title: Complications of radial head prostheses.
abstract: Radial head prostheses are indicated for treatment of complex radial head fractures not amenable for fixation. After the initial experience with silastic implants, metallic or pyrocarbon arthroplasty have been used for 20 years. Little is known about complications related to these implants. Main complications are related to loosening whether they are cemented or not cemented. Hypotheses have been proposed like inadequate stem design, insufficient cement technique, stress shielding, and foreign body reactions secondary to polyethylene wear. Pain and stiffness are other common complications often related to oversized radial head component or overstuffing of the joint with excessive lengthening of the radius. Instability can be another complication in the context of more complex trauma with lateral collateral ligament complex lesion and coronoid fracture. Fixation of the coronoid fracture, reinsertion of the lateral collateral ligament complex, and the use of monobloc radial head prosthesis are recommended to stabilize the joint. Finally, osteoarthritis is common with follow-up.
authors: Orthopaedic and Traumatology Department, University Hospital of Toulouse Riquet Hospital, CHU Purpan, Place du Dr Baylac, 31059, Toulouse, France.
authors: Stéphanie
authors: S
authors: Delclaux
authors: Julie
authors: J
authors: Lebon
authors: Amélie
authors: A
authors: Faraud
authors: Julien
authors: J
authors: Toulemonde
authors: Nicolas
authors: N
authors: Bonnevialle
authors: Bertrand
authors: B
authors: Coulet
authors: Pierre
authors: P
authors: Mansat
mesh_terms: D004551:Elbow Joint / Q000601:surgery*; D058569:Elbow Prosthesis / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male; D010003:Osteoarthritis / Q000209:etiology / Q000601:surgery; D011183:Postoperative Complications / Q000209:etiology; D011884:Radius / Q000601:surgery*; D011885:Radius Fractures / Q000601:surgery*
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