Analysis of tibial component rotation following total knee arthroplasty using 3D high definition computed tomography

Glade E. Roper, Adam D. Bloemke, Catherine C. Roberts, Mark J. Spangehl, Henry D. Clarke

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Malrotation of the tibial component is associated with poor outcomes after total knee arthroplasty, yet the definition and evaluation of this problem remain controversial. Contributing factors to this controversy include inconsistent and cumbersome methods for measuring rotation, based upon transposed measurements from multiple computed tomography images. We developed and tested the reliability of a new, simple method for measuring tibial component rotation based upon a single, three-dimensional high definition, axial computed tomography image. Sixty individual knees after total knee arthroplasty were evaluated. The intra-reliability and inter-reliability both exceeded 0.9 whether the tibial component was made of titanium, cobalt-chrome or all-polyethylene. Based upon these findings we suggest that this technique be used for evaluating tibial component rotation in future studies.

Original languageEnglish (US)
Pages (from-to)106-111
Number of pages6
JournalJournal of Arthroplasty
Volume28
Issue number8 SUPPL
DOIs
StatePublished - Sep 2013

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Knee Replacement Arthroplasties
Tomography
Polyethylene
Cobalt
Titanium
Knee

Keywords

  • Computed tomography
  • Rotational mal-alignment
  • Tibial anatomy
  • Total knee arthroplasty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

Cite this

Analysis of tibial component rotation following total knee arthroplasty using 3D high definition computed tomography. / Roper, Glade E.; Bloemke, Adam D.; Roberts, Catherine C.; Spangehl, Mark J.; Clarke, Henry D.

In: Journal of Arthroplasty, Vol. 28, No. 8 SUPPL, 09.2013, p. 106-111.

Research output: Contribution to journalArticle

Roper, Glade E. ; Bloemke, Adam D. ; Roberts, Catherine C. ; Spangehl, Mark J. ; Clarke, Henry D. / Analysis of tibial component rotation following total knee arthroplasty using 3D high definition computed tomography. In: Journal of Arthroplasty. 2013 ; Vol. 28, No. 8 SUPPL. pp. 106-111.
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