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Cervical intervertebral disc

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https://www.readbyqxmd.com/read/28208824/associations-between-obesity-and-spinal-diseases-a-medical-expenditure-panel-study-analysis
#1
Binwu Sheng, Chaoling Feng, Donglan Zhang, Hugh Spitler, Lu Shi
Background: The link between body weight status and spinal diseases has been suggested by a number of cross-sectional and cohort studies with a limited range of patient populations. No population-representative samples have been used to examine the link between obesity and spinal diseases. The present study is based on a nationally representative sample drawn from the Medical Expenditure Panel Survey. Methods: Using the cross-sectional sample of the 2014 Medical Expenditure Panel Study, we built four weighted logistic regression analyses of the associations between body weight status and the following four spinal diseases: low back pain, spondylosis, other cervical disorders and intervertebral disc disorder (IDD)...
February 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28171773/cervical-traction-therapy-with-and-without-neck-support-a-finite-element-analysis
#2
Kuan Wang, Huihao Wang, Zhen Deng, Zhengyan Li, Hongsheng Zhan, Wenxin Niu
BACKGROUND: Cervical traction is commonly used for treating neck pain. However, few studies have investigated the biomechanical impact such traction has on soft tissues. OBJECTIVES: To analyze the biomechanics of cervical traction therapy in a supine position with and without neck support (NS and non-NS). METHODS: A finite element model of the cervical spine was constructed to investigate the mechanism behind cervical traction therapy. An axial traction force of 100-N was loaded on the upper surface of C0 to simulate traction weight...
January 16, 2017: Musculoskelet Sci Pract
https://www.readbyqxmd.com/read/28154126/diagnostic-quality-of-3d-t2-space-compared-with-t2-fse-in-the-evaluation-of-cervical-spine-mri-anatomy
#3
F H Chokshi, G Sadigh, W Carpenter, J W Allen
BACKGROUND AND PURPOSE: Spinal anatomy has been variably investigated using 3D MRI. We aimed to compare the diagnostic quality of T2 sampling perfection with application-optimized contrasts by using flip angle evolution (SPACE) with T2-FSE sequences for visualization of cervical spine anatomy. We predicted that T2-SPACE will be equivalent or superior to T2-FSE for visibility of anatomic structures. MATERIALS AND METHODS: Adult patients undergoing cervical spine MR imaging with both T2-SPACE and T2-FSE sequences for radiculopathy or myelopathy between September 2014 and February 2015 were included...
February 2, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28151550/canine-acute-cervical-myelopathy-hydrated-nucleus-pulposus-extrusion-or-intraspinal-discal-cysts
#4
Cristian Falzone
OBJECTIVE: To differentiate between hydrated nucleus pulposus extrusion and ventral intraspinal discal cysts in dogs. STUDY DESIGN: Prospective case series. ANIMALS: Twenty dogs with acute onset of cervical myelopathy due to hydrated nucleus pulposus extrusion or ventral intraspinal discal cysts. METHODS: Clinical and magnetic resonance (MR) imaging findings, outcome after surgical treatment, cytologic and histologic findings of compressive material were taken into account...
February 2, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28146029/kinematics-of-the-cervical-spine-following-unilateral-facet-fracture-an-in-vitro-cadaver-study
#5
Paolo Caravaggi, Linda Chen, Linda Uko, Andres Zorrilla, Spencer Hauser, Michael J Vives
STUDY DESIGN: Biomechanical study utilizing human cadaveric cervical spines. OBJECTIVE: To quantitatively assess the effects on intervertebral motion of isolated unilateral cervical facet fracture, and after disruption of the intervertebral disc at the same level. SUMMARY OF BACKGROUND DATA: Clinical evidence has indirectly suggested that cervical facet fractures involving 40% of the height of the lateral mass can cause instability of the involved segment...
January 31, 2017: Spine
https://www.readbyqxmd.com/read/28143419/t2-relaxation-time-for-intervertebral-disc-degeneration-in-patients-with-upper-back-pain-initial-results-on-the-clinical-use-of-3-0-tesla-mri
#6
Raoying Xie, Linhui Ruan, Lei Chen, Kai Zhou, Jiandong Yuan, Wei Ji, Guangjian Jing, Xiaojing Huang, Qinglei Shi, Chun Chen
BACKGROUND: Magnetic resonance imaging (MRI) is a useful non-invasive tool for evaluating abnormalities of intervertebral discs. However, there are few studies which applied functional MRI techniques to investigate degenerative changes in cervical and cervicothoracic junction (CTJ) spine among adults. The aim of this study was to compare T2 relaxation time measurement evaluation with morphological grading for assessing cervical and CTJ intervertebral discs (IVD) in the patients suffering neck, shoulder, and upper back pain...
January 31, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28109098/-impact-of-anterior-cervical-fusion-surgeries-on-adjacent-segments-a-finite-element-analysis
#7
Teng Lu, Ting Zhang, Jun Dong, Quan-Jin Zang, Bao-Hui Yang, Dong Wang, Hao-Peng Li, Xi-Jng He
OBJECTIVE: To investigate the changes in the range of motion (ROM) and stress of the intervertebral disc and facet joint of the adjacent segments following anterior cervical corpectomy and fusion (ACCF) and anterior cervical discectomy and fusion (ACDF) using finite element analysis. METHODS: A three-dimensional finite element model of the lower cervical vertebrae was constructed and validated by comparing the ROM of the finite element model against the published data...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28104459/validation-of-the-intervertebral-disc-histological-degeneration-score-in-cervical-intervertebral-discs-and-their-end-plates
#8
Krzysztof A Tomaszewski, Brandon Michael Henry, Tomasz Gładysz, Roman Głowacki, Jerzy A Walocha, Romana Tomaszewska
BACKGROUND CONTEXT: Vertebral joints consist of intervertebral discs (IVDs) and cartilaginous end plates (EP) that lie superiorly and inferiorly to the IVDs and separate them from the adjacent vertebral bodies. With aging, both IVDs and EPs undergo degeneration. The Histologic Degeneration Score (HDS) is a grading system that microscopically evaluates the degree of degeneration in lumbar discs and predicts it with high accuracy basing on several histological markers of IVD and EP. There is currently a lack of validated histologic grading schemes for cervical spine degeneration...
January 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28096586/comparison-of-intubating-laryngeal-mask-airway-and-fiberoptic-bronchoscopy-for-endotracheal-intubation-in-patients-undergoing-cervical-discectomy
#9
Kolli S Chalam, Jyothi Gupta
BACKGROUND AND AIMS: Direct laryngoscopy is hazardous in patients with cervical posterior intervertebral disc prolapse (PIVD) as it may worsen the existing cord compression. To achieve smooth intubation, many adjuncts such as fiberoptic bronchoscope (FOB), video laryngoscopes, lighted stylets, and intubating laryngeal mask airways (ILMAs) are available. However, there is a paucity of literature comparing ILMA with fiberoptic intubation in patients with PIVD. Hence, this study was designed to compare the effectiveness of ILMA technique with FOB to accomplish endotracheal intubation in patients undergoing cervical discectomy...
October 2016: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/28053621/clinical-and-magnetic-resonance-imaging-features-of-compressive-cervical-myelopathy-with-traumatic-intervertebral-disc-herniation-in-cynomolgus-macaque-macaca-fascicularis
#10
Yun-Jung Choi, Hye-Jin Park, Chul-Ho Sohn, Kyeong Cheon Jung, Seong Hoe Park, Jae-Il Lee
Intervertebral disc herniation (IVDH) with nucleus pulposus extrusion, traumatic or not, is a devastating clinical condition accompanied by neurological problems. Here we report a cynomolgus macaque suffering from acute and progressive neurological dysfunction by a blunt trauma due to neck collar, an animal handling device. Tetraplegia, urinary incontinence, decreased proprioception, and imperception of pain were shown on physical and neurological examinations. MRI sagittal T2 weighted sequences revealed an extensive protrusion of disc material between C2 and C3 cervical vertebra, and this protrusion resulted in central stenosis of the spinal cord...
December 2016: Laboratory Animal Research
https://www.readbyqxmd.com/read/28033533/fatigue-responses-of-the-human-cervical-spine-intervertebral-discs
#11
Narayan Yoganandan, Sagar Umale, Brain Stemper, Bryan Snyder
Numerous studies have been conducted since more than fifty years to understand the behavior of the human lumbar spine under fatigue loading. Applications have been largely driven by low back pain and human body vibration problems. The human neck also sustains fatigue loading in certain type of civilian occupational and military operational activities, and research is very limited in this area. Being a visco-elastic structure, it is important to determine the stress-relaxation properties of the human cervical spine intervertebral discs to enable accurate simulations of these structures in stress-analysis models...
December 15, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28032706/correlations-of-japanese-orthopaedic-association-scoring-systems-with-gait-parameters-in-patients-with-degenerative-spinal-diseases
#12
Chen-Fan Zheng, Yan-Cheng Liu, Yong-Cheng Hu, Qun Xia, Jun Miao, Ji-Dong Zhang, Kuan Zhang
OBJECTIVE: Japanese Orthopaedic Association (JOA) scoring systems were developed to evaluate the neurological function of patients with cervical or lumbar degeneration. As patient-based and multi-dimensional clinical evaluation tools, these systems should be capable of reflecting the walking disability of patients. The association between JOA scores and gait parameters, however, are not well characterized. The purpose of this study was to determine the correlations between JOA scores and gait parameters of patients with cervical spondylotic myelopathy (CSM) and lumbar intervertebral disc herniation (LDH)...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28031520/acute-calcification-of-intervertebral-disc-and-posterior-longitudinal-ligament-in-a-7-year-old-girl-a-case-report
#13
Churk Hang Li, Tun Hing Lui, Wai Kit Ngai
A 7-year-old girl presented with a 2-day history of acute neck pain without any preceding injury. The pain was around the left posterior paraspinal muscle and was aggravated by neck movement. There was no neurological abnormality; white cell count and inflammatory markers were slightly elevated. Radiology of the cervical spine showed calcification of C3/4 and C4/5 discs as well as the posterior longitudinal ligament over C3/4. She was treated conservatively with a neck collar and Panadol syrup. No non-steroidal anti-inflammatory drug was prescribed...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28017756/a-clinical-comparison-of-anterior-cervical-plates-versus-stand-alone-intervertebral-fusion-devices-for-single-level-anterior-cervical-discectomy-and-fusion-procedures
#14
Ripul R Panchal, Kee D Kim, Robert Eastlack, John Lopez, Andrew Clavenna, Daina M Brooks, Gita Joshua
OBJECTIVE: To compare radiologic and clinical outcomes, including rates of dysphagia and dysphonia, using a no-profile stand-alone intervertebral spacer with integrated screw fixation versus an anterior cervical plate and spacer construct for single-level anterior cervical discectomy and fusion (ACDF) procedures. METHODS: This multicenter, randomized, prospective study included 54 patients with degenerative disc disease (DDD) requiring ACDF at a single level at C3-C7...
December 22, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/28012886/biomechanical-and-endplate-effects-on-nutrient-transport-in-the-intervertebral-disc
#15
Morgan B Giers, Bryce T Munter, Kyle J Eyster, George D Ide, Anna G U S Newcomb, Jennifer N Lehrman, Evgenii Belykh, Vadim A Byvaltsev, Brian P Kelly, Mark C Preul, Nicholas Theodore
BACKGROUND: Physical data are lacking on nutrient transport in human intervertebral discs (IVDs), which supports regeneration. Our objective was to study nutrient transport in porcine IVDs to determine the effects of biomechanical and physiological factors. METHODS: In vitro testing of whole porcine IVDs was performed under different loading conditions. Fifty cervical, thoracic, and lumbar discs with attached end plates were removed from 4 Yorkshire pigs (90-150 pounds)...
December 21, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27906944/the-safety-of-ct-guided-epidural-steroid-injections-in-an-older-patient-cohort
#16
Andrew J Fenster, Kevin Fernandes, Alan L Brook, Todd Miller
BACKGROUND: Epidural steroid injections (ESIs) are a common method for treating lower back pain, which is one of the most prevalent health-related complaints in the adult US population. Although the safety of CT-guided ESIs has been extensively studied in adults, there is limited data concerning the procedure's safety profile in an older patient population. OBJECTIVE: This retrospective study analyzed safety data among a single-center cohort of patients > 65 years-old who received one or more CT-guided interlaminar ESIs from 2012 to 2015...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27893652/correlation-between-t2-t2-star-relaxation-time-and-cervical-intervertebral-disc-degeneration-an-observational-study
#17
Minghua Huang, Yong Guo, Qiong Ye, Lei Chen, Kai Zhou, Qingjun Wang, Lixin Shao, Qinglei Shi, Chun Chen
PURPOSE: To demonstrate the potential benefits of T2 relaxation time of intervertebral discs (IVDs) regarding the detection and grading of degenerative disc disease using 3.0-T magnetic resonance imaging (MRI) in a clinical setting. MATERIALS AND METHODS: Cervical sagittal T2-weighted, T2 relaxation MRI was performed at 3.0-T in 61 subjects, covering discs C2-3 to C6-7. All discs were morphologically assessed based on the Pfirrmann grade, and regions of interests (ROIs) were drawn over the T2 mapping...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27865095/assessment-and-determinants-of-spinal-pain-in-the-course-of-disc-disorders-treated-surgically
#18
Renata Jabłońska, Robert Ślusarz, Agnieszka Królikowska, Beata Haor, Magdalena Zając
BACKGROUND Intervertebral disc disease is defined as a complex of structural changes in the aftermath of disorders of mutual elements, the structure of which form the discus intervertebralis and the spinal canal. The present work assessed pain in patients who were surgically treated due to spinal discopathy and analyzed factors that determine the condition. MATERIAL AND METHODS The research was carried on a group of 187 patients diagnosed with discopathy of the lumbosacral and cervical segment. The data are discussed in the context of medical records and the Visual Analogue Scale used for pain assessment...
November 19, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27757680/evaluation-of-a-new-approach-to-compute-intervertebral-disc-height-measurements-from-lateral-radiographic-views-of-the-spine
#19
Brett T Allaire, M Clara DePaolis Kaluza, Alexander G Bruno, Elizabeth J Samelson, Douglas P Kiel, Dennis E Anderson, Mary L Bouxsein
PURPOSE: Current standard methods to quantify disc height, namely distortion compensated Roentgen analysis (DCRA), have been mostly utilized in the lumbar and cervical spine and have strict exclusion criteria. Specifically, discs adjacent to a vertebral fracture are excluded from measurement, thus limiting the use of DCRA in studies that include older populations with a high prevalence of vertebral fractures. Thus, we developed and tested a modified DCRA algorithm that does not depend on vertebral shape...
January 2017: European Spine Journal
https://www.readbyqxmd.com/read/27746501/radiologic-and-histological-observations-in-experimental-t1-t12-dorsal-arthrodesis-a-qualitative-description-of-t1-t12-segment-and-other-body-parts-involved-between-prepubertal-age-and-skeletal-maturityxs
#20
Federico Canavese, Alain Dimeglio, Davide Barbetta, Marco Galeotti, Bartolomeo Canavese, Fabio Cavalli
BACKGROUND: This experimental study provides a qualitative description and the morpho-structural features of the fusions taking place in the thoracic spine between prepubertal age and skeletal maturity. There is a lack of informations regarding the influence of partial or total dorso-thoracic vertebral arthrodesis on the development of the thoracic cage as well as its potential effects on different intra and extra-thoracic organs. This study admits the hypothesis that vertebral arthrodesis may have influence on other body areas and so, it intends to verify the possible secondary involvement of other body parts, such as intervertebral discs, cervical and thoracic spinal ganglia, sternocostal cartilage, ovaries and lungs...
September 2016: Indian Journal of Orthopaedics
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