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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVIII | Pages 210 - 210
1 Sep 2012
SAGITTAL SPINOPELVIC PARAMETERS OF CHILDREN WITH EARLY ONSET SCOLIOSIS
El-Hawary R Sturm P Cahill PJ Samdani A Vitale MG Gabos PG Bodin N d'Amato C Smith J Harris C
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Purpose

Spinopelvic parameters describe the orientation, shape, and morphology of the spine and pelvis. In children without spinal deformity, these parameters have been shown to change during the first ten years of life; however, spinopelvic parameters have yet to be defined in children with significant Early Onset Scoliosis (EOS). The purpose of this study is to examine the effects of EOS on sagittal spinopelvic alignment.

Method

Standing, lateral radiographs of 82 untreated patients with EOS greater than 50 degrees were evaluated. Sagittal spine parameters (sagittal balance, thoracic kyphosis (TK), lumbar lordosis (LL)) and sagittal pelvic parameters (pelvic incidence (PI), pelvic tilt (PT), sacral slope (SS), modified pelvic radius angle (PR)) were measured. These results were compared to those reported by Mac-Thiong et al (Spine, 2004) for a group of asymptomatic (i.e. without spinal deformity) children of similar age.

Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXVII | Pages 15 - 15
1 Jun 2012
SAGITTAL SPINOPELVIC PARAMETERS OF CHILDREN WITH EARLY-ONSET SCOLIOSIS
El-Hawary R Sturm P Cahill P Samdani A Vitale M Gabos P Bodin N d'Amato C Harris C Smith J
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Introduction

Spinopelvic parameters describe the orientation, shape, and morphology of the spine and pelvis. In children without spinal deformity, these parameters change during the first 10 years of life; however, spinopelvic parameters need to be defined in children with significant early-onset scoliosis (EOS). The purpose of this study is to examine the effects of EOS on sagittal spinopelvic alignment. We hypothesise that sagittal spinopelvic parameters for patients with EOS will differ from age-matched children without spinal deformity. These values will act as a baseline for future studies and may predict postoperative complications such as proximal junctional kyphosis and implant failure in children being treated with growing systems.

Methods

Standing, lateral radiographs of 82 untreated patients with EOS with Cobb angle greater than 50° were evaluated. Sagittal spine parameters (sagittal balance, thoracic kyphosis [TK], lumbar lordosis [LL]) and sagittal pelvic parameters (pelvic incidence [PI], pelvic tilt [PT], sacral slope [SS], and modified pelvic radius angle [PR]) were measured. These results were compared with those reported by Mac-Thiong and colleagues (Spine, 2004) for a group of similar aged children without spinal deformity.