Burst-Shear Flexion-Distraction Injuries of the Lumbar Spine
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Abstract:
Seven cases of a previously undescribed lesion of the lumbar spine consisting of a burst fracture of the vertebral body associated with a posterior subluxation of the adjacent lower level facet joints are described. The lesion is due to a flexion-distraction mechanism. All seven cases reported involve a burst fracture (four upper burst, one burst-split, and two complete burst fractures). The dislocation line goes through the upper end-plate, through the posterior wall of the fractured vertebra, through the spinal canal, and through the caudal facet joints. The caudal disk is not destroyed primarily, but is involved in cases of burst-split or complete burst fractures. The treatment is surgical: reduction of the posterior subluxation, reduction of the burst fracture with anterior distraction (e.g., AO internal fixator or any other pedicle system allowing anterior distraction and reduction of the burst fracture), transpedicular bone grafting of the burst fracture if necessary, and fusion of the destroyed motion segment(s).Cite
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Most computational simulations of the human spine focus on one region of interest, often examining the lumbar or cervical spine alone. This allows for simplification the complex nature of the spine and reduction of computational costs. As computational power is increasing, we can begin to examine more of the spine simultaneously without overusing resources. In addition, while current spine simulations provide valuable information regarding local effects of spinal problems, such as scoliosis or intervertebral disc (IVD) degeneration [1], they do not evaluate how these injuries affect the spine as a whole. Understanding the motion implications of spine pathologies on the whole spine can influence medical treatment practices in the future.
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Amaç: Bu çalışmada minimal invaziv perkütan endoskopik diskektomi sonrası omurganın hareketli segmentinin biyomekanik değişiklikleri sağlam omurga ile karşılaştırıldı ve endoskopik diskektominin lomber kuzu omurgası üzerindeki etkileri araştırıldı
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欧洲脊柱周于2004年5月30日～6月5日在葡萄牙波尔多举行.本次大会由六个学会的会议组成,分别是:①The International Society for the Study of the Lumbar Spine(ISSLS).②Spine Society of Europe(SSE).③Cervical Spine Research Society European Section(CSRS-E).④Brazilian Spine Spine Society(BSS).⑤Iberolatinoamerican Spine Society ( Sociedad Iberolatinoamericana de Columna Vertebral-SILACO).⑥Asia Pacific Orthopaedic Association - Spine Section (APOA) .
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