In this procedure the acetabulum is rotated to a more normal position in relation to the femoral head, and puts it deeper into the socket by breaking it into three pieces. The new position is stabilized with a plate and bone screws. If a TPO is done on the second leg, it is usually done 3-6 weeks later. THR THR is currently the best available treatment for severe hip dysplasia in large dogs. Therefore, it is the treatment of choice for dogs used for working or sporting activities or when optimal hip function is desired.
Most owners report the dog's personality improves because the pain is gone.
Most dogs resume normal level of activity within 2 months after surgery. Total Hip replacement involves removing the ball and the socket portions of the hip joint and replacing them with artificial ones. The femoral head is cut off. The inside of the femur is drilled out and reamed with a tapered reamer, then finish filed and broached. The femoral stem is test-fitted and then cemented in place.