Category Archives: Metal Ion Info

Metal Ion/ Metal Allergies Articles

Hip Resurfacing Information at Surfacehippy Posted on by

… Read the rest

Comparison of Metal Ion Levels of Hip Resurfacing versus Total Hip Replacement

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Read Study Here  –  August 2017 Forsthoefel CW , Brown NM , Barba MLMechanical wear at the articular surface and corrosive processes at modular junctions, such as the trunnion, are responsible for metal ions production. We retrospectively reviewed 64 patients who underwent THA with a metal on metal bearing surface and 34 patients with hip Resurfacing. Metal ion measurements, six-week post-op radiographs, and functional scores were included in the analysis. Cobalt ion levels were… Read the rest

Mr. McMinn Responds to MHRA Guidelines July 2017

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Read Original Article at McMinn Center

Response to Telegraph Article – News Feed Monday 3rd July 2017

In response to the recent Telegraph article, Mr McMinn would like to reassure all of his patients that nothing has changed in the outcomes of our hip resurfacing and total hip replacement patients. Our results do not show anything different, but the MHRA guidelines have changed, probably because of some reports of small diameter metal-on-metal total hip replacements. … Read the rest

Updated Guidelines To Monitor Metal on Metal Devices by UK’s MHRA 2017

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Original MEDICAL DEVICE ALERT by UK MHRA 2017 Available Here

The Medicines and Healthcare products Regulatory Agency (MHRA) UK has called for longer-term monitoring of all patients fitted with metal-on-metal hip implants, as a precautionary measure, in an update to its original guidance issued in 2012.

“MHRA, in colsultation with its independent Metal-on-Metal Expert Advisory Group (MoM EAG), has continued to monitor the performance of MoM hip joint articulations for the occurrence of soft tissue … Read the rest

Women More Sensitized than Men to Metal in Hip Replacement Medical Study

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Read Complete Study Here

Recent studies indicate that females demonstrate an increased risk of experiencing adverse local tissue reactions, aseptic loosening, and revision after primary metal-on-metal hip resurfacing arthroplasty compared with males; the underlying biological mechanisms responsible for sex discrepancies in implant failure remain unclear. In addition to anatomical and biomechanical sex differences, there may be inherent immunological disparities that predispose females to more aggressive adaptive immune reactivity to implant debris, i.e., metal sensitivity…

…The … Read the rest

Two4One 2 Years after my BHR Revisions I’m HEALED!!

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Read Two4One’s Full Story Here

September 15, 2016 – First, I want to correct that I had my last ceramic and titanium bilateral hip revisions (to a failed bilateral Birmingham Hip Resurfacing) completed in November 2014 – not Nov 2105.

Secondly, after an almost 2 year recovery, I can most happily report that both hips AND knees do not hurt!!  At most, my hips get stiff after prolonged use and I can’t squat as easily.  … Read the rest

Normal Levels of Cobalt and Chromium after Hip Resurfacing

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View Complete Study Here

Studies were searched for in the Medline database, Embase, and the Cochrane Database of Systematic Reviews. Highest mean or median ion concentrations of Cr and Co after a minimum of 1 year of follow-up were extracted and grouped according to sample- and articulation type, and average values were calculated…

…43 studies were included and 16 different MoM implants were identified. For the different types of bearings, average ion concentrations and range … Read the rest

New Blood Test Finds Allergies Before Surgery

Hip Resurfacing Information at Surfacehippy Posted on by
Published on May 16, 2013 A growing number of patients learn of nickel allergies to new hips & knees only after surgery is doneDENVER, CO – May 15, 2013- Imagine what Paula Spurlock must have been going through. Shortly after having a total hip replacement in 2011, the trouble started. “I had horrible itching, really bad migraines and intense pain throughout my body,” she said. “I couldn’t take it. Every single thing in me… Read the rest

McMinn About Metal on Metal Implants

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Derek McMinn addresses the recent Concerns about Hip Resurfacing and Metal on Metal (MoM) implants Interview by Vicky Marlow

 Original Link: http://vimeo.com/12418781

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 … Read the rest

Metal Ions Questions and Answers by Mr. McMinn of UK

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Metal Ions Questions & Answers Original information from McMinn Center Website below:

http://www.mcminncentre.co.uk/metal-ions-questions-answers.html

Earlier in 2011, the McMinn Centre team travelled to a meeting in Arizona and answered several questions about Metal-on-Metal (MoM) implants and issues to do with metal ions. The questions were posted by BHR users. For the benefit of the entire Hip Resurfacing community, the answers to those questions are provided below.

Patients concerned about the recent, negative ASR press coverage may … Read the rest

Peter Kay Response to Metal Ion Level Test

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Peter Kay Response to Metal Ion Level Test for MOM in UK after FDA update    1/2013I think overall, from the U.K. perspective, metal-on-metal has been a real problem. (For) most surgeons in the United Kingdom, our usage of metal-on-metal hip replacements has dwindled to almost nothing because we cannot really find any advantage. The patients do not do any better in terms of function. There is some evidence the patient’s reported pain levels are
… Read the rest

High Metal Ions, Pseudotumors, Metalosis & ALVAL

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Article by Patricia Walter and Hip Resurfacing  Surgeons

Patients and prospective patients are always concerned about the complications that could occur after a hip resurfacing surgery. The typical problems include femur neck fractures, dislocations, loose acetabular cups, improperly positioned acetabular cups, high metal ions, infections, pseudotumors, ALVAL and metalosis.

There has been a lot of discussion among patients on discussion groups about the high metal ion issue and pseudotumors.  I am not a doctor or … Read the rest

Allergy to Joint Replacements Koen De Smet, Pat Campbell

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Occasional reports of joint replacement implant failure because of an apparent allergy to one of the metals in the device have appeared in the orthopedic literature ever since metal implants were used. (1-3) It is now recognized that a small number of patients will suffer from a form of allergy or hypersensitivity to constituents of the metal-on-metal bearings even in the absence of high wear or a known metal sensitivity (4-6). The histological features of … Read the rest

Metal Ion Study with Triathlete

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Metal ion levels in a triathlete with a metal-on-metal resurfacing arthroplasty of the hipR. De Haan, MD, Orthopaedic Resident1; P. Campbell, PhD, Research Scientist, Associate Professor2; S. Reid, MD, PhD, Sports Medicine Physician3; A. K. Skipor, MS, Research Scientist4; and K. De Smet, MD, Orthopaedic Surgeon1 1 ANCA Medical Center, Krijgslaan 181, 9000 Gent, Belgium. 2 J Vernon Luck Snr MD, Orthopaedic Research Center, Orthopaedic
… Read the rest

Metal Allergy Discussion by Dr. Jacobs 2012

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Read more here:  http://www.orthosupersite.com/view.aspx?rid=92453

Although metal allergy with total joint replacement exists, the prevalence of this condition is unknown, according to Joshua J. Jacobs, MD.“Metal allergy [with] orthopedic implants has been well documented in isolated cases,” Jacobs said during his presentation at the American Academy of Orthopaedic Surgeons 2012 Annual Meeting/Orthopaedics Research Society symposium. “The true prevalence is unknown. Clinically significant symptomatologies seem to be rare in total knee replacements and metal-on-polyethylene total hip
… Read the rest

Cobalt And Chromium Ion Levels Patients with Hip Resurfacing Prosthesis

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Cobalt And Chromium Ion Levels In
Patients With a Metal On Metal Hip Resurfacing
Prosthesis

AAOS San Diego Convention Center, Sails Pavilion
2007
Adult Reconstruction Hip

Michael Dunbar, MD, PhD Halifax NS Canada (a)
G Yves Laflamme, MD ,FRCS Montreal QC Canada (a)
Paul E Beaule, MD Ottawa ON Canada (a,e)
Anna Conway, MSc (n)
Heather Hrushowy, BScN (n)
Paul R Kim, MD Ottawa ON Canada (a,e – Wright Medical
Technology)

Cobalt and chromium ion … Read the rest

Metal ion levels in the blood of patients after hip resurfacing

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August 2008

Antoniou J, Zukor DJ, Mwale F, Minarik W, Petit A, Huk OL. Lady Davis Institute for Medical Research, SMBD-Jewish General Hospital, 3755, Chemin de la Côte Ste-Catherine, Montréal, QC H3T 1E2, Canada. janton@orl.mcgill.ca

BACKGROUND: Metal ion toxicity, metal hypersensitivity, and metal carcinogenicity are causes for concern for patients with metal-on-metal hip replacements. Thus, understanding the biological fate of metal ions, and consequently their long-term systemic effects, is of great interest to patients and
… Read the rest