Metal ion levels in a triathlete with a metal-on-metal resurfacing arthroplasty of the hip
Roel De HaanANCA Medical Center, Krijgslaan 181, 9000 Gent, BelgiumPat CampbellJ Vernon Luck Snr MD, Orthopaedic Research Center, Orthopaedic Hospital, 2400 S., Flower Street, UCLA, Los Angeles 90007, California, USASean D. ReidSt. Helen’s Private Hospital, 186, Macquarie Street, Hobart, Tasmania 7000, AustraliaAnastasia K. SkiporDepartment of Orthopaedic Surgery, Rush Presbyterian St Luke’s, Medical Center, Room 756, Cohn Research Building, 1735 West Harrison Street, Chicago, Illinois 60612-3833, USAK. De SmetANCA Medical Center, Krijgslaan 181, 9000 Gent, Belgium
ABI
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A prospective study of serum and urinary ion levels was undertaken in a triathlete who had undergone a metal-on-metal resurfacing arthroplasty of the hip four years previously. The one month study period included the final two weeks of training, the day of the triathlon, and the two weeks immediately post-race. Serum cobalt and chromium levels did not vary significantly throughout this period, including levels recorded on the day after the 11-hour triathlon. Urinary excretion of chromium increased immediately after the race and had returned to pre-race levels six days later. The clinical implications are discussed.
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