Osteotomy at the distal third of tibial tuberosity with LCP L-buttress plate for correction of tibia vara

Journal of Orthopaedic Surgery and Research

Yujun Li¹  Yixin Zhou¹  Jianming Gu¹  Ye Huang¹ 

[1] Department of Joint Reconstructive Surgery, Beijing Jishuitan Hospital, Beijing 100035, China

关键词: Delayed union;    Locking compression plate;    Closing wedge;    High tibial osteotomy;    Tibia vara;   

Others  :  813639
DOI  :  10.1186/1749-799X-9-9

 received in 2013-09-04, accepted in 2014-01-28,  发布年份 2014

【 摘 要 】

Background

Many osteotomy methods and fixation types have been used to correct the misalignment observed in tibia vara and to achieve a more uniform distribution of weight across the knee joint.

Purpose

The aim of this study is to test the efficacy and safety of a modified closing wedge high tibial osteotomy (CWHTO) procedure for tibia vara.

Methods

In this prospective study, young adults with tibia vara and mild medial arthritic changes were included. A CWHTO was performed at the distal third of the tibial tuberosity, instead of the conventional proximal site. An L-shaped locking compression plate was used for internal fixation. Before/after evaluation of femoro-tibial angle (FTA), pain relief, patellar height, and posterior tibial slope were evaluated. Adverse events were monitored.

Results

Seventy-five knees from 46 patients aged 27.2 ± 5.8 years (range, 14–43 years) underwent the modified CWHTO procedure. After a follow-up of 26.3 ± 7.4 months (range, 15–46 months), FTA correction was 12.4° ± 4.7° (range, 7°–31°), and pain was relieved. Reduction in the posterior tibial slope was 3.0° ± 2.3° (p < 0.001), while there was no significant change in patella height. Bone union was observed in all patients. There were a delayed union in four knees, a peroneal nerve lesion in five knees causing partial paralysis and/or sensory loss, and infections in two knees. Three patients underwent a second surgery. All adverse events were successfully treated except for a case of extensor hallucis longus muscle paralysis.

Conclusions

The modified CWHTO procedure is efficient and safe for the correction of tibia vara in young patients.

【 授权许可】

   
2014 Huang et al.; licensee BioMed Central Ltd.

【 图 表 】

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