Lyon bracing in adolescent females with thoracic idiopathic scoliosis: a prospective study based on SRS and SOSORT criteria

BMC Musculoskeletal Disorders

Lorenzo Aulisa³  Emanuele Marzetti³  Marco Giordano¹  Francesco Falciglia¹  Vincenzo Guzzanti²  Angelo G. Aulisa¹ 

[1] U.O.C. of Orthopedics and Traumatology, Children’s Hospital Bambino Gesù, Institute of Scientific Research, P.zza S. Onofrio 4, Rome 00165, Italy;University of Cassino, Cassino 03043, FR, Italy;Department of Orthopedics, University Hospital “Agostino Gemelli”, Catholic University of the Sacred Heart School of Medicine, Rome 00168, Italy

关键词: conservative treatment;    SOSORT guidelines;    Lyon brace;    Scoliosis Research Society Criteria (SRS);    Adolescent idiopathic scoliosis;   

Others  :  1232762
DOI  :  10.1186/s12891-015-0782-0

 received in 2015-08-25, accepted in 2015-10-17,  发布年份 2015

【 摘 要 】

Background

The Lyon brace is commonly prescribed in many European countries to patients with thoracic curves and is based on the three-point pressure system.

The purpose of this study was to evaluate the efficacy of Lyon bracing for the conservative treatment of adolescent females with idiopathic thoracic curves in a case series selected on the basis of the Scoliosis Research Society (SRS) Committee on Bracing and Nonoperative Management Standardization Criteria and followed the guidelines on management of idiopathic scoliosis with corrective braces, proposed by the International Society on Scoliosis Orthopaedic and Rehabilitation Treatment (SOSORT).

Methods

Prospective study based on an ongoing database.

From 1297 patients treated for idiopathic scoliosis between 1995 and 2014 fulfill the inclusion criteria 102 patients treated with Lyon brace. Of these, 69 patients had a definite outcome, 17 have abandoned treatment e 16 are still in treatment. The 104 patients were adolescent females with curvatures in the thoracic spine and a pre-treatment Risser score ranging from 0 to 2. All patients were prescribed with full-time Lyon bracing. The minimum duration of follow-up was 24 months after the end of weaning (mean: 41.64 ± 31.45 months). Anteroposterior radiographs were used to estimate the curve magnitude (C _M ) at 5 time points: beginning of treatment (t1), one year after the beginning of treatment (t2), intermediate time between t1 and t4 (t3), end of weaning (t4), 2-year minimum follow-up from t4 (t5). Three outcomes were distinguished: curve correction, curve stabilization and curve progression.

Results

The results from our study showed that of the 69 patients with a definite outcome the C _Mmean value was 31.51° ± 4.34 SD at t1 and 20° ± 7.6 SD at t5. Curve correction was accomplished in 85.5 % of patients, curve stabilization was obtained in 13 % of patients and curve progression was evident in only 1.5 %. None of the patients were recommended surgery post-bracing. Of 17 patients who abandoned the treatment, at the time of abandonment (14.4 age) have achieved curve correction in 13 cases (77 %), stabilization in 53 cases (18 %) and progression in 1 case (5 %).

Conclusion

The Lyon brace, through its biomechanical action on vertebral modeling, is highly effective in correcting thoracic curves in particularly when the SOSORT guidelines were adopted in addition to the SRS criteria.

【 授权许可】

   
2015 Aulisa et al.

【 图 表 】

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