Bi-planar spinal stereoradiography of adolescent idiopathic scoliosis: considerations in 3D alignment and functional balance

Pasha, Saba; Capraro, Anthony; Cahill, Patrick J.; Dormans, John P.; Flynn, John M.

doi:10.1007/s00586-016-4661-7

Cited by 24 publications

(16 citation statements)

References 31 publications

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“…3D spinal reconstruction using this system is already a validated process (12) and is currently used in clinical practice, while validated methods for rib cage 3D reconstructions are more recent and not fully established yet. Also, Pasha et al showed that the standing position with knuckles on clavicles position replicates the functional standing balance in AIS (13). Only one study by Ilharreborde et al (14) investigated the relationships between structural spinal and rib cage parameters in AIS and pulmonary function using 3D reconstructions from biplanar stereoradiography (three groups: Cobb angle 20 to 40 degrees, 40 to 65 degrees and over 65 degrees).…”

Section: Introductionmentioning

confidence: 99%

Biplanar stereoradiography predicts pulmonary function tests in adolescent idiopathic scoliosis: a cross-sectional study

et al. 2019

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Purpose: Various spinal and rib cage parameters measured from complex exams were found to be correlated with preoperative pulmonary function tests (PFT). The aim was to investigate the relationship between preoperative rib cage parameters and PFT using biplanar stereoradiography in patients with severe adolescent idiopathic scoliosis (AIS). Methods:Fifty-four patients, 45 girls and nine boys, aged 13.8 ± 1.2 years, with Lenke 1 or 2 thoracic scoliosis (>50°) requiring surgical correction were prospectively included. All patients underwent preoperative PFT and low-dose biplanar X-rays. The following data were collected: forced vital capacity (FVC), forced expiratory volume in 1s (FEV1), FEV1/FVC ratio, residual volume (RV), slow vital capacity (SVC), total lung capacity (TLC), rib cage volume (RCV), maximum rib hump (MRH), maximum width, mean thoracic index, spinal penetration index (SPI), apical vertebral rotation (AVR), main curve Cobb angle (MCCA), T4-T12 kyphosis. The primary outcome was the relationship between rib cage parameters and PFT. The secondary outcome was the relationship between rib cage parameters and spine parameters. Data were analyzed using Spearman's rank test. A multivariable regression analysis was performed to compare PFTs and structural parameters. Significance was set at α = 0.05. Results:The mean MCCA was 68.7 ± 16.7°. RCV was highly correlated with all pulmonary capacities: TLC (r=0.76, p < 0.0001), SVC (r=0.78, p < 0.0001) and FVC (r=0.77, p < 0.0001). RCV had a low correlation with FEV1/FVC (r= -0.34, p=0.014). SPI was not correlated with any pulmonary parameters.Conclusion: Rib cage volume measured by biplanar stereoradiography may represent a prediction tool for PFTs.

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Section: Introductionmentioning

confidence: 99%

Biplanar stereoradiography predicts pulmonary function tests in adolescent idiopathic scoliosis: a cross-sectional study

et al. 2019

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“…As per hospital protocol, during the radiological acquisition, to not obstruct the image of the sagittal spine, patients were asked to put their hands on the wall, without standardizing their hand pressure. This could have affected the postural balance parameters of the patients [ 36 ], especially the CoP variables in the anteroposterior plane. Future studies should try to evaluate patients with an in-cabin posture that does not require the support of the hands [ 36 ].…”

Section: Discussionmentioning

confidence: 99%

“…This could have affected the postural balance parameters of the patients [ 36 ], especially the CoP variables in the anteroposterior plane. Future studies should try to evaluate patients with an in-cabin posture that does not require the support of the hands [ 36 ]. Although the insoles used in this simultaneous evaluation have been showed to identify overall comparable balance data to a force plate in the article under review by Spine from St-Georges et al 2020, they do lack specificity in CoP displacement in static standing evaluation [ 37 – 39 ].…”

Section: Discussionmentioning

confidence: 99%

Adolescent idiopathic scoliosis: evaluating perioperative back pain through a simultaneous morphological and biomechanical approach

St-Georges

Teles

Rabau

et al. 2020

BMC Musculoskelet Disord

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Background Adolescent idiopathic scoliosis (AIS) has been associated with diminished postural stability and a greater prevalence of back pain. Currently, the literature is lacking information on the effect of spinal fusion on both postural stability and its association with back pain. Our objectives were to evaluate the postsurgical effect of spinal morphological changes on static standing balance and assess the influence of these alterations on reported pain throughout the perioperative period. Methods Twenty consecutive AIS patients schedule to undergo spinal fusion surgery were recruited and followed prospectively at the Shriners Hospitals for Children-Canada. Data was collected at the preoperative, 6 weeks and 6 months postoperative visits. Spinal morphology data was collected through 3D reconstructed simultaneous standing biplanar radiographs using the SterEOS software. Postural balance was assessed through Moticon© sensor insoles and analyzed through their software. The data was simultaneously collected as part of the Global Biomechanical and morphological Assessment. Pain was evaluated through self-reported questionnaires. Results Morphological curve parameters were significantly reduced after surgery. Balance parameters did not change significantly throughout the perioperative period with the exception of the Center of Pressure of the left foot medial/lateral transient shift ( P = 0.017) at 6 weeks. Of note, preoperative balance parameters were associated with the degree of right thoracic Cobb angles ( P = 0.029 R = 0.528). Pain scores significantly improved 6 weeks and 6 months after the surgery. Pain intensity diminished in the thoracic and lumbar spine but worsen in the neck region at the 6 weeks and 6 months postoperative time points ( P = 0.044). Greater residual Cobb angle difference between Mid thoracic and Thoracolumbar/Lumbar curves was associated with greater pain severity at 6 weeks postop ( P < 0.005). In addition, greater residual thoracic deformity was associated with significant pain severity 6 months after surgery ( P < 0.05). Conclusions Improved spinal morphology of postsurgical AIS patients has no significant impact on their static standing balance. Suggesting that other factors apart from the spinal morphology may contribute to AIS patients’ balance during stance. Although balance did not influence pain severity, spinal morphology and its correction appear to have influenced the intensity and location of back pain.

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“…The normal spine is facing the convex surface, and the spinous process faces the concave surface, forming a multidimensional rotating feature (Pasha et al, 2016). Such transformation of the spine leads to the problem of posture balance (Yamada et al, 1969).…”

Section: Discussionmentioning

confidence: 99%

Influence of the proprioceptive neuromuscular facilitation exercise programs on idiopathic scoliosis patient in the early 20s in terms of curves and balancing abilities: single case study

Lee¹

2016

J Exerc Rehabil

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The purpose of this study was to determine the influence of the proprioceptive neuromuscular facilitation (PNF) exercise programs for idiopathic scoliosis with a female patient in the early 20s in terms of her spinal curve and balancing abilities. The study subject was selected among 21-year-old female college students. There were no particular activities that the subject could not perform, but patient complained of difficulty in maintaining the standing position for a prolonged time. Patient chest X-ray results showed S-shaped curves tilted towards the left or right in the lumbar spine, thoracic spine, and cervical spine areas. The PNF exercise programs consists of seven therapeutic exercise programs, including home exercises considering the patients’ balancing abilities, the lateral symmetry of the spinal sway, the distortion, and the height of the pelvis and scapula bones. The programs last for 6 weeks and includes three sessions per week, with each session lasting for 30 min. Before and after the execution of the PNF exercise programs, the subject was monitored for the changes in her spinal sways through chest X-ray tests. Also, using a balance measurement instrument, the subject’s static and dynamic balancing abilities were tested. After executing the PNF exercise programs for 6 weeks, the spinal sways of the subject were corrected, and her static and dynamic balancing abilities were improved compared to the baseline values.

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Bi-planar spinal stereoradiography of adolescent idiopathic scoliosis: considerations in 3D alignment and functional balance

Abstract: Diagnostic level II.

Cited by 24 publications

References 31 publications

Biplanar stereoradiography predicts pulmonary function tests in adolescent idiopathic scoliosis: a cross-sectional study

Biplanar stereoradiography predicts pulmonary function tests in adolescent idiopathic scoliosis: a cross-sectional study

Adolescent idiopathic scoliosis: evaluating perioperative back pain through a simultaneous morphological and biomechanical approach

Influence of the proprioceptive neuromuscular facilitation exercise programs on idiopathic scoliosis patient in the early 20s in terms of curves and balancing abilities: single case study

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