Analysis of the interface pressure exerted by the Chêneau brace in patients with double-curve adolescent idiopathic scoliosis

Ahmad, Asliza and Abu Osman, Noor Azuan and Mokhtar, Abdul Halim and Mehmood, Waqas and Kadri, Nahrizul Adib (2019) Analysis of the interface pressure exerted by the Chêneau brace in patients with double-curve adolescent idiopathic scoliosis. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 233 (9). pp. 901-908. ISSN 0954-4119, DOI https://doi.org/10.1177/0954411919856144.

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Official URL: https://doi.org/10.1177/0954411919856144

Abstract

The Chêneau brace has proven its effectiveness in treating the adolescent idiopathic scoliosis patients. However, no studies reported on the analysis of interface pressure in double-curve adolescent idiopathic scoliosis patients. In this study, we evaluated the interface pressure of the Chêneau brace action in double-curve adolescent idiopathic scoliosis patient treatment. A total of 72 (60 girls and 12 boys) patients aged 10 years and above participated in the study. The F-Socket transducers (9811E) were used to evaluate the pressure on the right thoracic and left thoracolumbar curves between normal and maximum strap tension and variation in these interface pressures with other tasks. Each patient was asked to do nine different tasks corresponding to daily activities, and the interface pressures for each activity were recorded for both normal and maximum tension. The resultant mean peak pressure in double-curve adolescent idiopathic scoliosis was higher for right thoracic curves than left thoracolumbar curves in all tasks. The pressure significantly increased at the task of maximal inspiration (p < 0.0001) for both types of curves for normal and maximum tension. The degrees of correction for the thoracic and thoracolumbar curves were 23.2% and 34.5%, respectively, after 6 months of brace use (23 h per day). Hence, we could not find any substantial correlation between mean peak pressure in the standing position and degree of scoliosis correction for two curves having r = 0.158, p = 0.356 and r = –0.024, p = 0.889 values. © IMechE 2019.

Item Type: Article
Funders: The work has been funded by grants: Platcom HiP2 and FG004-17AFR
Uncontrolled Keywords: Adolescent idiopathic scoliosis; Chêneau brace; F-Socket; interface pressure
Subjects: R Medicine
Divisions: Faculty of Engineering
Faculty of Medicine
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 19 May 2020 00:31
Last Modified: 19 May 2020 00:31
URI: http://eprints.um.edu.my/id/eprint/24317

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