Abstract
ABSTRACT Objective: This study aimed to determine whether surgery leads to changes in sagittal balance in patients with congenital scoliosis. Methods: We retrospectively reviewed all cases of scoliosis operated in a tertiary hospital between January 2009 and January 2013. In all cases the deformity in the coronal and sagittal planes, kyphosis, and lordosis were measured, using the Cobb method, and spinopelvic parameters: pelvic incidence (PI), sacral slope (SS), and pelvic tilt (PT). Results A hundred and eleven medical records were analyzed, but the sample resulted in 10 patients, six of whom were females (60%). The average age was 13.4 years. In the comparative analysis between pre and postoperative, only the coronal deformity (12.37; CI 95% [7.88-16.86]; p<0.001), the sagittal deformity (12.71; CI 95% [4.21-21.22]; p=0.011), and the lumbar lordosis (9.9; CI 95% [0.38-19.42]; p=0.043) showed significant change. Conclusion: There was no change in the spinopelvic parameters of patients with congenital scoliosis undergoing surgery at IOF-FMUSP between 2009 and 2013; however, it was observed decrease in lumbar lordosis, and deformity angle in the sagittal and coronal planes.
Highlights
Sagittal balance has been the theme of various studies in recent years
We retrospectively reviewed all cases of scoliosis operated in a tertiary hospital between January 2009 and January 2013
There was no change in the spinopelvic parameters of patients with congenital scoliosis undergoing surgery at IOF-FMUSP between 2009 and 2013; it was observed decrease in lumbar lordosis, and deformity angle in the sagittal and coronal planes
Summary
It is observed that patients with significant changes in the postoperative sagittal angles have a greater chance of requiring review surgeries, and a higher incidence of lumbalgia.[4,5]. Congenital scolioses are spinal deformities resulting from defects in vertebral formation or segmentation, or a combination of these defects. They have an estimated incidence of 0.13 to 0.5/1000 births.[6] They often generate severe, progressive curves with significant angulation, but due to the lower occurrence of this type of deformity compared to others, there is less information available in the literature on its behavior.[7,8] Another factor that hinders its study is the great heterogeneity between cases, which makes grouping types of scoliosis difficult. A significant number of patients with this pathology require spinal surgery
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