In this section
@article{Garner:2021:10.1016/j.arth.2021.06.025,
author = {Garner, A and Dandridge, O and Amis, A and Cobb, J and van, Arkel R},
doi = {10.1016/j.arth.2021.06.025},
journal = {The Journal of Arthroplasty},
pages = {3765--3772.e4},
title = {Partial and combined partial knee arthroplasty: greater anterior-posterior stability than posterior-cruciate retaining total knee arthroplasty},
url = {http://dx.doi.org/10.1016/j.arth.2021.06.025},
volume = {36},
year = {2021}
}
TY - JOUR
AB - BackgroundLittle is known regarding anterior-posterior stability after anterior cruciate ligament–preserving partial (PKA) and combined partial knee arthroplasty (CPKA) compared to standard posterior cruciate–retaining total knee arthroplasty (TKA).MethodsThe anterior-posterior tibial translation of twenty-four cadaveric knees was measured, with optical tracking, while under 90N drawer with the knee flexed 0-90°. Knees were tested before and after PKA, CPKA (medial and lateral bicompartmental and bi-unicondylar), and then posterior cruciate–retaining TKA. The anterior-posterior tibial translations of the arthroplasty states, at each flexion angle, were compared to the native knee and each other with repeated measures analyses of variance and post-hoc t-tests.ResultsUnicompartmental and bicompartmental arthroplasty states had similar laxities to the native knee and to each other, with ≤1-mm differences throughout the flexion range (P ≥ .199). Bi-unicondylar arthroplasty resulted in 6- to 8-mm increase of anterior tibial translation at high flexion angles compared to the native knee (P ≤ .023 at 80-90°). Meanwhile, TKA exhibited increased laxity across all flexion angles, with increased anterior tibial translation of up to 18 ± 6 mm (P < .001) and increased posterior translation of up to 4 ± 2 mm (P < .001).ConclusionsIn a cadaveric study, anterior-posterior tibial translation did not differ from native laxity after PKA and CPKA. Posterior cruciate ligament–preserving TKA demonstrated increased laxity, particularly in anterior tibial translation.
AU - Garner,A
AU - Dandridge,O
AU - Amis,A
AU - Cobb,J
AU - van,Arkel R
DO - 10.1016/j.arth.2021.06.025
EP - 3772
PY - 2021///
SN - 0883-5403
SP - 3765
TI - Partial and combined partial knee arthroplasty: greater anterior-posterior stability than posterior-cruciate retaining total knee arthroplasty
T2 - The Journal of Arthroplasty
UR - http://dx.doi.org/10.1016/j.arth.2021.06.025
UR - https://www.sciencedirect.com/science/article/pii/S0883540321005854?via%3Dihub
UR - http://hdl.handle.net/10044/1/90767
VL - 36
ER -
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