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Head to Pelvis Alignment of Adolescent Idiopathic Scoliosis Patients Both in and Out of Brace

Article dans une revue avec comité de lecture
Auteur
COURTOIS, Isabelle
EBERMEYER, Eric
PIETTON, Raphaël
BOULOUSSA, Houssam
VIALLE, Raphaël
ccSKALLI, Wafa
ccVERGARI, Claudio
1001017 Institut de Biomécanique Humaine Georges Charpak [IBHGC]

URI
http://hdl.handle.net/10985/18977
DOI
10.1007/s00586-019-05981
Date
2019
Journal
European Spine Journal

Résumé

Purpose: To determine the short-term effect of bracing of adolescent idiopathic scoliotic (AIS) patients on the relationships between spinopelvic parameters related to balance, by comparing their in and out-of-brace geometry and versus healthy subjects. Methods: Forty-two AIS patients (Cobb angle 29° ± 12°, ranging from 16° to 61°) with a prescription of orthotic treatment were included retrospectively and prospectively. They all underwent biplanar radiography and 3D reconstruction of the spine and pelvis before bracing as well as less than 9 months after bracing. Eighty-three age-matched healthy adolescents were also included as control group and underwent biplanar radiography and 3D reconstruction. Results: Sacral slope was higher in AIS than healthy patients (p = 0.005). Bracing induced large changes of pelvic tilt (between - 9° and 9°), although patients' sagittal spinopelvic alignment tended to remain within the normality corridors defined by the healthy patients. Patients had flatter backs compared to healthy subjects and bracing further reduced their spinal curves. The head tended to remain above the pelvis in-brace. Conclusion: Analysis of sagittal alignment from head to pelvis showed that bracing further flattened the patients' backs and induced large compensating reorientations of the pelvis. Sagittal balance should be included in the planning and evaluation of brace treatment, since it could play a role in its outcome. These slides can be retrieved under Electronic Supplementary Material.

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Documents liés

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  • Simulation of orthotic treatment in adolescent idiopathic scoliosis using a subject-specific finite element model 
    Communication avec acte
    COURTOIS, Isabelle; EBERMEYER, Eric; BOULOUSSA, Houssam; VIALLE, Raphaël; ccSKALLI, Wafa; ccVERGARI, Claudio (Informa UK Limited, 2015)
    Adolescent idiopathic scoliosis (AIS) is a threedimensional deformity of the spine, often progressing rapidly during the growth spurt. Severe scoliosis can lead to significant degradation of quality of life and functional ...
  • Experimental validation of a patient-specific model of orthotic action in adolescent idiopathic scoliosis 
    Article dans une revue avec comité de lecture
    COURTOIS, Isabelle; EBERMEYER, Eric; VIALLE, Raphaël; BOULOUSSA, Houssam; ccSKALLI, Wafa; ccVERGARI, Claudio (Springer Verlag, 2016)
    Purpose Personalized modeling of brace action have potential in improving brace efficacy in adolescent idiopathic scoliosis (AIS). Model validation and simulation uncertainty are rarely addressed, limiting the clinical ...
  • Towards a predictive simulation of brace action in adolescent idiopathic scoliosis 
    Article dans une revue avec comité de lecture
    CHEN, Zhuowei; ROBICHON, Léopold; COURTOIS, Isabelle; EBERMEYER, Eric; VIALLE, Raphaël; LANGLAIS, Tristan; PIETTON, Raphaël; ccSKALLI, Wafa; ccVERGARI, Claudio (Taylor & Francis, 2020)
    Bracing is the most common treatment to stop the progression of adolescent idiopathic scoliosis. Finite element modeling could help improve brace design, but model validation is still a challenge. In this work, the clinical ...
  • Effect of curve location on the severity index for adolescent idiopathic scoliosis: a longitudinal cohort study 
    Article dans une revue avec comité de lecture
    ccVERGARI, Claudio; ccSKALLI, Wafa; ABELIN-GENEVOIS, Kariman; BERNARD, Jean Claude; HU, Zongshan; CHENG, Jack Chun Yiu; CHU, Winnie Chiu Wing; ASSI, Ayman; KARAM, Mohammad; GHANEM, Ismat; BASSANI, Tito; GALBUSERA, Fabio; SCONFIENZA, Luca Maria; BRAYDA-BRUNO, Marco; COURTOIS, Isabelle; EBERMEYER, Eric; VIALLE, Raphael; LANGLAIS, Tristan; DUBOUSSET, Jean (Springer Science and Business Media LLC, 2021)
    Objectives Adolescent idiopathic scoliosis (AIS) is the most common spinal disorder in children. A severity index was recently proposed to identify the stable from the progressive scoliosis at the first standardized ...
  • Quasi-automatic early detection of progressive idiopathic scoliosis from biplanar radiography: a preliminary validation 
    Article dans une revue avec comité de lecture
    COURTOIS, Isabelle; EBERMEYER, Eric; ABELIN-GENEVOIS, Kariman; KIM, Youngwoo; LANGLAIS, Tristan; VIALLE, Raphaël; ASSI, Ayman; GHANEM, Ismat; DUBOUSSET, Jean; ccSKALLI, Wafa; ccGAJNY, Laurent; ccVERGARI, Claudio (Springer Verlag, 2019)
    Purpose To validate the predictive power and reliability of a novel quasi-automatic method to calculate the severity index of adolescent idiopathic scoliosis (AIS). Methods Fifty-five AIS patients were prospectively ...

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