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The Change of Kyphotic Angle and Anterior Vertebral Height after Posterior or Posterolateral Fusion with Transpedicular Screws for Thoracolumbar Bursting Fractures
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Jae Sung Ahn, June Kyu Lee, Deuk Soo Hwang, Young Mo Kim, Won Jung Kim, Kyu Hwan Byun
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J Korean Soc Fract 1999;12(2):379-387. Published online April 30, 1999
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DOI: https://doi.org/10.12671/jksf.1999.12.2.379
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 Abstract
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- The purposes of this study are to make an operative treatment option of thoracolumbar burst fractures by the degree of initial kyphotic deformity or by the degree of initial loss of anterior vertebral height. We analyzed sixty-three cases of one segmental thoracolumbar bursting fractures treated surgically by posterior or posterolateral fusion with short segmental transpedicular screws fixation method using Diapason or CD from January, 1992 to October, 1996. Indications of operative treatment were that the degree of initial kyphotic deformity was above 15degreesor initial loss of anterior vertebral height was above 30%. Minimum follow-up period was 12 months and the results were as follows : 1. Entirely, mean kyphotic angle was 21.6degreesinitially, 11.3degreespostoperatively and 14.2degrees at the end of follow-up. Mean anterior vertebral height was 59.6% initially, 83.8% postoperatively and 80.8% at the end of follow-up. So 10.3degrees , 24.2% was corrected postoperatively and loss of correction was 2.9degrees , 3% at the end of follow-up. 2. In the respect of the degree of initial kyphotic deformity, when compared above 30degrees with below 30degrees , loss of correction was 7.3degrees , 1.4degrees at the end of follow-up respectively and this result had significant difference between these two groups statistically. 3. In the respect of initial loss of anterior vertebral height, when compared above 55% with below 55%, loss of correction was 7.7%, 2.2% at the end of follow-up respectively and this result had significant difference between these two groups statistically. 4. In the respect of time interval from injury to operation, when compared within 2 weeks with after 2 weeks, respectively loss of correction was 1.7-2.2degrees , 3-3.9% and 4.1degrees , 6.7% at the end of follow-up and this results had significant difference between these two groups statistically. These data suggested if initial kyphotic angle is below 30degrees or initial loss of anterior vertebral height less than 55%, short segmental transpedicular screw fixation provide sufficient stability but if initial kyphotic angle is above 30degrees or initial loss of anterior vertebral height is above 55%,additional anterior interbody fusion may be considered.
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Citations
Citations to this article as recorded by  - Comparison of Percutaneous versus Open Pedicle Screw Fixation for Treating Unstable Thoracolumbar Fractures
Jin Young Han, Ki Youn Kwon
Journal of the Korean Fracture Society.2020; 33(1): 1. CrossRef - Nonfusion Method in Thoracolumbar and Lumbar Spinal Fractures
Yong-Min Kim, Dong-Soo Kim, Eui-Sung Choi, Hyun-Chul Shon, Kyoung-Jin Park, Byung-Ki Cho, Jae-Jung Jeong, Young-Chan Cha, Ji-Kang Park
Spine.2011; 36(2): 170. CrossRef - Efficiency of Implant Removal for Treatment of the Thoraco-lumbar Unstable Fractures - Multi Segments Fixation ยท Single Segment Fusion -
Heui-Jeon Park, Young-Jun Shim, Wan-Ki Kim, Tae-Yeon Cho, Sung-Min Kwon
Journal of Korean Society of Spine Surgery.2011; 18(3): 103. CrossRef - Change of Kyphotic Angle in Posterior Pedicle Screw Fixation for Thoracic and Lumbar Burst Fractures: Comparison Study by the Screw Fixation Level
Jeong-Gook Seo, Jong-Ho Park, Jeong-Seok Moon, Woo-Chun Lee
Journal of the Korean Fracture Society.2009; 22(1): 39. CrossRef - Clinical Efficacy of Implant Removal after Posterior Spinal Arthrodesis with Pedicle Screw Fixation for the Thoracolumbar Burst Fractures
Kyung-Jin Song, Kyu-Hyung Kim, Su-Kyung Lee, Jung-Ryul Kim
The Journal of the Korean Orthopaedic Association.2007; 42(6): 808. CrossRef - Results of Non-fusion Method in Thoracolumbar and Lumbar Spinal Fractures
Yong-Min Kim, Dong-Soo Kim, Eui-Seong Choi, Hyun-Chul Shon, Kyoung-Jin Park, Kyeong-Il Jeong, Young-Chan Cha, Hu-Shan Cui
Journal of Korean Society of Spine Surgery.2005; 12(2): 132. CrossRef - Relationships between Posterior Ligament Complex Injury and Plain Radiograph in Thoracolumbar Spinal Fracture
Heui-Jeon Park, Phil-Eun Lee, Byung-Ho Lee, Myung-Soon Kim
Journal of Korean Society of Spine Surgery.2005; 12(2): 140. CrossRef
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