Sierra, MD, discusses the importance of joint preservation for osteonecrosis of the femoral head. Although primary total hip arthroplasty may be a good option for any diagnosis, Sierra said ...

During the interval from 1991 through 1996, 23 hips in 18 patients (12 male and 6 female) with the diagnosis of AVN had arthroscopy of the hip with prospective follow-up at our institution.

Longer operating time was associated with revision due to infection. Smaller femoral head size was associated with revision due to dislocation. Conclusions This systematic review of literature ...