The most common condition that results in the need for knee replacement surgery is osteoarthritis. This is a degenerative, joint disease that affects mostly middle-aged and older adults. Osteoarthritis is characterized by the breakdown of joint cartilage and adjacent bone in the knees. Other forms of arthritis, such as rheumatoid arthritis and arthritis that results from a knee injury can also lead to degeneration of the knee joint. In addition, fractures, torn cartilage, or torn ligaments also can lead to irreversible damage to the knee joint over the years.
Knee replacement, also known as knee arthroplasty, is a surgical procedure to replace the weight-bearing surfaces of the knee joint to relieve pain and disability, most commonly offered when joint pain