Most people would be surprised to know that total hip replacements (THRs) have been around since the 1930s. Today's successful use of THRs reflects the many implant changes in design and materials that have taken place since those early attempts. In this article, orthopedic surgeons from the New York University Hospital for Joint Diseases review the history of THRs up to and including today's surface replacement arthroplasty (SRA). SRA is a type of hip replacement that replaces the arthritic surface of the joint. But it removes far less bone than the traditional total hip replacement. Because the hip resurfacing removes less bone, it may be preferable for younger patients who are expected to need a revision (second) hip replacement surgery as they get older and wear out the original implant. The surface replacement arthroplasty (SRA) is done by dislocating the femoral head out of the socket. Special powered instruments are used to shape the bone of the femoral head so that the new meta...
Q: I have been diagnosed with degenerative joint disease. I understand this is the same as osteoarthritis . It is primarily in my hips and knees. I am considering going into an upper flat. Is stair climbing beneficial or detrimental to the OA? A: Osteoarthritis is a synonym for degenerative joint disease. People in their 50s and '60s will frequently develop bony nodules over the small joints of the fingers (Heberden's and Bouchard's nodes) which are usually painless, though unsightly. These nodules are frequent markers of osteoarthritis, promising the possibility of joint involvement in other parts of the body. Although nobody knows what constitutes genetic risk factors for the development of osteoarthritis, a large number of people who have undergone trauma to the large weight-bearing joints (football injuries, falls, motor vehicle accidents, surgery) will lose cartilage over time. Cartilage serves as a protective tissue between adjacent long bones, and when lost through...
Hip joint replacement is surgery to replace all or part of the hip joint with an artificial joint. The artificial joint is called a prosthesis .
Hip arthroplasty; Total hip replacement; Hip hemiarthroplasty
The artificial hip joint has four parts:
A socket that replaces your old hip socket. The socket is usually made of metal.
The liner, which fits inside the socket. It is usually plastic, but some surgeons are now trying other materials, like ceramic and metal. The liner allows the hip to move smoothly.
A metal or ceramic ball that will replace the round head (top) of your thigh bone.
A metal stem that is attached to the shaft of the thigh bone to make the joint more stable.
You may receive general anesthesia before this surgery. This means you will be unconscious and unable to feel pain. You may have a spinal or epidural anesthesia. In this kind of anesthesia, medicine is put into you...
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