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https://www.readbyqxmd.com/read/29772854/-observation-of-early-clinical-effect-of-percutaneous-transforaminal-endoscopic-technology-in-treating-cervical-spondylotic-radiculopathy
#1
Ying-Chun Zhang, Tai-Sheng Chen, Hua Zhu
OBJECTIVE: To explore the early clinical effect and safety of percutaneous transforaminal endoscopic technology for cervical spondylotic radiculopathy. METHODS: From August 2016 to September 2017, 14 patients with cervical spondylotic radiculopathy who responded poorly to non-surgical treatment for at least 6 weeks underwent percutaneous transforaminal endoscopic discectomy via posterior approach. There were 6 males and 8 females, aging from 32 to 68 years old with an average of (40...
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29758964/the-effect-of-sitting-posture-on-the-loads-at-cervico-thoracic-and-lumbosacral-joints
#2
Yuri Kwon, Ji-Won Kim, Jae-Hoon Heo, Hyeong-Min Jeon, Eui-Bum Choi, Gwang-Moon Eom
BACKGROUND: The sitting in an awkward posture for a prolonged time may lead to spinal or musculoskeletal disease. It is important to investigate the joint loads at spine while sitting. OBJECTIVE: The purpose of this study was to investigate the joint moment and antero-posterior (AP) reaction force at cervico-thoracic and lumbosacral joint for various sitting postures. METHODS: Twenty healthy males participated in this study. Six sitting postures were defined from three spinal curvatures (slump, flat, and lordosis) and two arm postures (arms-on-chest and arms-forward)...
April 24, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29735137/two-level-osteotomy-for-correcting-severe-ankylosing-spondylitis-kyphosis-radiologic-outcomes-of-different-osteotomy-position-selection-strategy-for-different-type-of-patients
#3
Chao Liu, Guoquan Zheng, Yue Guo, Kai Song, Xiangyu Tang, Xuesong Zhang, Zheng Wang, Yan Wang
OBJECTIVE: To report on the radiologic outcomes of different osteotomy position-selection strategies for a two-level osteotomy for correcting severe ankylosing spondylitis kyphosis. METHODS: From July 2009 to September 2016, a total of 46 patients in our department with severe ankylosing spondylitis kyphosis who underwent two-level pedicle subtraction osteotomy (PSO) were studied. Pre- and postoperative relevant parameters were recorded. The patients were divided into two types and further separated into four groups...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29735129/the-use-of-arm-span-as-a-substitute-for-height-in-calculating-body-mass-index-bmi-for-spine-deformity-patients
#4
Harriet Opoku, Theresa Yirerong, Belinda Osei-Onwona, Oheneba Boachie-Adjei
OBJECTIVE: To compare arm span and height in body mass index (BMI) calculation in patients with spinal curvature and investigate their impact on interpretation of BMI. STUDY DESIGN: Prospective case-control cohorts. SUMMARY OF BACKGROUND DATA: The BMI value is based on weight to height ratio. Spine deformity patients experience height loss and its use in calculating BMI is likely to produce errors. A surrogate for height should therefore be sought in BMI determination...
May 2018: Spine Deformity
https://www.readbyqxmd.com/read/29730723/characteristic-morphological-patterns-within-adolescent-idiopathic-scoliosis-may-be-explained-by-mechanical-loading
#5
Benedikt Schlager, Florian Krump, Julius Boettinger, Frank Niemeyer, Michael Ruf, Sebastian Kleiner, Meinrad Beer, Hans-Joachim Wilke
PURPOSE: Adolescent idiopathic scoliosis (AIS) is a three-dimensional deformity of the spine which exhibits morphological changes during growth. The goal of this study was to identify morphological patterns that could be explained by different loading patterns for AIS. METHODS: Computed tomography data of 21 patients with diagnosed AIS and 48 patients without any visual spinal abnormalities were collected prospectively. The bony structures were reconstructed, and landmarks were placed on characteristic morphological points on the spine...
May 5, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29689396/in-situ-decompression-to-spinal-cord-during-anterior-controllable-antedisplacement-fusion-treating-degenerative-kyphosis-with-stenosis-surgical-outcomes-and-analysis-of-c5-nerve-palsy-based-on-49-patients
#6
Haisong Yang, Jingchuan Sun, Jiangang Shi, Yong Yang, Yongfei Guo, Bing Zheng, Yuan Wang
OBJECTIVE: To observe outcomes of anterior controllable antedisplacement fusion (ACAF) in the treatment for degenerative kyphosis with stenosis (DKS) and analyze the probability of C5 nerve palsy. METHODS: In the period from 2016 to 2017, a consecutive cohort of adults with DKS underwent ACAF. All these patients were performed cervical plain films, CT and MRI. The operation duration, blood loss and hospital stay was estimated. Radiologic assessment included kyphotic correction, decompression width and spinal canal area...
April 21, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29678707/long-term-clinical-and-radiological-postoperative-outcomes-after-c1-c2-pedicle-screw-techniques-for-pediatric-atlantoaxial-rotatory-dislocation
#7
Xinjie Wu, Yafeng Li, Mingsheng Tan, Ping Yi, Feng Yang, Xiangsheng Tang, Qingying Hao
BACKGROUND: Although C1-C2 pedicle screw techniques have been extensively reported in paediatric series, reports on their use have examined only small series with short follow-up periods. Here, we present a study on paediatric patients with atlantoaxial rotatory dislocation (AARD) treated with these techniques with a minimum 5-year follow-up period. METHODS: A total of 27 paediatric patients with AARD who underwent C1-C2 pedicle screw fixation between 2004 and 2012 were retrospectively evaluated...
April 17, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29669167/scoliosis-in-fibrous-dysplasia-mccune-albright-syndrome-factors-associated-with-curve-progression-and-effects-of-bisphosphonates
#8
Jason A Berglund, Sri Harsha Tella, Kaitlyn F Tuthill, Lauren Kim, Lori C Guthrie, Scott M Paul, Robert Stanton, Michael T Collins, Alison M Boyce
BACKGROUND: Scoliosis is a complication of fibrous dysplasia/McCune-Albright syndrome (FD/MAS), however risk factors and long-term outcomes are unknown. Bisphosphonates are commonly used; however, it is unknown whether their use decrease the risk of progressive scoliosis. METHODS: Clinical data from the NIH cohort study was reviewed. Cobb angles were measured, and variables associated with scoliosis progression were identified. RESULTS: Of 138 subjects with available radiographs, 84 (61%) had scoliosis, including 55 (65%) classified as mild (Cobb angle >10 to ≤30°), 11 (13%) as moderate (>30 to ≤45°), and 18 (22%) as severe (>45°)...
April 18, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29656879/analysis-of-changes-in-cervical-spinal-curvature-and-intervertebral-disk-space-height-following-acdf-surgery-in-a-group-of-100-patients-followed-up-for-12-months
#9
Bartosz Godlewski, Magdalena Katarzyna Stachura, Ryszard Adam Czepko, Mariusz Banach, Ryszard Czepko
We analysed 100 patients following anterior cervical discectomy and fusion with interbody stabilisation with PEEK cages. Radiographs obtained preoperatively and during the 12-month follow-up were compared to track changes in overall and local cervical lordosis and disk space height. Subsidence was defined as cage migration ≥ 3 mm into the adjacent endplates. Mean change in operated disk space height was 1.13 ± 1.33 mm. Subsidence was detected in 10.23% of the operated spaces. Mean change in overall cervical lordosis was 1...
April 12, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29605586/a-protective-role-of-autophagy-in-tdcipp-induced-developmental-neurotoxicity-in-zebrafish-larvae
#10
Ruiwen Li, Ling Zhang, Qipeng Shi, Yongyong Guo, Wei Zhang, Bingsheng Zhou
Tris (1, 3-dichloro-2-propyl) phosphate (TDCIPP), an extensively used organophosphorus flame retardant, is frequently detected in various environmental media and biota, and has been demonstrated as neurotoxic. Autophagy has been proposed as a protective mechanism against toxicant-induced neurotoxicity. The purpose of the present study was to investigate the effect of TDCIPP exposure on autophagy, and its role in TDCIPP-induced developmental neurotoxicity. Zebrafish embryos (2-120 h post-fertilization [hpf]) were exposed to TDCIPP (0, 5, 50 and 500 μg/l) and a model neurotoxic chemical, chlorpyrifos (CPF, 100 μg/l)...
March 15, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29596278/changes-in-lumbar-endplate-area-and-concavity-associated-with-disc-degeneration
#11
Philip K Louie, Alejandro A Espinoza Orías, Louis F Fogg, Mark LaBelle, Howard S An, Gunnar B J Andersson, Nozomu Inoue
STUDY DESIGN: Retrospective image-based analysis. OBJECTIVE: To measure endplate three-dimensional (3D) geometry, endplate changes in vivo and to investigate correlations between disc degeneration and endplate 3D geometry dependent on symptoms of low back pain (LBP). SUMMARY OF BACKGROUND DATA: It has been hypothesized that alteration of load transmission from the nucleus pulposus to the annulus fibrosus affects vertebral endplate geometry...
March 27, 2018: Spine
https://www.readbyqxmd.com/read/29537899/in-vitro-biomechanical-study-of-epidural-pressure-during-the-z-shape-elevating-pulling-reduction-technique-for-cervical-unilateral-locked-facets
#12
Xinwei Shao, Jican Zeng, Yuchun Chen, Lixian Wu, Xinjia Wang
OBJECTIVE: To analyze the mechanism of the halo vest-assisted Z-shape elevating-pulling reduction technique for cervical unilateral locked facets, and confirm the safety of the spinal cord under the epidural pressure that occurs during the reduction process. METHODS: Eleven osteoligamentous whole coronal and cervical spine specimens were established as skull-neck-thorax models of cervical unilateral locked facets at the C5/6 level. The halo vest-assisted Z-shape elevating-pulling reduction technique was then applied to reduce the locked facets...
March 14, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29533036/-difference-of-spino-pelvic-sagittal-alignment-between-lumbar-disc-herniation-and-lumbar-canal-stenosis-in-adults
#13
Feng Xie, Jun Bian, Zhi-Wei Wang, Wei-Shan Chen
OBJECTIVE: To study the difference of spino-pelvic sagittal alignment between lumbar disc herniation(LDH) and lumbar canal stenosis(LCS) in adults. METHODS: The integrated imaging data of 88 patients with lumbar disc herniation (42 cases) or lumbar canal stenosis(46 cases) were searched from January 1, 2015 to September 10, 2016 in our hospital.Twenty-two cases were excluded because of age factor, 36 cases of LDH (LDH group) and 30 cases of LCS (LCS group) were internalized in the study...
January 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29528999/impact-of-multilevel-facetectomy-and-rod-curvature-on-anatomical-spinal-reconstruction-in-thoracic-adolescent-idiopathic-scoliosis
#14
Hideki Sudo, Yuichiro Abe, Terufumi Kokabu, Kei Kuroki, Akira Iwata, Norimasa Iwasaki
STUDY DESIGN: Prospective, non-randomized study. OBJECTIVE: To assess surgical outcomes of multilevel facetectomy and rod curvature with simultaneous double-rod rotation technique for anatomical spinal reconstruction in thoracic adolescent idiopathic scoliosis (AIS). SUMMARY OF BACKGROUND DATA: Although some surgical techniques maintain or restore thoracic kyphosis (TK), next-generation strategies for thoracic AIS should include corrections in three anatomical planes...
March 9, 2018: Spine
https://www.readbyqxmd.com/read/29523203/computer-simulation-of-syringomyelia-in-dogs
#15
Srdjan Cirovic, Robert Lloyd, Jelena Jovanovik, Holger A Volk, Clare Rusbridge
BACKGROUND: Syringomyelia is a pathological condition in which fluid-filled cavities (syringes) form and expand in the spinal cord. Syringomyelia is often linked with obstruction of the craniocervical junction and a Chiari malformation, which is similar in both humans and animals. Some brachycephalic toy breed dogs such as Cavalier King Charles Spaniels (CKCS) are particularly predisposed. The exact mechanism of the formation of syringomyelia is undetermined and consequently with the lack of clinical explanation, engineers and mathematicians have resorted to computer models to identify possible physical mechanisms that can lead to syringes...
March 9, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29516039/non-structural-misalignments-of-body-posture-in-the-sagittal-plane
#16
REVIEW
Dariusz Czaprowski, Łukasz Stoliński, Marcin Tyrakowski, Mateusz Kozinoga, Tomasz Kotwicki
Background: The physiological sagittal spinal curvature represents a typical feature of good body posture in the sagittal plane. The cervical and the lumbar spine are curved anteriorly (lordosis), while the thoracic segment is curved posteriorly (kyphosis). The pelvis is inclined anteriorly, and the lower limbs' joints remain in a neutral position. However, there are many deviations from the optimal body alignment.The aim of this paper is to present the most common types of non-structural misalignments of the body posture in the sagittal plane...
2018: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/29508070/transdiaphragmatic-migration-of-a-spinal-fixation-rod-into-the-lung
#17
Kimberly J Song, Matthew Colman, Jonathan A Myers, Christopher W Seder
Adolescent idiopathic scoliosis may require surgical treatment for extreme curvature of the spine or loss of pulmonary function. We present a report of a 31-year-old woman with a history of scoliosis and anterolateral spinal fusion who developed chest pain and hemoptysis. Imaging revealed that a fixation rod had migrated cephalad, penetrating the diaphragm into the left lower lobe of the lung. The hardware was removed and lung repaired with good results. This is the first reported case of cranial spinal rod migration over a decade after initial implantation...
June 2018: Lung
https://www.readbyqxmd.com/read/29500927/management-of-severe-lower-cervical-facet-dislocation-without-vertebral-body-fracture-using-skull-traction-and-an-anterior-approach
#18
De-Chao Miao, Can Qi, Feng Wang, Kuan Lu, Yong Shen
BACKGROUND Cervical facet dislocation is the anterior displacement of one cervical vertebral body on another. The aim of this study was to evaluate the clinical efficacy of skull traction through an anterior cervical approach in the treatment of severe lower cervical facet dislocation without vertebral body fracture. MATERIAL AND METHODS Forty subjects with severe lower cervical facet dislocation, without vertebral body fracture, were treated between February 2010 and December 2013. Road traffic accident was the primary cause of injury...
March 3, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29492351/multilevel-contiguous-osteoporotic-lumbar-compression-fractures-the-relationship-of-scoliosis-to-the-development-of-cascading-fractures
#19
REVIEW
Alex Sabo, Jesse Hatgis, Michelle Granville, Robert E Jacobson
Osteoporotic patients can present with either single or multiple fractures secondary to repeated falls and progressive osteoporosis. Multiple fractures often lead to additional spinal deformity and are a sign of more severe osteoporosis. In the thoracic spine, multiple fractures are associated with the development of gradual thoracic kyphosis but neurologic deficits are uncommon. In the lumbar spine, patients with multiple lumbar fractures have more constant lumbar pain, may have symptoms related to concurrent lumbar stenosis or degenerative scoliosis, and may present with radiculopathy, especially with fractures at L4 and L5...
December 19, 2017: Curēus
https://www.readbyqxmd.com/read/29480093/effects-of-asymmetric-loading-on-lateral-spinal-curvature-in-young-adults-with-scoliosis-a-preliminary-study
#20
Simon Sw Li, Daniel Hk Chow
BACKGROUND: Usual guidelines recommend symmetric load carriage over asymmetric load carriage. Whether this recommendation is valid for subjects with asymmetric body alignment, such as those with scoliosis, remains unclear. Scoliosis is both a subject-dependent and time-variant condition. Interventions are generally employed to prevent the abnormal spinal curvature from progressing. OBJECTIVES: To investigate the effects of an asymmetric load carriage on lateral spinal deformity in participant with scoliosis...
February 1, 2018: Prosthetics and Orthotics International
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