Causes of Wrist Joint Replacement - Wrist Arthroplasty - Delhi, India

Feb. 12, 2011 - PRLog -- Joint replacement surgery in the wrist is less common but can be an option if you have painful arthritis that does not respond to other treatments.
The wrist is a more complicated joint than the hip or the knee. On the hand side of the wrist, there are two rows of bones at the base of the hand. There are four bones in each row. The bones in these rows are called the carpals. The long thin bones of the hand radiate out from one row of carpals and form the basis of the fingers and thumb.
The radius and the ulna are the two bones of the forearm that form a joint with the first row of carpals.
The ends of the bones are covered with an elastic tissue, called cartilage. Cartilage creates a slick surface that enables the bones to move smoothly when they move against each other.
Cause
If the cartilage is worn away or damaged by injury, infection, or disease, the bones themselves will rub against each other, wearing out the ends of the bones. This causes a painful, arthritic condition.
Osteoarthritis, the most common form of arthritis, results from a gradual wearing away of the cartilage covering on bones.
Rheumatoid arthritis is a chronic inflammatory disease of the joints that results in pain, stiffness and swelling. Rheumatoid arthritis usually affects several joints on both the right and left sides of the body.
Both forms of arthritis may affect the strength of the fingers and hand, making it difficult to grip or pinch.
The typical candidate for wrist replacement surgery has severe arthritis but does not need to use the wrist to meet heavy demands in daily use. The primary reasons for wrist replacement surgery are to relieve pain and to maintain function in the wrist and hand.
Advantages of Wrist joint replacement:
Wrist replacement surgery may help retain or recover wrist movements. It may also improve the ability to perform daily living activities, especially if there is arthritis in the elbow and shoulder. During any total joint replacement, the worn-out ends of the bones are removed and replaced by an artificial joint (prosthesis).
In some cases, fusing the bones of the wrist together will reduce or eliminate pain and improve grip strength. However, if the bones are fused together, the wrist will not be able to bend.
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