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Other conditions, such as rheumatoid arthritis (a chronic inflammatory disease that causes joint pain, stiffness, and swelling), avascular necrosis (loss of bone caused by insufficient blood supply), injury, and bone tumors also may lead to breakdown of the hip joint and the need for hip replacement surgery.
Most Common Causes for Knee Replacement. 1  Arthritis: Arthritis is a wearing away of the surfaces (articular cartilage) of the joint, caused either by aging or disease. 2  Osteonecrosis: If the blood supply to the thighbone is decreased, part of the bone will die and break from weight-bearing activity.