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Osteoarthritis
1Rheumatology Division, Indiana University School of Medicine, Indianapolis.
Insights
Osteoarthritis, or degenerative joint disease, involves the failure of joints due to various causes affecting cartilage, bone, or surrounding tissues. Primary osteoarthritis is the most common form, typically affecting single joints like the hands, hips, and knees.
Area of Science:
- Orthopedics
- Rheumatology
- Pathology
Background:
- Osteoarthritis (OA), also known as osteoarthrosis or degenerative joint disease, signifies joint failure.
- Joint failure can stem from diverse etiologies affecting articular cartilage, subchondral bone, synovial membrane, ligaments, or the neuromuscular system.
Purpose of the Study:
- To define osteoarthritis as a multifactorial condition involving various joint components.
- To describe the characteristics and common manifestations of primary (idiopathic) OA.
Main Methods:
- Review of existing literature on osteoarthritis etiology and pathology.
- Analysis of common clinical presentations and affected joints in primary OA.
Main Results:
- Osteoarthritis is characterized by the failure of the diarthrodial joint.
- Primary OA, the most prevalent form, is often monoarticular, progresses slowly, and commonly affects the hands, hips, knees, spine, and great toe's metatarsophalangeal joint.
Conclusions:
- Osteoarthritis is a complex degenerative process with multiple potential causes.
- Understanding the diverse origins and common sites of primary OA is crucial for diagnosis and management.
Abstract:
Osteoarthritis (OA, osteoarthrosis, degenerative joint disease) represents failure of the diarthrodial joint. It has numerous causes. As the heart may fail due to disease of the myocardium, endocardium, or epicardium, the joint may fail due to an abnormality in the articular cartilage, underlying bone, synovial membrane, supporting ligaments, or neuromuscular system. Primary (idiopathic) OA represents the most common form of the disease. It is usually monoarticular and tends to progress slowly. It most commonly involves the small joints of the hands, the hips, knees, spine, and the metatarsophalangeal joint of the great toe.