• Yu-Peng Zhang, Dong-Feng Ren, Ye Wu, Hua-Dong Wang, Chao Ma, Wei-Lin Shang, Wen-Wen Wu, and Shu-Xun Hou.
• Department of Orthopaedics, the First Affiliated Hospital, the General Hospital of PLA, Beijing 100048, China. hnronald@hotmail.com
• Zhongguo Gu Shang. 2012 Oct 1; 25 (10): 838-41.

ObjectiveTo evaluate the efficacy and clinical outcome of the treatment of thoracolumbar single compression fracture by using in situ rod rotation reduction and short segment pedicle screw at the fracture level.MethodsFrom December 2008 to May 2010,12 cases of traumatic thoracolumbar single compression fracture (T11-L2) were treated, including 9 males and 3 females, with an average age of 35.8 years old (ranging from 24 to 52). There were 2 case with T11 fracture, 2 cases with T12, 6 cases with L1 and 2 cases with L2, without osteoporosis,pathological fractures or neurologic deficits. Radiographic data were collected preoperatively, 5 days postoperatively and at last follow-up (at least 12 months). Cobb's angle, vetebral compression ratio, internal fixation state were observed.ResultsAll patients were followed up from 12 to 30 months postoperatively,with an average of 19 months. There was no pseudoarticulation and solid bone fusion was achieved in all cases. There were no complications such as loosening or rupturing of internal fixation and so on. Sagittal kyphotic Cobb angle was corrected from preoperative (25.8 +/- 9.4) degrees to postoperative (6.7 +/- 2.3) degrees and (6.9 +/- 2.6) degrees at last follow-up. The percentage of vertebral compression was corrected from preoperative (42.5 +/- 10.4)% to postoperative (7.5 +/- 3.9)% and (8.4 +/- 4.5)% at last follow-up.There was significant difference between the postoperative data and preoperative data (P < 0.05), while the difference was not significant between the postoperative data and the last follow-up (P > 0.05).ConclusionThe thoracolumbar single compression fracture can obtain and maintain a good restoration by using the technic of in situ rod rotation reduction and short segment pedicle screw at the fracture level. The technique should be highly recommended.

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