Coluna / Columna v.15, n.1 /2016

ARTIGO ORIGINAL


INFLUENCE OF THE SAGITTAL BALANCE ON THE CLINICAL OUTCOME IN SPINAL FUSION



Marcela Almeida Campos Coutinho1 , Raphael de Rezende Pratali1 , Marcel Machado da Motta1 , Carla Balkanyi Hoffman1 , Carlos Eduardo Gonçales Barsotti1 , Francisco Prado Eugenio dos Santos1 , Carlos Eduardo Algaves Soares de Oliveira1

1 . Orthopedics and Traumatology Service of the Hospital do Servidor Público Estadual de São Paulo.

DOI: http://dx.doi.org/



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ABSTRACT

Objective:
Evaluates which radiographic parameters of the sagittal and spinopelvic balance influence the clinical and functional outcomes of a sample of patients undergoing spinal fusion.

Methods:
We studied 32 patients who underwent spinal fusion. Radiographs of the total spine were obtained from all patients. The clinical and functional parameters studied were analysis of pain by visual analogic scale (VAS) and Oswestry and SRS-30 questionnaires. We analyzed the correlation between the clinical and functional parameters and radiographic parameters of the sagittal and spinopelvic balance.

Results:
There was no significant correlation between parameters pelvic incidence (PI), pelvic tilt (PT), lumbar lordosis (LL) and difference between PI and LL (PI-LL) and clinical parameters (p > 0.05 and r <0.2). Significant correlation were identified only between Sagittal Vertical Axis (SVA) and Satisfaction with Treatment domain of SRS-30 (r = 0.402 e p = 0.023) and between thoracic kyphosis (TK) and the total SRS-30 (r = 0.419 and p = 0.017).

Conclusions:
According to the study results, it was not possible to precisely characterize the role of the parameters of the sagittal and spinopelvic balance in the post-operative analysis of the clinical outcome of spinal fusion. There was a significant correlation only between SVA and the Satisfaction with Treatment domain of SRS-30 and between TK and total SRS-30.


Keywords: Arthrodesis,Spine,Postural balance,Lordosis,Low back pain,Kyphosis

Resumen

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escala visual analógica

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