Sagittal plane kinematics of a mobile-bearing unicompartmental knee arthroplasty at 10 years: a comparative in vivo fluoroscopic analysis

A. J. Price, J. L. Rees, D. J. Beard, H. S. Gill, C. A. Dodd, D. M. Murray

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Abstract

This study compares in vivo sagittal plane kinematics of the Oxford mobile-bearing unicompartmental knee arthroplasty (UKA) at 1 and 10 years' postsurgery (10 knees) with a fixed-bearing total knee arthroplasty (TKA) (5 knees) and the normal knee (5 knees), using dynamic fluoroscopic measurement of the patellar tendon angle. The Oxford UKA preserved normal changes in patellar tendon angle with flexion, and this was maintained at 10 years. In contrast, an abnormal pattern was seen with the TKA. The results suggest that a normal pattern of sagittal plane knee kinematics exists following Oxford medial UKA and imply that anterior cruciate ligament function is maintained in the long term.
Original languageEnglish
Pages (from-to)590-597
Number of pages8
JournalJournal of Arthroplasty
Volume19
Issue number5
DOIs
Publication statusPublished - 2004

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Knee Replacement Arthroplasties
Biomechanical Phenomena
Knee
Patellar Ligament
Anterior Cruciate Ligament

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Sagittal plane kinematics of a mobile-bearing unicompartmental knee arthroplasty at 10 years: a comparative in vivo fluoroscopic analysis. / Price, A. J.; Rees, J. L.; Beard, D. J.; Gill, H. S.; Dodd, C. A.; Murray, D. M.

In: Journal of Arthroplasty, Vol. 19, No. 5, 2004, p. 590-597.

Research output: Contribution to journalArticle

Price, A. J. ; Rees, J. L. ; Beard, D. J. ; Gill, H. S. ; Dodd, C. A. ; Murray, D. M. / Sagittal plane kinematics of a mobile-bearing unicompartmental knee arthroplasty at 10 years: a comparative in vivo fluoroscopic analysis. In: Journal of Arthroplasty. 2004 ; Vol. 19, No. 5. pp. 590-597.
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