The biggest improvement in hip replacement surgery involves
the implant materials. Polyethylene has become more wear resistant.
Manufacturers are using antioxidant additives to try to prevent premature
breakdown of the implant material. There are also improved metal surfaces to
increase the chance of good bony ingrowth to the implants, decreasing the risk
of failure during loosening, particularly in revision surgery where the host
bone may not be as good. Many surgeons are now switching to ceramic hip implant
materials because metal ones can corrode and can cause pain and failure of hip
replacements. Also, many have adopted a technique called direct anterior hip
replacement, which is a muscle-sparing approach that reduces recovery time and
potentially decreases dislocation rates. However, the benefits are still being
Studied.
Other advancements involve improvements in spinal anesthesia, which is allowing patients to recover much faster with fewer complications.
Today, computer navigation and a robot-assisted hip replacement are being done to attempt to improve the accuracy of bony cuts and implant position. Early-stage research is also being done to determine if an antibiotic coating on implants may help reduce the risk of infection.
Today, computer navigation and a robot-assisted hip replacement are being done to attempt to improve the accuracy of bony cuts and implant position. Early-stage research is also being done to determine if an antibiotic coating on implants may help reduce the risk of infection.
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