The weight-bearing scanogram technique provides better coronal limb alignment than the navigation technique in open high tibial osteotomy

被引:54
作者
Lee, Dae-Hee [1 ,2 ]
Han, Seoung-Bum [2 ]
Oh, Kwang-Jun [3 ]
Lee, Jun Seop [4 ]
Kwon, Jae-Ho [1 ]
Kim, Jong-In [1 ]
Patnaik, Smarajit [1 ]
Shetty, Gautam M. [1 ]
Nha, Kyung-Wook [1 ]
机构
[1] Inje Univ, Ilsanpaik Hosp, Dept Orthopaed Surg, Goyangsi 411706, Gyeonggido, South Korea
[2] Korea Univ, Anam Hosp, Dept Orthopaed Surg, Seoul, South Korea
[3] Konkuk Univ, Med Ctr, Dept Orthopaed Surg, Seoul, South Korea
[4] Gumdan Top Hosp, Dept Orthopaed Surg, Inchon, South Korea
关键词
Weight-bearing limb scanography; Navigation; Open high tibial osteotomy; Accuracy; NORMAL AXIAL ALIGNMENT; ILIAC BONE-GRAFT; CONVENTIONAL TECHNIQUE; KNEE ARTHROPLASTY; OSTEOARTHRITIS; RELIABILITY; FIXATION;
D O I
10.1016/j.knee.2012.09.003
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
100224 [整形外科学];
摘要
Background: Successful outcomes following high tibial osteotomy (HTO) require precise realignment of the mechanical axis of the lower extremity. The present study investigated whether the weight-bearing limb scanogram (WBS) technique provided a more accurate mechanical axis realignment than the navigation technique in open high tibial osteotomy (OHTO). Methods: This prospective study involved 80 knees (78 patients) undergoing OHTO. The WBS technique was used in 40 knees and the navigation technique in 40 knees. Each technique was performed by a different surgeon in a different hospital. Postoperative coronal limb alignment was assessed using the weight-bearing line (WBL) ratio on full-length standing hip-to-ankle radiographs. Results: We found that the mean postoperative WBL ratio was greater in the WBS compared to the navigation group (p = 0.001), and hence the ratio for the WBS group was closer to the ratio target of 62%. There was a greater proportion of WBL ratio outliers in the navigation group than the WBS group (25% vs. 10%, p = 0.034). Conclusion: We conclude that the WBS technique was more accurate than the navigation technique for restoration of coronal leg alignment in OHTO. Level of Evidence: Level II. (c) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:451 / 455
页数:5
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