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Showing 2 results for Congenital Scoliosis
Comparison of short-term and long-term outcomes of spinal fusion with and without posterior instrumentation in congenital scoliosis
Behtash H, Ameri E, Ganjavian M.s, Kabirian Dehkordi N, Fereshtehnejad S.m, Akbarnia B,
Volume 65, Issue 8 (11-2007)
Abstract

Background: Congenital scoliosis is a developmental disorder defined as a lateral curvature of the spine. Its progressive trend and complications, such as cosmetic problems, pain and pulmonary symptoms, have put scoliosis as an important skeletal deformity that should be corrected. One of the currently accepted methods of treatment is posterior spinal fusion (PSF) that may be performed with or without instrumentation. However, the use of implants in conjunction with PSF in congenital spine deformity has been debated over the past three decades primarily because of increased risk of neurological deficit and implant displacement. The aim of this study was to compare short-term and long-term outcomes of spinal fusion with and without posterior instrumentation in congenital scoliosis.

Methods: In this historical cohort study, 41 patients with congenital scoliosis were recruited. All patients underwent PSF surgery between 1977 and 1996. They were divided into two groups according to the use of instrumentation: 22 congenital scoliotic patients who were treated by PSF without any instrumentation (group A), and 19 instrumented PSF patients (group B). Instrumentation was mostly performed using the Harrington rod. The major curve angle was measured before surgery, two weeks and one year after PSF surgery and at the end of the follow-up period.

Results: The mean baseline curve angles were 66.3° and 69.1° in groups A and B, respectively. The mean Cobb angles one year after PSF were 43.1° and 38.4° in groups A and B, respectively. The mean follow-up period was 8 years (SD=3) and, at the end of this period, the final Cobb angles were 47.3° and 39.4° in groups A and B, respectively. Therefore, the final angle correction was 28.7% in patients without instrumentation and 43% in patients with instrumentation. The mean loss of correction was 5.5% and 4.3% in groups A and B, respectively. The final curve angles was significantly more corrected for those patients in whom instrumentation was used than those without instrumentation (p<0.05).

Conclusion: The treatment of congenital scoliosis can be very challenging despite the benefits of modern surgeries and instrumentation methods. The results of our study demonstrate that the application of an implant with PSF surgery may lead to increased improvement of the scoliotic curvature in the short-term and long-term periods, as well as a decrease in the loss of correction and the rate of reoperation. In addition, the low incidence of complications in our study indicates the safety of the posterior instrumentation for the treatment of congenital scoliosis.


Comparison of changes in urodynamic testing after 5 years of deformity correction surgery in patients with idiopathic and congenital scoliosis referred to the neurosurgery clinic of Sina Hospital, Tehran from September 2016 to September 2018
Kourosh Karimi Yarandi , Majid Pourfahraji Fakhrabadi , Siavash Anbaei, Shayan Dabbagh, Mohammad Mahdi ,
Volume 83, Issue 8 (11-2025)
Abstract
Background: Congenital scoliosis (CSC) and Idiopathic scoliosis (ISC) are complex spinal disorders that may involve neurological components affecting bladder function. Surgery remains the primary treatment for significant deformity, and in selected cases, correction of an associated tethered cord is also required. Given the potential interaction between spinal pathology and lower urinary tract function, this study examined changes in urodynamic findings before and after treatment in patients with CSC and ISC.
Methods: This retrospective cross-sectional study included patients with scoliosis who were presented to the Neurosurgery Clinic at Sina Hospital between September 2016 and September 2018. Preoperative and postoperative urodynamic study (UDS) results were reviewed, and statistical analyses were performed using SPSS version 24.
Results: Thirty-one patients were analyzed, consisting of 10 males (32.2%) and 21 females (67.7%), with a mean age of 14.18 years (median: 13 years). Among the 12 patients with CSC, 10 (83.3%) showed abnormal UDS prior to surgery. In contrast, 13 of 19 patients with ISC (68.4%) demonstrated normal baseline UDS. Following treatment, normalization occurred in 10 CSC patients (83.3%) and in 14 ISC patients (73.7%) (P=0.008). Before surgery, 15 of the 23 patients without a tethered cord (65.2%) had normal UDS, whereas all 8 patients with a tethered cord exhibited abnormal findings. Of the 12 patients with abnormal preoperative UDS, 3 (25%) showed no postoperative change, while 12 patients demonstrated normalization and 4 continued to show abnormal results (McNemar test, P=0.039). Improvement was also observed in 7 of the 8 patients (87.5%) with a tethered cord (P=0.57).
Conclusion: Scoliosis surgery, particularly when combined with tethered cord release, was associated with meaningful improvement in urodynamic function. Urodynamic abnormalities were more common among CSC patients before intervention, and the presence of a tethered cord contributed to greater urinary dysfunction across both scoliosis types. These findings highlight the importance of thorough preoperative urodynamic assessment to guide management and anticipate postoperative outcomes.

 
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