Hip Arthroplasty
A 52-year-old active male construction worker is undergoing primary total hip arthroplasty for osteoarthritis. He wants to return to high-demand activities including recreational sports. The surgeon is discussing bearing surface options, considering his age, activity level, and need for long-term durability. Regarding bearing surfaces in total hip arthroplasty:
Mark each as TRUE or FALSE
Highly cross-linked polyethylene (XLPE) has significantly reduced wear rates compared to conventiona...
Metal-on-metal (MoM) bearings produce cobalt and chromium ions and metal particles; adverse local ti...
Conventional polyethylene has lower wear than XLPE; cross-linking weakens polyethylene; metal-on-met...
Ceramic-on-ceramic (CoC) bearings offer the lowest wear rates and are biologically inert with no sys...
Larger femoral head sizes (36mm and above) reduce dislocation risk but increase volumetric wear with...
Answer the questions to see explanations
Click T (True) or F (False) for each option