Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2020
[Clinical research of percutaneous monoplanar screw internal fixation via injured vertebrae for thoracolumbar fracture].
СтатьяНазвание и аннотация: Перевод в очереди
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Kang Hui, Xu Feng, Xiong Chengjie, Xi Jintao, Wu Boyu
Аннотация
OBJECTIVE: To evaluate the effectiveness of percutaneous monoplanar screw internal fixation via injured vertebrae for treatment of thoracolumbar fracture.
METHODS: Between May 2015 and August 2017, 38 cases of thoracolumbar fractures without neurological symptom were treated with percutaneous monoplanar screw internal fixation via injured vertebrae. There were 22 males and 16 females, aged 25-52 years (mean, 32.5 years). There were 23 cases of AO type A3 and 15 cases of AO type A4. The injured vertebrae located at T 11 in 4 cases, T 12 in 9 cases, L 1 in 11 cases, L 2 in 10 cases, L 3 in 3 cases, and L 4 in 1 case. The mean interval between injury and operation was 4.5 days (range, 3-7 days). The pre- and post-operative degrees of lumbodorsal pain were estimated by the visual analogue scale (VAS) score. The X-ray film, CT three-dimensional reconstruction, and MRI were performed, and the ratio of anterior vertebral body height and sagittal Cobb angle were measured to assess the kyphosis of the fractured area.
RESULTS: All operations in 38 patients successfully completed without complications such as dural sac, nerve root, or vascular injury. The operation time was (56.2±3.7) minutes and the intraoperative blood loss was (42.3±3.5) mL. All incisions healed by first intention without redness, swelling, or exudation. All patients were followed up 17-33 months, with an average of 21.5 months. The VAS score at each time point after operation significantly improved when compared with that before operation ( P<0.05), and significantly improved at 3 months and last follow-up when compared with that at 1 week ( P<0.05); there was no significant difference between 3 months and last follow-up ( P>0.05). There was no internal fixator loosening, breakage, or delayed kyphosis in all patients. The ratio of anterior vertebral body height and sagittal Cobb angle significantly improved postoperatively ( P<0.05), and no significant difference was found between the different time points after operation ( P>0.05).
CONCLUSION: Percutaneous monoplanar screw internal fixation via injured vertebrae is an easy approach to treat thoracolumbar fracture without neurological symptom, which can effectively restore vertebral body height and correct kyphosis, and avoid long-term segmental kyphosis.
METHODS: Between May 2015 and August 2017, 38 cases of thoracolumbar fractures without neurological symptom were treated with percutaneous monoplanar screw internal fixation via injured vertebrae. There were 22 males and 16 females, aged 25-52 years (mean, 32.5 years). There were 23 cases of AO type A3 and 15 cases of AO type A4. The injured vertebrae located at T 11 in 4 cases, T 12 in 9 cases, L 1 in 11 cases, L 2 in 10 cases, L 3 in 3 cases, and L 4 in 1 case. The mean interval between injury and operation was 4.5 days (range, 3-7 days). The pre- and post-operative degrees of lumbodorsal pain were estimated by the visual analogue scale (VAS) score. The X-ray film, CT three-dimensional reconstruction, and MRI were performed, and the ratio of anterior vertebral body height and sagittal Cobb angle were measured to assess the kyphosis of the fractured area.
RESULTS: All operations in 38 patients successfully completed without complications such as dural sac, nerve root, or vascular injury. The operation time was (56.2±3.7) minutes and the intraoperative blood loss was (42.3±3.5) mL. All incisions healed by first intention without redness, swelling, or exudation. All patients were followed up 17-33 months, with an average of 21.5 months. The VAS score at each time point after operation significantly improved when compared with that before operation ( P<0.05), and significantly improved at 3 months and last follow-up when compared with that at 1 week ( P<0.05); there was no significant difference between 3 months and last follow-up ( P>0.05). There was no internal fixator loosening, breakage, or delayed kyphosis in all patients. The ratio of anterior vertebral body height and sagittal Cobb angle significantly improved postoperatively ( P<0.05), and no significant difference was found between the different time points after operation ( P>0.05).
CONCLUSION: Percutaneous monoplanar screw internal fixation via injured vertebrae is an easy approach to treat thoracolumbar fracture without neurological symptom, which can effectively restore vertebral body height and correct kyphosis, and avoid long-term segmental kyphosis.