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vol.18 issue3THE IMPORTANCE OF CLAVICLE ANGLE AND HEIGHT OF THE CORACOID PROCESS IN IDIOPATHIC SCOLIOSISIMAGE CORRELATION BETWEEN FACET EFFUSION AND LUMBAR INSTABILITY author indexsubject indexarticles search
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Coluna/Columna

Print version ISSN 1808-1851On-line version ISSN 2177-014X

Abstract

DAHER, MURILO TAVARES et al. WHAT IS THE BEST DISTAL LEVEL OF ARTHRODESIS IN LUMBAR FUSION IN PATIENTS WITH ADOLESCENT IDIOPATHIC SCOLIOSIS: L3 OR L4?. Coluna/Columna [online]. 2019, vol.18, n.3, pp.200-204.  Epub Sep 02, 2019. ISSN 2177-014X.  https://doi.org/10.1590/s1808-185120191803197205.

Objective

To evaluate coronal alignment in patients with idiopathic adolescent scoliosis with structured lumbar curves submitted to surgical treatment by comparing coronal alignment in the group fusion up to L3 and the group fusion up to L4.

Methods

Retrospective cohort study. We evaluated patients submitted to surgical treatment with arthrodesis of the lumbar curve with high density of screws with at least 6 months of follow-up. Radiographically, coronal alignment, shoulder height and functional outcome were analyzed through SRS30 questionnaire.

Results

A total of 25 patients were analyzed, of which 23 were female and 2 were male, with a mean age of 15.2 years (12 to 29 years) at the time of surgery. The patients were divided into two groups. Group A, n = 15: Distal level of fusion in L3 and Group B, n = 10: distal level of fusion in L4. There was no statistically significant difference between Groups A and B when compared to coronal alignment (balanced vs. unbalanced). However, when compared with the coronal alignment (CA) values, lower values of CA were observed in Group A, with statistical significance. No difference was observed between Groups A and B with respect to the SRS30 questionnaire.

Conclusions

Patients with idiopathic adolescent scoliosis submitted to arthrodesis of the lumbar curve have a better coronal alignment when the distal fusion level is L3. Level of evidence III; Comparative Retrospective Study (based on prospectively collected data).

Keywords : Scoliosis; Treatment Outcome; Quality of Life; Spinal Fusion.

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