测量截骨联合间隙平衡技术在全膝关节置换术中的应用

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Abstract Objective To evaluate the clinical effect of measuring osteotomy combined with gap balancing osteotomy in total knee arthroplasty.Methods A total of 92 patients who underwent consecutive primary TKA between May 2017 and July 2019 were retrospectively reviewed.Among them，47 cases (16 males and 31 females) were included in the measurement osteotomy group using the measurement osteotomy technique alone.The average age was (66.26±4.56) years.45 cases (18 males and 27 females) were enrolled in the combined osteotomy group by using the measured resection combined with gap balancing technique assisted by a modified spacer block.The average age was (64.69±5.83) years.The surgical，imaging and knee function outcomes of the two groups were compared.Results 92 patients were followed up for at least 2 years.The operation time in the combined osteotomy group was (68.62±11.06) min，which was less than that in the measured resection group (74.81±13.21) min，the difference was statistically significant (P＝0.017).Compared with the measured resection group (3.43±0.83)°，the combined osteotomy group had a greater external rotation resection angle of the femur (4.22±1.27)°.The osteotomy thickness of the medial posterior condyle of femur in the combined osteotomy group was (9.77±0.81) mm，which was higher than (9.35±0.69) mm in the measured resection group (P＝0.009).At 1 and 3 months follow-ups，the Western Ontario and McMaster Universities(WOMAC) score of the combined osteotomy group was (37.96±6.42)，(25.64±3.52)，which was better than that of the measured resection group (40.76±6.70)，(27.44±4.41)，the difference was statistically significant (P＝0.044，P＝0.032).There was no significant difference in range of motion(ROM)，knee society score(KSS) and WOMAC scores between the two groups at 1 and 2 year follow-ups (P＞0.05).Conclusion The application of measuring osteotomy combined with gap balancing technique in total knee arthroplasty has better daily function of knee joint in the early stage.The external rotation osteotomy angle of posterior condyle and the amount of osteotomy of medial posterior condyle of femur is slightly larger than that of measuring osteotomy，but there is no difference between the two techniques in clinical effect at 1 and 2 years of follow-ups.

Key words： total knee arthroplasty osteotomy gap balancing

Corresponding Authors: Liu Yi

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	Hu Yanhui
	Song Da
	Yuan Zhenfeng
	Yang Yiqun
	Wang Chaohai
	Liu Yi

Cite this article:

Hu Yanhui,Song Da,Yuan Zhenfeng, et al. Application of Measuring Osteotomy Combined with Gap Balancing Technique in Total Knee Arthroplasty[J]. sygkzz, 2022, 28(7): 596-601.

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http://www.sygkzz.com/EN/ OR http://www.sygkzz.com/EN/Y2022/V28/I7/596

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