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Scoliosis and Spinal Disorders
Published in: Scoliosis and Spinal Disorders 1/2015

Open Access 01-12-2015 | Research

Efficacy of the Osaka Medical College (OMC) brace in the treatment of adolescent idiopathic scoliosis following Scoliosis Research Society brace studies criteria

Authors: Hiroshi Kuroki, Naoki Inomata, Hideaki Hamanaka, Kiyoshi Higa, Etsuo Chosa, Naoya Tajima

Published in: Scoliosis and Spinal Disorders | Issue 1/2015

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Abstract

Background

The efficacy of brace treatment for patients with adolescent idiopathic scoliosis (AIS) remains controversial. To make comparisons among studies more valid and reliable, the Scoliosis Research Society (SRS) has standardized criteria for brace studies in patients with AIS. The purpose of this study was to evaluate the efficacy of the Osaka Medical College (OMC) brace for AIS in accordance with the modified standardized criteria proposed by the SRS committee on bracing and non-operative management.

Methods

From 1999 through 2010, 31 consecutive patients with AIS who were newly prescribed the OMC brace and met the modified SRS criteria were studied. The study included 2 boys and 29 girls with a mean age of 12 years and 0 month. Patients were instructed to wear the brace for a minimum of 20 hours per day at the beginning of brace treatment. The mean duration of brace treatment was 4 years and 8 months. We examined the initial brace correction rate and the clinical outcomes of main curves evaluated by curve progression and surgical rate, and the compliance evaluated by the instruction adherence rate for all cases. The clinical course of the brace treatment was considered progression if ≥6° curvature increase occurred and improvement if ≥6° curvature decrease occurred according to SRS judgment criteria.

Results

The average initial brace correction rate was 46.8%. In 10 cases the curve progressed, 6 cases the curve improved, and 15 cases the curve remained unchanged (success rate: 67.7%). The mean instruction adherence rate, that was defined the percentage of the visits that patients declared they mostly followed our instruction to total visits, was 53.7%. The success rate was statistically higher in the patient group whose instruction adherence rate was greater than 50% (88.2%) as compared with in those 50% or less (42.8%).

Conclusions

OMC brace treatment for AIS patients could alter the natural history and significantly decreased the progression of curves to the threshold for surgical intervention. Better instruction adherence of brace wear associated with greater success.
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Metadata
Title
Efficacy of the Osaka Medical College (OMC) brace in the treatment of adolescent idiopathic scoliosis following Scoliosis Research Society brace studies criteria
Authors
Hiroshi Kuroki
Naoki Inomata
Hideaki Hamanaka
Kiyoshi Higa
Etsuo Chosa
Naoya Tajima
Publication date
01-12-2015
Publisher
BioMed Central
Published in
Scoliosis and Spinal Disorders / Issue 1/2015
Electronic ISSN: 2397-1789
DOI
https://doi.org/10.1186/s13013-015-0036-9

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