Metal On Metal Hip Replacement Complications Mri

Some patients who had a hip replacement prior to may 18 2016 may have received a metal on metal hip implant.

Metal on metal hip replacement complications mri.

The fda has provided information for patients with a metal on metal hip implant. Common complications of hip replacement procedures are periprosthetic fractures implant loosening joint instability hardware failure infection. 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. Metal on metal mom hip implants have unique risks in addition to the general risks of all hip implants.

Complications are many and can occur at various time intervals following the initial surgery. Reports of patient reactions to these ions have spurred the fda to order the 21 makers of these devices to perform new. These metal implants have been used in total hip replacement and hip resurfacing procedures. 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.

This may also involve fitting a femoral stem to fix the ball onto in a total hip replacement. Metal on metal hip replacements release metal ions into the bloodstream. Ajr am j roentgenol 2012 199 4 884 893. 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.

Other causes of pain that can affect all types of hip replacement include loosening wear and infection. Mri findings in painful metal on metal hip arthroplasty. 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. All artificial hip implants carry risks including wear of the component material.

These devices are made from a blend of several metals including chromium cobalt nickel titanium and molybdenum. 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. In recent years information about the wear of certain metal on metal devices has raised concerns about their use. Regional muscles and tendons were assessed for tendinosis tear atrophy and edema.