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KMID : 0388720080150040236
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Journal of Korean Society of Spine Surgery
2008 Volume.15 No. 4 p.236 ~ p.242
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Treatment of Combined Degenerative Lumbar Disease and Adjacent Vertebral Fracture
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Cho Jae-Lim
Sung Il-Hoon
Baek Seung-Wook
Park Ye-Soo
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Abstract
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Study Design: Retrospective study
Objective: To analyze the treatment results of vertebroplasty in patients who suffered osteoporotic compression fractures during conservative treatments for pre-existing degenerative lumbar disease.
Summary and Literature Review: Whilst spinal fusion has shown satisfactory clinical results, solid fusion has been reported to accelerate the degenerative changes at the unfused adjacent levels. Therefore, the level of spinal fusion in patients with compression fractures and pre-existing degenerative lumbar disease is controversial. Few studies have evaluated the outcomes of spinal fusion and adjacent segment vertebroplasty.
Materials and Methods: A retrospective review was carried out on 28 patients who suffered the osteoporotic compression fractures during conservative treatment for pre-existing degenerative lumbar disease. Posterolateral fusion and vertebroplasty were performed for degenerative disease and compression fractures. The average fusion level was 1.82. The mean compressed vertebral bodies were 1.68. The radiology results were evaluated to determine the progression of the compression rate and fractures in the adjacent segment. The clinical results were evaluated using the Denis pain scale for compression fractures and Katz satisfaction scale for degenerative lumbar disease.
Results: The average compression rate was 30.2% preoperatively, 21.4% postoperatively, and 24.6% at the final follow-up. There was no fracture in the adjacent segment. Clinically, the preoperative Denis score was P3 and P4 in 8 and 20 patients, respectively. On the other hand, the postoperative Denis score was P1, P2 and P3 in 8, 19 and 1 patients, respectively. In regard to degenerative diseases, the overall satisfaction was 82.1%.
Conclusion: The stability of fracture sites in vertebroplasty of patients with pre-existing lumbar disease was confirmed. However, further compression of the fractured vertebral body was observed after vertebroplasty in long fusion. Therefore, a followup study of more cases will be necessary to confirm the changes in the vertebroplasty site.
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KEYWORD
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Degenerative lumbar disease, Osteoporotic compression fractures, Posterolateral fusion, Vertebroplasty
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