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Spinal cord injury

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https://www.readbyqxmd.com/read/29471419/true-lumen-and-false-lumen-diameter-changes-in-the-downstream-aorta-after-frozen-elephant-trunk-implantation
#1
Tim Berger, Maximilian Kreibich, Julia Morlock, Stoyan Kondov, Johannes Scheumann, Fabian A Kari, Bartosz Rylski, Matthias Siepe, Friedhelm Beyersdorf, Martin Czerny
OBJECTIVES: To evaluate early and mid-term clinical outcomes and to assess the potential of the frozen elephant trunk technique to induce remodelling of downstream aortic segments in acute and chronic thoracic aortic dissections. METHODS: Over a 4-year period, 65 patients (48 men, aged 61 ± 12 years) underwent total aortic arch replacement using the frozen elephant trunk technique for acute (n = 31) and chronic (n = 34) thoracic aortic dissections at our institution...
February 19, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29470557/design-of-a-3d-printed-open-source-wrist-driven-orthosis-for-individuals-with-spinal-cord-injury
#2
Alexandra A Portnova, Gaurav Mukherjee, Keshia M Peters, Ann Yamane, Katherine M Steele
Assistive technology, such as wrist-driven orthoses (WDOs), can be used by individuals with spinal cord injury to improve hand function. A lack of innovation and challenges in obtaining WDOs have limited their use. These orthoses can be heavy and uncomfortable for users and also time-consuming for orthotists to fabricate. The goal of this research was to design a WDO with user (N = 3) and orthotist (N = 6) feedback to improve the accessibility, customizability, and function of WDOs by harnessing advancements in 3D-printing...
2018: PloS One
https://www.readbyqxmd.com/read/29470276/anatomical-feasibility-of-extradural-transferring-s2-and-s3-ventral-roots-to-s1-ventral-root-for-restoring-neurogenic-bladder-in-spinal-cord-injury
#3
Kaixiang Yang, Hongtao Chen, Jian Tang, Dawei Ge, Sheng Zhang, Tao Sui, Xiaojian Cao
STUDY DESIGN: Anatomic study in 6 formalin-fixed cadavers. OBJECTIVE: To determine the anatomical feasibility of transferring the S2 and S3 ventral roots (VRs) to S1 VR as a method for restoring bladder dysfunction in spinal cord injury. SUMMARY OF BACKGROUND DATA: A large quantity of researches of neuroanastomosis methods have been used for treating the bladder dysfunction in spinal cord injury (SCI). However, some limitations retard the development of those studies...
February 21, 2018: Spine
https://www.readbyqxmd.com/read/29470149/chronic-complete-cervical-6-7-cord-transection-distinct-autonomic-and-cardiac-deficits
#4
Heidi L Lujan, Anne Tonson, Robert W Wiseman, Stephen E DiCarlo
Spinal cord injury (SCI) resulting in tetraplegia is a devastating, life-changing insult causing paralysis and sensory impairment as well as distinct autonomic dysfunction that triggers compromised cardiovascular, bowel, bladder and sexual activity. Life becomes a battle for independence as even routine bodily functions and the smallest activity of daily living become a major challenge. Accordingly, there is a critical need for a chronic pre-clinical model of tetraplegia. This report addresses this critical need by comparing, for the first time, resting, reflex and stress-induced cardiovascular, autonomic and hormonal responses each week for 4 weeks in 12 sham-operated intact rats and 12 rats with chronic, complete C6-7 spinal cord transection...
February 22, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29469801/undisturbed-characteristic-herpes-simplex-virus-2-outbreak
#5
Lainee S Goettsche, Karolyn A Wanat
Herpes simplex virus 2 (HSV-2) is a common sexually transmitted disease that typically presents with focal erosions or small vesicles on an erythematous base.Herein, a case is described in which a 42-year old man experienced a genital HSV-2 outbreak after sustaining a spinal cord injury. No typical prodromal symptomswere experienced; therefore the vesicular lesions remained completely intact, granting an unusual opportunity to visualize herpetic infection in its most classic morphology.
October 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/29468257/aurora-kinase-b-regulates-axonal-outgrowth-and-regeneration-in-the-spinal-motor-neurons-of-developing-zebrafish
#6
Serene S L Gwee, Rowan A W Radford, Sharron Chow, Monisha D Syal, Marco Morsch, Isabel Formella, Albert Lee, Emily K Don, Andrew P Badrock, Nicholas J Cole, Adrian K West, Steve N S Cheung, Roger S Chung
Aurora kinase B (AurkB) is a serine/threonine protein kinase with a well-characterised role in orchestrating cell division and cytokinesis, and is prominently expressed in healthy proliferating and cancerous cells. However, the role of AurkB in differentiated and non-dividing cells has not been extensively explored. Previously, we have described a significant upregulation of AurkB expression in cultured cortical neurons following an experimental axonal transection. This is somewhat surprising, as AurkB expression is generally associated only with dividing cells Frangini et al...
February 21, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29467709/delayed-latency-of-postural-muscles-of-individuals-with-intellectual-disabilities
#7
J Walter Tolentino-Castro, Andreas Mühlbeier, Luis Mochizuki, Heiko Wagner
Individuals with intellectual disabilities (ID) (50 < IQ < 79) show impaired motor and postural control, these impairments are highly related to falls and injuries. Recent studies demonstrated these impairments are related with fine and gross motor development, which are more strongly associated with cognition, and consequently language for individuals with ID than for without ID. Despite these studies, little is known about the structure and functioning of this population's spinal cord, which is highly involved in postural control...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29467001/neuregulin-1-elicits-a-regulatory-immune-response-following-traumatic-spinal-cord-injury
#8
Arsalan Alizadeh, Kallivalappil T Santhosh, Hardeep Kataria, Abdelilah S Gounni, Soheila Karimi-Abdolrezaee
BACKGROUND: Spinal cord injury (SCI) triggers a robust neuroinflammatory response that governs secondary injury mechanisms with both degenerative and pro-regenerative effects. Identifying new immunomodulatory therapies to promote the supportive aspect of immune response is critically needed for the treatment of SCI. We previously demonstrated that SCI results in acute and permanent depletion of the neuronally derived Neuregulin-1 (Nrg-1) in the spinal cord. Increasing the dysregulated level of Nrg-1 through acute intrathecal Nrg-1 treatment enhanced endogenous cell replacement and promoted white matter preservation and functional recovery in rat SCI...
February 21, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29466978/repeated-electroacupuncture-treatment-attenuated-hyperalgesia-through-suppression-of-spinal-glial-activation-in-chronic-neuropathic-pain-rats
#9
Jun-Ying Wang, Yong-Hui Gao, Li-Na Qiao, Jian-Liang Zhang, Cheng-Lin Duan-Mu, Ya-Xia Yan, Shu-Ping Chen, Jun-Ling Liu
BACKGROUND: Cumulated evidence reveals that glial cells in the spinal cord play an important role in the development of chronic neuropathic pain and are also complicated in the analgesic effect of EA intervention. But the roles of microgliacytes and astrocytes of spinal cord in the process of EA analgesia remain unknown. METHODS: A total of 120 male Wistar rats were used in the present study. The neuropathic pain model was established by chronic constrictive injury (CCI) of the sciatic nerve...
February 21, 2018: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/29466910/the-role-of-ventral-tegmental-area-gaba-on-the-chronic-neuropathic-pain-following-spinal-cord-injury-in-rat
#10
Moon Yi Ko, Eun Young Jang, June Yeon Lee, Su Phil Kim, Sung Hun Whang, Bong Hyo Lee, Hee Young Kim, Char Ha Yang, Hee Jung Cho, Young Seob Gwak
Spinal cord injury (SCI) frequently results in chronic neuropathic pain (CNP). However, the understanding of brain neural circuits in CNP modulation is unclear. The present study examined the changes of ventral tegmental area (VTA) putative GABAergic and dopaminergic neuronal activity with CNP attenuation in rats. SCI was established by T10 clip compression injury (35 g, 1 min) in rats, and neuropathic pain behaviors, in vivo extracellular single cell recording of putative VTA GABA/dopamine neurons, extracellular GABA level, glutamic acid decarboxylase (GAD) and vesicular GABA transporters (VGAT) were measured in the VTA, respectively...
February 21, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29466745/massively-parallel-single-nucleus-transcriptional-profiling-defines-spinal-cord-neurons-and-their-activity-during-behavior
#11
Anupama Sathyamurthy, Kory R Johnson, Kaya J E Matson, Courtney I Dobrott, Li Li, Anna R Ryba, Tzipporah B Bergman, Michael C Kelly, Matthew W Kelley, Ariel J Levine
To understand the cellular basis of behavior, it is necessary to know the cell types that exist in the nervous system and their contributions to function. Spinal networks are essential for sensory processing and motor behavior and provide a powerful system for identifying the cellular correlates of behavior. Here, we used massively parallel single nucleus RNA sequencing (snRNA-seq) to create an atlas of the adult mouse lumbar spinal cord. We identified and molecularly characterized 43 neuronal populations. Next, we leveraged the snRNA-seq approach to provide unbiased identification of neuronal populations that were active following a sensory and a motor behavior, using a transcriptional signature of neuronal activity...
February 20, 2018: Cell Reports
https://www.readbyqxmd.com/read/29466494/granulocyte-colony-stimulating-factor-combined-with-methylprednisolone-improves-functional-outcomes-in-rats-with-experimental-acute-spinal-cord-injury
#12
William Gemio Jacobsen Teixeira, Alexandre Fogaça Cristante, Raphael Martus Marcon, Gustavo Bispo, Ricardo Ferreira, Tarcísio Eloy Pessoa de Barros-Filho
OBJECTIVES: To evaluate the effects of combined treatment with granulocyte colony-stimulating factor (G-CSF) and methylprednisolone in rats subjected to experimental spinal cord injury. METHODS: Forty Wistar rats received a moderate spinal cord injury and were divided into four groups: control (no treatment); G-CSF (G-CSF at the time of injury and daily over the next five days); methylprednisolone (methylprednisolone for 24 h); and G-CSF/Methylprednisolone (methylprednisolone for 24 h and G-CSF at the time of injury and daily over the next five days)...
February 19, 2018: Clinics
https://www.readbyqxmd.com/read/29466323/transplantation-of-recombinant-vascular-endothelial-growth-factor-vegf-189-neural-stem-cells-downregulates-transient-receptor-potential-vanilloid-1-trpv1-and-improves-motor-outcome-in-spinal-cord-injury
#13
Yun Zeng, Heng Han, Bing Tang, Jie Chen, Dan Mao, Min Xiong
BACKGROUND Spinal cord injury (SCI) causes a rapid loss of motor neurons, leading to weakness and paralysis. Transplantation of neural stem cells is known to restore the neuronal activity but is inefficient due to limited regenerative capability and low rate of survival. There has been an emphasis on the use of growth factors along with neural stem cells (NSCs) to enhance the neuronal recovery. Transplantation of recombinant NSCs with vascular endothelial growth factor (VEGF) might promote neuronal repair. This effect might be attributed to the reduced transient receptor potential vanilloid 1 (TRPV1) expression following transplantation...
February 21, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29465433/emerging-targets-for-reprograming-the-immune-response-to-promote-repair-and-recovery-of-function-after-spinal-cord-injury
#14
Faith H Brennan, Phillip G Popovich
PURPOSE OF REVIEW: In adult mammals, a traumatic spinal cord injury (SCI) elicits a chronic unregulated neuroinflammatory response accompanied by seemingly paradoxical suppression of systemic immunity. These SCI-induced changes in immune function contribute to poor neurological outcomes and enhanced morbidity or mortality. Nonspecific anti-inflammatory or proinflammatory therapies are ineffective and can even worsen outcomes. Therefore, recent experimental SCI research has advanced the understanding of how neuroimmune cross-talk contributes to spinal cord and systemic pathology...
February 19, 2018: Current Opinion in Neurology
https://www.readbyqxmd.com/read/29465306/sex-dimorphism-in-the-distribution-of-adipose-tissue-and-its-influence-on-proinflammatory-adipokines-and-cardiometabolic-profiles-in-motor-complete-spinal-cord-injury
#15
Gary J Farkas, Ashraf S Gorgey, David R Dolbow, Arthur S Berg, David R Gater
OBJECTIVE: We aimed to examine the influence of sex on the distribution of adipose tissue, as well as proinflammatory adipokine and cardiometabolic profiles, in chronic motor complete spinal cord injury (SCI). DESIGN: Cross-sectional and correlational study. SETTING: Academic rehabilitation hospital. PARTICIPANTS: Forty-seven individuals with chronic motor complete SCI classified according to sex (males: age 44.0 ± 10...
February 21, 2018: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29465295/predicting-complicated-outcomes-in-spinal-cord-injury-patients-with-urinary-tract-infection-development-and-internal-validation-of-a-risk-model
#16
Sheng Si, Yan Yan, Brian M Fuller, Stephen Y Liang
CONTEXT/OBJECTIVE: Patients with chronic SCI hospitalized for UTI can have significant morbidity. It is unclear whether SIRS criteria, SOFA score, or quick SOFA score can be used to predict complicated outcome. DESIGN: Retrospective cohort study. A risk prediction model was developed and internally validated using bootstrapping methodology. SETTING: Urban, academic hospital in St. Louis, Missouri. PARTICIPANTS: 402 hospitalizations for UTI between October 1, 2010 and September 30, 2015, arising from 164 patients with chronic SCI, were included in the final analysis...
February 21, 2018: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/29464751/prediction-of-bladder-outcomes-after-ischemic-spinal-cord-injury-a-longitudinal-cohort-study-from-the-european-multicenter-study-about-spinal-cord-injury
#17
Giorgio Scivoletto, Chiara Pavese, Lucas M Bachmann, Martin Schubert, Armin Curt, Enrico Finazzi Agro, Alfons G Kessels, Thomas M Kessler
OBJECTIVE: The recovery of bladder function after spinal cord injury (SCI) is of major importance for patients and caregivers. We recently developed prediction models of bladder outcomes (defined as the capacity of storing the urine and emptying completely the bladder) 1 year after a SCI of traumatic etiology and investigated if these models would also be applicable to patients with ischemic SCI. PATIENTS AND METHODS: From the European multicenter study about spinal cord injury (EMSCI), we extracted data of all ischemic SCI patients with available neurological and functional data (according to the International Standards for Neurological Classification of Spinal Cord Injury, ISNCSCI, and Spinal Cord Independence Measure, SCIM) within 40 days and bladder outcomes 1 year after ischemia...
February 21, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29463946/extensive-bilateral-patellar-tendon-ossification-in-a-spinal-cord-injury-patient
#18
Norio Yamamoto, Takaaki Miki, Akihiro Nishiyama, Tomoyuki Dan'ura, Yuzuru Matsui, Toshifumi Ozaki
This is the first report of extensive bilateral patellar tendon ossification occurring over a prolonged time after a unilateral knee injury. An 84-year-old Japanese man with a spinal cord injury caused by a burst fracture of the T12 vertebra presented with a bony hard prominence on the left knee, which was injured in a traffic accident when he was 77 years old. Radiography revealed extensive ossification of the bilateral patellar tendons. We review the English literature with a focus on the localization of bilateral heterotopic ossification of the knee in patients who had a central nervous system injury...
February 2018: Acta Medica Okayama
https://www.readbyqxmd.com/read/29463157/comparing-recalibration-strategies-for-electroencephalography-based-decoders-of-movement-intention-in-neurological-patients-with-motor-disability
#19
Eduardo López-Larraz, Jaime Ibáñez, Fernando Trincado-Alonso, Esther Monge-Pereira, José Luis Pons, Luis Montesano
Motor rehabilitation based on the association of electroencephalographic (EEG) activity and proprioceptive feedback has been demonstrated as a feasible therapy for patients with paralysis. To promote long-lasting motor recovery, these interventions have to be carried out across several weeks or even months. The success of these therapies partly relies on the performance of the system decoding movement intentions, which normally has to be recalibrated to deal with the nonstationarities of the cortical activity...
December 17, 2017: International Journal of Neural Systems
https://www.readbyqxmd.com/read/29463007/new-insights-into-the-role-of-neuron-specific-enolase-in-neuro-inflammation-neurodegeneration-and-neuroprotection
#20
REVIEW
Azizul Haque, Rachel Polcyn, Denise Matzelle, Naren L Banik
Neurodegeneration is a complex process that leads to irreversible neuronal damage and death in spinal cord injury (SCI) and various neurodegenerative diseases, which are serious, debilitating conditions. Despite exhaustive research, the cause of neuronal damage in these degenerative disorders is not completely understood. Elevation of cell surface α-enolase activates various inflammatory pathways, including the production of pro-inflammatory cytokines, chemokines, and some growth factors that are detrimental to neuronal cells...
February 18, 2018: Brain Sciences
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