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Chronic AND Spinal Cord Injury

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https://www.readbyqxmd.com/read/28636962/reactive-astrocytes-production-function-and-therapeutic-potential
#1
REVIEW
Shane A Liddelow, Ben A Barres
Astrocytes constitute approximately 30% of the cells in the mammalian central nervous system (CNS). They are integral to brain and spinal-cord physiology and perform many functions important for normal neuronal development, synapse formation, and proper propagation of action potentials. We still know very little, however, about how these functions change in response to immune attack, chronic neurodegenerative disease, or acute trauma. In this review, we summarize recent studies that demonstrate that different initiating CNS injuries can elicit at least two types of "reactive" astrocytes with strikingly different properties, one type being helpful and the other harmful...
June 20, 2017: Immunity
https://www.readbyqxmd.com/read/28635523/long-term-paired-associative-stimulation-enhances-motor-output-of-the-tetraplegic-hand
#2
Aleksandra Tolmacheva, Sarianna Savolainen, Erika Kirveskari, Pantelis Lioumis, Linda Kuusela, Nina Maria Brandstack, Aarne Ylinen, Jyrki Mäkelä, Anastasia Shulga
A large proportion of spinal cord injuries are incomplete. Even in clinically complete injuries, silent nonfunctional connections can be present. Therapeutic approaches that can strengthen transmission in weak neural connections to improve motor performance are needed. Our aim was to determine whether long-term delivery of paired associative stimulation (PAS, a combination of transcranial magnetic stimulation (TMS) with peripheral nerve stimulation (PNS)) can enhance motor output in the hands of patients with chronic traumatic tetraplegia, and to compare this technique with long-term PNS...
June 21, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28631746/prevalence-of-androgen-deficiency-in-chronic-spinal-cord-injury-patients-suffering-from-erectile-dysfunction
#3
M Behnaz, Z Majd, M Radfar, H Ajami, M Qorbani, A Kokab
STUDY DESIGN: Retrospective cross-sectional study. OBJECTIVES: To estimate the prevalence of biochemical androgen deficiency in Iranian spinal cord injured men suffering from erectile dysfunction (ED) and to determine factors related to this problem. SETTING: An andrology clinic of a teaching hospital in Tehran. METHODS: Men, 18 years of age and older, with chronic (>2 years) spinal cord injury (SCI) suffering from ED were recruited...
June 20, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28628622/urinary-catheter-associated-microbiota-change-in-accordance-with-treatment-and-infection-status
#4
Laetitia Bossa, Kimberly Kline, Diane McDougald, Bonsan Bonne Lee, Scott A Rice
The use of long-term catheterisation to manage insensate bladders, often associated with spinal cord injury (SCI), increases the risk of microbial colonisation and infection of the urinary tract. Urinary tract infection (UTI) is typically diagnosed and treated based on the culturing of organisms from the urine, although this approach overlooks low titer, slow growing and non-traditional pathogens. Here, we present an investigation of the urinary tract microbiome in catheterised SCI individuals, using T-RFLP and metagenomic sequencing of the microbial community...
2017: PloS One
https://www.readbyqxmd.com/read/28628595/activity-based-therapy-from-basic-science-to-clinical-application-for-recovery-after-spinal-cord-injury
#5
Andrea L Behrman, Elizabeth M Ardolino, Susan J Harkema
BACKGROUND AND PURPOSE: Collaboration between scientists and clinicians effectively accelerated translation of scientific evidence for activity-based therapies (ABTs) into rehabilitation. This article addresses the basic scientific findings of activity-dependent plasticity that led to locomotor training, an ABT, and its principles to advance recovery in adult and pediatric populations with spinal cord injury (SCI). Expansion to new therapies based on these common principles is highlighted, for example, epidural stimulation...
July 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28628156/-atlantoaxial-reduction-and-fixation-guided-by-the-intraoperative-ct
#6
(no author information available yet)
OBJECTIVE: To evaluate the clinical result of atlantoaxial reduction and fixation guided by the intraoperative CT. METHODS: Sixteen cases were retrospectively studied, including seven males and nine females, with the mean age of 49.9 years. Twelve cases were diagnosed as chronic atlantoaxial instability or dislocation, while four cases as acute odontoid fracture and dislocation. Among the sixteen cases, fourteen underwent atlantoaxial fusion, while two underwent temporary atlantoaxial fixation without fusion...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28627589/effect-of-the-spinal-apelin%C3%A2-apj-system-on-the-pathogenesis-of-chronic-constriction-injury%C3%A2-induced-neuropathic-pain-in-rats
#7
Qingming Xiong, Wanyou He, Hanbing Wang, Jun Zhou, Yajun Zhang, Jian He, Chengxiang Yang, Bin Zhang
Apelin is hypothesized to serve a dual function in pain processing. Spinal administration of apelin induces hyperalgesia, while opioid receptors are implicated in the antinociceptive effects of apelin in acute nociceptive models. However, whether the apelin‑apelin receptor (APJ) system is involved in neuropathic pain remains to be elucidated. The present study aimed to evaluate the impact and mechanism of the spinal apelin‑APJ system in neuropathic pain. Chronic constriction injury (CCI) of the sciatic nerve produced sustained spinal apelin and APJ upregulation, which was associated with mechanical allodynia and heat hyperalgesia development in the hind‑paw plantar surface...
June 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28626478/comparative-effects-of-chronic-administrations-of-gabapentin-pregabalin-and-baclofen-on-rat-memory-using-object-recognition-test
#8
Asma Salimzade, Ali Hosseini-Sharifabad, Mohammad Rabbani
Memory impairment is one of the greatest concerns when it comes to long-term CNS-affecting drug administration. Drugs like gabapentin, pregabalin and baclofen are administered in a long-term period in conditions such as epilepsy, neuropathic pain, spasticity associated with spinal cord injury or multiple sclerosis. Despite their wide spread use, few data are available on the effects of these drugs on cognitive functions, such as learning memory. In the present study, the effects of long-term administration of gabapentin, pregabalin and baclofen on memory were investigated in a comparative manner...
June 2017: Research in Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28625489/diosmin-reduces-chronic-constriction-injury-induced-neuropathic-pain-in-mice
#9
Mariana M Bertozzi, Ana C Rossaneis, Victor Fattori, Daniela T Longhi-Balbinot, Andressa Freitas, Fernando Q Cunha, José C Alves-Filho, Thiago M Cunha, Rubia Casagrande, Waldiceu A Verri
Injury or dysfunction of somatosensory system induces a complex syndrome called neuropathic pain, which still needs adequate pharmacological control. The current pharmacological treatments were in part developed from natural compounds. Flavonoids are natural polyphenolic molecules presenting varied biological activities and low toxicity. The flavonoid diosmin is a safe compound with good tolerability and low toxicity. This study evaluated the antinociceptive effect of diosmin in the sciatic nerve chronic constriction injury (CCI)-induced neuropathic pain model...
June 15, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28622486/the-physiological-basis-of-cervical-facet-mediated-persistent-pain-basic-science-and-clinical-challenges
#10
Meagan E Ita, Sijia Zhang, Timothy P Holsgrove, Sonia Kartha, Beth A Winkelstein
Synopsis Chronic neck pain is common and a primary clinical symptom of whiplash and other spinal injuries. Loading-induced neck injuries produce abnormal kinematics between the vertebrae, with the potential to injure facet joints and the afferent fibers that innervate the specific joint tissues, including the capsular ligament. Mechanoreceptive and nociceptive afferents that innervate the facet have their peripheral terminals in the capsule, cell bodies in the dorsal root ganglia, and terminal processes in the spinal cord...
June 16, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28616956/tramadol-for-neuropathic-pain-in-adults
#11
REVIEW
Rudolf Martin Duehmke, Sheena Derry, Philip J Wiffen, Rae F Bell, Dominic Aldington, R Andrew Moore
BACKGROUND: This review is an update of a review of tramadol for neuropathic pain, published in 2006; updating was to bring the review in line with current standards. Neuropathic pain, which is caused by a lesion or disease affecting the somatosensory system, may be central or peripheral in origin. Peripheral neuropathic pain often includes symptoms such as burning or shooting sensations, abnormal sensitivity to normally painless stimuli, or an increased sensitivity to normally painful stimuli...
June 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28616261/nerve-entrapment-as-a-cause-of-shoulder-pain-in-the-spinal-cord-injured-patient
#12
Catherine M Curtin, Carl-Goran Hagert, Claes Hultling, Elisabet Hagert
INTRODUCTION: Many people with chronic spinal cord injury (SCI) develop shoulder pain, which can adversely impact transfers and independence. Yet effective treatments remain elusive. CASE PRESENTATION: This report presents two patients with tetraplegia who had long-standing shoulder pain. Our exam showed muscle weakness and point tenderness, suggestive of nerve entrapments of the radial and axillary nerves in the posterior shoulder. These nerves were surgically decompressed and post-operatively the patients' pain resolved...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28615341/high-frequency-epidural-stimulation-across-the-respiratory-cycle-evokes-phrenic-short-term-potentiation-after-incomplete-cervical-spinal-cord-injury
#13
Elisa J Gonzalez-Rothi, Kristi A Streeter, Marie H Hanna, Anna C Stamas, Paul J Reier, David M Baekey, David D Fuller
C2 spinal hemilesion (C2Hx) paralyzes the ipsilateral diaphragm, but recovery is possible through activation of "crossed spinal" synaptic inputs to ipsilateral phrenic motoneurons. We tested the hypothesis that high frequency epidural stimulation (HF-ES) would potentiate ipsilateral phrenic output after subacute and chronic C2Hx. HF-ES (300 Hz) was applied to the ventrolateral C4 or T2 spinal cord ipsilateral to C2Hx in anesthetized and mechanically ventilated adult rats. Stimulus duration was 60-sec and currents ranged from 100-1000 µA...
June 14, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28612120/anti-allodynic-action-of-the-disease-modifying-anti-rheumatic-drug-iguratimod-in-a-rat-model-of-neuropathic-pain
#14
K Morimoto, A Miura, Keiichi Tanaka
OBJECTIVE: Patients with rheumatoid arthritis experience nociceptive as well as neuropathic pain. The effect of iguratimod (IGU), a disease-modifying anti-rheumatic drug, on neuropathic pain in a rat model of chronic constriction injury (CCI) was examined in this study. METHODS: CCI was induced by making four ligations on the left sciatic nerve. Rats with stable signs of static allodynia were selected 2 weeks after the surgery and drug treatments were started (day 0)...
June 13, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28611846/safety-of-allogeneic-canine-adipose-tissue-derived-mesenchymal-stem-cell-intraspinal-transplantation-in-dogs-with-chronic-spinal-cord-injury
#15
Cláudia Cardoso Maciel Escalhão, Isalira Peroba Ramos, Camila Hochman-Mendez, Tais Hanae Kasai Brunswick, Sergio Augusto Lopes Souza, Bianca Gutfilen, Regina Coeli Dos Santos Goldenberg, Tatiana Coelho-Sampaio
This is a pilot clinical study primarily designed to assess the feasibility and safety of X-ray-guided percutaneous intraspinal injection of allogeneic canine adipose tissue-derived mesenchymal stem cells in dogs with chronic spinal cord injury. Six dogs with chronic paraplegia (≥six months) were intraparenchymally injected with allogeneic cells in the site of lesion. Cells were obtained from subcutaneous adipose tissue of a healthy dog, cultured to passage 3, labeled with (99m)Technetium, and transplanted into the lesion by percutaneous X-ray-guided injection...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28608248/the-analgesic-effect-of-trans-resveratrol-is-regulated-by-calcium-channels-in-the-hippocampus-of-mice
#16
Weijie Wang, Yingcong Yu, Jing Li, Lin Wang, Zhi Li, Chong Zhang, Linlin Zhen, Lianshu Ding, Gang Wang, Xiaoyang Sun, Ying Xu
Resveratrol has been widely studied in terms of it's potential to slow the progression of many diseases. But little is known about the mechanism of action in neuropathic pain. Neuropathic pain is the main type of chronic pain associated with tissue injury. Calcium channels and calcium/caffeine-sensitive pools are associated with analgesic pathway involving neuropathic pain. Our previous study suggested that the antinociceptive effect of resveratrol was involved in Ca(2+)/calmodulin-dependent signaling in the spinal cord of mice...
June 12, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28607522/agreement-between-fragility-fracture-risk-assessment-algorithms-as-applied-to-adults-with-chronic-spinal-cord-injury
#17
T Cervinka, C L Lynch, L Giangregorio, J D Adachi, A Papaioannou, L Thabane, B C Craven
STUDY DESIGN: Cross-sectional. OBJECTIVES: The objective of the study was to determine and report agreement in fracture risk stratification of adults with spinal cord injury (SCI) using (1) Canadian Association of Radiologists and Osteoporosis Canada (CAROC) and Canadian Fracture Risk Assessment (FRAX) tools with and without areal bone mineral density (aBMD) and (2) SCI-specific fracture thresholds. SETTING: Tertiary rehabilitation center, Ontario, Canada...
June 13, 2017: Spinal Cord
https://www.readbyqxmd.com/read/28602927/one-year-mortality-of-chronic-kidney-disease-patients-following-spinal-cord-injury-a-14-year-population-based-study
#18
Shou-Chun Yu, Jinn-Rung Kuo, Yow-Ling Shiue, Zong-Xing Yu, Chung-Han Ho, Chia-Chun Wu, Jhi-Joung Wang, Chin-Chen Chu, Sher-Wei Lim
OBJECTIVE: Chronic kidney disease (CKD) has become a global public health burden because of its increasing incidence, high risk of progression to end-stage renal disease (ESRD), and poor prognosis. We aimed to investigate the 1-year mortality rate of spinal cord injury (SCI) patients with CKD and ESRD, and compare it with that of SCI patients without CKD by conducting a large Taiwanese population dataset. METHODS: In this 14-year retrospective cohort study, the study group (SCI with CKD group, N=3315) and comparison group (SCI without CKD group, N=6630) were matched at a 1:2 ratio with propensity score matching by age, sex, comorbidities, length of intensive care unit (ICU) stay, and length of stay...
June 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28598070/-helminth-derived-immunomodulatory-glycan-lnfp3-impairs-pathogenesis-of-peripheral-neuropathic-pain-and-spinal-glial-activation
#19
You-Quan Ding, Hhong-Yi Ren, Xia Xiao, Xuan-Yang Li, Jian-Guo Qi
OBJECTIVES: To investigate the effect of helminth-derived immunomodulatory glycan lacto-N-fucopentaose3(LNFP3) on the pathogenesis of neuropathic pain and spinal glial activation in the corresponding time windows after adult rat tibial nerve permanent transection (modified spared nerve injury, mSNI). METHODS: Ten weeks old male adult Sprague-Dawley (SD) rats weighing 250-300 g were randomly grouped into four groups: sham-operated group (n =6), mSNI group (n =6), mSNI plus bovine serum albumin (BSA) group (n =12) and mSNI plus LNFP3 group (n=12)...
September 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28597908/chronic-pain-depression-and-quality-of-life-in-individuals-with-spinal-cord-injury-mediating-role-of-participation
#20
Rachel Müller, Gunther Landmann, Markus Béchir, Timo Hinrichs, Ursina Arnet, Xavier Jordan, Martin W G Brinkhof
OBJECTIVE: To test the hypotheses that: (i) pain is associated with depressive symptoms and quality of life; and (ii) participation restriction, satisfaction, and frequency mediate these relationships. DESIGN: Population-based, cross-sectional study. SUBJECTS/PATIENTS: Community-dwelling individuals with spinal cord injury (n = 1,549). METHODS: Hypotheses were tested in individuals with at least moderate chronic pain on the spinal cord injury - Secondary Conditions Scale (n = 834), applying structural equation modelling to data for spinal cord injury subgroups related to lesion severity (paraplegia, tetraplegia, complete, incomplete) and time since injury (≤ 10 vs ≥ 10 years)...
June 8, 2017: Journal of Rehabilitation Medicine
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