The Effect of Vertebral Wedge Angle to the Change of Kyphotic Angle by the Posterior Instrumentation Method in Thoracolumbar Spine Fracture (흉요추부 골절에서 후방 고정술식에 따른 설상각 교정이 후만의 진행에 미치는 영향)

Seok Kon Kim (김석곤); 김명호; Lee, Sung Ho (이성호); 민상혁; 이진원

The Effect of Vertebral Wedge Angle to the Change of Kyphotic Angle by the Posterior Instrumentation Method in Thoracolumbar Spine Fracture

Journal of Korean Society of Spine Surgery
Abbr : J Kor Spine Sur
2009, 16(3), pp.160-166
Publisher : Korean Society Of Spine Surgery
Research Area : Medicine and Pharmacy > Orthopedic Surgery

Seok Kon Kim ¹, 김명호 ¹, Lee, Sung Ho ¹, 민상혁 ¹, 이진원 ¹

¹단국대학교

Candidate

ABSTRACT

Study design: Retrospective study Objectives: To examine the effect of transpedicular screw fixation on fractured vertebrae about the vertebral wedge angle (VWA) after posterior instrumentation of the thoracolumbar fracture, determine the effect of reduced VWA on the change in the Kyphotic angle (KA), and minimize loss of reduction of KA. Summary of the literature review: Maintenance of the KA of a thoracolumbar fracture after surgery is important for the radiologic and functional outcome. Materials and methods: Forty patients, who had undergone posterior instrumentation in a thoracolumbar fracture between February 2006 and February 2008 and followed-up for more than one year, were enrolled in this study. The patients were divided into two groups according to transpedicular screw fixation (Group A) or not (Group B) including fractured vertebrae. The evaluation was performed by measuring the changes in the KA and VWA taken after the injury, immediate after surgery and 1 year after surgery. Results: There was correlation between groups A (transpedicular screw fixation on fractured vertebrae) and B (no transpedicular screw fixation on the fractured vertebrae) regarding the correction of the VWA and the loss of correction KA, (p<0.05). Conclusions: Reduction of the VWA is an important factor for preventing reduction loss of the KA, and transpedicular screw fixation including fractured vertebrae would help reduce the VWA. Therefore, the operator must pay attention to the increase in VWA to maintain the KA through short segment transpedicular screw fixation including fractured vertebrae.

KEYWORDS

Thoracolumbar spine, Fracture, Transpedicular screw fixation, Vertebral wedge angle, Kyphotic angle

Citation status

* References for papers published after 2023 are currently being built.

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