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Spinal Pain

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https://www.readbyqxmd.com/read/28651128/local-up-regulation-of-interferon-%C3%AE-ifn-%C3%AE-following-disc-herniation-is-involved-in-the-inflammatory-response-underlying-acute-lumbar-radicular-pain
#1
Gunn-Helen Moen, Aurora Moen, Elina I Schistad, Johannes Gjerstad
Lumbar radicular pain after disc herniation may be associated with release of pro-inflammatory cytokines from nucleus pulposus (NP) tissue. In the present study we examined the role of interferon-γ (IFN-γ) and cluster of differentiation 68 (CD68) in the acute phase of this process. First, in an animal model mimicking the clinical situation after disc herniation, the role of IFN-γ close to the dorsal nerve roots was studied. Next, in patients with lumbar radicular pain due to disc herniation, we examined how two single nucleotide polymorphisms (SNPs; rs2069705 and rs2069718) are important for the IFN-γ expression influenced the pain behavior...
June 23, 2017: Cytokine
https://www.readbyqxmd.com/read/28650240/development-of-a-clinical-spasticity-scale-for-evaluation-of-dogs-with-chronic-thoracolumbar-spinal-cord-injury
#2
Melissa J Lewis, Natasha J Olby
OBJECTIVE To develop a spasticity scale for dogs with chronic deficits following severe spinal cord injury (SCI) for use in clinical assessment and outcome measurement in clinical trials. ANIMALS 20 chronically paralyzed dogs with a persistent lack of hind limb pain perception caused by an acute SCI at least 3 months previously. PROCEDURES Spasticity was assessed in both hind limbs via tests of muscle tone, clonus, and flexor and extensor spasms adapted from human scales. Measurement of patellar clonus duration and flexor spasm duration and degree was feasible...
July 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28649695/neuronal-aromatase-expression-in-pain-processing-regions-of-the-medullary-and-spinal-cord-dorsal-horn
#3
May Tran, Julia A Kuhn, João M Bráz, Allan I Basbaum
In both acute and chronic pain conditions, women tend to be more sensitive than men. This sex difference may be regulated by estrogens, such as estradiol, that are synthesized in the spinal cord and brainstem and act locally to influence pain processing. To identify a potential cellular source of local estrogen, here we examined the expression of aromatase, the enzyme that catalyzes the conversion of testosterone to estradiol. Our studies focused on primary afferent neurons and on their central targets in the spinal cord and medulla as well as in the nucleus of the solitary tract, the target of nodose ganglion-derived visceral afferents...
June 26, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28649479/functional-outcomes-of-childhood-selective-dorsal-rhizotomy-20-to-28-years-later
#4
T S Park, Jenny L Liu, Caleb Edwards, Deanna M Walter, Matthew B Dobbs
BACKGROUND: Selective dorsal rhizotomy (SDR) is a surgical method used to treat childhood spastic cerebral palsy (CP). However, the effects of early SDR on functional outcomes and quality of life decades later in adulthood remains to be elucidated. OBJECTIVES: To evaluate the long-term outcomes in terms of satisfaction and mobility of adult patients who received childhood SDR. METHODS: Adult patients who received SDR in childhood were surveyed...
May 17, 2017: Curēus
https://www.readbyqxmd.com/read/28648406/n-2-morpholin-4-yl-ethyl-2-1naphthyloxy-acetamide-inhibits-the-chronic-constriction-injury-generated-hyperalgesia-via-the-antagonism-of-sigma-1-receptors
#5
Josué Vidal Espinosa-Juárez, Osmar Antonio Jaramillo-Morales, Gabriel Navarrete-Vázquez, Luis Alberto Melo Hernández, Myrna Déciga-Campos, Francisco Javier López-Muñoz
The most used therapeutic treatment to relieve neuropathic pain is that of neuromodulators such as anti-epileptics or anti-depressants; however, there are alternatives that may be potentially useful. The sigma-1 receptor is a therapeutic target that has shown favorable results at preclinical levels. The aim of this study was to evaluate the anti-hyperalgesic effect of N-(2-morpholin-4-yl-ethyl)-2-(1-naphthyloxy) acetamide (NMIN) in a chronic constriction injury model (CCI) and compare it both a sigma-1 antagonist (BD-1063) and also Gabapentin, as well as determine its possible role as an antagonist of sigma-1 receptors...
June 22, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28648042/-effects-of-lappaconitine-on-pain-and-inflammatory-response-of-severely-burned-rats-and-the-mechanism
#6
C L Yang, Z R Wei, T H Zhang, X Q Zeng, B H Wu
Objective: To explore the effects of lappaconitine (LA) on pain and inflammatory response of severely burned rats and the mechanism. Methods: Forty SD rats were divided into healthy+ normal saline group, sham injury+ normal saline group, pure burn group, burn+ LA group, and healthy+ LA group according to the random number table (the same dividing method below), with 8 rats in each group. Rats in pure burn and burn+ LA groups were inflicted with about 32% total body surface area deep partial-thickness scald (hereinafter referred to as burn) on the back and right hind...
June 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28647803/chronic-joint-pain-and-handgrip-strength-correlates-with-osteoporosis-in-mid-life-women-a-singaporean-cohort
#7
S Logan, W P P Thu, W K Lay, L Y Wang, J A Cauley, E L Yong
This study aimed to identify novel correlates which may relate to low bone mass at lumbar spine in mid-life Asian women. The possibility of developing a prediction model for osteoporosis (OP) was explored which resulted in a risk assessment tool that performed better than currently available tools. INTRODUCTION: In order to identify novel correlates associated with low spinal bone mineral density (BMD) in mid-life women, we examined a large number of lifestyle and medical and performance measurements and developed a prediction model for triage to BMD scanning...
June 24, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28647656/delayed-retroclival-and-cervical-spinal-subdural-hematoma-complicated-by-pre-existing-chiari-malformation-in-an-adult-trauma-patient
#8
Ha Nguyen, Hoon Choi, Shekar Kurpad, Hesham Soliman
INTRODUCTION: Traumatic spinal subdural hematoma involving the retroclival region and upper cervical spine is a rare pathology. To our knowledge, there have only been two prior cases in an adult trauma patient. We describe a patient with pre-existing Chiari 1 malformation, who recently sustained a unilateral Type 1 OCF (occipital condyle fracture) with associated disruption of the tectorial membrane and transverse ligament, that returned with a retroclival subdural hematoma extending down to C7, causing spinal cord compression and symptomatic obstructive hydrocephalus...
June 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28647454/elevated-serum-met-5-enkephalin-levels-correlate-with-improved-clinical-and-behavioral-outcomes-in-experimental-autoimmune-encephalomyelitis
#9
Michael D Ludwig, Ian S Zagon, Patricia J McLaughlin
Methionine enkephalin ([Met(5)]-enkephalin, Opioid growth factor (OGF)) is a small neuropeptide with growth-related as well as immunomodulatory properties. OGF is distributed widely throughout the body, is both autocrine and paracrine produced, and has a very short half-life in serum. In addition to its neurotransmitter functions, OGF inhibits cell replication of a wide variety of cells involved in the autoimmune process. In this preclinical study, mice were immunized with myelin oligodendrocytic glycoprotein (MOG35-55) to establish a chronic progressive form of autoimmune encephalomyelitis (EAE), and serum enkephalin levels were assessed throughout the disease as well as in response to OGF therapy in order to determine whether OGF may be a biological marker for EAE and multiple sclerosis...
June 21, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28647288/gap-junctions-pannexins-and-pain
#10
REVIEW
David C Spray, Menachem Hanani
Enhanced expression and function of gap junctions and pannexin (Panx) channels has been associated with both peripheral and central mechanisms of pain sensitization. At the level of the sensory ganglia, evidence includes augmented gap junction and pannexin1 expression in glial cells and neurons in inflammatory and neuropathic pain models and increased synchrony and enhanced cross-excitation among sensory neurons by gap junction-mediated coupling. In spinal cord and in suprapinal areas, evidence is largely limited to increased expression of relevant proteins, although in several rodent pain models, hypersensitivity is reduced by treatment with gap junction/Panx1 channel blocking compounds...
June 21, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28647094/long-term-prognosis-of-hematogenous-vertebral-osteomyelitis-mortality-quality-of-life-and-pain
#11
Terufumi Kokabu, Masahiko Takahata, Nobuhisa Ishiguro, Norimasa Iwasaki
BACKGROUND: Hematogenous vertebral osteomyelitis (HVO) has a generally favorable prognosis if appropriate treatment is initiated in its early phase; however, some intractable cases with HVO can develop neurological impairment as well as spinal deformity during the course of treatment and these sequelae may lead to impaired quality of life (QOL). In this study, we aimed to evaluate the long-term relapse rate, mortality, and QOL of patients with HVO. METHODS: In this retrospective case series study, medical records of 60 patients with HVO with a mean follow-up period of 8 years (5-23 years) were reviewed to assess demographic data, details of infection, and clinical course...
June 21, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28646454/the-oswestry-disability-index-confirmatory-factor-analysis-in-a-sample-of-35-263-verifies-a-one-factor-structure-but-practicality-issues-remain
#12
Charles Philip Gabel, Antonio Cuesta-Vargas, Meihua Qian, Rok Vengust, Ulrich Berlemann, Emin Aghayev, Markus Melloh
PURPOSE: To analyze the factor structure of the Oswestry Disability Index (ODI) in a large symptomatic low back pain (LBP) population using exploratory (EFA) and confirmatory factor analysis (CFA). METHODS: Analysis of pooled baseline ODI LBP patient data from the international Spine Tango registry of EUROSPINE, the Spine Society of Europe. The sample, with n = 35,263 (55.2% female; age 15-99, median 59 years), included 76.1% of patients with a degenerative disease, and 23...
June 23, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28645597/spinal-arteriovenous-malformation-associated-with-parkes-weber-syndrome-report-of-two-cases-and-literature-review
#13
Zi-Fu Li, Qiang Li, Yi Xu, Bo Hong, Qing-Hai Huang, Jian-Min Liu
OBJECTIVE: To present two cases of Parkes Weber syndrome (PWS) with spinal arteriovenous malformation(AVM), and discuss the radiological features and clinical treatment with literature review. METHODS: Clinical data on two PWS patients with spinal AVM was acquired in a prospective follow-up investigation. Clinical manifestations, radiographic features, procedural results and follow-up outcome were collected and reviewed together with literature review. RESULTS: The first patient presented with limb weakness and urinary dysfunction and the second with repetitive subarachnoid hemorrhage followed by paraplegia...
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28645297/interleukin-1-receptor-type-1-is-overexpressed-in-neurons-but-not-in-glial-cells-within-the-rat-superficial-spinal-dorsal-horn-in-complete-freund-adjuvant-induced-inflammatory-pain
#14
Krisztina Holló, László Ducza, Zoltán Hegyi, Klaudia Dócs, Krisztina Hegedűs, Erzsébet Bakk, Ildikó Papp, Gréta Kis, Zoltán Mészár, Zsuzsanna Bardóczi, Miklós Antal
BACKGROUND: All known biological functions of the pro-inflammatory cytokine interleukin-1β (IL-1β) are mediated by type 1 interleukin receptor (IL-1R1). IL-1β-IL-1R1 signaling modulates various neuronal functions including spinal pain processing. Although the role of IL-1β in pain processing is generally accepted, there is a discussion in the literature whether IL-1β exerts its effect on spinal pain processing by activating neuronal or glial IL-1R1. To contribute to this debate, here we investigated the expression and cellular distribution of IL-1R1 in the superficial spinal dorsal horn in control animals and also in inflammatory pain...
June 23, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28644256/cluster-like-headache-secondary-to-focal-cervical-myelitis
#15
Dong-Eun Kim, Ji-Yun Park, Hyeonuk Ha, Geum-Jin Yoon, Bang-Hoon Cho, Seung-Han Lee
BACKGROUND: Cluster headache (CH) is characterized by attacks of severe periorbital pain associated with autonomic symptoms. As with other forms of primary headache, structural lesions should be excluded, particularly if the headache presents with an atypical pattern. CASE: We report a 41-year-old woman who had no previous history of primary headache and showed a poor response to medication for CH. The patient was finally diagnosed as secondary headache with CH feature due to focal myelitis at the cervical level of the spinal cord...
July 2017: Neurologist
https://www.readbyqxmd.com/read/28642283/selective-inhibition-of-trigeminovascular-neurons-by-fremanezumab-a-humanized-monoclonal-anti-cgrp-antibody
#16
Agustin Melo-Carrillo, Rodrigo Noseda, Rony Nir, Aaron Schain, Jennifer Stratton, Andrew M Strassman, Rami Burstein
A large body of evidence supports an important role for CGRP in migraine pathophysiology. This evidence gave rise to a global effort to develop a new generation of therapeutics that inhibit the interaction of CGRP with its receptor in migraineurs. Recently, a new class of such drugs, humanized monoclonal anti-CGRP antibodies (CGRP-mAb) were found to be effective in reducing the frequency of migraine. The purpose of this study was to better understand how the CGRP-mAb fremanezumab (TEV-48125) modulates meningeal sensory pathways...
June 22, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28642180/obese-bmi-30-patients-have-greater-functional-improvement-and-reach-equivalent-outcomes-at-12-months-following-decompression-surgery-for-symptomatic-lumbar-stenosis
#17
Galal Elsayed, Matthew C Davis, Esther C Dupépé, Samuel G McCluggage, Paul Szerlip, Beverly C Walters, Mark N Hadley
OBJECTIVE: Here we evaluate the effect of obesity on 12-month functional outcomes following surgery for lumbar stenosis in an adult population. METHODS: Data were collected prospectively on patients treated with lumbar laminectomy for symptomatic lumbar spinal stenosis as part of an observational registry at a single institution from 2012 through 2014, and analyzed using a retrospective cohort study design. Patients with BMI>30 were compared to patients with BMI <30 with respect to baseline, 3-month, and 12-month functional status, adjusted for potential confounders...
June 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28641966/no-clinical-difference-comparing-general-regional-and-combination-anesthesia-in-hip-arthroplasty-a-multicenter-cohort-study-regarding-perioperative-pain-management-and-patient-satisfaction
#18
Felix Greimel, Guenther Maderbacher, Florian Zeman, Joachim Grifka, Winfried Meissner, Achim Benditz
BACKGROUND: Steadily increasing numbers of hip arthroplasties are reported in the past years. Different types of anesthetic methods for surgery itself as well as pain management programs have been established. It is one of the main goals to reduce postoperative pain levels and guarantee better and faster mobilization in the postoperative period. The present study aims to compare the use of general and regional spinal anesthesia and their combination regarding perioperative pain management and patient satisfaction...
May 26, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28640703/integrating-evidence-based-medicine-for-treatment-of-spinal-metastases-into-a-decision-framework-neurologic-oncologic-mechanicals-stability-and-systemic-disease
#19
Ori Barzilai, Ilya Laufer, Yoshiya Yamada, Daniel S Higginson, Adam M Schmitt, Eric Lis, Mark H Bilsky
Patients with cancer are frequently affected by spinal metastases. Treatment is palliative, with the principle goals of pain relief, preservation of neurologic function, and improvement in quality of life. In the past decade, we have witnessed a dramatic change in the treatment paradigms due to the development of improved surgical strategies and systemic and radiation therapy. The most important change to these paradigms has been the integration of spinal stereotactic radiosurgery (SSRS), allowing delivery of tumoricidal radiation doses with sparing of nearby organs at risk...
June 22, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28640106/the-outcome-of-eosinophilic-granuloma-involving-unilateral-atlantoaxial-joint-a-case-report-and-literature-review
#20
Yu Song, Wen Geng, Tao Guo, Yong Gao, Yukun Zhang, Shuai Li, Kun Wang, Ji Tu, Cao Yang
RATIONALE: Solitary eosinophilic granuloma (EG), the most benign, common form of Langerhans cell histiocytosis, has a self-limiting process and is associated with a good prognosis. Immobilization is recommended as the first treatment strategy for solitary EG, although the treatment protocols are still controversial. Radiotherapy and surgery are secondary treatment choices. Lesions of the upper cervical spine react differently to treatment because of their specific anatomical and motor features...
June 2017: Medicine (Baltimore)
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