From: Analysis of bearing wear, whole blood and synovial fluid metal ion concentrations and histopathological findings in patients with failed ASR hip resurfacings
Metal ion
Whole blood
Range
Synovial fluid
Chromium
9.7
0.5–93.9
701
7.0–52360
Cobalt
15.4
0.7–224.7
281.5
27.0–14870