The management of severe acetabular bone defects in revision hip arthroplasty using modular porous metal components

The Journal of Bone and Joint Surgery. British Volume
K LingarajN Bergman

Abstract

We investigated the early results of modular porous metal components used in 23 acetabular reconstructions associated with major bone loss. The series included seven men and 15 women with a mean age of 67 years (38 to 81), who had undergone a mean of two previous revisions (1 to 7). Based on Paprosky's classification, there were 17 type 3A and six type 3B defects. Pelvic discontinuity was noted in one case. Augments were used in 21 hips to support the shell and an acetabular component-cage construct was implanted in one case. At a mean follow-up of 41 months (24 to 62), 22 components remained well fixed. Two patients required rerevision of the liners for prosthetic joint instability. Clinically, the mean Harris Hip Score improved from 43.0 pre-operatively (14 to 86) to 75.7 post-operatively (53 to 100). The mean pre-operative Merle d'Aubigné score was 8.2 (3 to 15) and improved to a mean of 13.7 (11 to 18) post-operatively. These short-term results suggest that modular porous metal components are a viable option in the reconstruction of Paprosky type 3 acetabular defects. More data are needed to determine whether the system yields greater long-term success than more traditional methods, such as reconstruction cages and structur...Continue Reading

References

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Citations

Nov 2, 2013·International Orthopaedics·Samik BanerjeeMichael A Mont
Nov 18, 2011·Clinical Orthopaedics and Related Research·Daniel J Del GaizoWayne G Paprosky
Feb 3, 2015·The Journal of Arthroplasty·Guido GrappioloVincenzo Denaro
Aug 1, 2015·Revista Brasileira De Ortopedia·Victor Magalhães CalladoEmílio Henrique Carvalho de Almendra Freitas
May 31, 2013·The Journal of Arthroplasty·Nicholas A BeckmannRudi G Bitsch
May 26, 2009·The Journal of Arthroplasty·Glenn D WeraScott M Sporer
Feb 6, 2007·The Journal of Arthroplasty·Mordechai KligmanTimothy M Wright
Sep 10, 2015·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Michael C Wyatt
Jun 30, 2018·The Bone & Joint Journal·K K EachempatiN P Sheth
Oct 6, 2010·Clinical Orthopaedics and Related Research·E Scott PaxtonJohn C Clohisy
Jan 8, 2013·Clinical Orthopaedics and Related Research·Adolph V LombardiMichael A Sneller
Sep 29, 2017·Hip & Pelvis·Young-Ho Kim
Nov 5, 2013·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Sameer JainPeter V Giannoudis
Dec 3, 2011·The Journal of the American Academy of Orthopaedic Surgeons·Megan A Swanson, Michael H Huo
Nov 6, 2013·The Bone & Joint Journal·M AbolghasemianA E Gross
Mar 1, 2012·Revista Brasileira De Ortopedia·Carlos Roberto SchwartsmannLeandro de Freitas Spinelli
Nov 5, 2020·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Michael-Alexander MalahiasPeter K Sculco
Jan 1, 2021·HSS Journal : the Musculoskeletal Journal of Hospital for Special Surgery·Christopher M MelnicWayne G Paprosky
Apr 9, 2020·Orthopaedics & Traumatology, Surgery & Research : OTSR·Samir-Pierre IssaPhilippe Anract
Jul 3, 2013·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Kathryn GillA John Timperley

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