Volume 9 Supplement 1
End growth results of exercise treatment to avoid bracing in adolescents with idiopathic scoliosis: a prospective cohort controlled study
© Negrini et al; licensee BioMed Central Ltd. 2014
Published: 4 December 2014
Doubts on the efficacy of exercise treatment for adolescents with Idiopathic Scoliosis (IS) still exists.
To verify the effectiveness of exercises in everyday clinics.
Prospective observational controlled cohort study nested in a prospective database started in March 2003.
Setting: outpatient tertiary referral clinics.
Participants: consecutive patients from start of the database to 31/12/2010. Inclusion criteria: IS; Risser 0-2; 11° to 20° Cobb; age 10 years or more; first evaluation. Exclusion criteria: consultations only; immediate prescription of a brace.
Groups: Physiotherapic Specific Scoliosis Exercises - SEAS school (PSSE: at least 45 min/week, 3 cognitive-behavioral sessions/year); Controls (CON: less than 15 min/week); Usual Physiotherapy (UP: other institutes/protocols).
End-Of-Treatment (EOT): medical prescription, bracing, Risser 3.
Failures: bracing for scoliosis; EOT above 30°.
Statistical analysis: intent-to-treat (ITT: drop-outs included as failures) and efficacy (EA: only EOT patients). Relative Risk of failure (RR), 95% Confidence Interval (CI), and clinical and radiographic changes have been calculated.
Out of 327 patients, 34 (10%) were excluded due to bracing at first evaluation. We included 293 adolescents: 145 PSSE, 95 UP, 53 CON, with no differences at baseline. Physicians prescribed bracing (failure) without differences among groups.
Failures and drop-outs were 84 (28.7%) and 47 (16.0%) respectively: 21.4% and 18.6% in PSSE; 33.7% and 9.5% in UP; 39.6% and 20.8% in CON.
Efficacy analysis (RR): CON vs PSSE 1.90 (IC 1.48-2.33); UP vs PSSE 1.42 (1.01-1.82); CON vs UP: not significant.
Intent-to-treat (RR): CON vs PSSE 1.51 (1.21-1.80); CON vs UP 1.40 (1.08-1.72); UP vs PSSE: not significant.
At the end of exercises, aesthetics (TRACE) improved statistically in PSSE (1.8 points out of 12) and UP (1.5), not in CON; only PSSE improvement was statistically better than CON.
Patients performing UP or nothing (CON), compared to those treated with PSSE (SEAS), increase the risk of failure (bracing and/or 30° at EOT) 1.9 and 1.4 times respectively (EA).
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