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novel tools and devices that are able to turn reconstruction of complex acetabular deficienciesinto a reliable procedure.REFERENCESGelaude F., Clijmans T., Broos P.L., Lauwers B. and Vander Sloten J. (2007a)., Computeraidedplanning of reconstructive surgery of the innominate bone: automated correctionproposals. Comput Aided Surg., Sep;12(5):286-94.Kruth J.-P., Mercelis P., Van Vaerenbergh J., Froyen L. and Rombouts M. (2005),Bindingmechanisms in selective laser sintering and selective laser melting. Rapid Prototyping Journal,Vol. 11(1), pp. 26-36.Paprosky W.G., O'Rourke M. and Sporer S.M. (2005), The treatment of acetabular bondedefects with an associated pelvic discontinuity. Clin Orthop Relat Res., No. 441, pp. 216-220.Saturday, October 9, 2010, 9:00-9:30Session B17: Novel techniques in ArthroplastyUse of Cemented Metaphyseal Sleeves in Revision TKR With AORI Type 2and 3 Bone Loss*Prashant Deshmane - Lenox Hill Hospital - New York, USAAjit Deshmukh - Lenox Hill Hospital - New York, USKelly Stets - Lenox Hill Hospital - New York, USAMathew Hepinstall - Lenox Hill hospital - New York, USAAmar Ranawat - Lenox Hill Hospital - New York, USAJose Rodriguez - Lenox Hill Hospital - New York, USA*Email: prashantdeshmane@yahoo.comIntroduction: Fixation remains a challenge in Revision TKR. Irregular and cavitary bone lossmay precludeproper metaphyseal cementation and pressurization. Metaphyseal sleeves havebeen proposed to improve theinherent rotational stability of the implant bone interface. The goalof this study was to assess the effect of the use of metaphyseal sleeves on the quality of thecement fixation achieved.Methods: Fifty consecutive revision TKRs for AORI type 2 and 3 bone loss between January2005 through January 2008 with average 2 years follow up were assessed retrospectively.Twelve patients were excluded for inadequate follow up. Nineteen patients with 26 cementedmetaphyseal sleeves (15 tibiae and 11 femora) formed group 1 and 19 patients with 36 revisioncomponents (without metaphyseal sleeves) served as control (group 2). Patients were assessedclinically with knee society scores (KSS) and radiographically by quality of metaphysealcement mantle and radiolucent lines(RLL). Groups were matched for pre-op bone loss andfile:///E|/ISTA2010-Abstracts.htm[12/7/2011 3:15:47 PM]