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Evaluation of conservative scoliosis treatment compliance


The main purpose of this study is to evaluate orthosis treatment compliance of patients affected by adolescent idiopathic scoliosis (AIS).


We examined 106 patients (96 females, 10 males) affected by AIS. The patients were treated with different types of orthoses (Lionese, Milwaukee, P.A.S.B., Lionese+P.A.S.B., Milwaukee+P.A.S.B., Milwaukee+Lionese). In order to evaluate the compliance and the final results related to the patient's behavior, we considered the following: the patient's compliance as related to bracing method, sex, trend of the spine curve, and age; the degree of scoliosis; and the duration of treatment.


Our study indicated a greater number of highly compliant patients (66) than incompliant (40). For the incompliant group, 52.5% had not worn the brace for long time (more than 3 months), and the others only wore the brace in the summer or at school. Inside the incompliant group, 50% had been treated with the Milwaukee brace. It was also noticed that in mixed-brace treatments, the Milwaukee brace raised the percentage of incompliance. For the compliant group, 47% had been treated only with the P.A.S.B. brace and 6% with a mixed-brace treatment, including P.A.S.B. 28.3% of the patients had ceased the treatment before the scheduled date. Patients who terminated the treatment at an age of more than 17 years had a higher degree of improvement (10.81%) compared with an age lower than 17 years (9.38° Cobb). When the brace was discarded, patients who did not complete the treatment course (more than 50% wore P.A.S.B.) showed a slightly greater improvement than those who completed the treatment.


The study indicated that brace type, patient compliance, and completion of the treatment until skeletal maturity are very important for patient outcome in the improvement of AIS. Patient compliance depends on the orthoses type and not on the sex. The compliance of Milwaukee brace is lower than the P.A.S.B., because the Milwaukee brace is more visible and has the chin support, while the P.A.S.B. fits better and is less visible. Treatment incompliance is caused by several factors, including psychological elements and radiologic improvement of the spine curve that the patient mistakenly interprets as full recovery.

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Correspondence to AG Aulisa.

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Open Access This article is published under license to BioMed Central Ltd. This is an Open Access article is distributed under the terms of the Creative Commons Attribution 2.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Aulisa, A., Guzzanti, V., Perisano, C. et al. Evaluation of conservative scoliosis treatment compliance. Scoliosis 4 (Suppl 2), O36 (2009).

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