导板辅助胫骨高位截骨术与经典截骨方式的临床对照研究

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Abstract

Objective To compare the clinical outcomes of 3D printed cutting guides assisted open wedge high tibial osteotomy (OWHTO) to OWHTO with classic AO technique.Methods The clinical data of 98 patients from March to December 2020 were screened and a total of 90 patients met the grouping criteria and were randomized grouping by the random number list provided by PASS software.Finally，45 patients (70 knees) were selected for study group.The patients consisted of 25 males and 20 females，with ages ranging from 19~69 years，mean age (40.48±14.95)years.Patients in study group treated by 3D printed cutting guides assisted high tibial osteotomy (HTO) Another 45 patients (59 knees) were selected for control group.The patients consisted of 19 males and 26 females，with ages ranging from 21~71 years，mean age (48.16±16.65)years.Patients in control group treated by HTO with classical AO technique.The target alignments were planned and recorded before surgery.The differences between the postoperative alignments and the planned target alignments were compared in two groups.Postoperative posterior tibial slope (PTS)，operation time and intraoperative fluoroscopy times were recorded.The differences between preoperative and postoperative Oxford knee score (OKS) were also compared between two groups.Results Intraoperative fluoroscopy times in study group (13.79±8.12) was statistically significant less than control group (23.36±11.80) (P＜0.01).There was no significant difference of postoperative and target weight bearing line ratio (WBLR) in study group (4.29±4.57)% and control group (4.75±4.87)% (P＝0.62).The proportion of patients whose difference between postoperative and target WBLR within ±10% was 75.81% in study group and 73.33% in control group.There was no significant difference between two groups (P＝0.82).There was no significant difference of postoperative and target posterior tibial slope (PTS) in study group (3.16±4.62)° and control group (1.86±2.39)° (P＝0.10).The improvement of OKS in study group (4.27±10.14) was statistically significant higher than control group (－1.83±12.67) (P＜0.01).Conclusion Comparing to HTO with classic AO technique，3D printed cutting guides can significantly decrease the intraoperative fluoroscopy times and increase the postoperative OKS.

Key words： open wedge high tibial osteotomy cutting guides knee osteoarthritis

Corresponding Authors: Huang Ye

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	Liu Yuan
	Liu Jian
	Huang Ye
	Wang Xingshan
	Liu Qing
	Cui Yanan
	Liu Gang
	Wan Yebiao

Cite this article:

Liu Yuan,Liu Jian,Huang Ye, et al. The Clinical Outcomes of Cutting Guides Assisted High Tibial Osteotomy Compares to Traditional Osteotomy[J]. sygkzz, 2023, 29(11): 980-.

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http://www.sygkzz.com/EN/ OR http://www.sygkzz.com/EN/Y2023/V29/I11/980

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