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"Chronic pain"

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https://www.readbyqxmd.com/read/28531590/the-impact-of-chronic-pain-in-nutritional-status-and-prognosis-of-patients-with-metastatic-cancer-primaries
#1
Nikoletta Vidra, Fani Smarina, Athanasios Migdanis, Loukia Drosou, Meropi Kontogianni, Ioannis Gioulbasanis
No abstract text is available yet for this article.
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531306/association-of-long-term-opioid-therapy-with-functional-status-adverse-outcomes-and-mortality-among-patients-with-polyneuropathy
#2
E Matthew Hoffman, James C Watson, Jennifer St Sauver, Nathan P Staff, Christopher J Klein
Importance: Polyneuropathy is one of the most common painful conditions managed within general and specialty clinics. Neuropathic pain frequently leads to decisions about using long-term opioid therapy. Understanding the association of long-term opioid use with functional status, adverse outcomes, and mortality among patients with polyneuropathy could influence disease-specific decisions about opioid treatment. Objectives: To quantify the prevalence of long-term opioid use among patients with polyneuropathy and to assess the association of long-term opioid use with functional status, adverse outcomes, and mortality...
May 22, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28531299/pain-energy-model-of-mobility-limitation-in-the-older-adult
#3
Peter C Coyle, Jennifer A Schrack, Gregory E Hicks
Background. : Chronic pain is prevalent, costly, and disabling among older adults. Although mobility decline is inevitable with aging, it is clear, from current evidence, that older adults with chronic pain experience a greater rate of functional mobility decline than their pain-free peers. Past studies suggest that pain expedites the age-related decline in functional mobility; however, the pathways through which pain affects mobility remain unclear. Gerontological experts hypothesize that the age-related decline in mobility may be driven by alterations in energy expenditure; these concepts are outlined in a model known as the Energetic Pathway of Mobility Loss...
May 22, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28530662/pd-l1-inhibits-acute-and-chronic-pain-by-suppressing-nociceptive-neuron-activity-via-pd-1
#4
Gang Chen, Yong Ho Kim, Hui Li, Hao Luo, Da-Lu Liu, Zhi-Jun Zhang, Mark Lay, Wonseok Chang, Yu-Qiu Zhang, Ru-Rong Ji
Programmed cell death ligand-1 (PD-L1) is typically produced by cancer cells and suppresses immunity through the receptor PD-1 expressed on T cells. However, the role of PD-L1 and PD-1 in regulating pain and neuronal function is unclear. Here we report that both melanoma and normal neural tissues including dorsal root ganglion (DRG) produce PD-L1 that can potently inhibit acute and chronic pain. Intraplantar injection of PD-L1 evoked analgesia in naive mice via PD-1, whereas PD-L1 neutralization or PD-1 blockade induced mechanical allodynia...
May 22, 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28530346/-seeds-of-mindfulness-in-the-desert-preliminary-results-from-a-clinical-trial-in-the-mindfulness-clinic-mental-health-center-beer-sheva
#5
Lee Tibi Cohen, Keren Reiner Noy, Ayelet Shmulevich, Oded Arbel
INTRODUCTION: Mindfulness-based therapies are rooted in the Buddhist tradition, and promote cultivation of qualities such as open awareness, acceptance and compassion. While various studies have demonstrated the efficacy of integrating mindfulness in therapeutic practice for people suffering from clinical conditions such as depression and anxiety as well as the non-clinical population, this was rarely replicated in Israel. In the Mindfulness Clinic, located in the Mental Health Center, Beer Sheva, mindfulness workshops are now available for diverse populations dealing with various challenges such as daily stress, chronic pain, and depression...
December 2016: Harefuah
https://www.readbyqxmd.com/read/28528981/development-and-validation-of-a-daily-pain-catastrophizing-scale
#6
Beth D Darnall, John A Sturgeon, Karon F Cook, Chloe J Taub, Anuradha Roy, John W Burns, Michael Sullivan, Sean C Mackey
To date, there is no validated measure for pain catastrophizing at the daily level. The Pain Catastrophizing Scale (PCS) is widely used to measure trait pain catastrophizing. We sought to develop and validate a brief, daily version of the PCS for use in daily diary studies in order to facilitate research on mechanisms of catastrophizing treatment, individual differences in self-regulation, and to reveal the nuanced relationships between catastrophizing, correlates, and pain outcomes. After adapting the PCS for daily use, we evaluated the resulting 14 items using 3 rounds of cognitive interviews with 30 adults with chronic pain...
May 18, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28528759/replicate-effects-and-test-retest-reliability-of-quantitative-sensory-threshold-testing-in-dogs-with-and-without-chronic-pain
#7
David Knazovicky, Erika S Helgeson, Beth Case, Andrea Thomson, Margaret E Gruen, William Maixner, B Duncan X Lascelles
OBJECTIVE: To evaluate replicate effects and test-retest reliability of mechanical and thermal quantitative sensory testing (QST) in normal dogs and dogs with osteoarthritis (OA)-associated pain. STUDY DESIGN: A prospective clinical study. ANIMALS: A total of 54 client owned dogs (OA, n=31; controls, n=23). METHODS: Mechanical [electronic von Frey (EVF) and blunt pressure] and thermal (hot and cold) sensory thresholds were obtained in dogs with OA-associated pain and control dogs at two visits, 7 days apart, to assess test-retest reliability...
January 10, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28528670/glycine-receptor-drug-discovery
#8
Joseph W Lynch, Yan Zhang, Sahil Talwar, Argel Estrada-Mondragon
Postsynaptic glycine receptor (GlyR) chloride channels mediate inhibitory neurotransmission in the spinal cord and brain stem, although presynaptic and extrasynaptic GlyRs are expressed more widely throughout the brain. In humans, GlyRs are assembled as homo- or heteromeric pentamers of α1-3 and β subunits. GlyR malfunctions have been linked to a range of neurological disorders including hyperekplexia, temporal lobe epilepsy, autism, breathing disorders, and chronic inflammatory pain. Although it is possible that GlyRs may eventually be clinically targeted for a variety of neurological disorders, most research to date has focused on developing GlyR-targeted treatments for chronic pain...
2017: Advances in Pharmacology
https://www.readbyqxmd.com/read/28525647/evaluation-of-the-effects-of-tanezumab-a-monoclonal-antibody-against-nerve-growth-factor-on-the-sympathetic-nervous-system-in-adult-cynomolgus-monkeys-macaca-fascicularis-a-stereologic-histomorphologic-and-cardiofunctional-assessment
#9
Patrice Belanger, Paul Butler, Mark Butt, Siddhartha Bhatt, Stephen Foote, David Shelton, Mark Evans, Rosalinda Arends, Susan Hurst, Carlin Okerberg, Thomas Cummings, David Potter, Jill Steidl-Nichols, Mark Zorbas
Tanezumab, a humanized monoclonal antibody against nerve growth factor is in development for treatment of chronic pain. Three nonclinical studies assessed effects of clinically relevant and supratherapeutic doses of tanezumab on the sympathetic nervous system (SNS) of adult nonhuman primates. Study 1 evaluated potential effects of subcutaneous (SC) tanezumab (1.2 mg/kg every 8 weeks [Q8W]) on SNS in cynomolgus monkeys for 3 or 6 months and reversibility or persistence of any effects through a non-dosing/recovery period...
May 19, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28525633/scan-echo-for-pain-management-implementing-a-regional-telementoring-training-for-primary-care-providers
#10
Sherry Ball, Brigid Wilson, Scott Ober, Ali Mchaourab
Objective.:  The Specialty Care Access Network-Extension for Community Health Outcomes (SCAN-ECHO) is a video teleconferencing-based training program where primary care providers are trained by a specialty care team to provide specialty care. A multidisciplinary team of pain management specialists at the Cleveland Veterans Affairs Medical Center established such a program for pain management; a description and preliminary effectiveness assessment of this training program is presented...
May 19, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28525629/the-association-of-perceived-memory-loss-with-osteoarthritis-and-related-joint-pain-in-a-large-appalachian-population
#11
Kim E Innes, Usha Sambamoorthi
Objective. : Previous studies have documented memory impairment in several chronic pain syndromes. However, the potential link between memory loss and osteoarthritis (OA), the second most common cause of chronic pain, remains little explored. In this cross-sectional study, we examine the association of perceived memory loss to OA and assess the potential mediating influence of sleep and mood disturbance in a large Appalachian population. Design.:  Cross-sectional...
May 19, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28525490/surgeon-procedure-volume-and-complication-rates-in-anterior-cervical-discectomy-and-fusions-analysis-of-a-national-longitudinal-database
#12
Tyler Cole, Anand Veeravagu, Michael Zhang, John K Ratliff
STUDY DESIGN: Retrospective study using the MarketScan longitudinal database (2006-2010). OBJECTIVE: Compare complication rates between groups of patients undergoing anterior cervical discectomy and fusion (ACDF) procedures performed by surgeons with high versus low mean annual ACDF volume. SUMMARY OF BACKGROUND DATA: Over the past decade the volume of ACDFs performed has increased, concurrent with greater appreciation of potential for associated complications...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28524819/chronic-pain-induces-generalized-enhancement-of-aversion
#13
Qiaosheng Zhang, Toby Manders, Ai Phuong Tong, Runtao Yang, Arpan Garg, Erik Martinez, Haocheng Zhou, Jahrane Dale, Abhinav Goyal, Louise Urien, Guang Yang, Zhe Chen, Jing Wang
A hallmark feature of chronic pain is its ability to impact other sensory and affective experiences. It is notably associated with hypersensitivity at the site of tissue injury. It is less clear, however, if chronic pain can also induce a generalized site-nonspecific enhancement in the aversive response to nociceptive inputs. Here, we showed that chronic pain in one limb in rats increased the aversive response to acute pain stimuli in the opposite limb, as assessed by conditioned place aversion. Interestingly, neural activities in the anterior cingulate cortex (ACC) correlated with noxious intensities, and optogenetic modulation of ACC neurons showed bidirectional control of the aversive response to acute pain...
May 19, 2017: ELife
https://www.readbyqxmd.com/read/28524817/functional-dissociation-of-stimulus-intensity-encoding-and-predictive-coding-of-pain-in-the-insula
#14
Stephan Geuter, Sabrina Boll, Falk Eippert, Christian Büchel
The computational principles by which the brain creates a painful experience from nociception are still unknown. Classic theories suggest that cortical regions either reflect stimulus intensity or additive effects of intensity and expectations, respectively. By contrast, predictive coding theories provide a unified framework explaining how perception is shaped by the integration of beliefs about the world with mismatches resulting from the comparison of these believes against sensory input. Using functional magnetic resonance imaging during a probabilistic heat pain paradigm, we investigated which computations underlie pain perception...
May 19, 2017: ELife
https://www.readbyqxmd.com/read/28524700/what-is-important-in-transdisciplinary-pain-neuroscience-education-a-qualitative-study
#15
Amarins J Wijma, Caroline M Speksnijder, Astrid F Crom-Ottens, J M Corine Knulst-Verlaan, Doeke Keizer, Jo Nijs, C Paul van Wilgen
PURPOSE: The main focus of Pain Neuroscience Education is around changing patients' pain perceptions and minimizing further medical care. Even though Pain Neuroscience Education has been studied extensively, the experiences of patients regarding the Pain Neuroscience Education process remain to be explored. Therefore, the aim of this study was to explore the experiences in patients with non-specific chronic pain. MATERIALS AND METHODS: Fifteen patients with non-specific chronic pain from a transdisciplinary treatment centre were in-depth interviewed...
May 19, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28522289/epidemiology-of-pain-and-relation-to-psychiatric-disorders
#16
REVIEW
Ana Miriam Velly, Shrisha Mohit
Chronic pain is a common pain condition. Some psychiatric disorders, such as anxiety and depression, are also common in the general population. Epidemiological studies found that some psychiatric disorders are more commonly found among persons with chronic pain (e.g., headache, back pain) than those without chronic pain. Why those psychiatric disorders co-occur with chronic pain, however, is not well understood. Further, studies demonstrated that some psychiatric disorders, such as depression, increase the risk of chronic pain as well as its persistence...
May 15, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28522283/-standardised-pain-assessment-in-cognitively-impaired-nursing-home-residents-comparing-the-use-of-assessment-tools-in-dementia-care-units-and-in-integrated-care-units
#17
Rebecca Palm, Erika Sirsch, Bernhard Holle, Sabine Bartholomeyczik
BACKGROUND: A large number of nursing home residents with cognitive impairments (CI) suffer from chronic pain, which is also discussed as a reason for challenging behavior. To assess pain in people with severe CI, the use of an observational pain instrument is recommended; for people without or with mild CI the gold standard is a self-rating instrument. It is unknown whether in German nursing homes pain assessment in residents with severe CI is actually conducted using observational instruments and which instruments are used...
May 15, 2017: Zeitschrift Für Evidenz, Fortbildung und Qualität Im Gesundheitswesen
https://www.readbyqxmd.com/read/28522185/orofacial-complex-regional-pain-syndrome-pathophysiologic-mechanisms-and-functional-mri
#18
Yeon-Hee Lee, Kyung Mi Lee, Hyug-Gi Kim, Soo-Kyung Kang, Q-Schick Auh, Jyung-Pyo Hong, Yang-Hyun Chun
Complex regional pain syndrome (CRPS) is one of the most challenging chronic pain conditions and is characterized by burning pain, allodynia, hyperalgesia, autonomic changes, trophic changes, edema, and functional loss involving mainly the extremities. Until recently, very few reports have been published concerning CRPS involving the orofacial area. We report on a 50-year-old female patient who presented with unbearable pain in all of her teeth and hypersensitivity of the facial skin. She also reported intractable pain in both extremities accompanied by temperature changes and orofacial pain that increased when the other pains were aggravated...
March 14, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28521778/cortical-kainate-receptors-and-behavioral-anxiety
#19
REVIEW
Min Zhuo
The study of glutamatergic synapses mainly focuses on the memory-related hippocampus. Recent studies in the cortical areas such as the anterior cingulate cortex (ACC) show that excitatory synapses can undergo long-term plastic changes in adult animals. Long-term potentiation (LTP) of cortical synapses may play important roles in chronic pain and anxiety. In addition to NMDA and AMPA receptors, kainate (KA) receptors have been found to play roles in synaptic transmission, regulation and presynaptic forms of LTP...
May 18, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28521018/stereotactic-radiosurgery-for-the-treatment-of-chronic-intractable-pain-a-systematic-review
#20
Dustin G Roberts, Nader Pouratian
BACKGROUND: Since the advent of neuromodulation, the role and efficacy of stereotactic radiosurgery (SRS) for chronic pain has not been carefully scrutinized. OBJECTIVE: To perform a systematic review to evaluate the clinical efficacy, both short- and long-term, of SRS for the treatment of chronic intractable pain. METHODS: A systematic search in PubMed, Web of Science, and PsycINFO was performed using keywords and controlled vocabulary. The search included peer-reviewed articles reporting clinical outcomes of SRS for chronic pain with a minimum 3-mo follow-up for nonmalignant and 1 mo for malignant pain...
May 17, 2017: Operative Neurosurgery (Hagerstown, Md.)
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