Metal On Metal Hip Replacement Complications Mri

Check ups are a precautionary measure to reduce the small risk of complications and monitor patients who have had the devices implanted for a long time.

Metal on metal hip replacement complications mri.

Regional muscles and tendons were assessed for tendinosis tear atrophy and edema. Complications are many and can occur at various time intervals following the initial surgery. All artificial hip implants carry risks including wear of the component material. The fda has provided information for patients with a metal on metal hip implant.

Metal on metal mom hip implants have unique risks in addition to the general risks of all hip implants. These devices are made from a blend of several metals including chromium cobalt nickel titanium and molybdenum. Reports of patient reactions to these ions have spurred the fda to order the 21 makers of these devices to perform new. Common complications of hip replacement procedures are periprosthetic fractures implant loosening joint instability hardware failure infection.

These metal implants have been used in total hip replacement and hip resurfacing procedures. In metal on metal devices both the ball and socket components are made of metal. Ajr am j roentgenol 2012 199 4 884 893. Metal on metal hip replacements release metal ions into the bloodstream.

Some patients who had a hip replacement prior to may 18 2016 may have received a metal on metal hip implant. If there s damage to your hip then you ll need revision surgery in which the metal on metal implants will be removed and new ones inserted. The mri examinations of patients with metal on metal hip prostheses placed at resurfacing arthroplasty n 31 or tha n 29 were reviewed for osteolysis synovitis extracapsular disease synovial pattern and mode of decompression into adjacent bursae. In recent years information about the wear of certain metal on metal devices has raised concerns about their use.

In 2017 the medicines and healthcare products regulatory agency mhra published updated guidelines on monitoring patients with all types of metal on metal hip implants. Other causes of pain that can affect all types of hip replacement include loosening wear and infection. Metallosis is a type of metal poisoning that can occur as a side effect of joint replacement devices with metal components such as metal on metal hip replacements or other metal implants. Considered to be the most common indication for revision surgery 1 2 4.