Diagnosis and management of METS-Stanmore Morse taper failure - 01/11/23
, François Gouin c, Jean-Camille Mattei d, Sébastien Raux e, Alexandre Hardy a, f, David Biau a
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Abstract |
We describe clinical semiology in 6 cases of METS-Stanmore distal femoral Morse taper impaction failure: from obvious forms with intraprosthetic dislocation to chronic forms with less obvious symptoms: instability, piston sensation, rotational disorder in gait. The diagnostic procedure in chronic forms is described, notably with dynamic examination under fluoroscopy. Reduction and re-impaction by external maneuver can be attempted; in case of failure or of any suspicion of taper disassembly, the 2 modular implant components have to be replaced. Finally, we provide a review of the literature on this rare but serious complication.
Level of evidence |
IV.
Le texte complet de cet article est disponible en PDF.Keywords : Knee reconstruction, Megaprosthesis, Modular knee prosthesis, Morse taper disassembly
Plan
Vol 109 - N° 7
Article 103659- novembre 2023 Retour au numéro
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