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Metal on metal hip resurfacing using the BHR, Cormet 2000, or Conserve Plus devices does not meet CTAF criteria 3-5 for safety, efficacy and improvement in health outcomes for patients as an alternative to total hip arthroplasty.

www.ctaf.org/UserFiles/File/2011 Oct/Metal_on_Metal_Hip_Resurfacing_100611.pdf.

CONCLUSION

The 2007 CTAF assessment stated that “It is not possible to conclude from the current peer reviewed literature that the currently approved hip resurfacing systems in the United States improve health outcomes comparably with the current standard of care, total hip arthroplasty”.

In 2010, when CTAF reviewed this topic, several questions which were of concern during the 2007 assessment remained  and we reiterate them here:  What is the long term durability of the resurfaced hip compared with THA? What will be the short and long term results when this generation of younger patients who have undergone hip resurfacing are eventually converted to THA? Will there be unforeseen long term complications that will make this revision more problematic than anticipated? What are the long term health consequences of increased low levels of circulating metal ions produced by MoM hip resurfacing?

Now at the time of this assessment, the same questions remain unanswered. Particularly in light of the  registry evidence showing an increased revision rate with  HRA compared with THA and increasing concerns about elevated metal ion levels, it is incumbent upon the hip resurfacing community to prove the efficacy and safety of MoM hip resurfacing in randomized clinical trials, rather than subjecting young patients to significant potential harm over their lifetimes.

DRAFT RECOMMENDATION

It is recommended that metal on metal hip resurfacing using the BHR, Cormet 2000, or Conserve Plus devices does not meet CTAF criteria 3-5 for safety, efficacy and improvement in health outcomes for patients as an alternative to total hip arthroplasty.

Download full report here: CTAF REPORT Metal on Metal Hip Resurfacing as an Alternative to Total Hip – Metal_on_Metal_Hip_Resurfacing_100611

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