Dementia and Metal on Metal Hip Replacements

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Dementia and Metal on Metal Hip Replacements

Metal on Metal, or MoM, hip replacements cause high levels of metal ions, like cobalt and chromium, to be released into a patient’s body.  This occurs due to the cup and ball of the implant rubbing together, which in turn releases metal ions into the bloodstream.  As a result, elevated metal ions in the body have many negative side effects like heart failure, vision loss, hearing loss, and dementia.

The term “dementia” does not specifically refer to a disease.  Instead, it is a general term that describes the loss of memory and other mental abilities.  A doctor will diagnose a patient with dementia if two or more brain functions appear to be impaired, like memory and judgement (alz.org).

Research involving Dementia and Metal on Metal Hips

One study follows 9 patients who have DePuy ASR metal on metal hip replacements.  Cobalt and chromium levels in their blood were tracked after receiving the implant.  Additionally, patients were also monitored for medical issues known to be reactions to metal ions in the blood.  In the end, 7 out of the 9 patients showed signs of early onset dementia (Green et al).

The Bleeding Edge

The recently released Netflix documentary The Bleeding Edge features an orthopedic doctor who had a DePuy ASR metal on metal hip replacement, which was marketed towards people who lead active lifestyles. Within months of receiving the replacement, he started noticing weird symptoms that included confusion and repeating himself when speaking.  These are both signs of dementia.

The symptoms got so bad that he experienced a mental breakdown while at a medical conference.  Doctors searched for answers to what could cause this vast change in the doctor’s health.  When tests looking for metal ions in his body returned, the levels showed 100 times higher than normal.

Diagnosing Dementia

There’s no single test to diagnose dementia.  Instead, it is diagnosed after doctors speak with their patients about symptoms, check medical histories and performs lab tests.

If you show signs of dementia and have a metal on metal hip replacement, it may be evidence that you are experiencing negative reactions to high metal ion levels in your body.

Symptoms of Dementia

  • Difficulty remembering recent conversations
  • Difficulty remembering names or events
  • General forgetfulness and short-term memory loss
  • Depression
  • Impaired Social Skills
  • Tendency to repeat oneself
  • Inability to go through daily functions
  • Inability to complete simple tasks

Risk Factors

  • Smoking
  • High Blood Pressure (Hypertension)
  • Diabetes
  • High Cholesterol
  • Obesity
  • Lack of physical activity
  • Alcoholism
  • Low levels of formal education
  • Depression
  • Head injuries
  • Family history of Alzheimer’s
Sources

http://alzheimer.ca/en/Home/About-dementia/Alzheimer-s-disease/Risk-factors

https://www.alz.org/what-is-dementia.asp

“Neuropsychiatric symptoms following metal-on-metal implant failure with cobalt and chromium toxicity” – Ben Green et al 2017

The Bleeding Edge documentary.

Metal on Metal Hip Replacement Lawsuits Dementia and Metal on Metal Hip Replacements