Short-term clinical effect comparison of total knee arthroplasty and unicompartmental knee arthroplasty in the treatment of old patients with knee joint unicompartmental osteoarthritis
Abstract：Objective To compare the short-term clinical effect of total knee arthroplasty (TKA) and unicompartmental knee arthroplasty (UKA) in the treatment of old patients with knee joint unicompartmental osteoarthritis. Methods A total of 60 cases of elderly patients with knee joint unicompartmental osteoarthritis in our hospital from January 2018 to January 2020 were retrospectively analyzed. According to the operation methods, they were divided into TKA group (n=30) and UKA group (n=30). The visual analogue score (VAS), knee mobility (ROM), Western Ontario and McMaster Arthritis Index (WOMAC), American Special Surgery Hospital (HSS) scores and clinical effect of the two groups were statistically analyzed. Results After operation,the VAS score and WOMAC score of the two groups were lower than those before operation, the differences were statistically significant (P＜0.05), ROM and HSS scores were higher than those before operation, the differences were statistically significant(P＜0.05); before and after operation, the VAS score, ROM,WOMAC score and HSS score of the two groups were not statistically significant (P＞0.05). In terms of excellent and good rate of knee joint function recovery, TKA group was 90.0% (45/30), UKA group was 93.3% (46/30), the difference between the two groups was not significant (P＞0.05). Conclusion TKA and UKA have the same clinical effect in the treatment of knee joint unicompartmental osteoarthritis in the elderly.
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