Sagittal curve and high metal density in adolescent idiopathic scoliosis

Objectives: To analyze radiographically the postoperative kyphosis from patients undergoing surgical treatment for AIS with pedicle screws in all vertebrae included in the arthrodesis. Methods: Retrospective study. The following measurements were evaluated: Cobb angle in anteroposterior radiograph of the three curves (proximal thoracic, main thoracic, and lumbar), Cobb angle in the lateral view of the two curves: thoracic kyphosis (T5-T12) and lumbar lordosis (T12-S1). Results: Of the 25 patients evaluated preoperatively, four (16%) were hypokyphotic, 20 patients (80%) were normokyphotic and only one (4%) was hyperkyphotic. For hypokyphotic and hiperkyphotic patients a satisfactory correction of thoracic kyphosis was obtained in 100% of cases, which was preserved in the final result. The same pattern of thoracic kyphosis was observed for all normokyphotic patients throughout the follow-up. Conclusion: Radiographic evaluation of thoracic kyphosis in patients with AIS treated surgically with pedicle screws in all vertebrae showed satisfactory results with respect to the correction of thoracic kyphosis.

Bibliographic Details

Main Authors:	Fernandes,Fabio Araújo, Bergamaschi,João Paulo Machado, Pellegrino,Luciano Antonio Nassar, Umeta,Ricardo Shigueaki Galhego, Caffaro,Maria Fernanda Silber, Meves,Robert, Avanzi,Osmar
Format:	Digital revista
Language:	English
Published:	Sociedade Brasileira de Coluna 2014
Online Access:	http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1808-18512014000200104
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