What do we know about taper corrosion in total hip arthroplasty?

What do we know about taper corrosion in total hip arthroplasty?

The Journal of arthroplasty (2014-03-25)

J J Jacobs, H J Cooper, R M Urban, R L Wixson, C J Della Valle

ABSTRAKT

Mechanically assisted crevice corrosion (MACC) at metal/metal modular junctions in which at least one of the components is fabricated from cobalt-chromium alloy, has reemerged as a potential clinically significant complication in total hip arthroplasty. The clinical manifestation of MACC may include the development of an adverse local tissue reaction (ALTR), similar to what has been described in association with metal-on-metal bearing total hip and resurfacing arthroplasty. The clinical presentation of MACC-associated ALTRs may include pain and possibly late recurrent dislocations. Abnormal metal artifact reduction sequence magnetic resonance images and elevated serum metal levels (cobalt elevations out of proportion to chromium elevations) can be helpful in the diagnosis of these MACC-associated ALTRs.

MATERIAŁY

Numer produktu

Marka

Opis produktu

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