National Joint Registry 12th Annual Report 2015

Reports | Published: 15 Sep 2015

Equal focus on revision surgery required if patients are to continue to benefit

While first-time hip and knee replacement operations continue to be hugely successful, when joint replacements require further work (revision or ‘re-do’ surgery) the outlook is not as comparable, the NJR’s 12th Annual Report found.

Now publishing more than a decade of results, the latest report emphasises that for first-time surgery:

  • overall life of implants meet national standards, with 95%+ lasting ten or more years
  • hip and knee brands offer comparable results and are demonstrating a low risk of revision
  • patient factors have a significant bearing on how long the implant will last, with younger patients reporting higher revision rates than their older counterparts

Data from nearly 2 million procedures are now registered on the NJR with considerable growth expected now that elbow and shoulder replacement data collection is underway (since April 2012) and both Northern Ireland and the Isle of Man have joined the NJR (from February 2013 and July 2015 respectively).

New for 2015 however, the analysis includes very early results on the relative success of revision surgery. The data confirms that the outcome for the patient is poorer than the first-time surgery – the risk of the implant failing within ten years is much higher than when a first-time implant is replaced.

Download the NJR 12th Annual Report

Or find out more at the NJR’s dedicated report website at

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National Joint Registry 12th Annual Report 2015