Role of an Anterior Flange on Cortical Strains Through the Distal Humerus After Total Elbow Arthroplasty With a Latitude Implant

Quenneville, Cheryl E.; Austman, Rebecca L.; King, Graham J.W.; Johnson, James A.; Dunning, Cynthia E.

doi:10.1016/j.jhsa.2008.02.020

Cited by 26 publications

(14 citation statements)

References 13 publications

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“…sind luxationsgesichert und haben eine zusätzliche ventrale Abstützung für den Fall der unzureichenden Abstützung an den Kondylen (Quenneville et al 2008), obwohl der Wert der ventralen Abstützung biomechanisch nicht geklärt ist. 5.50a, b), die sich in einer übermäßigen Achslaxität bis hin zu manifesten Achsschäden selbst bei stärker dimensionierten Buchsen der Coonrad-Morrey-Prothese manifestierten .…”

Section: Ergebnisseunclassified

“…Damit minimieren sich die Kräfte auf das Implantatlager, was sich in reduzierten Lockerungsraten bei mittelfristiger Beobachtung auf 6-10 % dokumentierte (Quenneville et al 2008;Scheier 1975). Damit minimieren sich die Kräfte auf das Implantatlager, was sich in reduzierten Lockerungsraten bei mittelfristiger Beobachtung auf 6-10 % dokumentierte (Quenneville et al 2008;Scheier 1975).…”

Section: Ergebnisseunclassified

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AE-Manual der Endoprothetik

Rüther¹,

Simmen²

2013

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Section: Ergebnisseunclassified

AE-Manual der Endoprothetik

Rüther¹,

Simmen²

2013

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“…The humeral component is porous-coated distally and presents an anterior flange, which increases the rotational stability of the implant and neutralizes the extension forces transmitted to the implant interface. The benefit of an anterior flange has been investigated for other implants as well [2]. The ulnar component has a plasma-spray metallic coating in its proximal third.…”

Section: Materials and Designsmentioning

confidence: 99%

Total Elbow Arthroplasty

Sánchez-Sotelo¹

2011

TOORTHJ

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Total elbow arthroplasty has continued to evolve over time. Elbow implants may be linked or unlinked. Unlinked implants are attractive for patients with relatively well preserved bone stock and ligaments, but many favor linked implants, since they prevent instability and allow replacement for a wider spectrum of indications. Inflammatory arthropathies such as rheumatoid arthritis represent the classic indication for elbow arthroplasty. Indications have been expanded to include posttraumatic osteoarthritis, acute distal humerus fractures, distal humerus nonunions and reconstruction after tumor resection. Elbow arthroplasty is very successful in terms of pain relief, motion and function. However, its complication rate remains higher than arthroplasty of other joints. The overall success rate is best for patients with inflammatory arthritis and elderly patients with acute distal humerus fractures, worse for patients with posttraumatic osteoarthritis. The most common complications of elbow arthroplasty include infection, loosening, wear, triceps weakness and ulnar neuropathy. When revision surgery becomes necessary, bone augmentation techniques provide a reasonable outcome.

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“…The triangular prosthesis within a triangular distal humeral canal is thought to provide the theoretical advantage of rotational stability (Fig. 17 Testing of the load transfer in the distal humerus after the insertion of a humeral component with an anterior flange with no graft, with cancellous graft, and with bone cement demonstrated no significant differences in cortical strains with the 3 different flange grafts. (b) Custom made triflange outrigger ulnar components have been introduced because it has been recognized that torsional forces are a significant mode of failure of the ulnar component in patients with absent humeral epicondyles and additional risk factors for accelerated bushing wear.…”

Section: Historical Perspectivementioning

confidence: 99%

“…3). 17 A possible explanation is that, at time 0 after a revision or primary TEA and during the early postoperative period, the rotational control of the humeral component is problematic because time is required for formation of bone around the flange and the cancellous allograft has not been incorporated to the native humerus. 16 (c) Some humeral components have also an extramedullary flange on their distal portion to resist posterior displacement and torsional stresses by inserting FIGURE 2.…”

Section: Historical Perspectivementioning

confidence: 99%

Intramedullary Fibular and Impaction Allografting in Revision Total Elbow Arthroplasty With Endosteal Deficiency

Papadonikolakis

McKenna

Warme

et al. 2012

Techniques in Hand &Amp; Upper Extremity Surgery

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One of the many reasons for failed revision elbow replacement is loss of the normally irregular shape of the endosteal surface leading to reduced ability to provide rotational control of the humeral or ulnar component within the intramedullary canal. The endosteal bone loss of the distal humerus or proximal ulna compromises the rotational stability of the stem in the intramedullary canal. In these cases, impaction cancellous allografting techniques, similar to the ones used in revision total hip arthroplasties, are commonly used to address the osseous deficiency, but these methods are not optimal for providing rotational control of the prosthetic stem. We describe a technique of restoring the irregular shape of the endosteal bone using intramedullary fibular allografting to enhance the rotational control of the prosthetic stem within the intramedullary bone canal.

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Role of an Anterior Flange on Cortical Strains Through the Distal Humerus After Total Elbow Arthroplasty With a Latitude Implant

Cited by 26 publications

References 13 publications

AE-Manual der Endoprothetik

AE-Manual der Endoprothetik

Total Elbow Arthroplasty

Intramedullary Fibular and Impaction Allografting in Revision Total Elbow Arthroplasty With Endosteal Deficiency

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