• 1. Xi'an Medical University, Xi'an Shaanxi, 710068, P. R. China;
  • 2. Department of Spinal Surgery, Honghui Hospital Affiliated to Xi'an Jiaotong University College of Medicine;
HAODingjun, Email: haodingjun@126.com
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Objective To investigate the clinical efficacy and the indications of posterolateral fusion and pedicle screw short-segment fixation via injured vertebra for treating old thoracolumbar fracture combined with kyphosis in elderly patients. Methods Between January 2012 and December 2014, 24 patients with old thoracolumbar fracture and kyphosis received posterolateral fusion and pedicle screw short-segment fixation via injured vertebra. Of 24 cases, 8 were male and 16 were female with an average age of 66.3 years (range, 56-79 years). The mean disease course was 17.5 months (range, 5-36 months). There were 13 cases of osteoporosis, 9 cases of osteopenia, and 2 cases of normal bone. The visual analogue scale (VAS) was 6.53±0.95, and Oswestry disability index (ODI) was 52.63%±5.74% preoperatively. The thoracolumbar kyphosis located at T10 to L2, and the kyphotic Cobb angle was (28.79±5.04)° before operation. Results The operation was completed successfully without related complications. The operative time was 1.2-2.3 hours (mean, 1.6 hours), and intraoperative blood loss was 80-210 mL (mean, 158 mL). No nerve injury occurred. Poor healing of incision was observed in 1 patient with diabetes, and primary healing of incision was obtained in the other patients. Nineteen patients were followed up 6-30 months (mean, 14.4 months), and there were 2 deaths. Pain relief and function recovery were obtained in 19 patients after operation. The VAS score and ODI were significantly decreased to 2.4±0.7 and 32.14%±5.12% at last follow-up (t=8.542, P=0.000; t=9.826, P=0.000). The kyphotic Cobb angle was significantly decreased to (21.23±4.30)° at immediate after operation (P < 0.05) and to (23.68±4.35)° at last follow-up (P < 0.05), but no significant difference was found between at immediate and last follow-up (P > 0.05). No loosening or breakage of internal fixation was observed during follow-up. Conclusion Posterolateral fusion and pedicle screw short-segment fixation via injured vertebra is a safe and effective treatment for elderly patients with old thoracolumbar fracture combined with kyphosis (Cobb angle less than 40°).

Citation: NIUXingbang, ZHANGHaiping, HESimin, HUANGYansheng, ZHUZiqi, SHIShaoyan, HAODingjun. POSTEROLATERAL FUSION AND PEDICLE SCREW FIXATION FOR TREATING OLD THORACOLUMBAR FRACTURE COMBINED WITH KYPHOSIS IN ELDERLY PATIENTS. Chinese Journal of Reparative and Reconstructive Surgery, 2016, 30(9): 1118-1121. doi: 10.7507/1002-1892.20160227 Copy

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