The change on vertebral axial rotation after posterior instrumentation of idiopathic scoliosis

Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery
Aurélien CourvoisierRémi Kohler

Abstract

Agreement between the correction objectives and the instrumentation strategies remains controversial in idiopathic scoliosis. Most studies have focus on the frontal and sagittal plane. The goal of this study was to evaluate the change on vertebral axial rotation after posterior instrumentation in fused and unfused segments. Fourteen patients operated on for idiopathic scoliosis were prospectively included. Fusion and instrumentation were done by posterior approach. All patients had a pre-operative and a 10-day post-operative radiological evaluation with the EOS system. Axial orientation of the vertebrae with special interest to the apical, junctional, and unfused areas was obtained thanks to the reconstruction software. Mean apical vertebra axial rotation statistically decreased from 21° pre-operatively to 13° post-operatively. But, there were no statistically significant differences between pre-operative and post-operative mean axial intervertebral rotations in the main curve and axial rotation of the non-instrumented lower counter curve. 3D analysis of the spine in standing position is a great advancement for post-operative analysis of adolescent idiopathic scoliosis (AIS) corrections. This study confirmed that actual instrum...Continue Reading

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Citations

Mar 2, 2018·Clinical Spine Surgery : a Spine Publication·Jérémy AlliaFederico Solla
Oct 5, 2019·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Shahin EbrahimiWafa Skalli
Dec 29, 2016·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Jihane RouissiRaphaël Vialle
Mar 23, 2018·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Saba PashaWudbhav N Sankar

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