Previously treated versus untreated scoliosis: are results different?
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ORAL PRESENTATION
Open Access
Previously treated versus untreated scoliosis: are results different? Fabio Zaina1*, Sabrina Donzelli1, Monia Lusini1, Salvatore Minnella1, Stefano Negrini2 From 11th International Conference on Conservative Management of Spinal Deformities - SOSORT 2014 Annual Meeting Wiesbaden, Germany. 8-10 May 2014 Background Every day we see patients coming after some kind of brace treatment for adolescent idiopathic scoliosis (AIS). Literature is made mainly by studies about untreated patients, so we don’t know what to expect when we start such a treatment. Aim The aim of the present study was to compare the results of previously treated scoliosis compared to untreated ones. Design Prospective observational controlled cohort study nested in a prospective database started in March 2003. Methods Inclusion criteria: patients that started a brace treatment at their first clinical evaluation at our institute between 2003 and 2009 for AIS, 12-15 years old, Risser 0-3. Patients were divided in two groups, one of patients already treated with a brace (BRACE Group), and one never treated before (UNTREATED Group). Outcome measure The threshold of 5° Cobb to define worsened, improved and stabilized curves was considered, average Cobb angle, ATR, TRACE (for aesthetic evaluation) Statistical analyses: Mean and SD were used for descriptive statistics of clinical and radiographic changes. Relative Risk of failure (RR), 95% Confidence Interval (CI), Student’s t, Kruskall Wallis, and chi square test were applied.
Results 268 patients were included (226 females), age 13.3 (±1). BRACE Group: 108 (96 females), age 13.2 (±1), Cobb Angle 34±12°, ATR 9.6±0.4, TRACE 5.7. UNTREATED Group: 160 (130 females), age 13.2 (±1), Cobb Angle 33±11° ATR 10.3±0.2°, TRACE 5. No differences among groups at first visit but for TRACE (p
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