An intraoperative device to restore femoral offset in total hip arthroplasty

被引：5
|
作者：
Xue, Enxing [1 ,2 ]
Su, Zhen [3 ]
Chen, Chengwang [1 ,2 ]
Wong, Paul Kim Chiu [4 ]
Wen, Hong [1 ,2 ]
Zhang, Yu [1 ,2 ]
机构：
[1] Wenzhou Med Univ, Affiliated Hosp 2, Dept Orthopaed Surg, Wenzhou 325000, Zhejiang, Peoples R China
[2] Wenzhou Med Univ, Yuying Childrens Hosp, Wenzhou 325000, Zhejiang, Peoples R China
[3] Wenzhou Med Univ, Affiliated Hosp 1, Dept Nephrol, Wenzhou 325000, Zhejiang, Peoples R China
[4] Univ Toronto, Dept Surg, Toronto, ON M4C 5M5, Canada
来源：
JOURNAL OF ORTHOPAEDIC SURGERY AND RESEARCH | 2014年 / 9卷
关键词：
Leg length discrepancy; Total hip arthroplasty; Femoral offset; Device; ABDUCTOR MUSCLE STRENGTH; LIMB-LENGTH DISCREPANCY; JOINT POSITION;
D O I：
10.1186/s13018-014-0058-7
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：
摘要：
Background: Leg length discrepancy (LLD) after total hip arthroplasty (THA) can lead to unsatisfactory outcome. Our objective was to design and evaluate a simple and reliable intraoperative device (Length-offset Lever) to minimize leg length discrepancy. Methods: This device was used in 51 patients undergoing primary total hip replacements. The leg length discrepancy was measured pre- and postoperatively based on plain radiographs. Results: Preoperative radiographic leg length discrepancy averaged 13.5 +/- 6.2 mm. Leg length discrepancy showed significant improvement, with a postoperative average of 4.1 +/- 2.3 mm (p < 0.0001). There were no complications associated with this device. Conclusions: The 'Length-offset Lever' is a useful intraoperative tool to restore anatomic femoral offset and height of femoral head.
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页数：4
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