Abstract
Objective. To assess the growth and development of the fused spinal motion segment in children operated on with application of transpedicular fixation for congenital spinal deformity associated with disorders in vertebral formation. Material and Methods. The outcomes of surgery in 31 patients aged of 1 year and 9 months to 6 years and 11 months with a single congenital malformation of the spine were assessed. The surgery involved the hemivertebra resection, deformity correction with posterior instrumentation, spondylodesis, and posterior local fusion of fixed spinal motion segments with autobone. The rate of bone block formation and the size of fused spinal motion segment in the region of hemivertebra resection were assessed on the basis of postoperative X-rays. New functional unit of the spine was compared with the adjacent intact vertebral bodies in dynamics. Results. The mean follow-up period was 60 months. Solid bone fusion was achieved in all patients. The growth and development of the fused spinal motion segment in the region of hemivertebra resection kept pace with the growth of adjacent intact vertebrae. Conclusion. The fused spinal motion segment develops after hemivertebra resection without delay in increase in height and anterior-posterior size of fused vertebrae. After hemivertebra resection the fused spinal motion segment is developing without delay in growth of height and anterior-posterior size of vertebral bodies involved in the block. New functional unit of the spine consistently develops and enables normal growth and development of the whole spine.
Highlights
Growth of Spinal Motion Segment in Children after Vertebral Body Resection in the Thoracolumbar and Lumbar Spine S.V
To assess the growth and development of the fused spinal motion segment in children operated on with application of transpedicular fixation for congenital spinal deformity associated with disorders in vertebral formation
The rate of bone block formation and the size of fused spinal motion segment in the region of hemivertebra resection were assessed on the basis of postoperative X-rays
Summary
Оценка роста и развития блокированного позвоночно-двигательного сегмента у детей, оперированных по поводу врожденной деформации позвоночника на фоне нарушения формирования позвонков с применением транспедикулярной фиксации. Проведен анализ результатов хирургического лечения 31 пациента в возрасте от 1 года 9 мес. Выполненным после операции, оценивали темпы формирования костного блока и размеры блокированного позвоночно-двигательного сегмента в зоне экстирпации полупозвонка. Проводили динамическое сравнение развития новой функциональной единицы позвоночника с интактными соседними телами позвонков. Средний период наблюдения за пациентами составил 60 мес. Рост и развитие блокированного позвоночно-двигательного сегмента, сформированного в зоне экстирпации полупозвонка, не отставали от роста смежных интактных позвонков. Блокированный позвоночно-двигательный сегмент после экстирпации полупозвонка развивается без отставания показателей прироста высоты и переднезаднего размера тел позвонков, включенных в блок. Ключевые слова: блокированный позвоночно-двигательный сегмент, врожденный сколиоз, полупозвонок, рост позвоночника, транспедикулярная фиксация.
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