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Validation of the femoral anteversion measurement method used in imageless navigation
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Turley, Glen A., Ahmed, Shahbaz M. Y., Williams, M. A. (Mark A.) and Griffin, Damian R. (2012) Validation of the femoral anteversion measurement method used in imageless navigation. Computer Aided Surgery, Vol.17 (No.4). pp. 187-197. doi:10.3109/10929088.2012.690230
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WRAP_Turley_femoral_anteversion.pdf - Submitted Version Download (780Kb) | Preview |
Official URL: http://dx.doi.org/10.3109/10929088.2012.690230
Abstract
Total hip arthroplasty restores lost mobility to patients suffering from osteoarthritis and acute trauma. In recent years, navigated surgery has been used to control prosthetic component placement. Furthermore, there has been increasing research on what constitutes correct placement. This has resulted in the definition of a safe-zone for acetabular cup orientation. However, there is less definition with regard to femoral anteversion and how it should be measured. This study assesses the validity of the femoral anteversion measurement method used in imageless navigation, with particular attention to how the neutral rotation of the femur is defined. CT and gait analysis methodologies are used to validate the reference which defines this neutral rotation, i.e., the ankle epicondyle piriformis (AEP) plane. The findings of this study indicate that the posterior condylar axis is a reliable reference for defining the neutral rotation of the femur. In imageless navigation, when these landmarks are not accessible, the AEP plane provides a useful surrogate to the condylar axis, providing a reliable baseline for femoral anteversion measurement.
| Item Type: | Journal Article | ||||
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| Subjects: | R Medicine > RC Internal medicine R Medicine > RD Surgery T Technology > TA Engineering (General). Civil engineering (General) |
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| Divisions: | Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) Faculty of Medicine > Warwick Medical School |
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| Library of Congress Subject Headings (LCSH): | Total hip replacement -- Methodology, Computer-assisted surgery | ||||
| Journal or Publication Title: | Computer Aided Surgery | ||||
| Publisher: | Informa Healthcare | ||||
| ISSN: | 1092-9088 | ||||
| Official Date: | 8 June 2012 | ||||
| Dates: |
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| Volume: | Vol.17 | ||||
| Number: | No.4 | ||||
| Number of Pages: | 11 | ||||
| Page Range: | pp. 187-197 | ||||
| DOI: | 10.3109/10929088.2012.690230 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access | ||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), Nikon Metrology (Firm), University of Warwick, University of Birmingham |
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