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Total hip revision surgery is necessary when a previous total hip replacement fails or becomes infected. Failure of the total hip replacement joint can be caused by severe trauma to the area (a fall), failure of cement, degeneration of bone, or persistent degenerative bone disease in the femur or pelvis.
The surgeon will remove all old components used in the previous surgery, remove any remaining cement or degenerating bone, and install new components. The surgeon may use cages or bone screws to secure the acetabular component in place, and prevent any future loosening. The surgeon will remove the old femoral component, cleaning out all cement and degenerating bone material, and install a new component. Sometimes, an Osteotomies is required. An Osteotomies is the removal of a portion of the femur (see anatomy section) to remove the old femoral component that will not come out by the use of traditional methods. Ones the new femoral component is installed, the section of the bone the Osteotomies was preformed on is put back in place, and secured with wire, allowing the bone to fuse back together.
If the need for a revision surgery comes up, check the doctors history of revision surgery. Revision surgery is much more complex than traditional total hip replacement, and should only be preformed by surgeons with successful experience in the field.