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Received: 2009-04-05

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Journal of Zhejiang University SCIENCE B 2009 Vol.10 No.9 P.689~695

10.1631/jzus.B0920095


Modified biplanar open-wedge high tibial osteotomy with rigid locking plate to treat varus knee


Author(s):  Hai-ning ZHANG, Jie ZHANG, Cheng-yu LV, Ping LENG, Ying-zhen WANG, Xiang-da WANG, Chang-yao WANG

Affiliation(s):  Department of Joint Surgery, the Affiliated Hospital, School of Medicine, Qingdao University, Qingdao 266003, China; more

Corresponding email(s):   zhhaining@hotmail.com

Key Words:  Osteotomy, Varus, Osteoarthritis, Fixation


Hai-ning ZHANG, Jie ZHANG, Cheng-yu LV, Ping LENG, Ying-zhen WANG, Xiang-da WANG, Chang-yao WANG. Modified biplanar open-wedge high tibial osteotomy with rigid locking plate to treat varus knee[J]. Journal of Zhejiang University Science B, 2009, 10(9): 689~695.

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author="Hai-ning ZHANG, Jie ZHANG, Cheng-yu LV, Ping LENG, Ying-zhen WANG, Xiang-da WANG, Chang-yao WANG",
journal="Journal of Zhejiang University Science B",
volume="10",
number="9",
pages="689~695",
year="2009",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.B0920095"
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%0 Journal Article
%T Modified biplanar open-wedge high tibial osteotomy with rigid locking plate to treat varus knee
%A Hai-ning ZHANG
%A Jie ZHANG
%A Cheng-yu LV
%A Ping LENG
%A Ying-zhen WANG
%A Xiang-da WANG
%A Chang-yao WANG
%J Journal of Zhejiang University SCIENCE B
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%N 9
%P 689~695
%@ 1673-1581
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B0920095

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T1 - Modified biplanar open-wedge high tibial osteotomy with rigid locking plate to treat varus knee
A1 - Hai-ning ZHANG
A1 - Jie ZHANG
A1 - Cheng-yu LV
A1 - Ping LENG
A1 - Ying-zhen WANG
A1 - Xiang-da WANG
A1 - Chang-yao WANG
J0 - Journal of Zhejiang University Science B
VL - 10
IS - 9
SP - 689
EP - 695
%@ 1673-1581
Y1 - 2009
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B0920095


Abstract: 
Objective: To introduce and characterize the modified biplanar opening high tibial osteotomy with rigid fixation to treat varus knee in young and active patients. Methods: Between June 2001 to July 2008, 18 patients with monocompartmental degeneration of the knee combined with a varus malalignment of the leg had the modified biplanar opening high tibial osteotomy and the osteotomy was fixed with the locking plates (Locking Compression Plate System). The mean varus deformity before operation was 11.5° (5°~19°) and no degenerative changes were found in other departments. Stability of the knee was normal in 15 patients, but ruptures in anterior cruciate ligaments or lateral collateral ligament were presented in the remaining 3 patients. Preoperative symptom was mainly limited in the pain of medial compartment. The preoperative and follow-up data for the range of motion and Lysholm score were determined. Subjective satisfactory examination was also applied to the patients for the operation they selected. Results: All of the patients were followed up with an average of 32.5 months (12~82 months). There was no ununion or delayed union in this group during the follow-up period. No complications like broken plate, nerve injury, or blood vessel injury occurred. The postoperative average corrected degree was 9.5° (5.5°~18°). No degenerations developed in the three departments of the knee. The Lysholm scores before and after surgery were 42.5 and 77.5, respectively (P<0.01). The overall fineness rate was 83.3%. The subjective satisfactory survey demonstrated that about 83.3% patients showed satisfactory on the operation. There was no obvious difference in the range of motion before and after operation, but significant changes were found in the Lysholm score and varus degree from preoperative to follow-up. Conclusion: Proximal opening high tibial osteotomy performed in conjunction with the special rigid locking plate yielded good results for symptomatic genu varum. This new classic technique can be effectively applied to the medial compartment degeneration of the knee in active young patients.

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