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Related Experiment Videos

Which primary total hip replacement?

D W Murray1, A J Carr, C J Bulstrode

  • 1Nuffield Department of Orthopaedic Surgery, Nuffield Orthopaedic Centre, Headington, Oxford, UK.

The Journal of Bone and Joint Surgery. British Volume
|July 1, 1995
PubMed
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The UK market offers 62 total hip replacement (THR) implants, but most lack published results. Newer, expensive THR designs are not proven superior to established ones.

Area of Science:

  • Orthopedic surgery
  • Biomaterials science
  • Medical device regulation

Background:

  • The total hip replacement (THR) market features a large and growing number of implant options.
  • Many contemporary THR implants are introduced with limited supporting clinical evidence.
  • A significant number of THR implants lack published data in peer-reviewed journals.

Purpose of the Study:

  • To provide comparative information on all primary total hip replacement (THR) implants available in the UK.
  • To assess the availability of scientific evidence supporting the efficacy of different THR implants.
  • To inform surgeons in selecting appropriate THR devices.

Main Methods:

  • Identification of all primary total hip replacement (THR) implants marketed in the UK.

Related Experiment Videos

  • Manufacturer and company data collection for each identified THR implant.
  • Literature search for published peer-reviewed results for each THR implant.
  • Price range analysis for available THR implants.

    • Main Results:

    • 62 distinct primary total hip replacement (THR) implants from 19 manufacturers were identified in the UK.
    • Half of the THR implants were introduced within the last five years.
    • Only 30% of THR implants have published results in peer-reviewed journals.
    • Prices varied significantly, from £250 to £2000, with lower-cost options showing longer follow-up data.

    Conclusions:

    • The increasing number of total hip replacement (THR) implants is not matched by a corresponding increase in scientific evidence.
    • There is insufficient evidence to support claims that newer, more expensive THR implants offer superior outcomes.
    • Recommendations are made for prioritizing THR implants with robust, long-term clinical trial data.