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Extreme Cobalt Toxicity: Bearing the Brunt of a Failed Ceramic Liner: A Case Report
Jamie Griffiths1, Alison Colvin1, Piers Yates1
1Trauma and Orthopaedic Department, Fremantle Hospital, Alma Street, Fremantle, Perth, WA 6160, Australia. jgriffiths@doctors.org.uk. agcolvin16@gmail.com. piersyates@hotmail.com. danmeyerkort@hotmail.com. ghprosser@yahoo.com.
Case:
We present a case of systemic cobalt toxicity secondary to third-body wear of a cobalt-chromium (CoCr) femoral head following revision of a fractured ceramic bearing. Removal of the CoCr head was followed by resolution of much of the systemic symptoms.
Conclusion:
This case supports previous reports of cobalt toxicity secondary to catastrophic third-body wear of a CoCr femoral head following a fractured ceramic bearing. It also demonstrates the potential reversibility of many systemic sequelae associated with cobalt toxicity. To our knowledge, this case represents the highest documented blood cobalt level (45,840 nmol/L).
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