PMID: 8986566Dec 1, 1996Paper

Neglected congenital dislocation of the hip. Role of computed tomography and computer-aided design for total hip arthroplasty

The Journal of Arthroplasty
T A XenakisC Tatsis

Abstract

Computed tomography (CT) provides important three-dimensional anatomic details in congenital dislocation of the hip that are useful for total hip arthroplasty (THR) and are not obtainable with conventional radiographic evaluation. In this study, 84 patients (119 hips) with congenital dislocation of the hip were evaluated with CT before surgery. Specifically, both the acetabulum and the femur were analyzed to make the best selection of the prosthesis. The average anteversion of the acetabulum was 23 degrees, with an opening of 30.9 mm and a depth of 14.7 mm. The bone stock of the true acetabulum was calculated and the average available diameter for the acetabular implant was 44.9 mm. The CT topogram revealed the true leg-length discrepancy (average 0.5-1.9 cm), and the amount of a shortening osteotomy when necessary was determined. Finally, to determine the stem with optimum fit and fill, a three-dimensional reconstruction of the femoral canal using CT data and computer-aided design (CAD) was matched with a three-dimensional geometry of several stem designs and sizes obtained from a CAD system.

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Citations

Feb 16, 2013·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·George DigasGeorge Hartofilakidis
Jan 4, 2001·Computer Methods and Programs in Biomedicine·M Viceconti De Lollis A
Feb 7, 2001·Radiographics : a Review Publication of the Radiological Society of North America, Inc·F DammannM M Maassen
Oct 10, 2006·The Journal of Arthroplasty·Shunsaku NishiharaHideki Yoshikawa
Mar 4, 2005·Computer Aided Surgery : Official Journal of the International Society for Computer Aided Surgery·Dirk MalthanMarcus M Maassen
Dec 20, 2008·Journal of Shoulder and Elbow Surgery·Akira GotoKazuomi Sugamoto
Jan 1, 2008·The Journal of Arthroplasty·Panagiotis KoulouvarisTheodore Xenakis
Jun 9, 2006·Clinical Orthopaedics and Related Research·Takashi SakaiTakashi Nishii
Feb 13, 2004·The Journal of Bone and Joint Surgery. American Volume·George Hartofilakidis, Theofilos Karachalios
Jan 27, 2011·The Journal of Bone and Joint Surgery. American Volume·Pil Whan YoonHee Joong Kim
Sep 6, 2017·The Journal of Bone and Joint Surgery. American Volume·Yuhui YangZhongli Gao
Dec 31, 1997·Acta Orthopaedica Scandinavica. Supplementum·T XenakisP N Soucacos
May 12, 2001·Clinical Orthopaedics and Related Research·T A XenakisP N Soucacos
Jul 3, 2010·The Journal of Bone and Joint Surgery. British Volume·T Karachalios, G Hartofilakidis
May 1, 1998·The Journal of Bone and Joint Surgery. American Volume·G HartofilakidisT Karachalios
May 12, 2001·Clinical Orthopaedics and Related Research·A E Beris, P N Soucacos
Jun 7, 2008·The Journal of Arthroplasty·Panagiotis KoulouvarisTheodore Xenakis
May 14, 2011·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Yoshihide NakamuraSatoshi Toh

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