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Open Access Highly Accessed Research

The Sforzesco brace can replace cast in the correction of adolescent idiopathic scoliosis: A controlled prospective cohort study

Stefano Negrini1*, Salvatore Atanasio1, Francesco Negrini2, Fabio Zaina1 and Gianfranco Marchini3

Author Affiliations

1 ISICO (Italian Scientific Spine Institute), Via R. Bellarmino 13/1, 20121 Milan, Italy

2 Vita e Salute University, Via Olgettina, Milan, Italy

3 Centro Ortopedico Lombardo, Via Passeroni 6, Milan, Italy

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Scoliosis 2008, 3:15  doi:10.1186/1748-7161-3-15

Published: 31 October 2008

Abstract

Background

The conservative treatment of adolescent idiopathic scoliosis (AIS) has traditionally been divided into two phases–correction and stabilisation–and casts, even if less used today, can be considered the best standard in the correction phase. Till the present, however, no comparison between cast and brace efficacy has been proposed.

Methods

This is a prospective cohort study with a retrospective control group. The aim was to verify if it is possible to obtain with a specifically developed rigid brace results comparable to a cast. We considered fifty AIS patients who had refused surgery, aged 14.1 ± 1.5 years, with 46.7 ± 7.8° Cobb scoliosis. Thirty-two consecutive patients (with no drop-outs) were prospectively followed up with the Sforzesco brace (SBG), and compared against a retrospective group of eighteen patients treated with the Risser cast (RCG). The treatment time (the total correction phase) was 19 ± 3 months. Out-of-brace x-rays were compared, as well as clinical results.

Results

Compliance and hours of treatment were higher in the RCG while all the other parameters were not different. We observed a reduction of 6° Cobb and an important aesthetic gain in both groups (P<0.05). Three patients (6%) worsened, while 56% improved (36% at least 10°, and 14% 15° or more). The SBG did show results comparable to the RCG, with only minor differences in terms of scoliosis correction. On the contrary, straightening of the spine (decrease of the sagittal physiological curves) was much higher in the RCG but was not clinically significant in the SBG.

Conclusion

In the corrective phase of AIS treatment it is possible with a specific rigid brace (Sforzesco – SPoRT concept) to obtain scoliosis correction similar to cast. Due to the human and social costs of casting, and worst sagittal profile results, Sforzesco brace should be the preferred method wherever possible.