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adolescent idiopathic scoliosis

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https://www.readbyqxmd.com/read/28437498/superior-mesenteric-artery-syndrome-as-a-complication-of-scoliosis-surgery
#1
Philip K Louie, Bryce A Basques, Adam Bitterman, Shalin Shah, Kishan Patel, Isaac Abramchayev, Jonathan Lewin
Superior mesenteric artery (SMA) syndrome is a rare and potentially life-threatening complication of scoliosis surgery. The anatomical relationship of the duodenum and the superior mesenteric artery, the correction of angular deformity of the spine, and the normal adolescent growth spurt all contribute to the condition. We report the case of a 14-year-old boy who had a history of idiopathic scoliosis and presented with bilious vomiting that had persisted for 7 days after posterior T9-L4 fusion with instrumentation...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28437355/initial-correction-rate-can-be-predictive-of-the-outcome-of-brace-treatment-in-patients-with-adolescent-idiopathic-scoliosis
#2
Leilei Xu, Xiaodong Qin, Yong Qiu, Zezhang Zhu
STUDY DESIGN: A retrospective study. OBJECTIVE: To determine the definite cut-off value of initial correction rate (ICR) that could be predictive of bracing outcome in patients with adolescent idiopathic scoliosis. SUMMARY OF BACKGROUND DATA: Earlier studies showed that braced patients with a better ICR could finally have a higher probability of successful outcome. However, it remains controversial what definitive cut-off value of ICR is required to accurately predict the outcome...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437347/effect-of-coronal-scoliotic-curvature-on-sagittal-spinal-shape-analysis-of-parameters-in-mature-adolescent-scoliosis-patients
#3
Jae-Young Hong, Keon-Woo Kim, Seung-Woo Suh, Si-Young Park, Jae-Hyuk Yang
STUDY DESIGN: A radiographic analysis with scoliosis patients. OBJECTIVES: To analyze correlations between sagittal spinal alignment and coronal scoliotic curvature. SUMMARY OF BACKGROUND DATA: Sagittal spinal alignment and scoliosis may have a significant relationship, and schematic analysis is needed. METHODS: The study group was comprised of 163 patients with adolescent idiopathic scoliosis. Subjects underwent anteroposterior and lateral radiographs of the whole spine including hip joints...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437342/left-ventricular-mechanics-assessed-by-2-dimensional-speckle-tracking-echocardiography-in-children-and-adolescents-with-idiopathic-scoliosis
#4
Shujuan Li, Junlin Yang, Ling Zhu, Yunquan Li, Huimin Peng, Yuese Lin, Xuandi Li, Zifang Huang, Huishen Wang
STUDY DESIGN: A retrospective review of data collected prospectively. OBJECTIVE: The study aimed to assess the possible effects of idiopathic scoliosis on left ventricular (LV) myocardial performance in children and adolescent patients. SUMMARY OF BACKGROUND DATA: Spine anomaly may impair cardiorespiratory function. It has been confirmed that respiratory function decreased in patients with scoliosis. However, limited study of the effect of scoliosis on heart function has been published, and no assessment of myocardial deformation of these patients has been reported to our knowledge...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437341/measurement-of-thoracic-inlet-alignment-on-mri-reliability-and-the-influence-of-body-position
#5
Jun Qiao, Feng Zhu, Zhen Liu, Leilei Xu, Zezhang Zhu, Bangping Qian, Xu Sun, Qing Jiang, Yong Qiu
STUDY DESIGN: A retrospective radiographic study. OBJECTIVE: To investigate the reliability of using magnetic resonance imaging (MRI) to measure thoracic outlet parameters and whether supine MRI could supersede upright x-ray in measuring these parameters. SUMMARY OF BACKGROUND DATA: On x-ray, overlapped soft and bony tissues make sternum contour invisible. Thus, measuring thoracic inlet (TI) alignment on x-ray may be inaccurate. MRI could clearly show anatomy around TI...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437337/axial-plane-deformity-of-the-shoulder-in-adolescent-idiopathic-scoliosis
#6
Venugopal K Menon, Naveen Tahasildar, Haroon M Pillay, Anbuselvam M
STUDY DESIGN: Prospective observational study. OBJECTIVE: To study axial plane deformation of the shoulder in adolescent idiopathic scoliosis (AIS) and try to correlate it with curve type and surgical correction. SUMMARY OF BACKGROUND DATA: It is established that AIS is a 3-dimensional deformity. The rib hump is the most common manifestation of axial plane deformations; the least common manifestation seems to be upper trunk and shoulder rotation, which has been hitherto undescribed...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437336/both-bilateral-breast-volume-discrepancy-and-asymmetric-anterior-chest-wall-shape-contribute-to-the-unsightly-breast-contour-in-female-right-thoracic-idiopathic-scoliosis
#7
Benlong Shi, Saihu Mao, Xu Sun, Leilei Xu, Feng Zhu, Zezhang Zhu, Bangping Qian, Weijun Wang, Yong Qiu
STUDY DESIGN: A retrospective radiographic study. OBJECTIVE: To evaluate the asymmetry of breast volume (BV) and shape in female adolescent idiopathic scoliosis (AIS) patients and to define their relationship with deformed components of the anterior chest wall and curved spine. SUMMARY OF BACKGROUND DATA: The higher incidence of asymmetric breast development in AIS was described by prior studies. However, the interplay between scoliosis curve magnitude and severity of breast asymmetry (BA) are unknown...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437333/correction-capability-in-the-3-anatomic-planes-of-different-pedicle-screw-designs-in-scoliosis-instrumentation
#8
Xiaoyu Wang, Carl-Eric Aubin, John Coleman, Jeremy Rawlinson
STUDY DESIGN: Computer simulations to compare the correction capabilities of different pedicle screws in adolescent idiopathic scoliosis (AIS) instrumentations. OBJECTIVE: To compare the correction and resulting bone-screw forces associated with different pedicle screws in scoliosis instrumentations. SUMMARY OF BACKGROUND DATA: Pedicle screw fixation is widely used in surgical instrumentation for spinal deformity treatment. Screw design, correction philosophies, and surgical techniques are constantly evolving to achieve better control of the vertebrae and correction of the spinal deformity...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437332/ultrasound-assessment-of-the-abdominal-muscles-at-rest-and-during-the-aslr-test-among-adolescents-with-scoliosis
#9
Paweł Linek, Edward Saulicz, Michał Kuszewski, Tomasz Wolny
STUDY DESIGN: Observational study. OBJECTIVE: Are there deviations in the thickness of abdominal muscles at rest in individuals with adolescent idiopathic scoliosis (AIS)? Are there deviations in abdominal muscular activity in people with AIS during the active straight leg raise (ASLR) test? SUMMARY OF BACKGROUND DATA: Ultrasound imaging can be used to assess the lateral abdominal muscle. Some authors suggest that scoliosis develops through a weakness or improper functioning of the abdominal muscles that cannot provide adequate support to the spinal segments...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28435918/cost-analysis-of-adolescent-idiopathic-scoliosis-surgery-early-discharge-decreases-hospital-costs-much-less-than-intraoperative-variables-under-the-control-of-the-surgeon
#10
Brandon L Raudenbush, David P Gurd, Ryan C Goodwin, Thomas E Kuivila, R Tracy Ballock
BACKGROUND: Spinal fusion surgery for the treatment of adolescent idiopathic scoliosis (AIS) is increasing. Health systems and surgeons are decreasing hospital length of stay (LOS) to decrease costs. The purpose of this study was to review the contribution of an accelerated discharge protocol on the total cost of a single episode of care related to the surgical treatment of AIS at a single institution. METHODS: A retrospective cost analysis was performed over an 18-month period, from January 2014 through June 2015, before and after the institution of an accelerated discharge program...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28435911/is-cell-salvage-cost-effective-in-posterior-arthrodesis-for-adolescent-idiopathic-scoliosis-in-the-public-health-system
#11
José A A Oliveira, Fernando A M Façanha Filho, Francisco V Fernandes, Paulo C Almeida, Vládia F de Oliveira, Saulo R Lima Verde
BACKGROUND: To evaluate the efficacy and cost-effectiveness of cell salvage (CS) in reducing allogeneic transfusion in patients undergoing surgery for idiopathic scoliosis. METHODS: A case-control study with 42 patients with adolescent idiopathic scoliosis (AIS), submitted to posterior arthrodesis with instrumentation from 8/2008 to 12/2014 at the General Hospital of Fortaleza, Brazil. CS was used in 27 patients and not used in 15. The data was processed using the SPSS 20...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28435573/the-clinical-effectiveness-of-school-screening-programme-for-idiopathic-scoliosis-in-malaysia
#12
A S Deepak, J Y Ong, Dsk Choon, C K Lee, C K Chiu, Cyw Chan, M K Kwan
INTRODUCTION: There is no large population size study on school screening for scoliosis in Malaysia. This study is aimed to determine the prevalence rate and positive predictive value (PPV) of screening programme for adolescent idiopathic scoliosis. MATERIALS AND METHODS: A total of 8966 voluntary school students aged 13-15 years old were recruited for scoliosis screening. Screening was done by measuring the angle of trunk rotation (ATR) on forward bending test (FBT) using a scoliometer...
March 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28428982/biomechanical-effect-of-pedicle-screw-distribution-in-ais-instrumentation-using-a-segmental-translation-technique-computer-modeling-and-simulation
#13
Xiaoyu Wang, A Noelle Larson, Dennis G Crandall, Stefan Parent, Hubert Labelle, Charles G T Ledonio, Carl-Eric Aubin
BACKGROUND: Efforts to select the appropriate number of implants in adolescent idiopathic scoliosis (AIS) instrumentation are hampered by a lack of biomechanical studies. The objective was to biomechanically evaluate screw density at different regions in the curve for AIS correction to test the hypothesis that alternative screw patterns do not compromise anticipated correction in AIS when using a segmental translation technique. METHODS: Instrumentation simulations were computationally performed for 10 AIS cases...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28428081/intraoperative-image-guidance-compared-with-free-hand-methods-in-adolescent-idiopathic-scoliosis-posterior-spinal-surgery-a-systematic-review-on-screw-related-complications-and-breach-rates
#14
Andrew Chan, Eric Parent, Karl Narvacan, Cindy San, Edmond Lou
BACKGROUND CONTEXT: Severe adolescent idiopathic scoliosis (AIS) is a 3D spinal deformity requiring surgery to stop curve progression. Posterior spinal instrumentation and fusion with pedicle screws is the standard surgery for AIS curve correction. Vascular and neurologic complications related to screw-malpositioning are concerns in surgeries for AIS. Breach rates are reported at 15.7%, implant-related complications at 1.1% and neurologic deficit at 0.8%. Free-hand screw insertion remains the prevailing method of screw placement while image guidance has been suggested to improve placement accuracy...
April 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28418040/the-height-width-depth-ratios-of-the-intervertebral-discs-and-vertebral-bodies-in-adolescent-idiopathic-scoliosis-vs-controls-in-a-chinese-population
#15
Hao Chen, Tom P C Schlösser, Rob C Brink, Dino Colo, Marijn van Stralen, Lin Shi, Winnie C W Chu, Pheng-Ann Heng, René M Castelein, Jack C Y Cheng
Adolescent idiopathic scoliosis (AIS) patients have been reported to be taller and more slender than normal controls, suggesting less mechanical stiffness of their trunk and spine. For assessment of mechanical stiffness, to our best knowledge this is the first to study height-width-depth relations at the level of the individual vertebra and disc in 3-D and to evaluate its relation with the Cobb angle severity. A unique series of high-resolution pre-operative computed tomographic (CT) scans of a total of 105 Chinese patients with moderate to severe AIS and 11 age-matched non-scoliotic controls were used for this study...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28414745/mapping-the-srs-22r-questionnaire-onto-the-eq-5d-5l-utility-score-in-patients-with-adolescent-idiopathic-scoliosis
#16
Carlos King Ho Wong, Prudence Wing Hang Cheung, Dino Samartzis, Keith Dip-Kei Luk, Kenneth M C Cheung, Cindy Lo Kuen Lam, Jason Pui Yin Cheung
This is a prospective study to establish prediction models that map the refined Scoliosis Research Society 22-item (SRS-22r) onto EuroQoL-5 dimension 5-level (EQ-5D-5L) utility scores in adolescent idiopathic scoliosis (AIS) patients. Comparison of treatment outcomes in AIS can be determined by cost-utility analysis. However, the mainstay spine-specific health-related quality of life outcome measure, the SRS-22r questionnaire does not provide utility assessment. In this study, AIS patients were prospectively recruited to complete both the EQ-5D-5L and SRS-22r questionnaires by trained interviewers...
2017: PloS One
https://www.readbyqxmd.com/read/28413830/an-observational-study-on-surgically-treated-adult-idiopathic-scoliosis-patients-quality-of-life-outcomes-at-1-and-2-year-follow-ups-and-comparison-to-controls
#17
Jennifer C Theis, Anna Grauers, Elias Diarbakerli, Panayiotis Savvides, Allan Abbott, Paul Gerdhem
BACKGROUND: Prospective data on health-related quality of life in patients with idiopathic scoliosis treated surgically as adults is needed. We compared preoperative and 1- and 2-year follow-up data in surgically treated adults with idiopathic scoliosis with juvenile or adolescent onset. Results were compared to untreated adults with scoliosis and population normative data. METHODS: A comparison of preoperative and 1- and 2-year follow-up data of 75 adults surgically treated for idiopathic scoliosis at a mean age of 28 years (range 18 to 69) from a prospective national register study, as well as a comparison with age- and sex-matched data from 75 untreated adults with less severe scoliosis and 75 adults without scoliosis, was made...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28405634/adolescents-with-idiopathic-scoliosis-and-their-parents-have-a-positive-attitude-towards-the-thermobrace-monitor-results-from-a-survey
#18
Sabrina Donzelli, Fabio Zaina, Gregorio Martinez, Francesca Di Felice, Alberto Negrini, Stefano Negrini
BACKGROUND: A temperature monitor is used to objectively measure brace wear time in adolescent idiopathic scoliosis. The reliability of this device have been demonstrated, and some specialists introduced the use of a compliance monitor as a standard of care in everyday clinical practice, as we did since 2010 with the Thermobrace (TB). The attitude towards these objective monitors has never been investigated. The present study aims to investigate the attitude of parents and patients towards the use of temperature sensors for measuring brace wear compliance...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28399556/incidence-of-pleural-fluid-and-its-associated-risk-factors-after-posterior-spinal-fusion-in-patients-with-adolescent-idiopathic-scoliosis
#19
Kazunori Hayashi, Hidetomi Terai, Hiromitsu Toyoda, Akinobu Suzuki, Masatoshi Hoshino, Koji Tamai, Shoichiro Ohyama, Hiroaki Nakamura
STUDY DESIGN: Retrospective review of prospectively-collected data. OBJECTIVE: To determine the incidence pleural fluid (PF) and its associated risk factors after posterior corrective spinal fusion (PCSF) in patients with adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: Subclinical PF is often observed after PCSF in AIS patients. However, a few reports have been published regarding the incidence, characteristics, and associated risk factors...
April 15, 2017: Spine
https://www.readbyqxmd.com/read/28393345/-bracing-in-adolescent-idiopathic-scoliosis
#20
Yi-Fang Lo, Yu-Chu Huang
Scoliosis is a common medical problem, with an incidence of between 0.47% and 5.2% in the general population globally. Adolescent idiopathic scoliosis (AIS) accounts for nearly 80% of all scoliosis. Young people with AIS often experience negative social consequences in association with their condition. Without proper and timely treatment, the potential resulting disabilities range from trunk deformity, pain, and neurological complications to compromised cardiopulmonary function, all of which may cause lifelong suffering...
April 2017: Hu Li za Zhi the Journal of Nursing
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