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https://www.readbyqxmd.com/read/28828216/sciatic-nerve-repair-using-poly-%C3%AE%C2%B5-caprolactone-tubular-prosthesis-associated-with-nanoparticles-of-carbon-and-graphene
#1
Kyl Assaf, Claudenete Vieira Leal, Mariana Silveira Derami, Eliana Aparecida de Rezende Duek, Helder Jose Ceragioli, Alexandre Leite Rodrigues de Oliveira
INTRODUCTION: Injuries to peripheral nerves generate disconnection between spinal neurons and the target organ. Due to retraction of the nerve stumps, end-to-end neurorrhaphy is usually unfeasible. In such cases, autologous grafts are widely used, nonetheless with some disadvantages, such as mismatching of donor nerve dimensions and formation of painful neuromas at the donor area. Tubulization, using bioresorbable polymers, can potentially replace nerve grafting, although improvements are still necessary...
August 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28827209/plasma-leptin-and-reduced-fev1-and-fvc-in-chronic-spinal-cord-injury
#2
Eric Garshick, Palak Walia, Rebekah Goldstein, Merilee Teylan, Antonio Lazzari, Carlos G Tun, Jaime E Hart
BACKGROUND: Adipose tissue produces leptin, which is pro-inflammatory, and adiponectin, which has anti-inflammatory properties. Participants with chronic spinal cord injury (SCI) have increased body fat and are at increased risk for respiratory illness. OBJECTIVE: To assess associations between leptin and adiponectin with pulmonary function in a chronic SCI cohort. DESIGN: Cross-sectional study. SETTING: Veterans Affairs Medical Center...
August 18, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28822738/a-study-of-the-damage-behaviour-of-porcine-intervertebral-discs-in-a-bioreactor-environment
#3
M Azarnoosh, M Stoffel, B Markert
The intervertebral discs are cartilaginous, articulating structures that lie between vertebral bodies, allowing flexibility, transmission, modification, and also distribution of the forces to the spinal column. Disc degeneration is characterised by progressive loss of disc height and exaggerated radial bulging. Therefore, the spine becomes shorter, stiffer, and less mobile. In the last several decades, there is a strong need for a tissue engineering strategy that alleviates pain and restores spine function by directly addressing the underlying biological causes of disc degeneration...
August 9, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28816975/incidence-and-risk-factors-of-posterior-cage-migration-following-decompression-and-instrumented-fusion-for-degenerative-lumbar-disorders
#4
Hua Li, Hui Wang, Yanbo Zhu, Wenyuan Ding, Qian Wang
The aim of this study was to explore the incidence and risk factors for posterior cage migration (PCM) following decompression and instrumented fusion for degenerative lumbar disorders, and hope to provide references in decision making and surgical planning for spine surgeons.By retrieving the medical records from January 2011 to December 2015, 286 patients were retrospectively reviewed. According to the occurrence of PCM, patients were divided into 2 groups: PCM group and non-PCM (N-PCM). To investigate risk values for PCM, 3 categorized factors were analyzed statistically: patient characteristics: age, sex, body mass index, bone mineral density, duration of disease, diagnosis, comorbidity, smoke; surgical variables: surgery time, blood loss, surgical strategy, cage morphology, cage size, surgical segment, fusion number, source of bone graft, surgeon experience; radiographic parameters: preoperative lumbar lordosis, correction of lumbar lordosis, preoperative lumbar mobility, preoperative intervertebral height, change of intervertebral height, Modic changes, paraspinal muscle degeneration...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28813968/changes-in-neuromuscular-activity-during-motor-training-with-a-body-machine-interface-after-spinal-cord-injury
#5
C Pierella, A De Luca, E Tasso, F Cervetto, S Gamba, L Losio, E Quinland, A Venegoni, S Mandraccia, I Muller, A Massone, F A Mussa-Ivaldi, M Casadio
Body machine interfaces (BMIs) are used by people with severe motor disabilities to control external devices, but they also offer the opportunity to focus on rehabilitative goals. In this study we introduced in a clinical setting a BMI that was integrated by the therapists in the rehabilitative treatments of 2 spinal cord injured (SCI) subjects for 5 weeks. The BMI mapped the user's residual upper body mobility onto the two coordinates of a cursor on a screen. By controlling the cursor, the user engaged in playing computer games...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813859/an-assistive-lower-limb-exoskeleton-for-people-with-neurological-gait-disorders
#6
A Ortlieb, M Bouri, R Baud, H Bleuler
Lower limb exoskeletons have already proven the capability to give back mobility to people suffering from spinal cord injury (SCI). Other important populations such as people with multiple sclerosis or muscular dystrophy, frail elderly and stroke victims, suffer from severe gait impairments and could benefit from similar technology. The work presented in the current paper describes a novel design of a 6-actuated degrees of freedom (DOFs) assistive lower limb exoskeleton for people with moderate mobility impairments...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28810915/quality-of-life-and-correlation-with-clinical-and-radiographic-variables-in-patients-with-ankylosing-spondylitis-a-retrospective-case-series-study
#7
Ji-Chen Huang, Bang-Ping Qian, Yong Qiu, Bin Wang, Yang Yu, Ze-Zhang Zhu, Jun Hu, Zhe Qu
BACKGROUND: Previously, many studies have evaluated quality of life (QoL) in patients with ankylosing spondylitis (AS), however, none of them specifically investigated the correlation between pain-related disability measured by Oswestry Disability Index (ODI) and QoL in AS patients. In addition, the correlation between global kyphosis (GK) in lateral plain radiographs and QoL in AS patients remains unclear up to now. Therefore, this study aimed to evaluate QoL and correlation with clinical and radiographic variables in AS patients, especially to figure out the relationship about the pain-specific disability measured by ODI, GK and QoL...
August 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28809631/-comparison-between-the-range-of-movement-canine-real-cervical-spine-and-numerical-simulation-computer-model-validation
#8
R Srnec, Z Horák, R Sedláček, M Sedlinská, M Krbec, A Nečas
PURPOSE OF THE STUDY In developing new or modifying the existing surgical treatment methods of spine conditions an integral part of ex vivo experiments is the assessment of mechanical, kinematic and dynamic properties of created constructions. The aim of the study is to create an appropriately validated numerical model of canine cervical spine in order to obtain a tool for basic research to be applied in cervical spine surgeries. For this purpose, canine is a suitable model due to the occurrence of similar cervical spine conditions in some breeds of dogs and in humans...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28807781/engrailed-controls-epaxial-hypaxial-muscle-innervation-and-the-establishment-of-vertebrate-three-dimensional-mobility
#9
Mohi U Ahmed, Ashish K Maurya, Louise Cheng, Erika C Jorge, Frank R Schubert, Pascal Maire, M Albert Basson, Philip W Ingham, Susanne Dietrich
Chordates are characterised by contractile muscle on either side of the body that promotes movement by side-to-side undulation. In the lineage leading to modern jawed vertebrates (crown group gnathostomes), this system was refined: body muscle became segregated into distinct dorsal (epaxial) and ventral (hypaxial) components that are separately innervated by the medial and hypaxial motors column, respectively, via the dorsal and ventral ramus of the spinal nerves. This allows full three-dimensional mobility, which in turn was a key factor in their evolutionary success...
August 11, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28801071/comparison-of-two-lumbar-manual-therapies-on-temporal-summation-of-pain-in-healthy-volunteers
#10
Charles W Penza, Maggie E Horn, Steven Z George, Mark D Bishop
The purpose of this study was to compare the immediate change in temporal summation of heat pain (TSP) between spinal manipulation (SMT) and spinal mobilization (MOB) in healthy volunteers. Ninety-two volunteers (24 males; 23.8 ± 5.3 years) were randomized to receive SMT, MOB or no treatment (REST) for one session. Primary outcomes were changes in TSP, measured at the hand and foot, immediately following the session. A planned subgroup analysis investigated effects across empirically derived TSP clusters. PRIMARY OUTCOME: There were no differences in the immediate change in TSP measured at the foot between SMT and MOB, however both treatments were superior to the REST condition...
August 8, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28797980/can-fan-beam-ict-accurately-predict-indirect-decompression-in-miss-fusion-procedures
#11
Insa Janssen, Gernot Lang, Rodrigo Navarro-Ramirez, Ajit Jada, Connor Berlin, Aaron Hilis, Micaella Zubkov, Lena Gandevia, Roger Härtl
BACKGROUND: Recently, a novel mobile intraoperative fan-beam CT (iFBCT) was introduced, allowing for real time navigation and immediate intraoperative evaluation of neural decompression in spine surgery. This study sought to investigate whether intraoperatively assessed neural decompression during minimally invasive spine surgery (MISS) has a predictive value for clinical and radiographic outcome. METHODS: A retrospective study of patients undergoing iCT-guided extreme lateral interbody fusion (XLIF) or transforaminal lumbar interbody fusion (TLIF) was conducted...
August 7, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28795657/body-system-effects-of-a-multi-modal-training-program-targeting-chronic-motor-complete-thoracic-spinal-cord-injury
#12
Katie Gant, Kathleen Nagle, Rachel Cowan, Edelle Field-Fote, Mark Nash, Jochen Kressler, Christine K Thomas, Mabelin Castellanos, Eva Widerstrom-Noga, Kimberly D Anderson
The safety and efficacy of pharmacologic and cellular transplantation strategies are currently being evaluated in people with spinal cord injury. In studies of people with chronic spinal cord injuries, it is thought that functional recovery will be best achieved when drug or cell therapies are combined with rehabilitation protocols. However, any functional recovery due to the therapy may be confounded by the conditioned state of the body and by training-induced effects on neuroplasticity. For this reason, we sought to investigate the effects of a multi-modal training program on several body systems...
August 10, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28791705/ascending-pathways-that-mediate-cholinergic-modulation-of-lumbar-motor-activity
#13
REVIEW
Lili Anglister, Meir Cherniak, Aharon Lev-Tov
Deciphering neuronal pathways that reactivate spinal central pattern generators (CPGs) and modulate the activity of spinal motoneurons in mammals in the absence of supraspinal control is important for understanding of neural control of movement and for developing novel therapeutic approaches to improve the mobility of spinal cord injury patients. Previously, we showed that the sacral and lumbar cholinergic system could potently modulate the locomotor CPGs in newborn rodents. Here, we review these and our more recent studies of sacral relay neurons with lumbar projections to the locomotor CPGs and to lumbar motoneurons and demonstrate that sacral and lumbar cholinergic components have the capacity to control the frequency of the locomotor CPGs and at the same time the motor output of the activated lumbar motoneurons during motor behavior...
August 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28777064/is-fusion-necessary-for-thoracolumbar-burst-fracture-treated-with-spinal-fixation-a-systematic-review-and-meta-analysis
#14
Juliete M Diniz, Ricardo V Botelho
OBJECTIVE Thoracolumbar fractures account for 90% of spinal fractures, with the burst subtype corresponding to 20% of this total. Controversy regarding the best treatment for this condition remains. The traditional surgical approach, when indicated, involves spinal fixation and arthrodesis. Newer studies have brought the need for fusion associated with internal fixation into question. Not performing arthrodesis could reduce surgical time and intraoperative bleeding without affecting clinical and radiological outcomes...
August 4, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28767359/an-eog-based-human-machine-interface-for-wheelchair-control
#15
Qiyun Huang, Shenghong He, Qihong Wang, Zhenghui Gu, Nengneng Peng, Kai Li, Yuandong Zhang, Ming Shao, Yuanqing Li
OBJECTIVE: Non-manual human-machine interfaces (HMIs) have been studied for wheelchair control with the aim of helping severely paralyzed individuals regain some mobility. The challenge is to rapidly, accurately and sufficiently produce control commands, such as left and right turns, forward and backward motions, acceleration, deceleration, and stopping. In this paper, a novel electrooculogram (EOG)-based HMI is proposed for wheelchair control. METHODS: Thirteen flashing buttons are presented in the graphical user interface (GUI), and each of the buttons corresponds to a command...
July 27, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28765791/coronary-artery-disease-presenting-with-left-upper-quadrant-pain-in-a-patient-with-chronic-cervical-tetraplegia
#16
Lianne Michelle Nier, Peter S Hansen
INTRODUCTION: This single-subject case report aims to describe and discuss a case of a patient with established C5 tetraplegia with acute coronary syndrome presenting with left upper quadrant pain and tenderness. CASE PRESENTATION: A 65-year-old male with chronic C5 American Spinal Injury Association Impairment Scale (AIS) A tetraplegia presented to the emergency department with severe left upper quadrant pain radiating across the chest to the right upper limb with associated dyspnoea and diaphoresis...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28765244/five-potentially-modifiable-factors-predict-poor-quality-of-life-in-ankylosing-spondylitis-results-from-the-scotland-registry-for-ankylosing-spondylitis
#17
Linda E Dean, Gary J Macfarlane, Gareth T Jones
OBJECTIVE: A chronic inflammatory condition manifesting in young adulthood, ankylosing spondylitis (AS) affects both physical and emotional quality of life (QOL). To inform future intervention strategies, this study aimed to (1) assess the QOL of patients with AS, and (2) identify potentially modifiable factors associated with reporting poor QOL. METHODS: The Scotland Registry for Ankylosing Spondylitis collects clinical and patient-reported data on clinically diagnosed patients with AS across Scotland...
August 1, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28762383/clinical-factors-associated-with-c-reactive-protein-in-chronic-spinal-cord-injury
#18
R L Goldstein, P Walia, M Teylan, A A Lazzari, C G Tun, J E Hart, E Garshick
STUDY DESIGN: Cross-sectional study. OBJECTIVES: Determine clinical factors associated with plasma C-reactive protein (CRP) in persons with chronic spinal cord injury (SCI). SETTING: Veterans Affairs Medical Center in Boston, MA, USA. METHODS: Participants provided a blood sample, completed a respiratory health questionnaire and underwent dual X-ray absorptiometry (DXA) to assess total and regional body fat. Linear regression models were used to assess cross-sectional associations with plasma CRP...
August 1, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28755481/a-comparison-of-the-incidence-of-post-dural-puncture-headache-and-backache-after-spinal-anesthesia-a-pragmatic-randomized-controlled-trial
#19
Jeong Sil Choi, Sun Ju Chang
BACKGROUND: Although bed rest is recommended after spinal anesthesia to prevent the occurrence of post-dural puncture headache, current literature suggests that periods of bed rest did not prevent headache as well as increase the risk of other complications such as backache. However, information is scarce regarding an appropriate period of bed rest following a dural puncture. AIM: The aim of this study was to compare the incidence of post-dural puncture headache and backache after different periods of bed rest following spinal anesthesia...
July 29, 2017: Worldviews on Evidence-based Nursing
https://www.readbyqxmd.com/read/28746124/a-japanese-stretching-intervention-can-modify-lumbar-lordosis-curvature
#20
Norio Kadono, Kazushi Tsuchiya, Azusa Uematsu, Hiroshi Kamoshita, Kazunori Kiryu, Tibor Hortobágyi, Shuji Suzuki
STUDY DESIGN: Eighteen healthy male adults were assigned to either an intervention or control group. OBJECTIVES: Isogai dynamic therapy (IDT) is one of Japanese stretching interventions and has been practiced for over 70 years. However, its scientific quantitative evidence remains unestablished. The objective of this study was to determine whether IDT could modify lumbar curvature in healthy young adults compared with stretching exercises used currently in clinical practice...
August 2017: Clinical Spine Surgery
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