Author Topic: McMinn Responds to current MOM THR negative articles 2/29/2012  (Read 4526 times)

0 Members and 1 Guest are viewing this topic.

Pat Walter

  • Patricia Walter
  • Administrator
  • Hero Member
  • *****
  • Posts: 3789
  • Owner/Webmaster of Surface Hippy
    • Surface Hippy about Hip Resurfacing
Response to new MHRA Guidelines on MoM Total Hip Replacements
Wednesday 29th February 2012

There have been several press reports regarding the new MHRA (Medicines and Healthcare products Regulatory Agency) guidelines on metal-on-metal (MoM) hip replacements. We have had a number of enquiries from concerned patients. We have also been receiving calls and emails from patients who have enjoyed excellent quality of life following their BHRs - in some cases, performed over 10 years ago. These patients are understandably very angry that BBC Newsnight, amongst others, has produced such a biased, one-sided story leaving hundreds of people unnecessarily "terrified of poisoning, cancer, yearly blood tests and possible surgery to remove the metal hip," as one of our patients puts it.

The Newsnight report from 28.02.12 and the updated MHRA Alert relate specifically to large diameter MoM total hip replacements (THRs). These types of THRs sometimes suffer failure at the “taper junction” - between the femoral head (ball) and the stem of the implant. As a result of taper failure, metal ions are released causing adverse reactions in certain patients. Most modern THRs including those manufactured from metal, ceramic and polyethylene, have taper junctions. Metal release is not specific to MoM THRs, however and has been reported from taper junctions in all types of THRs including ceramic and polyethylene types also.

Birmingham Hip Resurfacing (BHR) Patients

The BHR does NOT have any taper junction and is therefore completely free of metal release from taper problems. If you have had a BHR, you are at no risk of taper wear and metal release from taper junctions. The BHR is a MoM joint, but the metal release from well-implanted BHRs is very low. The McMinn Centre continues to follow-up cohorts of patients in several ongoing longitudinal metal ion studies and we find no cause for concern either locally, in the region of the joint, or systemically. The MHRA does not recommend routine metal ion testing or imaging for asymptomatic patients with BHRs.

MoM Modular Total Hip Patients

Mr McMinn does not use MoM THRs unless absolutely necessary. Some patients are however, most suitable for a metal-on-metal THR due to their specific clinical circumstances. In such patients, Mr McMinn sometimes finds it necessary to use a BHR-type cup and modular head on a Smith and Nephew titanium total hip stem. He has not seen any taper junction problems in his series of MoM hip replacements. Analysis of the NJR’s (National Joint Register of England and Wales) data shows that the BHR type modular THRs performed with Smith and Nephew titanium stems have good results. In Mr McMinn's own series of MoM THRs, the success rate is 99% at 5 years and 98% at 10 years.

For further reassurance, please find below some related links you may be interested to read.

• The McMinn Research Team’s detailed response to list of questions on metal-on-metal implants & metal ions provided by hip resurfacing users here
• A debate in which Mr McMinn compares the BHR to the now recalled ASR resurfacing device here http://www.mcminncentre.co.uk/research-lectures-debate.html
• A three-part video interview in which Mr McMinn addresses the negative comments about MoM hips here
• The McMinn Centre’s response to a Channel 4 documentary on metal-on-metal hip replacements here
• An interview with a patient who's had his well-functioning metal-on-metal hip resurfacing for 20 years herehttp://www.mcminncentre.co.uk/mitchell-hill-metal-on-metal-hip-resurfacing.html
Please also see the new MHRA guidelines here

If patients have any further concerns and would like to speak to a member of our team about this matter, please call us on 0121 455 0411.
« Last Edit: December 11, 2012, 10:02:46 PM by Pat Walter »
Webmaster/Owner of Surface Hippy
3/15/06 LBHR De Smet


  • Hero Member
  • *****
  • Posts: 3891
Re: McMinn Responds to current MOM THR negative articles 2/29/2012
« Reply #1 on: March 02, 2012, 08:59:56 PM »
Good response. Nice to have him there.
Hernan, LHR 8/24/2010, RHR 11/29/2010 - Cormet, Dr. Snyder


  • Guest
Re: McMinn Responds to current MOM THR negative articles 2/29/2012
« Reply #2 on: March 03, 2012, 02:34:21 AM »

Even the MOM THR stats aren't too bad, 98% at 10 years. I wonder why he doesn't use something more bone-conserving though, where BHR is not possible?


  • Jr. Member
  • **
  • Posts: 73
Re: McMinn Responds to current MOM THR negative articles 2/29/2012
« Reply #3 on: March 09, 2012, 01:11:51 AM »


Mission Statement
Surface Hippy presents information about hip resurfacing. It does not provide medical advice.
It is designed to support, not to replace, the relationship between patient and clinician.
Advertising - Revenue from this site is derived from commercial advertising and individual donations. Any advertisement is distinguished by the word "advertisement"
Privacy - Surface Hippy does not share email addresses or personal information with any group or organization.
Content - Surface Hippy is not controlled or influenced by any medical companies, doctors or hospitals.
All content is controlled by Patricia Walter - Joint Health Sites LLC © 2005 - 2018 Web design by Patricia Walter.

Hip Talk Moderation


The Hip Talk Discussion Group or forum is moderated on a Daily basis by Patricia Walter.

The moderator and forum members are not regarded as health professionals. 


The information provided on this forum is designed to support, not replace, the direct relationship between patients and health professionals. 


We remind you that this forum is public and any message can be read, used, reproduced and cited by all. 
You do have the option to delete your messages. However, under exceptional circumstances, you can contact the moderator to do so. Thus, please take care regarding the information that you post. 


The moderator and members should conduct themselves at all times with respect and honesty. 

By using our forums, you agree to post information that is true and correct to the best of your knowledge and is of your personal experience. If the information you post is not personal experience, we request you to provide sources (references, links, etc..) whenever it is relevant and possible. 

You are not allowed to post advertisements, whether in the form of text links or banners, for example. 

Please keep your comments positive and polite. If you have a disagreement with another forum member, moderator or the site owner; please use the the private message feature of this forum or email the member. We try to avoid emotional conflicts on the discussion group and we will do so by removing posts and banning those that cause problems.

The moderator reserves the right to delete any messages deemed inappropriate without notifying the author. In cases of abuse, the moderator reserve the right to ban a member of the forum. In both instances, an explanation will be provided if user requests.

Recent Posts

Re: Blurry vision post-op by rday12
June 29, 2020, 10:45:58 PM

Re: Blurry vision post-op by Pat Walter
June 29, 2020, 04:36:07 PM

Blurry vision post-op by PaulBridgwater
June 29, 2020, 02:41:11 PM

Re: 6 days post op how much swelling? by PaulBridgwater
June 29, 2020, 02:32:21 PM



This website is certified by Health On the Net Foundation. Click to verify. This site complies with the HONcode standard for trustworthy health information:
verify here.

Donate Thru Pay Pal

Surface Hippy Gear

HTML ezBlock

View My Stats

Powered by EzPortal