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Erschienen in: Clinical Orthopaedics and Related Research® 9/2016

18.05.2016 | CORR Insights

CORR Insights®: Modular to Monoblock: Difficulties of Detaching the M2a-Magnum Head Are Common in Metal-on-metal Revisions

verfasst von: Rodrigo M. Mardones, MD

Erschienen in: Clinical Orthopaedics and Related Research® | Ausgabe 9/2016

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Excerpt

Corrosion following THA was once considered a small problem, consisting of only 1% to 2% of all THA complications [5]. However, corrosion is commonly found on metal-on-metal (MoM) large femoral heads, modular prostheses, and revision MoM implants [1, 4]. During revision, the prosthesis head must be detached from the stem. Some MoM implants, however, have a titanium interface as a head adapter. Both types of heads are susceptible to jamming due to corrosion, cold welding, and fretting. Jamming can potentially increase the already existing high-level of adverse reaction to MoM debris, leading up to 49% failure at 6 years on some MoM implants [4]. …
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Metadaten
Titel
CORR Insights®: Modular to Monoblock: Difficulties of Detaching the M2a-Magnum™ Head Are Common in Metal-on-metal Revisions
verfasst von
Rodrigo M. Mardones, MD
Publikationsdatum
18.05.2016
Verlag
Springer US
Erschienen in
Clinical Orthopaedics and Related Research® / Ausgabe 9/2016
Print ISSN: 0009-921X
Elektronische ISSN: 1528-1132
DOI
https://doi.org/10.1007/s11999-016-4876-2

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