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1.
Article in Chinese | MEDLINE | ID: mdl-17546882

ABSTRACT

OBJECTIVE: To evaluate surgical results of the titanium screw-plate internal fixation in treatment of the lower cervical fracture dislocation. METHODS: From September 2001 to March 2006, 31 patients (24 males, 7 females; age range, 20-63 years) with the lower cervical fracture dislocation were treated in our department. The injuries were caused by a road accident in 25 patients, a high crash in 4, and a heavy object crash in 2. The fracture dislocation occurred in the following cervical segments: C3 (1 patient), C1 (5 patients), C5 (12 patients), C6 (10 patients), and C7 (3 patients). The disease course ranged from 1 to 23 days. The associated spinal nerve root injury occurred in 29 patients. The Frankle scaling revealed that 14 patients were at Grade A, 3 at Grade B, 7 at Grade C, 3 at Grade D, and 2 at Grade E (associated nerve root injury with hand and shoulder numbness). The 29 patients underwent the spinal cord decompression, the grafting fusion of the small joints, and the lateral mass titanium screw-plate internal fixation; 2 patients without nerve injury underwent only the grafting fusion of the small joints and the lateral mass titanium screw-plate internal fixation. The bone fusion, cervical vertebra movement, and internal fixation condition were observed by the X-ray examinations postoperatively. The nerve function recovery was evaluated by the Frankle scaling system. RESULTS: The followed-up in all the patients for 6 months to 4 years revealed that the small joint fusion time was 3-6 months, with an average of 3. 6 months. The cervical X-ray films showed that there was no instability or fracture looseness of the internal fixation at 6 months. Among the 29 patients with the spinal nerve root injury, 14 were at Grade A preoperatively but 13 were improved at Grade B and 1 at Grade C postoperatively; 3 were at Grade B preoperatively but 2 were improved at Grade C and 1 at Grade D postoperatively; 7 were at Grade C preoperatively but 3 were improved at Grade D and 4 at Grade E postoperatively; 3 at Grade D preoperatively but all the 3 were improved at Grade E postoperatively; 2 were at Grade E preoperatively and remained unchanged postoperatively. In the 2 patients with only the nerve root injury, numbness disappeared soon after operation. CONCLUSION: This posterior approach has two advantages: the mobility range of the cervical vertebra can preserved to the greatest extent because of the short segment fixation; the better stability can obtained because of the titanium screw-plate internal fixation on the cervical joint-column to prevent the hyperextension and hyperflexion. Therefore, the titanium screw-plate internal fixation on the cervical lateral mass is an effective treatment of the lower cervical fracture dislocation.


Subject(s)
Bone Screws , Cervical Vertebrae/injuries , Fracture Fixation, Internal/methods , Joint Dislocations/surgery , Spinal Fractures/surgery , Adult , Bone Transplantation/methods , Cervical Vertebrae/diagnostic imaging , Cervical Vertebrae/surgery , Decompression, Surgical , Female , Follow-Up Studies , Humans , Male , Middle Aged , Radiography , Spinal Fractures/diagnostic imaging , Spinal Fusion , Spinal Nerve Roots/injuries , Titanium , Treatment Outcome
2.
Article in Chinese | MEDLINE | ID: mdl-12181794

ABSTRACT

OBJECTIVE: To study the difference between two internal fixation methods Kaneda and Z-plate in the operation of anterior surgical approach and decompression after thoracolumbar fractures. METHODS: The bio-mechanical structure of the internal fixture, install when operating, complications and time of the operation were compared in the cases by Kaneda and Z-plate. RESULTS: Z-plate method had the following characteristics: reasonable of the bio-mechanical structure; stability after internal fixture being installed; capability of completely propping up the injured centrum and keeping the height of middle-column; simple operation when installing internal fixture and shorter time of operation (1.1 hours, P < 0.05); fewer complications. CONCLUSION: Z-plate is an ideal internal fixation method in the operation of anterior surgical approach after thoracolumbar fractures.


Subject(s)
Fracture Fixation, Internal/methods , Lumbar Vertebrae/injuries , Spinal Fractures/surgery , Thoracic Vertebrae/injuries , Adolescent , Adult , Bone Plates , Female , Fracture Fixation, Internal/instrumentation , Humans , Internal Fixators , Male , Middle Aged
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