A comparison between imageless navigated and manual freehand technique acetabular cup placement in total hip arthroplasty

Hohmann, Erik, Bryant, Adam and Tetsworth, Kevin (2011) A comparison between imageless navigated and manual freehand technique acetabular cup placement in total hip arthroplasty. The Journal of Arthroplasty, 26 7: 1078-1082.

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Author Hohmann, Erik
Bryant, Adam
Tetsworth, Kevin
Title A comparison between imageless navigated and manual freehand technique acetabular cup placement in total hip arthroplasty
Journal name The Journal of Arthroplasty   Check publisher's open access policy
ISSN 1078-1082
Publication date 2011-10-20
Sub-type Article (original research)
DOI 10.1016/j.arth.2010.11.009
Volume 26
Issue 7
Start page 1078
End page 1082
Total pages 5
Place of publication Rosemont, IL, United States
Publisher Churchill Livingstone
Collection year 2012
Language eng
Formatted abstract The purpose of this study was to compare acetabular component positioning using an
imageless system to a matched control group using conventional techniques. Thirty procedures
were performed using navigation. A multislice computed tomographic scan was used to assess cup
position. There was no significant difference between mean inclination (P = .11) and anteversion
(P = .24) but a statistical significant difference for mean deviation from the desired position for
inclination (P = .003) and anteversion (P = .007). There was a significant difference in the
percentages of correctly placed cups with inclination (P = .046) and with anteversion (P = .006).
Combining both anteversion and inclination, there was a significant difference (P = .01). We
demonstrated a significant increase in accuracy of placement of acetabular cups within the desired
position and safe zone using imageless navigation.
Keyword Hip arthroplasty
Imageless navigation
Cup placement
Freehand technique
CT measurements
Case-control study
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Medicine Publications
 
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Created: Wed, 10 Aug 2011, 15:31:22 EST by Chesne McGrath on behalf of Medicine - Royal Brisbane and Women's Hospital