Internationally renowned hip and knee surgeon and designer
and pioneer of the Birmingham Hip Resurfacing, Derek McMinn addresses concerns
about Hip Resurfacing and Metal on Metal (MoM) implants
Derek McMinn has done over 6000 total hip surgeries and over 3,500 MoM Hip
Resurfacings. His 10 year survivorship for the BHR (Birmingham Hip
Resurfacing)in a series of 3095 performed up until December 2009 is 97% from all
patients. His first metal/metal resurfacing prototype was implanted in 1991, and
the current design, the first BHR was implanted in July 1997 and has not changed
in any way since then.
In Part 1, Mr. McMinn discusses the
history of the BHR device and talks about the reasons for
the majority of the negative outcomes. Pseudo tumors, Device
designs, surgeon skill, importance of component positioning
are discussed.
In Part 2, Mr. McMinn discusses the
design behind the BHR device, ideal patient selection and
outcomes for Hip Resurfacing. Avascular Necrosis (AVN),
Dysplasia, Age and Gender are discussed as well as Pseudo
Tumors and the importance of surgical accuracy. Surprisingly
unlike what we have read, Mr. McMinn discusses his outcomes
and the fact that he actually has had better results in
OLDER age groups. In men OVER the age of 60, at 12 1/2 years
a 99% success rate, and men under the age of 60, have had a
98% success rate. Also women over the age of 60 have had
better results at 97% implant survival at 12 1/2 years than
younger women at a lower percent survival. Mr McMinn
explains what he has discovered as the reasons why and talks
about what activities some of his patients have returned to.
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