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https://www.readbyqxmd.com/read/29101314/clinical-and-radiological-analysis-of-bryan-cervical-artificial-disc-replacement-for-skip-multi-segment-cervical-spondylosis-long-term-follow-up-results
#1
Zikun Shang, Yingze Zhang, Di Zhang, Wenyuan Ding, Yong Shen
BACKGROUND The aim of this study was to retrospectively analyze the clinical and radiological efficacy of Bryan cervical artificial disc replacement (ADR) for "skip" multi-segment cervical spondylosis (SCS). MATERIAL AND METHODS We enrolled 49 patients with SCS treated with either Bryan cervical ADR (18 cases) or ACDF (31 cases). Each case was evaluated preoperatively and at more than 48 months postoperatively in follow-up using the JOA, NDI, and VAS. Cervical sagittal curvature, total cervical ROM, and degree of middle segments of motion were also evaluated...
November 4, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29055221/cage-with-anterior-plating-is-advantageous-over-the-stand-alone-cage-for-segmental-lordosis-in-the-treatment-of-two-level-cervical-degenerative-spondylopathy-a-retrospective-study
#2
Paolo Perrini, Federico Cagnazzo, Nicola Benedetto, Riccardo Morganti, Carlo Gambacciani
OBJECTIVES: To compare retrospectively the clinical and radiological outcomes in cervical spinal alignment after two consecutive levels PEEK cage-assisted ACDF when performed with or without plate fixation PATIENTS AND METHODS: Seventy-eight patients underwent two consecutive levels PEEK cage-assisted ACDF without plating (56 patients) or supplemented with plating (22 patients). The average clinical follow-up was 31.40±12.98months. The authors compared clinical parameters (Neck disability index and Robinson criteria), perioperative parameters (hospital stays, complications), and radiological parameters (global lordotic curvature, segmental lordosis, segmental height)...
October 16, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29046898/the-role-of-the-paravertebral-muscles-in-adolescent-idiopathic-scoliosis-evaluated-by-temporary-paralysis
#3
Christian Wong, Kasper Gosvig, Stig Sonne-Holm
BACKGROUND: Muscle imbalance has been suggested as implicated in the pathology of adolescent idiopathic scoliosis (AIS). The specific "pathomechanic" role of the paravertebral muscles as being scoliogenic (inducing scoliosis) or counteracting scoliosis in the initial development and maintenance of this spinal deformity has yet to be clarified in humans. In the present study, we investigated the radiographic changes of temporal paralysis using botulinum toxin A as localized injection therapy (ITB) in the psoas major muscle in AIS patients...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/29037653/adolescent-idiopathic-scoliosis-the-tethered-spine-iii-is-fascial-spiral-the-key
#4
Lucy Whyte Ferguson
This article reports on an observational and treatment case series involving 22 adolescents and preadolescents treated over a 15 year period who had or appeared to be developing idiopathic scoliosis (IS). Common patterns of muscle and fascial asymmetry were observed and treated. Most of these individuals had spinal area pain and the trigger points (TrPs) apparently responsible for this pain were located in muscles at some distance from the spine, yet referred pain to locations throughout the thoracolumbar spine...
October 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29028790/imaging-factors-that-distinguish-between-patients-with-asymptomatic-and-symptomatic-cervical-spondylotic-myelopathy-with-mild-to-moderate-cervical-spinal-cord-compression
#5
Jun Ming Cao, Jing Tao Zhang, Da Long Yang, Yi Peng Yang, He Huan Xia, Liu Yang
BACKGROUND Not all patients with spinal cord compression due to cervical spondylotic myelopathy (CSM) have clinical symptoms and signs. The aim of this study was to investigate and compare the imaging findings in asymptomatic and symptomatic patients with CSM with mild to moderate cervical spinal cord compression. MATERIAL AND METHODS A retrospective clinical study included 68 patients. Group A (n=30) had no symptoms and signs; group B (n=38) had symptoms and signs of cervical myelopathy. The age, sex, body mass index (BMI), history of steroid treatment, duration of symptoms, number of spondylotic cervical segments, Torg ratio, range of motion (ROM), incidence of cervical segmental instability, overall curvature of the cervical spine, direction of spinal cord compression, and spinal cord magnetic resonance imaging (MRI) signal intensity were compared...
October 13, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29017980/predisposing-factors-of-fracture-nonunion-after-posterior-c1-lateral-mass-screws-combined-with-c2-pedicle-laminar-screws-fixation-for-type-ii-odontoid-fracture
#6
Hui Wang
INTRODUCTION: The aim of this study was to explore the predisposing factors for fracture nonunion after C1 lateral screw combined with C2 pedicle/laminar screw for type II odontoid fracture, and hope to provide references in decision making and surgical planning for spinal surgeons. METHODS: This is a retrospective study. By retrieving the medical records from January 2010 to July 2015 in our hospital, 117 type II odontoid fracture patients were reviewed. According to the occurrence of fracture union at the final follow up, patients were divided into two groups: Union group and Non-union group...
October 7, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28988269/analysis-of-anteroposterior-spinal-curvatures-in-child-violinists-from-music-schools
#7
Anna Cygańska, Aleksandra Truszczyńska-Baszak, Justyna Drzał-Grabiec, Adam Tarnowski
Young musicians often report problems with their upper limbs and spine due to their specific and asymmetric positions and actions while playing, which may contribute to overloading these structures. Diagnosing any disorders to the upper limbs or spine early may help to minimize the risk of developing any serious instrument-related health problems in the future. The aim of this study was to assess the anteroposterior (AP) spinal curvatures in children learning to play the violin. Previous studies have shown anthropomorphic differences in young adult musicians, and our study examined if these differences appeared early or late in the musician's career...
September 2017: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/28969262/efficacy-of-task-oriented-exercise-program-based-on-ergonomics-on-cobb-s-angle-and-pulmonary-function-improvement-in-adolescent-idiopathic-scoliosis-a-randomized-control-trial
#8
Arvind Kumar, Santosh Kumar, Vineet Sharma, R N Srivastava, Anil Kumar Gupta, Anit Parihar, Vikas Verma, Dileep Kumar
INTRODUCTION: Scoliosis is lateral curvature of the spine greater than 100 accompanied by vertebral rotation. The prime risk factors for curve progression are a large curve magnitude, skeletal immaturity and female gender. The curve progression can be recorded by measuring the curve magnitude using the Cobb's method on radiographs. AIM: To assess the effect of task oriented exercises based on ergonomics on Cobb's angle and pulmonary functions on one year outcome of Adolescent Idiopathic Scoliosis(AIS) (defined as curves < 150 for thoracolumbar region and < 200 for thoracic region)...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28965448/neuromuscular-scoliosis-complication-rates-from-2004-to-2015-a-report-from-the-scoliosis-research-society-morbidity-and-mortality-database
#9
Daniel Cognetti, Heather M Keeny, Amer F Samdani, Joshua M Pahys, Darrell S Hanson, Kathy Blanke, Steven W Hwang
OBJECTIVE Postoperative complications are one of the most significant concerns in surgeries of the spine, especially in higher-risk cases such as neuromuscular scoliosis. Neuromuscular scoliosis is a classification of multiple diseases affecting the neuromotor system or musculature of patients leading to severe degrees of spinal deformation, disability, and comorbidity, all likely contributing to higher rates of postoperative complications. The objective of this study was to evaluate deformity correction of patients with neuromuscular scoliosis over a 12-year period (2004-2015) by looking at changes in postsurgical complications and management...
October 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28965442/the-impact-of-curve-severity-on-obstetric-complications-and-regional-anesthesia-utilization-in-pregnant-patients-with-adolescent-idiopathic-scoliosis-a-preliminary-analysis
#10
Emily W Chan, Stephen R Gannon, Chevis N Shannon, Jeffrey E Martus, Gregory A Mencio, Christopher M Bonfield
OBJECTIVE Adolescent idiopathic scoliosis (AIS), the most common type of scoliosis, often presents immediately prior to a woman's childbearing years; however, research investigating the impact of AIS on women's health, particularly pregnancy delivery outcomes, is sparse, with existing literature reporting mixed findings. Similarly limited are studies examining the change in scoliotic curve during or after pregnancy. Therefore, this study aims to determine 1) the impact of scoliotic curvature on obstetric complications (preterm births, induction of labor, and urgent/emergency caesarean section delivery), 2) regional anesthetic decision making and success during delivery for these patients, and 3) the effect of pregnancy on curve progression...
October 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28964497/are-there-characteristic-motion-patterns-in-the-lumbar-spine-during-flexion
#11
Thomas Zander, Maxim Bashkuev, Hendrik Schmidt
Flexion is the main motion of the lumbar spine. While in vitro tests with pure moments suggest larger intra-segmental rotations for the more caudal segments, in vivo results show diverging motion distributions. The present study analysed the motion distribution in vivo of 320 asymptomatic subjects. The change of the back curvature between standing and upper body flexion was determined using a non-invasive measurement device. Linear, bilinear, trilinear, quadratic, and cubic regression models were fitted to the segmental motion distribution over the lengths of the lordosis to categorise characteristic motion patterns...
September 14, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28961509/developmental-toxicity-and-cardiac-effects-of-butyl-benzyl-phthalate-in-zebrafish-embryos
#12
Guijin Sun, Kechun Liu
Phthalic acid esters (PAEs), commonly called phthalates, have become ubiquitous environment pollutants. Studies have focused on reproductive toxicity, neurotoxicity, teratogenicity, tumourigenesis, and mutagenesis of phthalates. However, relatively little is known about the phthalates effects on the heart. Butyl benzyl phthalate (BBP), a member of PAEs, is classified by the US Environmental Protection Agency as a priority environmental pollutant. We studied the developmental toxicity of BBP, especially its effects on the heart development, in zebrafish (Danio rerio) embryos...
September 22, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28953709/differential-rod-contouring-is-essential-for-improving-vertebral-rotation-in-patients-with-adolescent-idiopathic-scoliosis-thoracic-curves-assessed-with-intraoperative-ct
#13
Shoji Seki, Peter O Newton, Yasuhito Yahara, Hiroto Makino, Masato Nakano, Norikazu Hirano, Yoshiharu Kawaguchi, Tomoatsu Kimura
STUDY DESIGN: Case series. OBJECTIVE: We investigated the contributions of rod contouring and of differential rod contouring (DRC) to the reduction of apical axial vertebral body rotation in patients with adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: DRC is used for posterior spinal correction and fusion. The contribution of DRC to vertebral body derotation is unclear. METHODS: We analyzed the results of intraoperative computed tomography (CT) in 40 consecutive AIS patients with thoracic curves (Lenke type I or II, 35; type III or IV, 5)...
September 26, 2017: Spine
https://www.readbyqxmd.com/read/28946537/the-posture-of-adolescent-male-handball-players-a-two-year-study
#14
Małgorzata Grabara
BACKGROUND: Young athletes at the stage of growth acceleration tend to exhibit increased susceptibility to postural abnormalities, especially in the trunk region. The aim of this study was to assess and compare the posture in male adolescent handball players over two years of regular training sessions. METHODS: The study group comprised 21 handball players. At the start of the study 15 participants were aged 14 and 6 participants were aged 15 (mean 14.25 ± 0.58)...
June 2, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28946536/test-retest-reliability-and-validity-of-a-motion-capture-mocap-system-for-measuring-thoracic-and-lumbar-spinal-curvatures-and-sacral-inclination-in-the-sagittal-plane
#15
José M Muyor, Francisco M Arrabal-Campos, Carmen Martínez-Aparicio, Antonia Sánchez-Crespo, Manuel Villa-Pérez
OBJECTIVE: To evaluate the test-retest reliability and validity of the MOCAP system for measuring spinal sagittal thoracic and lumbar curvatures and sacral inclination in a standing posture. METHODS: Twenty-five male adults were evaluated on lateral standing radiographs. The thoracic and lumbar curvatures were calculated by Harrison's posterior tangent method. The sacral inclination was defined as the angle between the tangent line of the sacral and vertical plane...
June 12, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28885287/whether-orthotic-management-and-exercise-are-equally-effective-to-the-patients-with-adolescent-idiopathic-scoliosis-in-mainland-china-a-randomized-controlled-trial-study
#16
Yu Zheng, Yini Dang, Yan Yang, Huabo Li, Lijie Zhang, Edmond H M Lou, Chengqi He, M S Wong
STUDY DESIGN: Prospective randomized controlled trial OBJECTIVE.: To investigate the effectiveness of orthotic management versus exercise on spinal curvature, body symmetry and quality of life. SUMMARY OF BACKGROUND DATA: A number of well-designed studies comparing conservative treatment of adolescent idiopathic scoliosis have been conducted and the evidence becomes stronger. However, there is a lack of the information on the effectiveness of orthotic management versus exercise...
September 6, 2017: Spine
https://www.readbyqxmd.com/read/28882349/spine-growth-modulation-in-early-adolescent-idiopathic-scoliosis-two-year-results-of-prospective-us-fda-ide-pilot-clinical-safety-study-of-titanium-clip-screw-implant
#17
Eric J Wall, Joseph E Reynolds, Viral V Jain, Donita I Bylski-Austrow, George H Thompson, Paul J Samuels, Sean J Barnett, Alvin H Crawford
STUDY DESIGN: Prospective pilot clinical safety study of novel treatment, consecutive case series from first human use in patients with early adolescent idiopathic scoliosis (AIS). OBJECTIVE: The primary purpose was to determine the initial safety of a titanium clip-screw implant system for spine growth modulation. The secondary aim was to document curvatures to 2 years postoperatively. SUMMARY OF BACKGROUND DATA: Spinal growth modulation was documented in preclinical studies...
September 2017: Spine Deformity
https://www.readbyqxmd.com/read/28881121/the-predictable-factors-of-the-postoperative-kyphotic-change-of-sagittal-alignment-of-the-cervical-spine-after-the-laminoplasty
#18
Jun Seok Lee, Dong Wuk Son, Su Hun Lee, Dong Ha Kim, Sang Weon Lee, Geun Sung Song
OBJECTIVE: Laminoplasty is an effective surgical method for treating cervical degenerative disease. However, postoperative complications such as kyphosis, restriction of neck motion, and instability are often reported. Despite sufficient preoperative lordosis, this procedure often aggravates the lordotic curve of the cervical spine and straightens cervical alignment. Hence, it is important to examine preoperative risk factors associated with postoperative kyphotic alignment changes. Our study aimed to investigate preoperative radiologic parameters associated with kyphotic deformity post laminoplasty...
September 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28872419/impact-of-scoliosis-severity-on-functional-capacity-in-patients-with-adolescent-idiopathic-scoliosis
#19
Bruna M A Saraiva, Geferson S Araujo, Evandro F Sperandio, Alberto O Gotfryd, Victor Z Dourado, Milena C Vidotto
The aim of this study is to evaluate the walked distance and physiological responses during Incremental Shuttle Walk Test (ISWT) in patients with different degrees of adolescent idiopathic scoliosis (AIS). METHOD: We evaluated 20 healthy teenagers and 46 with AIS were divided into two groups: AIS > 45° and AIS < 45º. The volunteers performed an ISWT and the following physiological responses were quantified: oxygen consumption (VO2), tidal volume (VT) and ventilation (VE) and the walked distance (ISWD)...
September 5, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28869887/chronic-toxicity-of-1-3-5-triazine-herbicides-in-the-postembryonic-development-of-the-western-clawed-frog-silurana-tropicalis
#20
Masahiro Saka, Noriko Tada, Yoichi Kamata
Seven 1,3,5- triazine (s-triazine) herbicides (ametryn, prometryn, dimethametryn, simazine, atrazine, propazine, and cyanazine) were tested using an amphibian (Silurana tropicalis) metamorphosis assay focusing on morphometric, gravimetric, and thyroid-histological endpoints. Premetamorphic tadpoles were exposed to each s-triazine at 2 concentrations between 1/1000 and 1/10 of the 96-h acute toxicity values, until all tadpoles in the control group reached either the late prometamorphosic stages or the initial stage of metamorphic climax...
January 2018: Ecotoxicology and Environmental Safety
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