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.
Author: Enxing XueZhen SuChengwang ChenPaul WongHong WenYu Zhang
Credits/Source: Journal of Orthopaedic Surgery and Research 2014, 9:58
Published on: 2014-07-19
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