Comparison of brace treatment outcomes for patients with adolescent idiopathic scoliosis by degree of bone…

Cohort studyEuropean spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society· Jul 2026

Comparison of brace treatment outcomes for patients with adolescent idiopathic scoliosis by degree of bone maturity: A study using the distal radius and ulna classification.

Takahiro Mui, Hideki Shigematsu, Sachiko Kawasaki … Kenji Kawamura

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Pediatric OrthopedicsCohort studyTreatmentQ1IF 3.2

Only 34% of high-risk adolescent scoliosis patients had curve progression prevented by bracing

Comparison of brace treatment outcomes for patients with adolescent idiopathic scoliosis by degree of bone maturity: A study using the distal radius and ulna classification.

Takahiro Mui … Kenji Kawamura

European spine journal · Jul 2026 · Q1 in Orthopedics

Background

The effectiveness of brace treatment in preventing curve progression across different stages of skeletal maturity, as defined by the distal radius and ulna classification, remains unclear.

Purpose

This retrospective cohort study aimed to compare brace treatment outcomes in patients with adolescent idiopathic scoliosis (adolescent idiopathic scoliosis) according to skeletal maturity using the distal radius and ulna (distal radius and ulna) classification.

Methods

The study reviewed 69 patients with adolescent idiopathic scoliosis treated with an underarm brace between 2014 and 2022 and followed them until skeletal maturity.

n = 69 patients

Results

Curve progression was prevented in about a third of high-risk skeletal-maturity patients on braces.

34.3%

High-risk

80%

Moderate-risk

100%

Low-risk

More results

The high-risk group differed significantly from the other groups.

Surgical-threshold prevention rates were 70.4%, 80.0%, and 100% in the high-, moderate-, and low-risk groups, respectively (p = 0.122).

In the high-risk group, patients with Cobb angles ≥ 30° more frequently reached the surgical threshold.

“

Conclusion

These findings offer patients and families valuable guidance regarding curve control with brace treatments.

Comparison of brace treatment outcomes for patients with adolescent idiopathic scoliosis by degree of bone maturity: A study using the distal radius and ulna classification.

Comparison of brace treatment outcomes for patients with adolescent idiopathic scoliosis by degree of bone maturity: A study using the distal radius and ulna classification.

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