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[Osteoporosis in rheumatoid arthritis]
1Department of Internal Medicine and Laboratory Medicine, St. Marianna University School of Medicine.
Nihon Rinsho. Japanese Journal of Clinical Medicine
|July 2, 1998
Summary
Rheumatoid arthritis (RA) patients experience bone loss, including early periarticular osteopenia and generalized osteoporosis. Early RA treatment and lifestyle interventions can help prevent and manage bone density loss.
Area of Science:
- Rheumatology
- Bone Metabolism
- Osteoporosis Research
Context:
- Rheumatoid arthritis (RA) is associated with distinct patterns of bone loss.
- Periarticular osteopenia is an early radiological sign in RA, linked to inflammation.
- Generalized osteoporosis increases fracture risk in RA patients.
Purpose:
- To elucidate the mechanisms and risk factors for periarticular and generalized osteoporosis in RA.
- To identify key determinants of bone mineral density (BMD) loss in different skeletal sites.
- To explore therapeutic strategies for managing osteoporosis in RA.
Summary:
- RA patients develop early periarticular osteopenia due to uncoupled bone remodeling, potentially mediated by inflammatory cytokines.
- Generalized osteoporosis in RA is multifactorial, influenced by corticosteroids, menopausal status, rheumatoid activity, and reduced physical activity.
- Functional impairment significantly impacts femoral BMD more than spinal BMD in RA patients.
Impact:
- Highlights the necessity of early rheumatoid synovitis suppression to prevent periarticular osteopenia.
- Emphasizes multifactorial nature of generalized osteoporosis, differentiating contributing factors for axial and appendicular bones.
- Suggests HRT and bisphosphonates as potential treatments for osteoporosis in RA, particularly in postmenopausal women.