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KMID : 1007020140120020053
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Korean Soceity of Osteroporosis
2014 Volume.12 No. 2 p.53 ~ p.57
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The Sagittal Alignment of Spine in Conservatively Treated Osteoporotic Compression Fractures of Thoracolumbar Junction
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Lee Seung-Hyun
Yang Jun-Young
Park Jun-Yeong
Lee June-Kyu
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Abstract
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Objectives: To evaluate the radiological outcomes of conservative treatment for osteoporotic compression fractures in thoracolumbar junction
Materials and Methods: 20 osteoporotic compression fracture cases of thoracolumbar junction (group I) which were treated conservatively using TLSO brace were evaluated compared with 20 osteoporotic spine cases (group II), between August 2010 and March 2012. The mean age was 65.3, ranging from 57 to 71 years old. The average follow up period was 27.4, ranging from 17 to 35 months. The bone marrow density (BMD) was recorded at the initial assessment. The lumbar lordotic angles with compression ratios on the initial and the last follow-up plain lateral radiograph were measured, and the sagittal alignments of spine were evaluated.
Results: In group I, the average compression ratios initially and at the last follow up were 23.5% and 33.7% respectively, and the average lumbar lordotic angles initially and at the last follow up were 30.8° and 22.6° respectively. In group II, the average lumbar lordotic angles initially and at the last follow up were 40.3° and 39.9° respectively. In group I, the compression ratio was significantly increased, and the lumbar lordotic angle was decreased at the final follow up. In group II, the difference of lumbar lordotic angles was not significant statistically.
Conclusions: In most, the osteoporotic compression fractures can be successfully managed conservatively. But, in some cases of thoracolumbar junction, the further collapse of vertebral body and the change of lumbar lordotic angle can be developed, and then sagittal alignment of spine can be disrupted.
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KEYWORD
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Compression fracture, Osteoporosis, Sagittal alignment, Thoracolumbar junction
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