Short-Term Functional Outcomes of Unicompartmental versus Total Knee Arthroplasty in an Asian Population

Author:

Soh Tamara Lee Ting,Loh Nicholas Li Khai,Ho Sean Wei Loong,Kaliya-Perumal Arun-KumarORCID,Kau Chung Yuan

Abstract

Unicompartmental and Total Knee Arthroplasty (UKA and TKA) are both established surgical options for the treatment of medial compartment osteoarthritis of the knee. However, the superiority of one over the other remains controversial. Our retrospective study aims to compare short-term functional outcomes in similar patients who underwent either TKA or UKA. Pre- and post-operative range of motion (ROM), the Oxford Knee Score (OKS), Knee Society Knee Score (KSKS), and Knee Society Function Score (KSFS) were used as outcome measures. Our sample included 57 patients, among which 27 underwent TKA and 30 underwent UKA, including one patient who underwent bilateral UKA. At 1 year, there were no differences in the OKS, KSKS, or KSFS scores between the two groups. There was a significantly better range of motion in patients who underwent UKA compared to TKA (122.9 ± 11.7 degrees vs 109.9 ± 13.9 degrees, p < 0.001). Functional outcomes following UKA and TKA were found to be similar. Hence, in view of its lower morbidity and shorter length of hospital stay, UKA may be considered over a TKA for the treatment of medial compartment osteoarthritis whenever deemed appropriate.

Publisher

MDPI AG

Reference38 articles.

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