Metal On Metal Hip Replacement Blood Test

Reference values differ from levels observed in serum testing.

Metal on metal hip replacement blood test.

Whole blood cobalt and chromium testing can be used to monitor levels in people with metal hip replacements but has limited availability in new zealand. Metallosis is a blood poisoning condition that develops when there are high levels of toxic metals in the blood. Metal on metal implants use a similar design to standard hip replacements but the surfaces of both the ball and the socket are made of metal. Metal on metal mom hip implants have unique risks in addition to the general risks of all hip implants.

Fda panel june 29 2012. Patients who have metal on metal implants should be monitored regularly for the life of the implant and have tests to measure levels of metal particles ions in their blood. Those diagnostic tools include x rays blood tests testing for infection ultrasound. It is reputed to occur when metal particles shed from metal hip implants or other joint replacement devices are released into the bloodstream and tissue surrounding the implant.

Surgeons use a common set of symptoms and test results to find out if a mom hip is causing internal damage. Metal on metal hip replacements. The tga review of that advice which included referral to an external group of experts found that the. On 29 june 2017 the uk medicines and healthcare products regulatory agency s mhra published updated advice regarding metal on metal mom hip replacement implants.

These metal surfaces are highly polished and smooth. Metal on metal hip replacements have been done for many years but became more popular over this past decade. Reports of patient reactions to these ions have spurred the fda to order the 21 makers of these devices to perform new. Metal on metal hips require regular blood tests imaging.

Metal on metal hip replacements release metal ions into the bloodstream. Some physicians may not suggest this type of bloodwork if you don t have any symptoms. Patients with these types of implant who have symptoms may be investigated with mri or ultrasound scans and patients without symptoms should have a scan if the level of. Metal on metal hip implants popular in the early 2000 s are known to shed metal debris and cause massive soft tissue and muscle damage in patients.

Update 14 july 2017 metal on metal hip replacement implants 20 september 2012 update. But critics of metal hip replacement systems note that those results may not be available for another decade.