活动与固定平台单髁关节置换术短期疗效对比

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Abstract Objective To compare mobile and fixed-bearing unicompartmental knee arthroplasty (UKA) for the treatment of medial osteoarthritis of the knee.Methods From January 2017 to December 2019，124 patients with medial knee osteoarthritis admitted to Department of Orthopaedics of Honghui Hospital Affiliated to Xi’an Jiaotong University were retrospectively analyzed.All patients were treated with UKA.A total of 64 patients (18 males and 46 females) used the second generation LINK fixed platform Sled prosthesis (fixed platform group).The average age was (66.2±7.7)years (range：50~83 years).Sixty patients (10 males and 50 females) used the 4th generation Oxford mobile platform prosthesis (mobile platform group).The average age was (63.4±7.1) years (range：53~82 years).The knee society score (KSS)，functional score，mechanical femorotibial angle (mFTA)，postoperative varus angle of tibia prosthesis and valgus angle of femoral prosthesis，and posterior inclination angle of tibial prosthesis were compared between the two groups before and after operation.Results The mean follow-up time was (36.0±7.3) months (range：28~44 months).There were no complications such as infection，pad dislocation，fracture，symptomatic deep vein thrombosis and aseptic loosening in both groups.Sled prosthesis had more varum than Oxford prosthesis after UKA，and the difference was statistically significant (P＝0.036).The KSS scores and functional scores of the two prostheses were significantly improved after operation compared with those before operation (P＜0.001).Although the KSS score and function score of Sled prosthesis after UKA were higher than those of Oxford prosthesis，there was no significant difference between them (P＞0.05).Conclusion Both fixed platform UKA and active platform UKA have good clinical and imaging results，and there is no significant difference in short-term efficacy between them.

Key words： knee medial compartment osteoarthritis unicompartmental knee arthroplasty fixed-bearing mobile-bearing

Corresponding Authors: Qiao Feng

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	Li Jinfeng
	Lu Yufeng
	Qiao Feng
	Zhang Baogang
	Jia Bin
	He Jinlong
	Xu Zhaochen
	Zhong Haoliang
	Ren Jing

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Li Jinfeng,Lu Yufeng,Qiao Feng, et al. Comparison of Fixed-Bearing and Mobile-Bearing Unicompartmental Knee Arthroplasty in Short-term Outcome[J]. sygkzz, 2022, 28(10): 892-.

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http://www.sygkzz.com/EN/ OR http://www.sygkzz.com/EN/Y2022/V28/I10/892

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