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Objective To analyze the results and indications of anterior, posterior or combined surgery for thoracolumbar burst fractures. Methods A retrospective review of surgically managed thoracolumbar burst fractures from 1998 to 2003 was performed. There were 76 males and 13 females, and the age of the patients were from 17 to 51 years with an average of 36.8 years. The fractures were located at T11 in 10, T12 in 21, L1 in 29, L2 in 18 and L3 in 11. According to Magerl classification, type A fractures were 68, and type C were 21. Of the 89 patients, 41 received posterior surgeries, 40 anterior surgeries, and 8 combined anterior and posterior surgeries. Operative notes, preoperative and postoperative neurological status, radiographs, CT scans, and follow-up records were reviewed. Results All of the 89 cases had successful surgery. Seventy-eight patients were followed-up for 6 to 48 months (average 12 months). Neurological status improved at least 1 ASIA grade in all of the 65 patients who had preoperative incomplete paraplegia. In the posterior surgeries, pedicle screws broken in 2 cases, deep infection in 1 case which was cured after debridement. The correction of anterior vertebral body height and Cobb's angle averaged 9.4 mm and 14.8? postoperatively, and the correction loss averaged 0.5 mm and 7.5? respectively at 6 months after surgery. And the correction loss was most evident at the above disc spaces, then the below disc spaces. In the anterior surgeries, leakage of cerebrospinal fluid in 2 cases which cured with dressing change, the other cured after debridement, implant removal and posterior fixation. The spinal canal was enlarged, and the spine recovered normal curvature. No evident correction loss, pseudoarthrosis or implant failure was noted at follow-up. Conclusion The choice of anterior, posterior or combined surgery for thoracolumbar burst fractures depends on neurological status and column stability. The vertebral compression, canal encroachment, posterior column stability and concomitant displacement should be considered in the choice of appreciate surgical approach.

8.Clinical features of elderly patients with primary biliary cirrhosis

Fukui ZHANG ; Jidong JIA ; Baoen WANG

Chinese Journal of Geriatrics 2001;0(01):-

9.Lateral position one-stage combined anteroposterior surgery for serious thoracolumbar fracture dislocation

Qun XIA ; Baoshan XU ; Jidong ZHANG

Chinese Journal of Orthopaedics 1999;0(07):-

Objective To analyze the results of one-stage combined anteroposterior surgery in lateral position for serious thoracolumbar fracture dislocation. Methods A retrospective review was performed for surgically treated thoracolumbar fractures from October 1998 to September 2005. Of all the 192 patients, the 34 serious cases were treated with one-stage combined anteroposterior surgery. There were 25 males and 9 females, 34.2 years old on the average (ranging from 18 to 56 years). Segments involved: T11 in 2 cases, T12 in 5 cases, L1 in 11 cases, L2 in 8 cases, L3 in 5 cases, L4 in 2 cases and L4,5 in 1 case. According to the Classification of Magerl, there were 12 cases of type A3, 2 cases of B1, 2 cases of B2, 12 cases of C1, 4 cases of C2 and 2 cases of C3. During the operation the patients were in lateral position. Laminectomy and pedical screw insertion were performed posteriorly first; anterior corpectomy, reduction and strut graft were accomplished through an additional anterior approach. The final fixation was finished by clapping the strut graft with pedical screw system. Operative notes, preoperative and postoperative neurological status, ASIA scales, radiographs, CT scans, and follow-up records were reviewed. Results All these surgeries were performed successfully without any neurological deterioration. 32 of 34 patients were followed-up for 6 to 60 months (13 months on average). Neurological status improved at least 1 ASIA grade in 24 patients with preoperative incomplete paraplegia. 6 patients complained intercostals nerve injury symptom which alleviated with conservative treatment. During follow-up, lumbar physical lordosis was reconstructed and no evident correction loss, pseudoarthrosis or implant failure was noted. Conclusion One-stage combined anteroposterior surgery can be accomplished in a lateral position. It was proved to be an effective treatment for serious thoracolumbar fracture dislocation.