The use of structural distal femoral allografts for acetabular reconstruction. Surgical technique

The Journal of Bone and Joint Surgery. American Volume
Scott M SporerWayne G Paprosky

Abstract

Acetabular fixation during revision total hip arthroplasty in patients who have a nonsupportive superior dome and proximal migration of the acetabular component (a Paprosky Type-IIIa defect) cannot be achieved reliably with use of a hemispherical porouscoated component alone. The purposes of the present study were to determine the long-term results associated with the use of a porous-coated hemispherical acetabular component, supported with a distal femoral structural allograft, for revision at the site of a Type-IIIa defect and to determine if graft resorption leads to late failure. Thirty-one patients who had an acetabular reconstruction with use of a distal femoral allograft for the treatment of a Type-IIIa defect between January 1985 and December 1990 were followed annually with clinical and radiographic evaluations. At the time of the latest follow-up, eight patients had died and one patient had been lost to follow-up. One of the patients who died had had a clinical failure at 4.5 years postoperatively and was included in the analysis. Therefore, twenty-three patients, who had had an average age of sixty-one years at the time of the index procedure, were evaluated at an average of 10.3 years postoperatively. Five acetabula...Continue Reading

Citations

Jun 30, 2009·Operative Orthopädie und Traumatologie·Andreas HalderWolfram Neumann
Aug 31, 2006·Der Unfallchirurg·M Schieker, W Mutschler
Nov 18, 2011·Clinical Orthopaedics and Related Research·Daniel J Del GaizoWayne G Paprosky
Jan 15, 2009·Clinical Orthopaedics and Related Research·Pieter H J BullensPieter Buma
Sep 22, 2010·Clinical Orthopaedics and Related Research·Erik HansenMichael D Ries
Mar 16, 2007·The Journal of Bone and Joint Surgery. British Volume·E H van HaarenP I J M Wuisman
Apr 21, 2009·The Journal of Arthroplasty·Norman A JohansonCharles C Stehman

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