Application Of Spinal Navigation With The Intra-Operative Three-Dimensional (3d)-Imaging Modality In Difficult Pedicle Screw Fixation
INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL MEDICINE(2016)
摘要
The aim of this study was to evaluate the efficacy and safety of an application using spinal navigation with the intra-operative three-dimensional (3D)-imaging modality in difficult pedicle screw fixation. 78 patients with congenital deformity of spinal column and spinal cord (41 cases) or spinal instability after laminectomy or semi-laminectomy (37 cases) were instrumented with pedicle screw system by spinal navigation with the intra-operative 3D-imaging system from September 2004 to September 2014 in our orthopedic department. The position of pedicle screw was assessed by intra-operative 3D-imaging system. The excellent rate of pedicle screw position, mean time of pedicle screw implanted, operating time, blood loss, post-operative complication were recorded. The excellent rate of pedicle screw position was 96% in these cases. The mean time of pedicle screw implanted, operating time and blood loss were 3.90 +/- 0.87 minutes, 147 +/- 65 minutes and 312 +/- 185 ml, respectively. There was no implant-related complication that occurred during operation. With spinal navigation combined with the intra-operative 3D-imaging modality, implantation of difficult pedicle screw in patients with congenital spinal deformity or spinal instability after laminectomy or semi-laminectomy is more simplified, more accurate, safer, and shorter time-consuming.
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关键词
Spinal navigation, 3D-imaging, pedicle screw, spinal deformity, revision
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