Research Related to Metal on Metal Hip Replacements
  • Women Possibly At Higher Risk for Medical Device Failures?

    “Are women more likely to be harmed by medical device failures?” By: Ben Hallman https://www.icij.org/blog/2018/12/are-women-more-likely-to-be-harmed-by-medical-device-failures/ For the last year, the International Consortium of Investigative Journalists has been investigating the medical device industry around the world. …Read More »
  • Victims & Medical Professionals Not Warned of Product Failures

    Article link: https://www.icij.org/investigations/implant-files/hidden-dangers-patients-doctors-not-informed-of-defective-implants/ Article title: Hidden Dangers: patients, doctors not informed of defective implants By Spencer Woodman This article begins with the story of Vijay Vojhala, an Indian man who received a Johnson & Johnson metal-on-metal …Read More »
  • European Lobbying Impeded on Safety of Medical Devices

    Article Link: https://www.icij.org/investigations/implant-files/how-lobbying-blocked-european-safety-checks-for-dangerous-medical-implants/ Article Title: How lobbying blocked European safety checks for dangerous medical implants By Simon Bowers In recent years, there have been two major attempts to increase safety regulations for medical implants in …Read More »
  • Victim Hope Fluctuating

    Article Link: https://www.icij.org/investigations/implant-files/patient-hopes-rise-and-fall-as-an-industry-balances-progress-and-profit/ Article Title: Patient Hopes Rise and Fall as An Industry Balances Progress and Profit By Dean Starkman and Delphine Reuter The article starts with a description of a 2008 sales meeting for …Read More »
  • Medical Devices Cause Unexpected Issues in Patients

    Article link: https://www.icij.org/investigations/implant-files/medical-devices-harm-patients-worldwide-as-governments-fail-on-safety/ Article Title: Medical Devices Harm Patients Worldwide as Governments Fail on Safety By ICIJ This article is the result of an extensive study involving over 250 journalists across 36 countries. The investigation …Read More »
  • Defective Medical Device Victims Speak Out

    Article Link: https://www.icij.org/investigations/implant-files/patients-fight-for-answers-as-broken-implants-cause-unseen-agony/ Article title: Patients Fight For Answers as Broken Implants Cause Unseen Agony. By: Spencer Woodman This article highlights the heartbreaking stories of patients around the world who received faulty medical device implants. …Read More »
  • Higher Wear Rates for Biomet Hips than Other MoM Hips

    Title: Explant Analysis of the Biomet Magnum/ReCap metal-on-metal hip joint Abstract Metal-on-Metal (MoM) hip resurfacing implants and MoM total hip arthroplasty (THA) implants have recently been questioned by the medical community because of their high …Read More »
  • Biomet M2a Magnum Hip is Hard to Revise

    Title: Modular to Monoblock: Difficulties of Detaching the M2a-Magnum Head Are Common in Metal on Metal Revisions Where Are We Now? Metal-on-Metal total hip arthroplasty (MoM THA) implants consist of many metal parts that rub …Read More »
  • Study: Biomet M2a Magnum Heads Greatly Increase Risks

    Title: Modular to Monoblock: Difficulties of Detaching the M2a-Magnum Head Are Common in Metal-on-metal Revisions Abstract Metal-on-Metal total hip arthroplasty (MoM THA) implants are made up of a variety of components. One common component is …Read More »
  • Study: Metal Hips Cause Higher Metal Ion Levels than Resurfacing

    Title: Higher Blood Cobalt and Chromium Levels in Patients with unilateral metal-on-metal total hip arthroplasties compared to hip resurfacing Abstract High cobalt and chromium levels in the blood are known to cause negative side-effects in patients …Read More »
  • ~9% Chance of Pseudotumors 5 Years After Biomet Magnum M2a Hip

    Title: A 5-year survival analysis of 160 Biomet Magnum M2a metal-on-metal total hip prostheses Abstract Large-head metal-on-metal (MoM) total hip arthroplasties (THA), or hip implants, have high failure rates. This study looks at the conditions …Read More »
  • Monitor for Cobalt Chromium Levels and Pseudotumors Very Early On

    Title: Clinical and Wear Analyses of 9 Large Metal-on-Metal Total Hip Prostheses Abstract All patients in this study had the Biomet Magnum (M2a-Magnum™) hip implant with a Recap cup and Taperloc (Taperloc1 Hip Stem) or …Read More »
  • Metal Hips Cause Levels 26x Cobalt Increase and 15x Chromium Increase

    Title: The Effect of Different Bearing Surfaces on Metal Ion Levels in Urine Following 28mm Metal-on-Metal and 28mm Metal-on-Polyethylene Total Hip Arthroplasty Abstract Total hip arthroplasty (THA), or hip replacement surgery, is known to increase …Read More »
  • Metal on Metal Hips Linked to Early Onset Dementia and Depression

    Title: “Neuropsychiatric symptoms following metal-on-metal implant failure with cobalt and chromium toxicity” Abstract Many metal-on-metal (MoM) total hip replacement implants have been recalled due to high failure rates. This study assesses the mental health of …Read More »
  • Pseudotumor in a Patient with a Biomet Hip Implant

    Research Title: Pseudotumor in Large-Diameter Metal-on-Metal Total Hip Articulation Abstract This case study focuses on a patient who experienced pain in her hip following a large-diameter metal-on-metal (MoM) hip replacement. She also developed a pseudotumor, …Read More »
  • Vision Loss from Cobalt Poisoning of the Eye from MoM Hip Replacement

    Title: Cobalt-Chromium Metallosis With Normal Electroretinogram Background: The popularity of Metal-on-Metal (MoM) hip implants, which are typically made out of cobalt and chromium, has made cobalt poisoning of the eye more common. This condition is …Read More »
  • Check for Metal Hip Issues if Patient has Cobalt-Related Heart Concern

    Title: Unusual Case of Congestive Heart Failure:  Cardiac Magnetic Resonance Imaging and Histopathologic Findings in Cobalt Cardiomyopathy Summary A 69-year-old woman came to the authors with symptoms of congestive heart failure, a heart condition that …Read More »
  • Cobalt Toxicity from Metal Hip Causes Vision Damage

    Title: Hip ­Implant Related Chorio-­Retinal Cobalt Toxicity Abstract A 39-year-old female with high levels of cobalt in her blood (a side-effect of her two hip implants) came to the doctors with complaints that her left …Read More »
  • Biomet Magnum Hips and Heart Problems from High Cobalt Ion Levels

    Research Title: Progressive Cardiomyopathy in a Patient with Elevated Cobalt Ion Levels and Bilateral Metal-on-Metal Hip Arthroplasties Abstract: Cobalt poisoning, which is also referred to as cobalt toxicity or cobalt disease, is caused by excessive …Read More »
  • Adverse Reaction to Metal Debris from Biomet Metal Hip Arthroplasty

    Research Title: Adverse Reaction to Metal Debris after ReCap-M2A-Magnum Large-Diameter Head Metal on Metal Total Hip Arthroplasty Background and Purpose: Adverse reaction to metal debris (ARMD) is a type of implant failure that can occur …Read More »
  • Blood Tests to Diagnose Tissue Death from Metal Hip Problems

    Research Title: Adverse Local Tissue Reaction After a Metal-on-Metal Total Hip Prosthesis Without Elevated Serum Metal Ion Levels Background Recent studies show a correlation between high cobalt and chromium levels and failed metal on metal …Read More »
  • Adverse Reaction to Metal Debris After ReCap-M2A-Magnum Metal Hip

    Mokka, J., Junnila, M., Seppanen, M., Virolainen, P., Polonen, T., Vahlberg, T., Mattila, K., Tuominen, E.K.J., Rantakokko, J., Aarimaa, V., Kukkonen, J., Makela, K.T., Acta Orthopaedica 2013; 84(6): 549-554. ABSTRACT: Background and purpose The clinical …Read More »
  • High Chance of Pseudotumors After Large-Diameter Metal Hip Replacement

    Abstract: Peri-articular soft-tissue masses or ‘pseudotumors’ can occur after large-diameter metal-on-metal (MoM) resurfacing of the hip and conventional total hip replacement (THR). Our aim was to assess the incidence of pseudotumor formation and to identify …Read More »
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