Alice Baroncini1,2,3, Per David Trobisch4, Pedro Berjano5, Claudio Lamartina5, Philipp Kobbe6, Markus Tingart6, Filippo Migliorini6. 1. Department of Orthopaedics, RWTH Aachen University Clinic, Pauwelsstraße 30, 52074, Aachen, Germany. alice.baroncini@artemed.de. 2. IRCCS Istituto Ortopedico Galeazzi, Milano, Italy. alice.baroncini@artemed.de. 3. Department of Spine Surgery, Eifelklinik St. Brigida, Simmerath, Germany. alice.baroncini@artemed.de. 4. Department of Spine Surgery, Eifelklinik St. Brigida, Simmerath, Germany. 5. IRCCS Istituto Ortopedico Galeazzi, Milano, Italy. 6. Department of Orthopaedics, RWTH Aachen University Clinic, Pauwelsstraße 30, 52074, Aachen, Germany.
Abstract
PURPOSE: To investigate the correlation between spine flexibility and age, skeletal maturity, coronal and sagittal parameters for adolescent idiopathic scoliosis (AIS). METHODS: All AIS patients evaluated for surgery were included. Following parameters were obtained: age, gender, skeletal maturity (Risser and Sanders), Cobb angle at high thoracic (HT), mean thoracic (MT) and thoracolumbar/lumbar (TL/L) level, flexibility of HT, MT and TL/L curves, coronal and sagittal parameters. A multivariate diagnostic through the Pearson Product-Moment Correlation Coefficient ([Formula: see text]) was performed. RESULTS: Data from 200 patients were obtained (30 males, age 15 ± 1.9 years). No significant correlation was found between curve flexibility and age or gender. A negative correlation was observed between flexibility of MT curves and magnitude of HT ([Formula: see text] = - 0.4) and MT curves ([Formula: see text] = - 0.4). A weak correlation among curve flexibility at different levels was observed: the flexibility of HT curves correlated with the flexibility of MT and TL/L curves, and the flexibility of MT curves correlated with flexibility TL/L curves. A negative correlation between flexibility of MT curves and AVT-T (thoracic apical vertebral translation) ([Formula: see text] = - 0.2) was evidenced. No correlations between flexibility and sagittal parameters were observed. CONCLUSIONS: No strong correlation were observed between curve flexibility and age or skeletal maturity. A negative correlation between curve magnitude and flexibility at thoracic level was demonstrated. Furthermore, a weak positive correlation between flexibility of PT, MT and TL/L curves was observed.
PURPOSE: To investigate the correlation between spine flexibility and age, skeletal maturity, coronal and sagittal parameters for adolescent idiopathic scoliosis (AIS). METHODS: All AISpatients evaluated for surgery were included. Following parameters were obtained: age, gender, skeletal maturity (Risser and Sanders), Cobb angle at high thoracic (HT), mean thoracic (MT) and thoracolumbar/lumbar (TL/L) level, flexibility of HT, MT and TL/L curves, coronal and sagittal parameters. A multivariate diagnostic through the Pearson Product-Moment Correlation Coefficient ([Formula: see text]) was performed. RESULTS: Data from 200 patients were obtained (30 males, age 15 ± 1.9 years). No significant correlation was found between curve flexibility and age or gender. A negative correlation was observed between flexibility of MT curves and magnitude of HT ([Formula: see text] = - 0.4) and MT curves ([Formula: see text] = - 0.4). A weak correlation among curve flexibility at different levels was observed: the flexibility of HT curves correlated with the flexibility of MT and TL/L curves, and the flexibility of MT curves correlated with flexibility TL/L curves. A negative correlation between flexibility of MT curves and AVT-T (thoracic apical vertebral translation) ([Formula: see text] = - 0.2) was evidenced. No correlations between flexibility and sagittal parameters were observed. CONCLUSIONS: No strong correlation were observed between curve flexibility and age or skeletal maturity. A negative correlation between curve magnitude and flexibility at thoracic level was demonstrated. Furthermore, a weak positive correlation between flexibility of PT, MT and TL/L curves was observed.
Authors: Vedat Deviren; Sigurd Berven; Frank Kleinstueck; James Antinnes; Jason A Smith; Serena S Hu Journal: Spine (Phila Pa 1976) Date: 2002-11-01 Impact factor: 3.468
Authors: A Fujiwara; T H Lim; H S An; N Tanaka; C H Jeon; G B Andersson; V M Haughton Journal: Spine (Phila Pa 1976) Date: 2000-12-01 Impact factor: 3.468