CLINICS

Clinics (Sao Paulo). 2017 August; 72(8): 481-484.
doi:10.6061/clinics/2017(08)05

Copyright © 2017 CLINICS

A Comparative Study of Sagittal Balance in Patients with Neuromuscular Scoliosis

Paulo Alvim Borges , Flávio Gerardo Benites Zelada , Thiago Felipe dos Santos Barros , Olavo Biraghi Letaif * , Ivan Dias da Rocha , Raphael Martus Marcon , Alexandre Fogaça Cristante , Tarcíso Eloy Pessoa Barros-Filho

Laboratorio de Investigacao Medica, Divisao de Cirurgia da Coluna, Instituto de Ortopedia e Traumatologia (IOT), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR

*Corresponding author. E-mail: olavo.leitaf@hc.fm.usp.br

received November 23, 2016; revised March 24, 2017; accepted April 17, 2017.

Abstract

OBJECTIVES:

Spinopelvic alignment has been associated with improved quality of life in patients with vertebral deformities, and it helps to compensate for imbalances in gait. Although surgical treatment of scoliosis in patients with neuromuscular spinal deformities promotes correction of coronal scoliotic deformities, it remains poorly established whether this results in large changes in sagittal balance parameters in this specific population. The objective of this study is to compare these parameters before and after the current procedure under the hypothesis is that there is no significant modification.

METHODS:

Sampling included all records of patients with neuromuscular scoliosis with adequate radiographic records treated at Institute of Orthopedics and Traumatology of Clinics Hospital of University of São Paulo (IOT-HCFMUSP) from January 2009 to December 2013. Parameters analyzed were incidence, sacral inclination, pelvic tilt, lumbar lordosis, thoracic kyphosis, spinosacral angle, spinal inclination and spinopelvic inclination obtained using the iSite-Philips digital display system with Surgimap and a validated method for digital measurements of scoliosis radiographs. Comparison between the pre- and post-operative conditions involved means and standard deviations and the t-test.

RESULTS:

Based on 101 medical records only, 16 patients met the inclusion criteria for this study, including 7 males and 9 females, with an age range of 9-20 and a mean age of 12.9±3.06; 14 were diagnosed with cerebral palsy. No significant differences were found between pre and postoperative parameters.

CONCLUSIONS:

Despite correction of coronal scoliotic deformity in patients with neuromuscular deformities, there were no changes in spinopelvic alignment parameters in the group studied.

Keywords: Neuromuscular Diseases, Scoliosis, Spine Deformity, Sagittal Balance, Surgical Correction


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