- OA is the most common form of arthritis and the most common joint disease
- It can occur in any synovial joint; the common sites being the knees, hips & small hand joints.
- Consequences of OA include pain, reduced function, & restriction in daily activities.
- Management is made complex because structural changes can occur without the patient displaying any symptoms.
- Carol David, 1999 – Definition of OA varies, but considered to be a chronic degenerative & progressive condition affecting synovial joint.
- John Ebnezar, 2003 – It is a degenerative, non-inflammatory joint disease characterized by destruction of articular cartilage & formation of new bone at the joint surface & margins.
- Royal College of Physician, 2008 – OA refers to a clinical syndrome of joint pain accompanied by varying degrees of functional limitation & reduced quality of life.
- The most common reason of disability expect traumas.
- First appears asymptomatically in the 2th and 3rd decades.
- Incidence increases with age
– population: 10%
– 60 and above: 50%
– 80 and above 90%
- Usually onset in the 50s
- Mostly occurs at the ends of the fingers, knees, and hips
- Women are more commonly affected than men.