Wednesday, June 3, 2009

Arthritis with Total Hip Replacement Surgery

What is Arthritis




Arthritis is a group of conditions involving damage to the of the body. Arthritis is the leading cause of disability in people older than fifty-five years.


Total Hip Replacement Surgery


A total hip replacement is a surgical procedure whereby the diseased cartilage and bone of the hip joint is surgically replaced with artificial materials. The normal hip joint is a ball and socket joint. The socket is a "cup-shaped" bone of the pelvis called the acetabulum. The ball is the head of the thigh bone (femur). Total hip joint replacement involves surgical removal of the diseased ball and socket and replacing them with a metal ball and stem inserted into the femur bone and an artificial plastic cup socket. The metallic artificial ball and stem are referred to as the "prosthesis." Upon inserting the prosthesis into the central core of the femur, it is fixed with a bony cement called methylmethacrylate. Alternatively, a "cementless" prosthesis is used which has microscopic pores that allow bony ingrowth from the normal femur into the prosthesis stem. This "cementless" hip is felt to have a longer duration and is considered especially for younger patients.



Steps involved in Arthritis with Total Hip Replacement surgery

* The arthrithic femoral head is removed to prepare for the placemnt of prosthetic hip
* The aceabulum is prepared for the prosthesis
* These acetabular components is secured with help of multiple screws.
* Femur prepared for the prosthesis
* the femural component is placed into femur(thigh bone)
* The prosthetic hip is in place,completing the total hip replacemnt.


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