<unk>  is a surgical procedure in which the hip joint is replaced by a prosthetic implant, that is, a hip prosthesis.<unk>  surgery can be performed as a total<unk>  or a hemi (half)<unk> . Such joint<unk>  orthopaedic surgery is generally conducted to relieve arthritis pain or in some hip fractures. A total<unk>  (total hip arthroplasty or THA) consists of replacing both the acetabulum and the femoral head while hemiarthroplasty generally only replaces the femoral head.<unk>  is currently one of the most common orthopaedic operations, though patient satisfaction short- and long-term varies widely. Approximately 58% of total<unk> s are estimated to last 25 years. The average cost of a total<unk>  in 2012 was $40,364 in the United States, and about $7,700 to $12,000 in most European countries.
Hip replacement
Ankle replacement
Finger joint replacement
Hip resurfacing
Knee replacement
Shoulder replacement
Joint replacement
Femoral head ostectomy