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J Korean Soc Spine Surg. 2002 Sep;9(3):204-210. Korean. Original Article.
Park HJ , Kim IG , Kim WK .
Department of Orthopaedic Surgery, Wonju College of Medicine, Yonsei University, Wonju, Korea.

STUDY DESIGN: Retrospective study. OBJECTIVES: The purpose of this study is to compare the outcomes of short segment fusion and long segment fusion in posterior facet fracture-dislocation in the lumbar spine. SUMMARY OF LITERATURE REVIEW: There are many controversies exist about the treatment of fracture-dislocation in lumbar spine. MATERIAL AND METHODS: Sixteen patients with lumbar fracture-dislocation were studied retrospectively. The patients divided two groups; group one treated with one level above and below the fracture segment fixation, group two treated with two level above and below the fracture segment fixation. Two groups were compared with neurologic recovery, bladder function recovery and radiologic changes of deformities. RESULTS: The neurologic deficit in two groups was improved more than one Frankel grade at last follow up. Patients who showed intact dura were neurologically improved significantly than the patients whose dura was ruptured. Radiologic changes were not a sinificant difference in two groups. CONCLUSION: In lumbar fracture-dislocation treatment, one level above and below the fracture segment fixed with pedicle screw fixation system was an effective treatment method which preserved the mobile segment lumbar spine.

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