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https://www.readbyqxmd.com/read/28816822/selecting-the-lstv-as-the-lower-instrumented-vertebra-in-the-treatment-of-lenke-types-1a-and-2a-adolescent-idiopathic-scoliosis-a-minimal-3-year-follow-up
#1
Jinyi Bai, Kai Chen, Qiang Wei, Ziqiang Chen, Yu Chen, Haijian Ni, Yingchuan Zhao, Ming Li
STUDY DESIGN: Retrospective study. OBJECTIVE: The purpose of this study was to verify the last substantially touched vertebra (LSTV) as the ideal lower instrumented vertebra (LIV) and to identify predictive factors of adding-on in patients with Lenke type 1A and 2A curve patterns when LSTV was chosed as the LIV. SUMMARY OF BACKGROUND DATA: Although several studies have indicated that the use of the LSTV as the LIV can obtain favorable outcomes in Lenke 1A and 2A curves, the factors identifying patients with Lenke 1A and 2A curve patterns who should undergo a fusion extending beyond the LSTV have not been identified...
August 14, 2017: Spine
https://www.readbyqxmd.com/read/28800571/long-term-pulmonary-function-after-open-anterior-thoracolumbar-surgery-in-thoracolumbar-lumbar-idiopathic-adolescent-scoliosis
#2
Cristina Ruiz-Juretschke, Javier Pizones, Renato Delfino, Felisa Sánchez-Mariscal, Lorenzo Zúñiga, Enrique Izquierdo
STUDY DESIGN: A prospectively updated, long-term case series analysis. OBJECTIVE: The aim of this study was to report the effect of thoracolumbar anterior open surgery performed during adolescence on adult pulmonary function. SUMMARY OF BACKGROUND DATA: There seems to be subclinical impairment of pulmonary function in the mid-term (2-5 years) in patients who underwent thoracotomy or thoraco-phreno-laparotomy after adolescent idiopathic scoliosis (AIS) surgery...
August 15, 2017: Spine
https://www.readbyqxmd.com/read/28798984/midlife-changes-of-health-related-quality-of-life-in-adolescent-idiopathic-scoliosis-patients-who-underwent-spinal-fusion-during-adolescence
#3
Tsutomu Akazawa, Toshiaki Kotani, Tsuyoshi Sakuma, Shohei Minami, Yoshiaki Torii, Sumihisa Orita, Kazuhide Inage, Kazuki Fujimoto, Yasuhiro Shiga, Gen Inoue, Masayuki Miyagi, Wataru Saito, Seiji Ohtori, Hisateru Niki
PURPOSE: Our previous study reported a good health-related quality of life (HRQOL) in adolescent idiopathic scoliosis (AIS) patients 21 years or more after surgery. The purpose of this study is to investigate midlife changes in HRQOL among AIS patients who passed further 5 years from the previous survey. METHODS: Subjects were 252 individuals who underwent spinal fusion for AIS between 1968 and 1988. The survey was administered twice-in 2009 and in 2014 using Scoliosis Research Society Patient Questionnaire (SRS-22)...
August 10, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28796720/srs-22r-scores-in-nonoperated-adolescent-idiopathic-scoliosis-patients-with-curves-greater-than-forty-degrees
#4
W Timothy Ward, Nicole A Friel, Tanya S Kenkre, Maria M Brooks, Joanne A Londino, James W Roach
STUDY DESIGN: Case control comparative series. OBJECTIVE: Describe surgical range adolescent idiopathic scoliosis (AIS) patients electing to forgo surgery and compare health-related quality-of-life outcomes to a similar cohort of operated AIS patients by the same single surgeon. SUMMARY OF BACKGROUND DATA: No data have been published either documenting SRS-22r scores of nonoperated patients with curves ≥40° or comparing these scores to a demographically similar operated cohort...
August 15, 2017: Spine
https://www.readbyqxmd.com/read/28795156/results-of-ultrasound-assisted-brace-casting-for-adolescent-idiopathic-scoliosis
#5
Edmond H Lou, Doug L Hill, Andreas Donauer, Melissa Tilburn, Douglas Hedden, Marc Moreau
BACKGROUND: Four factors have been reported to affect brace treatment outcome: (1) growth or curve based risk, (2) the in-brace correction, (3) the brace wear quantity, and (4) the brace wear quality. The quality of brace design affects the in-brace correction and comfort which indirectly affects the brace wear quantity and quality. This paper reported the immediate benefits and results on using ultrasound (US) to aid orthotists to design braces for the treatment of scoliosis. METHODS: Thirty-four AIS subjects participated in this study with 17 (2 males, 15 females) in the control group and 17 (2 males, 15 females) in the intervention (US) group...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28790540/the-effect-of-adolescent-idiopathic-scoliosis-on-the-occurrence-of-varicose-veins-on-lower-extremities
#6
Goran Talic, Luka Talic, Djurdjica Stevanovic-Papica, Tatjana Nozica-Radulovic, Snjezana Novakovic-Bursac
INTRODUCTION: Scoliosis is a complex three-dimensional spine deformity with the frontal plane deflexion (side-shift) of the series of vertebra from the midline and with torque deformity of vertebra, ribs, and the entire trunk towards the apex of curve. Chronic venous diseases present a group of pathological conditions caused by the increased venous pressure. The venous pressure may be increased due to genetics, ligament laxity, general obesity, injuries, and changes in biomechanics of spine and lower extremities, etc...
April 2017: Medical Archives
https://www.readbyqxmd.com/read/28777161/lack-of-joint-hypermobility-increases-the-risk-of-surgery-in-adolescent-idiopathic-scoliosis
#7
Gabe Haller, Hannah Zabriskie, Shelby Spehar, Timothy Kuensting, Xavier Bledsoe, Ali Syed, Christina A Gurnett, Matthew B Dobbs
Generalized joint hypermobility (GJH) is a risk factor for developing adolescent idiopathic scoliosis (AIS); however, it is not known whether joint hypermobility influences the risk of progression to surgery. Beighton joint hypermobility scores were assessed in 570 female AIS patients. Multivariate analysis was carried out to determine whether Beighton hypermobility scores were predictors of surgical intervention. In this female AIS cohort, 24.7% (141/570) had GJH (Beighton score ≥4). Multivariate analysis showed that GJH did not influence the risk of surgery, although having no joint hypermobility (Beighton score=0) increased risk (odds ratio: 1...
August 2, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28776134/a-randomized-double-blinded-clinical-trial-to-evaluate-the-safety-and-efficacy-of-a-novel-superelastic-nickel-titanium-spinal-rod-in-adolescent-idiopathic-scoliosis-5-year-follow-up
#8
Jason Pui Yin Cheung, Dino Samartzis, Kelvin Yeung, Michael To, Keith Dip Kei Luk, Kenneth Man-Chee Cheung
PURPOSE: To evaluate the safety and efficacy of a superelastic shape-memory alloy (SNT) rod used in the treatment of adolescent idiopathic scoliosis (AIS). METHODS: AIS Patients with Lenke 1 curves undergoing fusion surgery were randomized (1:1) at the time of surgery to receive either the SNT or a conventional titanium alloy (CTA) rod. Radiographs were obtained preoperatively and postoperatively up to 5 years of follow-up. Parameters assessed included coronal and sagittal Cobb angles, and overall truncal and shoulder balance...
August 4, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28770254/3d-correction-of-ais-in-braces-designed-using-cad-cam-and-fem-a-randomized-controlled-trial
#9
Nikita Cobetto, Carl-Éric Aubin, Stefan Parent, Soraya Barchi, Isabelle Turgeon, Hubert Labelle
BACKGROUND: Recent studies showed that finite element model (FEM) combined to CAD/CAM improves the design of braces for the conservative treatment of adolescent idiopathic scoliosis (AIS), using 2D measurements from in-brace radiographs. We aim to assess the immediate effectiveness on curve correction in all three planes of braces designed using CAD/CAM and numerical simulation compared to braces designed with CAD/CAM only. METHODS: SRS standardized criteria for bracing were followed to recruit 48 AIS patients who were randomized into two groups...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28768786/posterior-spinal-fusion-for-adolescent-idiopathic-scoliosis-using-a-convex-pedicle-screw-technique-a-novel-concept-of-deformity-correction
#10
A I Tsirikos, G Mataliotakis, N Bounakis
AIMS: We present the results of correcting a double or triple curve adolescent idiopathic scoliosis using a convex segmental pedicle screw technique. PATIENTS AND METHODS: We reviewed 191 patients with a mean age at surgery of 15 years (11 to 23.3). Pedicle screws were placed at the convexity of each curve. Concave screws were inserted at one or two cephalad levels and two caudal levels. The mean operating time was 183 minutes (132 to 276) and the mean blood loss 0...
August 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28768503/comparison-of-low-density-and-high-density-pedicle-screw-instrumentation-in-lenke-1-adolescent-idiopathic-scoliosis
#11
Mingkui Shen, Honghui Jiang, Ming Luo, Wengang Wang, Ning Li, Lulu Wang, Lei Xia
BACKGROUND: The correlation between implant density and deformity correction has not yet led to a precise conclusion in adolescent idiopathic scoliosis (AIS). The aim of this study was to evaluate the effects of low density (LD) and high density (HD) pedicle screw instrumentation in terms of the clinical, radiological and Scoliosis Research Society (SRS)-22 outcomes in Lenke 1 AIS. METHODS: We retrospectively reviewed 62 consecutive Lenke 1 AIS patients who underwent posterior spinal arthrodesis using all-pedicle screw instrumentation with a minimum follow-up of 24 months...
August 2, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28767629/modic-changes-and-disc-degeneration-of-non-fused-segments-27-to-45-years-after-harrington-instrumentation-for-adolescent-idiopathic-scoliosis-comparison-to-healthy-controls
#12
Tsutomu Akazawa, Toshiaki Kotani, Tsuyoshi Sakuma, Shohei Minami, Sumihisa Orita, Kazuhide Inage, Kazuki Fujimoto, Yasuhiro Shiga, Yoshiaki Torii, Tasuku Umehara, Masahiro Iinuma, Shingo Kuroya, Hisateru Niki, Seiji Ohtori, Kazuhisa Takahashi
STUDY DESIGN: A case control study. OBJECTIVE: To investigate the long-term prevalence of the Modic changes and disc degeneration in the non-fused segments of the surgically treated adolescent idiopathic scoliosis (AIS) patients and compare with age- and sex-matched healthy controls. SUMMARY OF BACKGROUND DATA: No studies have looked at the association between Modic changes and low back pain in patients who underwent AIS surgery many years ago...
August 1, 2017: Spine
https://www.readbyqxmd.com/read/28767626/a-detailed-comparative-analysis-of-anterior-versus-posterior-approach-to-lenke-5c-curves
#13
Firoz Miyanji, Luigi A Nasto, Tracey Bastrom, Amer F Samdani, Burt Yaszay, David Clements, Suken A Shah, Baron Lonner, Randal R Betz, Harry L Shufflebarger, Peter O Newton
STUDY DESIGN: Prospective cohort study OBJECTIVE.: To prospectively compare radiographic, perioperative and functional outcomes between anterior spinal instrumented fusion (ASIF) and posterior spinal instrumented fusion (PSIF) in Lenke 5C curves. SUMMARY OF BACKGROUND DATA: Historically, ASIF has been the treatment of choice for treatment of thoracolumbar adolescent idiopathic scoliosis (AIS). More recently, PSIF has gained popularity for its ease, versatility and amount of correction achieved...
August 1, 2017: Spine
https://www.readbyqxmd.com/read/28766159/what-is-the-difference-in-morphologic-features-of-the-thoracic-pedicle-between-patients-with-adolescent-idiopathic-scoliosis-and-healthy-subjects-a-ct-based-case-control-study
#14
Bo Gao, Wenjie Gao, Chong Chen, Qinghua Wang, Shaochun Lin, Caixia Xu, Dongsheng Huang, Peiqiang Su
BACKGROUND: Describing the morphologic features of the thoracic pedicle in patients with adolescent idiopathic scoliosis is necessary for placement of pedicle screws. Previous studies showed inadequate reliability owing to small sample size and heterogeneity of the patients surveyed. QUESTIONS/PURPOSES: To use CT scans (1) to describe the morphologic features of 2718 thoracic pedicles from 60 female patients with Lenke Type 1 adolescent idiopathic scoliosis and 60 age-, sex-, and height-matched controls; and (2) to classify the pedicles in three types based on pedicle width and analyze the distribution of each type...
August 1, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28753636/comparison-of-segmental-spinal-movement-control-in-adolescents-with-and-without-idiopathic-scoliosis-using-modified-pressure-biofeedback-unit
#15
Hong-Ji Luo, Shi-Xiang Lin, Shyi-Kuen Wu, Mei-Wun Tsai, Shwn-Jen Lee
BACKGROUND: Postural rehabilitation emphasizing on motor control training of segmental spinal movements has been proposed to effectively reduce the scoliotic spinal deformities in adolescent idiopathic scoliosis (AIS). However, information regarding the impairments of segmental spinal movement control involving segmental spinal stabilizers in adolescent idiopathic scoliosis remains limited. Examination of segmental spinal movement control may provide a window for investigating the features of impaired movement control specific to spinal segments that may assist in the development of physiotherapeutic management of AIS...
2017: PloS One
https://www.readbyqxmd.com/read/28751241/flexibility-assessment-of-the-unfused-thoracic-segments-above-the-potential-upper-instrumented-vertebra-using-the-supine-side-bending-radiographs-in-lenke-5-and-6-curves-for-adolescent-idiopathic-scoliosis-patients
#16
Mun Keong Kwan, Chee Kidd Chiu, Teik Seng Chan, Siti Mariam Abd Gani, Tan Shurn Heng, Chris Yin Wei Chan
BACKGROUND CONTEXT: Selection of UIV for Lenke 5 and 6 curves remains debatable, and several authors had described different selection strategies. OBJECTIVE: This study analyzed the flexibility of the unfused thoracic segments above the 'potential upper instrumented vertebrae (UIV)' (T1 to T12) and its compensatory ability in Lenke 5 and 6 curves using supine side bending (SSB) radiographs. STUDY DESIGN: Retrospective study PATIENT SAMPLE: 100 patients OUTCOME MEASURES: The ability of the unfused thoracic segments above the 'potential upper instrumented vertebrae (UIV)' i...
July 24, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28746140/are-there-3d-changes-in-spine-and-rod-shape-in-the-2-years-after-adolescent-idiopathic-scoliosis-instrumentation
#17
Franck Le Navéaux, Hubert Labelle, Stefan Parent, Peter O Newton, Carl-Eric Aubin
STUDY DESIGN: Retrospective analysis of spine and rods 3D shape in the 2 years after adolescent idiopathic scoliosis (AIS) posterior surgical instrumentation. OBJECTIVE: To evaluate spine and rod shape 3D changes in the 2 years after AIS instrumentation with different rod materials. SUMMARY OF BACKGROUND DATA: Postoperative loss of correction has been reported with modern segmental instrumentation. The postoperative 3D rod shape changes of different rod materials and their implication in postoperative loss of correction have never been studied...
August 1, 2017: Spine
https://www.readbyqxmd.com/read/28742737/the-azygos-vein-is-at-potential-risk-of-injury-from-malpositioning-of-left-thoracic-pedicle-screw-in-thoracic-adolescent-idiopathic-scoliosis-patients
#18
Jun Jiang, Bang-Ping Qian, Yong Qiu, Bin Wang, Yang Yu, Ze-Zhang Zhu
STUDY DESIGN: A computed tomography study. OBJECTIVE: To evaluate the changed position of azygos vein in patients with thoracic adolescent idiopathic scoliosis (AIS) and to analyze the potential risk of injury of azygos vein from thoracic pedicle screw placement in these patients. SUMMARY OF BACKGROUND DATA: It has been widely recognized that the anatomic positions of structures adjacent to the vertebrae may change in patients with AIS. To date, no study had evaluated such change of azygos vein in patients with AIS...
August 1, 2017: Spine
https://www.readbyqxmd.com/read/28725867/revisiting-the-psychometric-properties-of-the-scoliosis-research-society-22-srs-22-french-version
#19
Jean Théroux, Norman Stomski, Stanley Innes, Ariane Ballard, Christelle Khadra, Hubert Labelle, Sylvie Le May
BACKGROUND: Adolescent idiopathic scoliosis (AIS) is among the most common spinal deformities affecting adolescents. The Scoliosis Research Society-22 questionnaire is commonly used to assess health-related quality of life in AIS patients, including pain. The objective of this study is to verify the psychometric properties of the Scoliosis Research Society-22 French version (SRS-22fv) questionnaire. METHODS: A prospective methodological design was used to verify the psychometric properties of the French version of the SRS-22fv...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28723878/evolution-of-surgery-for-adolescent-idiopathic-scoliosis-over-20-years-have-outcomes-improved
#20
Baron S Lonner, Yuan Ren, Burt Yaszay, Patrick J Cahill, Suken A Shah, Randal R Betz, Amer F Samdani, Harry L Shufflebarger, Peter O Newton
STUDY DESIGN: Retrospective review of a prospective Adolescent Idiopathic Scoliosis (AIS) registry OBJECTIVE.: To study the evolution of the operative approach, outcomes and complication rates in AIS surgery over the past 20 years. METHODS: 1819 AIS patients (1995-2013) with 2-year F/U were studied. Operative approach, perioperative parameters, major complication rates, and SRS outcomes were assessed. Linear regression was used to assess the trend of changes over 5-year quartiles...
July 18, 2017: Spine
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