rayne Institute, St. Thomas' Hospital, London, UK.
The Journal of Rheumatology
|August 1, 1995
Summary
Three primary antiphospholipid syndrome (APS) patients developed systemic lupus erythematosus (SLE) or lupus-like disease years after diagnosis. Genetic analysis revealed specific HLA antigen associations in these cases.
Area of Science:
- Rheumatology
- Immunology
- Genetics
Background:
- Antiphospholipid syndrome (APS) is an autoimmune disorder characterized by blood clots and pregnancy complications.
- Understanding the long-term evolution of APS is crucial for patient management.
Observation:
- A cohort of 165 patients with APS was followed since 1983.
- Three patients with primary APS (80 total) later developed systemic lupus erythematosus (SLE) or lupus-like disease.
Findings:
- The development of SLE/lupus-like disease occurred 4 to over 10 years after the initial APS diagnosis.
- Specific Human Leukocyte Antigen (HLA) profiles were identified in the patients who developed SLE, suggesting potential genetic predispositions.
Implications:
- This study highlights a potential long-term complication of primary APS, emphasizing the need for continued monitoring.
- Identifying genetic markers like HLA antigens may aid in predicting which APS patients are at higher risk for developing SLE.