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[Clinical study on surgical treatment for thoracolumbar burst fractures]

OBJECTIVE: To explore the choice of operative approach for thoracolumbar burst fractures and evaluate its clinical effects. METHODS: From September 2005 to March 2009, the clinical data of 94 patients with thoracolumbar burst fractures were analyzed retrospectively. Including 59 males and 35 femals with an average age of 36.8 years (ranged from 20 to 63). The fractures were classified according to Denis classification: 17 cases of type A, 32 cases of type B, 6 cases of type C, 24 cases of type D, 15 cases of type E. Neurological injuries were classified according to ASIA classification: 3 cases of grade A, 4 cases of type B, 23 cases of grade C, 38 cases of grade D, 26 cases of grade E. Among the patients, 42 cases were treated with reduction, decompression, internal fixation with pedicle-screw through posterior approach, meanwhile, of them, 18 cases with posterior-lateral bone graft fusion; 36 cases were treated with decompression, bone graft, through anterior approach, of them, 16 cases with TSRH system fixation and 20 cases with Zeplate system fixation; 16 cases (because of bone block intruded into vertebral canal leading to spinal cord compression ) were treated with anterior and posterior approach, internal fixation with pedicle-screw through posterior approach and subtotal vertebrectomy, decompression, titanium mesh cages bone graft fusion through anterior approach, meanwhile, of them, 8 cases with screw-rod and titanium steel plate system fixation. RESULTS: All patients obtained good results and were followed up from 9 to 52 months with an average of 22.8 months. Cobb angle were corrected from preoperatively (25.00 +/- 5.50) degrees to postoperatively (4.20 +/- 1.80) degrees. Height of anterior and posterior border of vertebral body improved from preoperatively (50.80 +/- 2.82)%, (79.30 +/- 3.08)% to postoperatively (94.85 +/- 1.80)%, (98.20 +/- 1.40)%, respectively. The ratio of protruded bones to the spinal canal anteroposterior diameter decreased from preoperatively (33.10 +/- 1.40)% to postoperatively (6.70 +/- 1.50)%. Sagittal abnormity were corrected; posterior convex angle and height were no markedly lost during follow-up; no internal fixation loosening and titanium mesh displacement were found. In the aspect of never function, except for 1 case of grade A there is no recovered others obtained different improvement, among them, from grade A to B was in 2 cases; B to C, D was in 2,2, respectively; C to D, E was 16,7, respectively; D to E was in 38 cases. CONCLUSION: The two factors decide surgical methods:the integrity of posterior ligamentous complex and nervous system function. Anterior approach refers to patients with incomplete spinal cord injury and anterior vertebral canal compression; posterior approach refers to patients with injury of posterior ligamentous complex; combination with anterior and posterior approach refers to patients with two injury factors

Keywords : Adult,China,classification,Decompression,diagnostic imaging,Female,Follow-Up Studies,Humans,injuries,Lumbar Vertebrae,Male,methods,Middle Aged,Nervous System,Patients,physiopathology,Recovery of Function,Spinal Canal,Spinal Cord,Spinal Cord Compression,Spinal Cord Injuries,Spinal Fractures,Steel,surgery,Thoracic Injuries,Titanium,Tomography,X-Ray Computed,Universities,Young Adult,, Study,Surgical,Treatment, how much does a nerve root block cost

Date of Publication : 2011 Jul

Authors : Xu WX;Xu RM;Jiang WY;Ding WG;Zhu WM;Zhang C;Wang J;Lu D;

Organisation : Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China. xwxspine@tom.com

Journal of Publication : Zhongguo Gu Shang

Pubmed Link : https://www.ncbi.nlm.nih.gov/pubmed/21870391

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