Percutaneous pedicle screw fixation in thoracic-lumbar fracture using mini-invasive pedicle screw system guided by navigation
Li, Q.; Tian, W.; Liu, B.; Hu, L.; Li, Z.-y.; Yuan, Q.
Zhonghua Yi Xue Za Zhi 87(19): 1339-1341
2007
ISSN/ISBN: 0376-2491 PMID: 17727780 Document Number: 605820
To assess the therapeutic effects of thoracic-lumbar fracture fixation with percutaneous mini-invasive pedicle screw system guided by computer navigation. Fifty-one thoracic-lumbar fracture patients were divided into two groups: Sextant group (n = 21) undergoing percutaneous screw fixation with a minimally invasive pedicle screw system, and conventional pedicle screw fixation group (n = 30). The differences in the incision size, average blood loss during operation, surgical time, time of resuming walking after operation, numerical analogous pain score, etc. were analyzed. The incision length of the sextant group was 2.4 +/- 0.41 cm, significantly shorter than that of the conventional pedicle screw fixation group (17.4 +/- 3.4 cm, P < 0.001). The average blood loss during operation of the sextant group was 114 +/- 67.4 ml, significantly less than that of the conventional pedicle screw fixation group (317 +/- 113.2 ml, P < 0.001). The surgical time of the sextant group was 2.1 +/- 0.4 hr, significantly shorter than that of the conventional pedicle screw fixation group (2.7 +/- 0.7, P < 0.05). The time of resuming walking after operation of the sextant group was 2.0 +/- 0.7 d, significantly shorter than that of the conventional pedicle screw fixation group (7.2 +/- 2.5 d, P < 0.001). The postoperative NAPS was significantly lower than that before operation in both groups, however, there was no significant difference in the improvement of NAPS between the two groups. Percutaneous pedicle screw fixation using mini-invasive pedicle screw system guided by computer navigation is a good surgical therapeutic choice in thoracic-lumbar fracture.