ONLINE ONLY: Intraoperative dislocation of a trial femoral head into the pelvis during total hip arthroplasty

So-called "mini-incision" approaches for total hip arthroplasty have become popular over the past few years.1-3 However, the shorter incision leads to higher soft-tissue tension, increasing the chances for dislocation.

We describe the case of a woman who underwent total hip arthroplasty by a minimally invasive variation of a common arthroplasty procedure and suffered dislocation of the femoral component from the acetabulum into the pelvis.

Case report

A 76-year-old woman underwent a total hip arthroplasty for osteoarthritis under general anesthesia and positioned in a lateral decubitus position. A minimally invasive modification of the Watson- Jones approach as …