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Recherche d'indicateurs cliniques tridimensionnels d'aggravation et de correction par orthèse des scolioses idiopathiques modérées

Abstract : Scoliosis is a deformity of the spine in the 3 dimensions. The scoliosis curve is progressive during the whole growth. The mains issues are the prediction of the progression and early management of the deformity. Novel 3D Imaging modalities have made possible 3D reconstructions of the spine in standing position. A 3D pattern of progressive scoliotic curve has been described. This transverse plane 3D pattern is independent of the topography of the curve and may be described at an early stage of the development of the scoliosis. Prediction of the progression leads to anticipation of the treatment in progressive scoliosis. Brace treatment is the main option during growth. However, bracing is not consensual. The 3D effect of brace treatment has been studied on scoliotic patients. The results showed a high variability of the effect of the brace on all 3D spine and pelvic parameters. There is a lack of knowledge of the effect of brace treatment on the rib cage. A reason is the lack of accurate and reproducible method of 3D reconstruction of the rib cage in standing position. Such method based on calibrated biplanar X-rays, developed and validated in asymptomatic patients in our institution, was used and validated on scoliotic patients in this work. Analysis of the effect of brace treatment of the shape of the rib cage was therefore possible. A preliminary study was performed and showed a high variability of the effect of bracing on the rib cage. This study also put the basis of further clinical and biomechanical studies on correction mechanisms of brace treatment on the spine and the rib cage.
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https://pastel.archives-ouvertes.fr/pastel-00704638
Contributor : Aurélien Courvoisier <>
Submitted on : Tuesday, June 5, 2012 - 7:34:45 PM
Last modification on : Friday, October 23, 2020 - 4:35:22 PM
Long-term archiving on: : Thursday, December 15, 2016 - 10:37:52 AM

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  • HAL Id : pastel-00704638, version 1

Citation

Aurélien Courvoisier. Recherche d'indicateurs cliniques tridimensionnels d'aggravation et de correction par orthèse des scolioses idiopathiques modérées. Biomécanique [physics.med-ph]. Arts et Métiers ParisTech, 2012. Français. ⟨NNT : 2012ENAM0010⟩. ⟨pastel-00704638⟩

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