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Advances in Orthopedics
Volume 2011, Article ID 519254, 4 pages
http://dx.doi.org/10.4061/2011/519254
Case Report

Anterior Subluxation after Total Hip Replacement Confirmed by Radiographs: Report of Two Cases

1Maine Joint Replacement Institute, Portland, ME 04102, USA
2Orthopaedic Associates, 33 Sewall Street, Portland, ME 04104, USA
3Joint Replacement Center, Maine Medical Center, Portland, ME 04102, USA
4Division of Orthopaedics and Rehabilitation, College of Medicine, The University of Vermont, Burlington, VT 05405, USA

Received 23 January 2011; Accepted 15 March 2011

Academic Editor: Amos Race

Copyright © 2011 Conor P. McGrory and Brian J. McGrory. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Demonstrable anterior subluxation of the femoral head after a total hip arthroplasty is a rare complication and is usually transient. Both a case of recurrent subluxation and a case of chronic subluxation are described in this paper, each one presenting with unexpected femoral head eccentricity in the acetabulum on radiograph. We show how this unusual complication can be successfully identified and treated.