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adolescent idiopathic scoliosis

Wafa Skalli, Claudio Vergari, Eric Ebermeyer, Isabelle Courtois, Xavier Drevelle, Remi Kohler, Kariman Abelin-Genevois, Jean Dubousset
STUDY DESIGN: Early detection of progressive adolescent idiopathic scoliosis (AIS) was assessed based on 3D quantification of the deformity. OBJECTIVE: Based on 3D quantitative description of scoliosis curves, the aim is to assess a specific phenotype that could be an early detectable severity index for progressive AIS. SUMMARY OF BACKGROUND DATA: Early detection of progressive scoliosis is important for adapted treatment to limit progression...
October 24, 2016: Spine
Mitsuhiro Nishida, Takeo Nagura, Nobuyuki Fujita, Naobumi Hosogane, Takashi Tsuji, Masaya Nakamura, Morio Matsumoto, Kota Watanabe
BACKGROUND AND PURPOSE: Adolescent idiopathic scoliosis (AIS) is a structural, lateral curvature with rotation of the spine that develops around puberty. The influence of this spinal deformity on three-dimensional trunk movements during gait has not yet been elucidated. The aim of this study was to determine the influence of spinal curve pattern (single thoracic curve vs. single lumbar curve) on trunk kinematics during gait. METHODS: Twenty-two patients with a single thoracic curve (Lenke type 1) and 17 patients with a single lumbar curve (Lenke type 5) were included in this study...
October 11, 2016: Gait & Posture
Pooria Hosseini, Colin Nnadi, Ľuboš Rehák, Martin Repko, Michael Grevitt, Ufuk Aydinli, Allen Carl, Jeff Pawelek, Dennis Crandall, Behrooz A Akbarnia
STUDY DESIGN: A prospective, nonrandomized, multicenter study. OBJECTIVES: The purpose of this study was to evaluate the amount of motion present at instrumented but unfused segments and at motion segments adjacent to the instrumentation following application of a new posterior apical short-segment correction technique for correcting adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: High-density pedicle screw instrumentation and posterior arthrodesis of all instrumented levels is the most common surgical treatment for AIS stabilization...
October 15, 2016: Spine
Linlu Zhao, Darren M Roffey, Suzan Chen
STUDY DESIGN: Systematic review and meta-analysis. OBJECTIVE: To assess and synthesize the current evidence on the association between the rs1256120 single nucleotide polymorphism (SNP) of the estrogen receptor beta gene (ESR2) and adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: Hormonal disturbance has been postulated as a potential etiological factor in the development of AIS. As estrogen receptors are important mediators of estrogen response, mutations in these genes, including rs1256120 of ESR2, have been chosen as susceptibility candidates for AIS predisposition...
October 17, 2016: Spine
Malene Rask Andersen, Muhammad Farooq, Karen Koefoed, Klaus W Kjaer, Ane Simony, Sren Tvorup Christensen, Lars Allan Larsen
STUDY DESIGN: Mutation analysis of a candidate disease gene in a cohort of patients with moderate to severe Adolescent idiopathic scoliosis (AIS). OBJECTIVE: To investigate if damaging mutations in the planar cell polarity gene VANGL1 could be identified in AIS patients. SUMMARY OF BACKGROUND DATA: AIS is a spinal deformity which occurs in 1-3% of the population. The cause of AIS is often unknown, but genetic factors are important in the etiology...
October 17, 2016: Spine
Xiaoyu Wang, Laure Boyer, Franck Le Naveaux, Richard M Schwend, Carl-Eric Aubin
BACKGROUND: Differential rod contouring is used to achieve 3-dimensional correction in adolescent idiopathic scoliosis instrumentations. How vertebral rotation correction is correlated with the amount of differential rod contouring is still unknown; too aggressive differential rod contouring may increase the risk of bone-screw connection failure. The objective was to assess the 3-dimensional correction and bone-screw forces using various configurations of differential rod contouring. METHODS: Computerized patient-specific biomechanical models of 10 AIS cases were used to simulate AIS instrumentations using various configurations of differential rod contouring...
October 6, 2016: Clinical Biomechanics
Karen Thomson, Sophie R Pestieau, Janish J Patel, Heather Gordish-Dressman, Ariana Mirzada, Zeev N Kain, Matthew E Oetgen
BACKGROUND: The Perioperative Surgical Home (PSH) is a patient-centered, team-based approach that aims to improve the value of perioperative care. We implemented a PSH for patients with adolescent idiopathic scoliosis who were undergoing posterior spinal fusion at Children's National Health System. We hypothesized that this PSH would improve patient surgical outcomes and reduce hospital length of stay (LOS). METHODS: A multidisciplinary group created evidence-based protocols for the preoperative, operative, postoperative, and postdischarge care of this patient population...
October 3, 2016: Anesthesia and Analgesia
Mun Keong Kwan, Chee Kidd Chiu, Chris Yin Wei Chan
PURPOSE: To assess the pattern of intra-operative blood loss at various surgical stages comparing between single and two surgeons. METHODS: Lenke 1 and 2 adolescent idiopathic scoliosis (AIS) patients who underwent instrumented posterior spinal fusion (PSF) surgery from two centres between June 2014 and December 2015 were prospectively recruited into this study. The patients were grouped into Group 1 (single surgeon) and Group 2 (two surgeons). One to one matching using 'prospective propensity score-matched cohort patient sampling method' was done...
October 12, 2016: European Spine Journal
Takahiro Makino, Takashi Kaito, Yusuke Sakai, Shota Takenaka, Kazuomi Sugamoto, Hideki Yoshikawa
BACKGROUND: Vertebral bodies in patients with adolescent idiopathic scoliosis (AIS) usually have frontal wedge deformities. However, the plasticity of the deformed vertebrae in skeletally immature patients is unknown. The purpose of our study was to clarify the plasticity of vertebral deformities in skeletally immature patients with AIS by using in vivo three-dimensional (3D) analysis. METHODS: Ten female patients with AIS (mean age, 12.2 years; three patients, Lenke type 1; five patients, type 2; two patients, type 5) who underwent posterior fusion and whose Risser grade was ≤3 at surgery were included...
October 12, 2016: BMC Musculoskeletal Disorders
Chunping Du, Jiadan Yu, Jiaqi Zhang, Jiaojiao Jiang, Huabin Lai, Wei Liu, Yang Liu, Hao Li, Pu Wang
OBJECTIVE: To investigate relevant aspects of functioning and disability, and environmental factors in people with adolescent idiopathic scoliosis according to patients' self-reports based on the International Classification of Functioning, Disability and Health for Children and Youth (ICF-CY). DESIGN: Multicentre, empirical, cross-sectional study. SETTING: Four departments of orthopaedics in 4 hospitals, and 5 departments of rehabilitation medicine in 5 hospitals...
October 12, 2016: Journal of Rehabilitation Medicine
Arnaud Dubory, Lotfi Miladi, Brice Ilharreborde, Jean-Marie Gennari, Jihane Rouissi, Christophe Glorion, Charles Henri Flouzat Lachaniette, Thierry Odent
PURPOSE: Anterior fusion is a well-established procedure for the treatment of Lenke 5C adolescent idiopathic scoliosis (AIS). This retrospective study aimed to assess preoperative and postoperative radiographic differences between the conventional anterior fusion and anterior short fusions (ASF) in Lenke 5C AIS. METHODS: Radiographic data of 42 consecutive cases of Lenke 5C AIS, which were surgically treated through anterior segmental fusion, were analyzed retrospectively...
October 4, 2016: European Spine Journal
Timothy C Borden, Laura L Bellaire, Nicholas D Fletcher
The complex nature of the surgical treatment of adolescent idiopathic scoliosis (AIS) requires a wide variety of health care providers. A well-coordinated, multidisciplinary team approach to the care of these patients is essential for providing high-quality care. This review offers an up-to-date overview of the numerous interventions and safety measures for improving outcomes after AIS surgery throughout the perioperative phases of care. Reducing the risk of potentially devastating and costly complications after AIS surgery is the responsibility of every single member of the health care team...
2016: Journal of Multidisciplinary Healthcare
Sohail Rafi, Naseem Munshi, Asad Abbas, Rabia Hassan Shaikh, Imtiaz Hashmi
INTRODUCTION: Adolescent idiopathic scoliosis is the most common type of scoliosis. A Cobb angle of 50° will progress beyond the age of spinal maturity. Surgery over bracing is advised at a Cobb angle above or equal to 50°. The aim of surgery is to bring the Cobb angle down below 50° to prevent reprogression as well as improve the quality of life. The objective of the study is to analyze the efficacy and significance in lifestyle improvement of pedicle screw-only fixation system versus the more common hybrid instrumentation system used for the surgical treatment of adolescent idiopathic scoliosis...
October 2016: Journal of Neurosciences in Rural Practice
Kazuyoshi Kobayashi, Shiro Imagama, Zenya Ito, Kei Ando, Tetsuro Hida, Kenyu Ito, Mikito Tsushima, Yoshimoto Ishikawa, Akiyuki Matsumoto, Yoshihiro Nishida, Naoki Ishiguro
OBJECTIVE Corrective surgery for spinal deformities can lead to neurological complications. Several reports have described spinal cord monitoring in surgery for spinal deformity, but only a few have included patients younger than 20 years with adolescent idiopathic scoliosis (AIS). The goal of this study was to evaluate the characteristics of cases with intraoperative transcranial motor evoked potential (Tc-MEP) waveform deterioration during posterior corrective fusion for AIS. METHODS A prospective database was reviewed, comprising 68 patients with AIS who were treated with posterior corrective fusion in a prospective database...
September 30, 2016: Journal of Neurosurgery. Pediatrics
Rob C Brink, Tom P C Schlösser, Dino Colo, Ludvig Vavruch, Marijn van Stralen, Koen L Vincken, Marcus Malmqvist, Moyo C Kruyt, Hans Tropp, René M Castelein
STUDY DESIGN: Cross-sectional. OBJECTIVE: To investigate the presence and magnitude of anterior spinal overgrowth in neuromuscular scoliosis and compare this to the same measurements in idiopathic scoliosis and healthy spines. SUMMARY OF BACKGROUND DATA: Anterior spinal overgrowth has been described as a potential driver for the onset and progression of adolescent idiopathic scoliosis (AIS). Whether this anterior overgrowth is specific for AIS or also present in non-idiopathic scoliosis has not been reported...
September 28, 2016: Spine
Jean Claude De Mauroy, Sophie Pourret, Frédéric Barral
OBJECTIVE: ART is the acronym for Asymmetry, Rigid, Torsion. The realization of this brace is based on new concepts (circled helicoid, global detorsion, Soft Contact, Mayonnaise tube effect, axilla baby lift, wrench & bolt…). The excellent in-brace correction has been proved on a consecutive series of 141 AIS selected according to the SRS criteria in a prospective database. Results at six months and a year were compared with those of the former Lyon brace and confirm that these good results remain constant...
September 2016: Annals of Physical and Rehabilitation Medicine
Jean-Claude Bernard, Eric Berthonnaud, Nuria Rodriguez-Martinez, Julie Deceuninck, Emmanuelle Chaleat-Valayer
OBJECTIVE: Three-dimensional imaging was performed to identify if Lenke 1A curves could be reclassified in subgroups to improved orthopedic or surgical treatment of adolescent idiopathic scoliosis. It seems that multitude of 3D reconstructions can exist in Lenke 1A curves. With his classification Lenke introduces new parameters in radiographic analysis of idiopathic scoliosis like frontal lumbar and thoracic sagittal modifiers. Scoliosis is defined as a three dimensional deformity in frontal, sagittal and horizontal plane...
September 2016: Annals of Physical and Rehabilitation Medicine
Victor Bobin, Julien Durigneux, Juliette Palussiere, Pierre Beranger, Henry-François Parent, Mickaël Dinomais
OBJECTIVE: No irradiant techniques of analysis of deformations of the spine, by surface topography, have been developed with a view to detecting scoliosis and monitoring its progression during growth. The objective of our work was to study the evolution of back surface topography parameters by BIOMOD TM-L in adolescents with idiopathic scoliosis treated with plaster and progressive felting. MATERIAL/PATIENTS AND METHODS: Children with severe idiopathic scoliosis, for which a plaster more felting treatment before a brace was indicated, and has received a topographic and radiological acquisition before and after the realization of plaster, and up to one year after the start of treatment, were included...
September 2016: Annals of Physical and Rehabilitation Medicine
Thomas Péron, Raphaëlle Plassat
OBJECTIVE: The "Centre médical & pédagogique (CM&P) de Rennes-Beaulieu" prepares adolescents for surgical treatment of their idiopathic scoliosis (IS). This surgery has respiratory short-term consequences to the forefront of immediate complications. Two years after the surgery, the ventilatory status is correlated to preoperative pulmonary function. The objective of the present work is to evaluate the effects of our preparation program. MATERIALS/PATIENTS AND METHODS: Eight teenagers followed our at home preparation program, including aerobic training, inspiratory muscle training and chest mobilizations during 2 months...
September 2016: Annals of Physical and Rehabilitation Medicine
Jean Claude De Mauroy, Sophie Pourret, Frédéric Barral
OBJECTIVE: All recent studies confirm that the outcome of a conservative orthopaedic treatment depends on the compliance and the effectiveness of bracing measured by immediate in-brace curve correction. There is a correlation between immediate in-brace correction and biomechanical effectiveness of brace treatment in adolescent idiopathic scoliosis. In a retrospective analysis of the immediate in-brace correction obtained from a consecutive series of patients treated by the major SOSORT teams, the conclusion was that an effective brace should be able to achieve 50% correction of the curve magnitude, immediately after application...
September 2016: Annals of Physical and Rehabilitation Medicine
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