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European Journal of Medical Research

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Open Access 01-12-2020 | Scoliosis | Research

Pelvic rotation parameters related to in-brace correction in patients with idiopathic scoliosis

Authors: Kepeng Li, Jun Miao, Jingan Zhang

Published in: European Journal of Medical Research | Issue 1/2020

Abstract

Background

To identify the pelvic parameters affecting in-brace correction (IBC) in patients with idiopathic scoliosis (IS).

Methods

Patients with IS receiving Chêneau brace treatment in our scoliosis center from January 2019 to November 2019 were retrospectively analyzed. Pelvic rotation parameters, including pelvic incidence (PI), sacral slope (SS), pelvic tilt (PT), L/R ratio, were collected. Other radiographic data, such as Risser sign, coronal and sagittal balance, curve location, kyphosis, lordosis of each patient were also recorded to analyze their correlations with IBC. Correlation analyses were performed to identify the classified variables influencing IBC. The principal component analysis was used to extract common factors of radiographic parameters to eliminate interaction effects. The linear regression equation was established using principal components, the variables influencing IBC were identified.

Results

A cohort of 44 patients with IS (36 girls and 8 boys) were included in the present study. The mean IBC was 49.87% (range, 3%–100%). IBC of lumbar IS was negatively correlated with apical rotate factor (ARF, B = –0.385), mainly consisted of pelvic coronal plane rotation (PCPR, 0.449), Cobb angle (CA, 0.575), apical vertebral rotation (AVR, 0.918), and pelvic rotate factor (PRF, B = –0.387), mainly consisted of PT (0.861), PI (0.728), PCPR (–0.570). The regression equation of lumbar IS had statistical significance (F = 6.500, P = 0.005, R2 = 0.317), whereas statistically significance was not found in the regression equation of thoracic IS (F = 2.913, P = 0.106). The remaining parameters were not related to IBC.

Conclusions

For lumbar IS, ARF and PRF have negative effects on IBC, coronal and sagittal rotation of the pelvis is related to IBC.

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Title: Pelvic rotation parameters related to in-brace correction in patients with idiopathic scoliosis
Authors: Kepeng Li
Jun Miao
Jingan Zhang
Publication date: 01-12-2020
Publisher: BioMed Central
Keywords: Scoliosis
Idiopathic Scoliosis
Published in: European Journal of Medical Research / Issue 1/2020
Electronic ISSN: 2047-783X
DOI: https://doi.org/10.1186/s40001-020-00437-y

At a glance: The STEP trials

Springer Medicine

Pelvic rotation parameters related to in-brace correction in patients with idiopathic scoliosis

Abstract

Background

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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