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Comparison of the effect of single-segment fixation with trans-injured vertebrae and short-segment fixation with trans-injured vertebrae |
CUI Libin1* YUAN Xin1* LU Shibao2 CHEN Xueming1 ZHANG Yanjun1 |
1.Department of Spine Surgery, Beijing Luhe Hospital, Capital Medical University, Beijing 101149, China;
2.Department of Orthopedics, Xuanwu Hospital, Capital Medical University, Beijing 100053, China |
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Abstract Objective To compare the effect of monosegmental transvertebral fixation and short segment fixation for thoracolumbar fracture. Methods From April 2017 to April 2019, 60 consecutive patients with thoracolumbar fracture treated by operation in Beijing Luhe Hospital, Capital Medical University were selected as the research objects, and they were divided into experimental group and control group according to the random number table method, with 30 patients in each group. Experimental group accepted the injured vertebral single segmental fixation, the control group accepted across vertebral short segmental fixation, respectively in postoperative three days to begin for at least 12 months of follow-up, patients with follow-up indicators including visual analogue scale (VAS) score, Oswestry disability index scores (ODI), injury spinal vertebral compression rate, sagittal Cobb Angle, the surgery postoperative clinical curative effect and correct degree of the two operations were compared. Results At the end of follow-up, there were 28 cases in the experimental group and 25 cases in the control group. At the last follow-up, the vertebral compression rate and the sagittal Cobb angle of the two groups were significantly lower than those before operation (P < 0.05), and the experimental group was significantly lower than the control group (P < 0.05). Compared with before operation, the VAS scores and ODI scores in the last follow-up of both groups were reduced (P < 0.05), and there was no statistically significant difference between the two groups (P > 0.05). The operation time of the experimental group was significantly shorter than that of the control group (P < 0.05), and there was no statistically significant difference between the two groups in terms of intraoperative blood loss and average length of stay (P > 0.05). There were no serious complications such as wound infection, delayed nerve function damage in both groups. In the experimental group, there was no screw or titanium rod bending fracture, and screw loosening occurred in two cases. In the control group, screw fracture occurred in one case and screw loosening occurred in three cases. Conclusion Satisfactory vertebral height, sagittal Cobb angle and function are achieved by both monosegmental transvertebral and short segment fixation in treating A1 and A3.1 thoracolumbar fractures. Monosegmental transvertebral fixation is superior to short segment fixation in A1 and A3.1 thoracolumbar fractures in correction of deformity, maintenance and operating time.
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