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https://hdl.handle.net/2440/22683
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dc.contributor.author | Keene, G. | - |
dc.contributor.author | Simpson, D. | - |
dc.contributor.author | Kalairajah, Y. | - |
dc.date.issued | 2006 | - |
dc.identifier.citation | Journal of Bone and Joint Surgery: British Volume, 2006; 88B(1):44-48 | - |
dc.identifier.issn | 0301-620X | - |
dc.identifier.issn | 2044-5377 | - |
dc.identifier.uri | http://hdl.handle.net/2440/22683 | - |
dc.description.abstract | Twenty patients underwent simultaneous bilateral medial unicompartmental knee arthroplasty. Pre-operative hip-knee-ankle alignment and valgus stress radiographs were used to plan the desired post-operative alignment of the limb in accordance with established principles for unicompartmental arthroplasty. In each patient the planned alignment was the same for both knees. Overall, the mean planned post-operative alignment was to 2.3° of varus (0° to 5°). The side and starting order of surgery were randomised, using conventional instrumentation for one knee and computer-assisted surgery for the opposite side. The mean variation between the pre-operative plan and the achieved correction in the navigated and the non-navigated limb was 0.9° (sd 1.1; 0° to 4°) and 2.8° (sd 1.4; 1° to 7°), respectively. Using the Wilcoxon signed rank test, we found the difference in variation statistically significant (p < 0.001). Assessment of lower limb alignment in the non-navigated group revealed that 12 (60%) were within ± 2° of the pre-operative plan, compared to 17 (87%) of the navigated cases. Computer-assisted surgery significantly improves the post-operative alignment of medial unicompartmental knee arthroplasty compared to conventional techniques in patients undergoing bilateral simultaneous arthroplasty. Improved alignment after arthroplasty is associated with better function and increased longevity. | - |
dc.language.iso | en | - |
dc.publisher | British Editorial Soc Bone Joint Surgery | - |
dc.rights | © 2006 British Editorial Society of Bone and Joint Surgery | - |
dc.source.uri | http://dx.doi.org/10.1302/0301-620x.88b1.16266 | - |
dc.subject | Ankle Joint | - |
dc.subject | Hip Joint | - |
dc.subject | Knee Joint | - |
dc.subject | Humans | - |
dc.subject | Bone Malalignment | - |
dc.subject | Osteoarthritis, Knee | - |
dc.subject | Radiography | - |
dc.subject | Treatment Outcome | - |
dc.subject | Preoperative Care | - |
dc.subject | Surgery, Computer-Assisted | - |
dc.subject | Arthroplasty, Replacement, Knee | - |
dc.subject | Prospective Studies | - |
dc.subject | Aged | - |
dc.subject | Middle Aged | - |
dc.subject | Female | - |
dc.subject | Male | - |
dc.title | Limb alignment in computer-assisted minimally-invasive unicompartmental knee replacement | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1302/0301-620X.88B1.16266 | - |
pubs.publication-status | Published | - |
Appears in Collections: | Aurora harvest 2 Centre for Automotive Safety Research publications |
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