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Distal femoral resection at knee replacement - The effect of varying entry point and rotation on prosthesis position

Lookup NU author(s): Professor David Deehan, Professor Andrew McCaskie


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Malalignment may contribute to early prosthesis failure through point loading and pi emature polyethylene wear Femoral resection requires for distal planar resection contingent upon correct rotation and coronal alignment. Using a standard model, we have examined the influence of differing femoral entry points and rotations upon final femoral component positioning A graphical method and navigation system independently quantified the individual and combined impact of these variables. in 3 planes Nine permutations were assessed with reference to neutral rotation and a central entry point. The graphical results were corroborated by the navigation analyses We found that external rotation and a superolateral entry point introduced the greatest en or in final component positioning We have identified a safe envelope for femoral rod positioning and recommend that the rotational alignment is determined before distal bone resection (c) 2009 Elsevier BV All rights reserved

Publication metadata

Author(s): Gangadharan R, Deehan DJ, McCaskie AW

Publication type: Article

Publication status: Published

Journal: The Knee

Year: 2010

Volume: 17

Issue: 5

Pages: 345-349

ISSN (print): 0968-0160

ISSN (electronic): 1873-5800

Publisher: Elsevier


DOI: 10.1016/j.knee.2009.09.011


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