Abstract
ABSTRACT Objective To evaluate the immediate correction capacity of the Wood-Chêneau-Rigo brace (WCR), produced using digital technological resources and robotic engineering, in primary and secondary curves of adolescent idiopathic scoliosis (AIS). Methods A retrospective study was conducted of 138 patients with a diagnosis of AIS and who received a WCR brace from a laboratory that makes orthoses and orthopedic prostheses between 2019 and 2021. These individuals were submitted to an independent analysis of the radiographic parameters by a single researcher, the main outcome of which was the standardized measurement of the main and secondary curves using the Cobb method. The radiographs analyzed were performed in orthostasis before and immediately after the adaptation of the brace on the patient. The correction capacity was calculated as the ratio of the difference between the pre- and post-brace curves to the pre-brace curve. Results The mean correction with the WCR was 48.4% for the main curve and 41.0% for the secondary curve. The level of correction of the main curve was significantly higher in patients with a main curve with the apex of convexity in the thoracolumbar region (p = 0.004), especially in the left thoracolumbar region (p = 0.010); curves of magnitude between 10º and 24.9º (p <0.001); and curves classified as simple (p <0.001). Conclusion The use of the WCR, which is produced using modern technological resources, was effective in the immediate correction of AIS. Long-term studies on this new modality of conservative scoliosis treatment are necessary. Level of evidence III; Retrospective study.
Highlights
The level of correction of the main curve was significantly higher in patients with a main curve with the apex of convexity in the thoracolumbar region (p = 0.004), especially in the left thoracolumbar region (p = 0.010); curves of magnitude between 10o and 24.9o (p
Treatment with a brace is one of the main modalities of conservative treatment of Adolescent Idiopathic Scoliosis (AIS) and its main objective is to prevent the progression of scoliotic curves.[1]
This study was conducted between January 2019 and January 2021 with patients diagnosed with adolescent idiopathic scoliosis who were referred to an orthosis and prosthesis laboratory in Belo Horizonte to have a WCR brace made
Summary
Treatment with a brace is one of the main modalities of conservative treatment of Adolescent Idiopathic Scoliosis (AIS) and its main objective is to prevent the progression of scoliotic curves.[1] The major obstacles to conservative treatment with braces are low adherence, negative psychosocial impact in the adolescent, and correction of the deformity in a single plane These adversities are considered significant factors in the failure of conservative treatment and they, in theory, could contribute to the undesirable increase in surgically treated cases.[2,3] The Milwaukee and Boston braces are the most frequently used orthoses in the conservative treatment of AIS. The objective of this study is to evaluate the immediate correction capacity of the WCR brace, made using digital technological resources and robotic manufacturing, on AIS scoliotic curves
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