THA Implants
A 55-year-old active man is undergoing primary total hip arthroplasty for osteoarthritis. He works as a tradesman and wishes to return to moderate activity levels. The surgeon is discussing bearing surface options with him, including metal-on-polyethylene, ceramic-on-polyethylene, and ceramic-on-ceramic. Regarding bearing surfaces in total hip arthroplasty:
Mark each as TRUE or FALSE
Cross-linked polyethylene (XLPE) has significantly reduced wear rates compared to conventional polye...
Ceramic-on-ceramic has the lowest wear rate of all bearing couples but risks include squeaking (1-5%...
Metal-on-metal bearings are currently the preferred choice for young active patients; ceramic fractu...
Metal-on-metal bearings have largely been abandoned for THA due to adverse local tissue reactions (A...
Femoral head size affects bearing performance: larger heads (36mm) reduce dislocation risk, improve ...
Answer the questions to see explanations
Click T (True) or F (False) for each option