New hip implants appear to have no advantage over traditional implants, suggests a review of the evidence.
And some evidence shows that new implants may be associated with higher rates of revision surgery.
While hip replacement is a successful operation, substantial numbers of patients require revision surgery within 10 years to replace the implant because of infection, dislocation, wear, instability, loosening, or other mechanical failures.
Traditional hip implants with metal on polyethylene or ceramic on polyethylene bearing surfaces are associated with low revision rates. Newer alternatives with metal on metal or ceramic on ceramic bearings are available, but their advantage over traditional implants is still not clear.
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Tags: Orthopaedics
