Femoral neck osteotomy guide for total hip arthroplasty

BMC Surgery

Yingze Zhang¹  Juan Wang¹  Wei Chen¹  Zhanle Zheng¹  Lei Yang¹ 

[1] Department of Orthopaedic Surgery and Key Biomechanical Laboratory of Orthopaedics of Hebei Province, The Third Hospital of Hebei Medical University, Shijiazhuang 050051, China

关键词: Leg length discrepancy;    Total hip arthroplasty;    Osteotomy guide;    Femoral neck osteotomy;    Guide;   

Others  :  1139825
DOI  :  10.1186/s12893-015-0015-3

 received in 2014-05-15, accepted in 2015-02-24,  发布年份 2015

【 摘 要 】

Background

Total hip arthroplasty (THA) is a common last-resort treatment for hip disease, but postoperative patients often complain of discrepancies in leg length. This study introduces a device designed to increase the precision of the femoral neck osteotomy and reduce the incidence of leg length discrepancy.

Methods

Forty-eight patients undergoing THA were divided into two groups, with and without the use of the femoral osteotomy guide. All operations were performed through a posterolateral approach. Differences in leg length were recorded before and after the operation. Measurements were also made to compare the preoperative plan with the actual amount of bone removed.

Results

The mean average difference in femoral neck resection height was 0.84 mm when using the osteotomy guide and 1.69 mm without the guide. Discrepancies in postoperative leg length were 5.45 mm and 13.37 mm in the groups with and without the guide, respectively.

Conclusion

The femoral neck osteotomy guide is an effectively auxiliary tool for increasing the accuracy of bone resection in arthroplasty using the posterolateral approach.

Trial registration

ChiCTR-OOC-15005904 webcite; date: 2015-01-30

【 授权许可】

   
2015 Yang et al.; licensee BioMed Central.

【 图 表 】

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