A biomechanical analysis of polyethylene liner cementation into a fixed metal acetabular shell

The Journal of Bone and Joint Surgery. American Volume
Geoffrey F HaftJohn J Callaghan

Abstract

A common clinical scenario encountered by an orthopaedic surgeon is a patient with a secure cementless acetabular shell and a failed polyethylene liner. One treatment option is to cement a new liner into the fixed shell. The purpose of this study was to evaluate technical variables to improve the mechanical strength of such cemented liner constructs. The contributions of shell texturing, liner texturing, and cement mantle thickness (between the liner and the shell) were evaluated by comparing torsional strength (among nine groups of constructs) and lever-out strength (among eight groups of constructs). Failure almost always occurred at the cement-liner interface. The two exceptions (failure at the shell-cement interface) occurred with a polished, untextured shell with no screw-holes. This finding indicates that if a shell has existing texturing (such as holes), further intraoperative scoring of the shell is unnecessary, but some sort of texturing is necessary to avoid construct failure at the shell-cement interface. Textured liners had significantly (a = 0.05) greater torsional and lever-out strength than untextured liners. The greatest construct strength occurred when liner grooves were oriented so as to oppose the applied loa...Continue Reading

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Citations

Sep 3, 2010·Journal of Orthopaedic Surgery·Harpal S KhanujaMichael A Mont
Jan 22, 2013·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Julien WegrzynKai-Nan An
Mar 16, 2017·The Journal of the American Academy of Orthopaedic Surgeons·David William WalmsleyEmil H Schemitsch
Jul 18, 2020·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Ahmed K EmaraShammodip Roy
Aug 21, 2020·The Journal of Bone and Joint Surgery. American Volume·Nicholas A BedardMatthew P Abdel
Apr 13, 2012·Orthopedics·Tomonori ShigemuraYoshitadah Arada
Sep 16, 2010·Orthopedics·Edwin P Su
Apr 5, 2019·The Journal of Bone and Joint Surgery. American Volume·Timothy S BrownMatthew P Abdel
Oct 7, 2004·The Journal of Bone and Joint Surgery. American Volume·John J CallaghanDevon D Goetz
Sep 16, 2009·Orthopedics·John J CallaghanNathan M Schularick
Mar 18, 2010·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Caroline M BlakeyRichard E Field
May 5, 2006·Clinical Orthopaedics and Related Research·Javad ParviziWilliam J Hozack
Oct 12, 2019·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Jesús MoretaJosé L Martínez-de Los Mozos
Sep 13, 2006·Clinical Orthopaedics and Related Research·Leo A Whiteside, Brian Katerberg
Feb 7, 2017·Hip International : the Journal of Clinical and Experimental Research on Hip Pathology and Therapy·Matthias C M KlotzRudi G Bitsch
Jan 14, 2017·Der Orthopäde·P WeberV Jansson
Jun 5, 2015·The Journal of Bone and Joint Surgery. American Volume·Timothy L TanHarlan C Amstutz
Mar 19, 2009·Orthopedics·Sathappan S SathappanPaul E Di Cesare

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