Total hip replacements are usually performed for severe arthritic conditions. The operation is sometimes performed for other problems such as hip fractures or aseptic necrosis (a condition in which the bone of the hip ball dies). Most patients who have artificial hips are over 55 years of age, but the operation is occasionally performed on younger persons.
Circumstances vary, but generally patients are considered for total hip replacements if
Pain is severe enough to restrict not only work and recreation, but also the ordinary activities of daily living.
Pain is not relieved by arthritis (anti-inflammatory) medicine, the use of a cane, and restricting activities.
Significant stiffness of the hip.
X-rays show advanced arthritis, or other problems.