Background Periprosthetic joint infection has been the leading cause of failure following TKA
surgery. The gold standard for infection control has been a two-staged revision TKA. There …

All wear-measurement techniques assess femoral head penetration and therefore cannot
distinguish between true polyethylene wear and bedding-in. Multiple wear measurements that …

Tensile testing to failure was done on 235 cortical specimens that had been machined from
forty-seven femora from human cadavera. The donors had ranged in age from twenty to 102 …

Background: Postoperative analgesia with the use of parenteral opioids or epidural analgesia
can be associated with troublesome side effects. Good perioperative analgesia facilitates …

Background: Obesity has been associated with a greater burden of symptomatic knee
osteoarthritis. There is some evidence that patients with a very high body mass index (BMI) may …

Background TKA and unicompartmental knee arthroplasty (UKA) are both utilized to treat
unicompartmental knee arthrosis. While some surgeons assume UKA provides better function …

Compressive testing to failure in the weight-bearing axis was done on 255 specimens of
cancellous bone that had been machined from forty-four femora from human cadavera. The …

Background: Highly cross-linked polyethylene was introduced for clinical use in total hip
arthroplasty with the expectation that it would exhibit less wear when compared with …

Zirconia femoral heads provide increased fracture strength, but 343 zirconia head failures
have been documented since 2000. Retrieval analysis of 6 fractured heads, 4 suspect heads, …

Background Patient-controlled analgesia is a widely used and effective method of controlling
pain after THA. This method is associated with substantial undesirable side effects. Local …