scholarly journals Long-Term Influence of Paraspinal Muscle Quantity in Adolescent Idiopathic Scoliosis Following Deformity Correction by Posterior Approach

2021 ◽  
Vol 10 (20) ◽  
pp. 4790
Author(s):  
Hong Jin Kim ◽  
Jae Hyuk Yang ◽  
Dong-Gune Chang ◽  
Se-Il Suk ◽  
Seung Woo Suh ◽  
...  
Keyword(s):  
Adolescent Idiopathic Scoliosis ◽  
Idiopathic Scoliosis ◽  
Posterior Approach ◽  
Deformity Correction ◽  
Paraspinal Muscle ◽  
Paraspinal Muscles ◽  
Psoas Major Muscle ◽  
Psoas Major

Pedicle screw instrumentation (PSI) through posterior approach has been the mainstay of deformity correction for adolescent idiopathic scoliosis (AIS). However, changes in the quantity of paraspinal muscles after AIS surgery has remained largely unknown. The aim of this study was to investigate long-term follow-up changes in paraspinal muscle volume in AIS surgery via a posterior approach. Forty-two AIS patients who underwent deformity correction by posterior approach were analyzed through a longitudinal assessment of a cross-sectional area (CSA) in paraspinal muscles with a minimum five-year follow-up. The CSA were measured using axial computed tomography images at the level of the upper endplate L4 by manual tracing. The last follow-up CSA ratio of the psoas major muscle (124.5%) was significantly increased compared to the preoperative CSA ratio (122.0%) (p < 0.005). The last follow-up CSA ratio of the multifidus and erector spine muscles significantly decreased compared to the preoperative CSA ratio (all p < 0.005). The CSA ratio of the erector spine muscle was correlated with the CSA ratio of the psoas major (correlation coefficient = 0.546, p < 0.001). Therefore, minimizing the injury to the erector spine muscle is imperative to maintaining psoas major muscle development in AIS surgery by posterior approach.

Long-term (10 yr) MRI follow-up of paraspinal muscle quality after posterior fusion for adolescent idiopathic scoliosis

2018 ◽  
pp. 1
Author(s):  
Michael Faloon ◽  
Roger F. Widmann ◽  
John S. Blanco ◽  
Matthew E. Cunningham ◽  
Bernard A. Rawlins ◽  
...  
Keyword(s):  
Adolescent Idiopathic Scoliosis ◽  
Idiopathic Scoliosis ◽  
Posterior Fusion ◽  
Paraspinal Muscle ◽  
Muscle Quality

scholarly journals Long-term effects of the Chêneau brace on coronal and sagittal alignment in adolescent idiopathic scoliosis

2015 ◽  
Vol 23 (4) ◽  
pp. 505-509 ◽  
Author(s):  
Ming-Qiao Fang ◽  
Chong Wang ◽  
Guang-Heng Xiang ◽  
Chao Lou ◽  
Nai-Feng Tian ◽  
...  
Keyword(s):  
Adolescent Idiopathic Scoliosis ◽  
Idiopathic Scoliosis ◽  
Sagittal Alignment ◽  
Vertical Axis ◽  
Sacral Slope ◽  
Long Term Effects ◽  
Sagittal Vertical Axis ◽  
Pelvic Parameters

OBJECT The aim of the present study was to retrospectively evaluate progressive correction of coronal and sagittal alignment and pelvic parameters in patients treated with a Chêneau brace. METHODS Thirty-two patients with adolescent idiopathic scoliosis (AIS) were assessed before initiation of bracing treatment and at the final follow-up. Each patient underwent radiological examinations, and coronal, sagittal, and pelvic parameters were measured. RESULTS No statistically significant modification of the Cobb angle was noted. The pelvic incidence remained unchanged in 59% of the cases and increased in 28% of the cases. The sacral slope decreased in 34% of the cases but remained unchanged in 50%. Thoracic kyphosis and lumbar lordosis were significantly decreased, whereas the sagittal vertical axis was significantly increased from a mean of -44.0 to -30.2 mm (p = 0.02). The mean pelvic tilt increased significantly from 4.5° to 8.3° (p = 0.002). CONCLUSIONS The Chêneau brace can be useful for preventing curvature progression in patients with AIS. However, the results of this study reveal high variability in the effect of brace treatment on sagittal and pelvic alignment. Treatment with the Chêneau brace may also influence sagittal global balance.

Long Term Patient Perception Following Surgery for Adolescent Idiopathic Scoliosis if Dissatisfied at 2 Year Follow-up

Spine ◽  
2020 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Jessica Hughes ◽  
Burt Yaszay ◽  
Tracey P. Bastrom ◽  
Carrie E. Bartley ◽  
Stefan Parent ◽  
...  
Keyword(s):  
Adolescent Idiopathic Scoliosis ◽  
Idiopathic Scoliosis ◽  
Patient Perception

Nighttime Bracing for Adolescent Idiopathic Scoliosis with the Charleston Bending Brace: Long-Term Follow-up

1997 ◽  
Vol 17 (6) ◽  
pp. 703-707 ◽  
Author(s):  
Charles T. Price ◽  
Donald S. Scott ◽  
Frederick R. Reed ◽  
Jack T. Sproul ◽  
Max F. Riddick
Keyword(s):  
Adolescent Idiopathic Scoliosis ◽  
Idiopathic Scoliosis ◽  
Long Term Follow Up

scholarly journals Minimally invasive scoliosis surgery assisted by O-arm navigation for Lenke Type 5C adolescent idiopathic scoliosis: a comparison with standard open approach spinal instrumentation

2017 ◽  
Vol 19 (4) ◽  
pp. 472-478 ◽  
Author(s):  
Weiguo Zhu ◽  
Weixiang Sun ◽  
Leilei Xu ◽  
Xu Sun ◽  
Zhen Liu ◽  
...  
Keyword(s):  
Adolescent Idiopathic Scoliosis ◽  
Minimally Invasive ◽  
Idiopathic Scoliosis ◽  
Spinal Instrumentation ◽  
Deformity Correction ◽  
Scoliosis Surgery ◽  
Open Approach ◽  
Additional Surgery ◽  
Estimated Blood Loss

OBJECTIVE Recently, minimally invasive scoliosis surgery (MISS) was introduced for the correction of adult scoliosis. Multiple benefits including a good deformity correction rate and fewer complications have been demonstrated. However, few studies have reported on the use of MISS for the management of adolescent idiopathic scoliosis (AIS). The purpose of this study was to investigate the outcome of posterior MISS assisted by O-arm navigation for the correction of Lenke Type 5C AIS. METHODS The authors searched a database for all patients with AIS who had been treated with either MISS or PSF between November 2012 and January 2014. Levels of fusion, density of implants, operation time, and estimated blood loss (EBL) were recorded. Coronal and sagittal parameters were evaluated before surgery, immediately after surgery, and at the last follow-up. The accuracy of pedicle screw placement was assessed according to postoperative axial CT images in both groups. The 22-item Scoliosis Research Society questionnaire (SRS-22) results and complications were collected during follow-up. RESULTS The authors retrospectively reviewed the records of 45 patients with Lenke Type 5C AIS, 15 who underwent posterior MISS under O-arm navigation and 30 who underwent posterior spinal fusion (PSF). The 2 treatment groups were matched in terms of baseline characteristics. Comparison of radiographic parameters revealed no obvious difference between the 2 groups immediately after surgery or at the final follow-up; however, the MISS patients had significantly less EBL (p < 0.001) and longer operation times (p = 0.002). The evaluation of pain and self-image using the SRS-22 showed significantly higher scores in the MISS group (p = 0.013 and 0.046, respectively) than in the PSF group. Postoperative CT showed high accuracy in pedicle placement in both groups. No deep wound infection, pseudarthrosis, additional surgery, implant failure, or neurological complications were recorded in either group. CONCLUSIONS Minimally invasive scoliosis surgery is an effective and safe alternative to open surgery for patients with Lenke Type 5C AIS. Compared with results of the open approach, the outcomes of MISS are promising, with reduced morbidity. Before the routine use of MISS, however, long-term data are needed.

scholarly journals Long-Term Follow-up of Posterior Selective Thoracolumbar/Lumbar Fusion in Patients With Lenke 5C Adolescent Idiopathic Scoliosis: An Analysis of 10-Year Outcomes

2020 ◽  
pp. 219256822096556
Author(s):  
Kai Chen ◽  
Yu Chen ◽  
Jie Shao ◽  
Junke Zhoutian ◽  
Fei Wang ◽  
...  
Keyword(s):  
Adolescent Idiopathic Scoliosis ◽  
Idiopathic Scoliosis ◽  
Clinical Outcomes ◽  
Sagittal Plane ◽  
Lumbar Fusion ◽  
Image Domain ◽  
Selective Fusion ◽  
Increasing Trend

Study Design: Retrospective study. Objective: The aim of this study was to assess long-term radiographic and clinical outcomes in Lenke 5C adolescent idiopathic scoliosis (AIS) patients after posterior selective fusion. Methods: Lenke 5C AIS patients who underwent posterior selective thoracolumbar/lumbar (TL/L) fusion in our hospital from January 2007 to January 2010 were recruited. Radiographic parameters were measured preoperatively and at the 3-month, 1-year, 2-year, 5-year, and 10-year follow-ups. The SRS-22 (Scoliosis Research Society) questionnaire was used to assess the clinical outcomes. Results: We included 37 patients who underwent posterior selective TL/L fusion surgery in our study, and the mean follow-up time was 11.26 ± 0.85 years. The average preoperative Cobb angles of the thoracic and TL/L curves were 24.0 ± 9.0° and 45.4 ± 6.3°, respectively, which were corrected to 12.2° and 12.4° at the 3-month follow-up postoperatively, with correction losses of 2.2° and 1.5° at the 10-year follow-up. In the sagittal plane, the degree of thoracic kyphosis (TK) gradually increased over the follow-up period. The proximal junctional angle (PJA) also gradually increased from 6.7 ± 4.6 to 13.7 ± 5.6 during the follow-up period. For the clinical outcomes, correction surgery improved the SRS-22 scores in each domain, especially in the self-image domain. Conclusions: Posterior selective TL/L fusion can effectively correct spinal deformities, leading to stable outcomes for 10 years postoperatively. During the follow-up period, the degree of TK presented an increasing trend that remained almost constant after the 1-year follow-up. Moreover, the variation in the PJA was highly significant in the postoperative period, and it showed an increasing trend until the 2-year follow-up.

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