Reference values differ from levels observed in serum testing.
Metal on metal hip replacement blood test.
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 ions in their blood is rising.
Those who develop pain or complications should have blood tests annually to test for signs of metal blood poisoning the panel recommends.
Test for detecting these metal ions in people with metal on metal hip replacements.
Blood metal ion thresholds to identify patients with metal on metal hip implants at risk of adverse reactions to metal debris.
The fda suggests metal ion blood testing for hip patients should be used in combination with other tests like ct scans mars mris and ultrasound.
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.
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.
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.
The journal of bone and joint surgery 2017.