Influence of avascular necrosis of the femoral head on hip prosthesis integration: a radiological analysis.

Background: Avascular osteonecrosis of the femoral head (AVN) often results in total hip arthroplasty (THA). The cause for increased THA revision rates among patients with AVN is not yet fully understood.

Purpose: To perform a comparative radiological analysis of implant integration between patients with AVN and osteoarthritis (OA).