Adolescent idiopathic scoliosis: sagital plane and low density pedicle screws
OBJECTIVE: To examine the sagittal curves of patients treated with CD instrumentation using exclusively pedicle screws. METHODS: Image analysis of medical records of 27 patients (26 M and 1 F) with a minimum follow-up of 6 months, who underwent surgical treatment in our service between January 2005 and December 2010. The curves were evaluated on coronal and sagittal planes, taking into account the potential correction of the technique. RESULTS: In the coronal plan the following curves were evaluated: proximal thoracic (TPx), main thoracic (TPp), and thoracolumbar; lumbar (TL, L), and the average flexibility was 52%, 52%, and 92% and the capacity of correction was 51%, 72%, and 64%, respectively. In the sagittal plane there was a mean increase in thoracic kyphosis (CT) of 41% and an average reduction of lumbar lordosis (LL) of 17%. Correlation analysis between variables showed Pearson coefficient of correlation of 0.053 and analysis of dispersion of R2 = <0.001. CONCLUSION: The method has shown satisfactory results with maintenance of kyphosis correction in patients with normal and hyper kyphotic deformities.
Main Authors: | Amaral,Rodrigo Augusto do, Meves,Robert, Caffaro,Maria Fernanda Silber, Umeta,Ricardo Shigueaki Galhego, Pelegrino,Luciano Antônio Nassar, Bergamaschi,João Paulo Machado, Avanzi,Osmar |
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Format: | Digital revista |
Language: | English |
Published: |
Sociedade Brasileira de Coluna
2014
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1808-18512014000100013 |
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