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27 Απρ 2023 · The present systematic review investigated the concentration of chromium (Cr) and cobalt (Co) in serum in patients who have undergone total hip arthroplasty (THA).
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Widely different metal ion concentrations in blood and serum have been reported with metal-on-metal (MoM) implants. We reviewed the literature on blood and serum ion concentrations of chromium (Cr) and cobalt (Co) following various MoM hip arthroplasties.
Some of the metal ions (e.g. cobalt and chromium) from the metal implant or from the metal particles will enter the bloodstream. Orthopaedic surgeons take several precautions before and during...
A recent systematic review examining results from 9957 patients concluded that metal ion concentrations, particularly cobalt and chromium, are consistently higher than baseline following metal-on-metal hip replacement or resurfacing . In addition, patients with MoP or MoC hip replacements had significantly lower blood ion concentrations than ...
In the 1940s, the first MoM hip replacement surgery was performed with a large fixed head made of cobalt-chrome alloy. This gave rise to the first generation of MoM hip implant in 1966 with the McKee-Farrar total hip replacement (THR) prosthesis, and by 1996, more than 1 million MoM articulations have been implanted [ 3 ].
Repeated cobalt and chromium ion measurements in patients with large-diameter head metal-on-metal ReCap-M2A-Magnum total hip replacement
22 Φεβ 2013 · Stainless steel, cobalt–chromium–molybdenum (Co–Cr–Mo) alloy, titanium and titanium alloy are widely used in hip prostheses because of their high corrosion resistance and durability. 8, 9 Vitallium, tantalum, vanadium and zirconium are also used. 10.
