What Causes Hip Replacement Failure?
Metal-on-metal hip implants are prone to breakage caused by the friction of their metallic parts rubbing against each other. This design defect leads to wear which results in debris being discharged in the joint. These tiny metal particles can contaminate a patient’s bloodstream and cause tissue necrosis, a condition known as metallosis and referred to commonly as metal toxicity.
Symptoms of a Defective Hip Replacement
According to the FDA, side effects or symptoms of metal toxicity include:
- Hip, leg, or groin pain
- Swelling around the hip joint
- Impaired kidney function
- Hearing or vision impairments
- Skin rashes
- Grinding, squeaking, and popping sounds from the hip joint
- Thyroid problems, including general discomfort, fatigue, and weight gain
- Feelings of depression
- Cardiomyopathy, which is a condition that weakens and enlarges the heart muscle