Loosening of joint replacement components is often multifactorial. The quality of initial fixation
is very important to the outcome of the arthroplasty and is often a factor in short-term and …

Background: Following the reintroduction of metal-on-metal articulating surfaces for total hip
arthroplasty in Europe in 1988, we developed a surface arthroplasty prosthetic system using …

Background Pseudotumor-like periprosthetic tissue reactions around metal-on-metal (MM)
hip replacements can cause pain and lead to revision surgery. The cause of these reactions …

There has been a resurgence of interest in the use of metal on metal bearings in total hip
arthroplasty. Although the use of metal on metal bearing couples would eliminate or …

Background: There are two main modes of failure of the femur following surface arthroplasty
of the hip: femoral neck fracture and aseptic loosening. The purpose of the present study …

… MD, FRCSC 2 ; Campbell, Pat PhD 3 … (Reprinted, with permission, from: Campbell P,
Beaulé P, Ebramzadeh E, Le Duff M, De Smet K, Lu Z, Amstutz HC. A study of implant …

MATERIALS AND METHODS One hundred forty specimens from four metal-on-metal surface
arthroplasty designs were submitted to our implant retrieval laboratory from 1997 to 2005. …

In an effort to augment the available grafting material as well as to increase spinal fusion rates,
the utilization of a demineralized bone matrix (DBM) as a graft extender or replacement is …

We describe 4 patients pooled from our patient populations who presented with groin pain
at different periods postoperatively after implantation of a metal-on-metal hip resurfacing. …

Patients who are young or active or both who require total joint replacement pose a unique
challenge; their high activity demands wear-resistant bearings that will perform for decades, …