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Chronic pain AND neurobiology

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https://www.readbyqxmd.com/read/28725185/reticular-formation-and-pain-the-past-and-the-future
#1
REVIEW
Isabel Martins, Isaura Tavares
The involvement of the reticular formation (RF) in the transmission and modulation of nociceptive information has been extensively studied. The brainstem RF contains several areas which are targeted by spinal cord afferents conveying nociceptive input. The arrival of nociceptive input to the RF may trigger alert reactions which generate a protective/defense reaction to pain. RF neurons located at the medulla oblongata and targeted by ascending nociceptive information are also involved in the control of vital functions that can be affected by pain, namely cardiovascular control...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/28706741/the-link-between-depression-and-chronic-pain-neural-mechanisms-in-the-brain
#2
REVIEW
Jiyao Sheng, Shui Liu, Yicun Wang, Ranji Cui, Xuewen Zhang
Chronic pain, as a stress state, is one of the critical factors for determining depression, and their coexistence tends to further aggravate the severity of both disorders. Unfortunately, their association remains unclear, which creates a bottleneck problem for managing chronic pain-induced depression. In recent years, studies have found considerable overlaps between pain- and depression-induced neuroplasticity changes and neurobiological mechanism changes. Such overlaps are vital to facilitating the occurrence and development of chronic pain and chronic pain-induced depression...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28694679/a-clinical-perspective-on-a-pain-neuroscience-education-approach-to-manual-therapy
#3
Adriaan Louw, Jo Nijs, Emilio J Puentedura
In recent years, there has been an increased interest in pain neuroscience education (PNE) in physical therapy. There is growing evidence for the efficacy of PNE to decrease pain, disability, fear-avoidance, pain catastrophization, limited movement, and health care utilization in people struggling with pain. PNE teaches people in pain more about the biology and physiology of their pain experience including processes such as central sensitization, peripheral sensitization, allodynia, inhibition, facilitation, neuroplasticity and more...
July 2017: Journal of Manual & Manipulative Therapy
https://www.readbyqxmd.com/read/28666966/aapt-diagnostic-criteria-for-central-neuropathic-pain
#4
Eva Widerström-Noga, John D Loeser, Troels Staehelin Jensen, Nanna Brix Finnerup
Central neuropathic pain, which is pain caused by a lesion or disease of the central somatosensory nervous system, is a serious consequence of spinal cord injury, stroke, multiple sclerosis, and other conditions affecting the central nervous system. A collaborative effort between the Analgesic, Anesthetic, and Addiction Clinical Trial Translations, Innovations, Opportunities, and Networks public-private partnership and the American Pain Society, the Analgesic, Anesthetic, and Addiction Clinical Trial Translations, Innovations, Opportunities, and Networks-American Pain Society Pain Taxonomy (AAPT) initiative, invited a working group to develop diagnostic criteria for central neuropathic pain...
June 27, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28664196/postinflammatory-hyperpigmentation-after-human-cold-pain-testing
#5
Melissa J Wolz, Katelyn E Sadler, Caela C Long, Daniel S Brenner, Brian S Kim, Robert W Gereau, Benedict J Kolber
Changes in cold temperature sensitivity are often associated with chronic pain conditions. Progress in understanding the neurobiological mechanism underlying these changes and resulting development of effective therapies has been slowed by the accessibility and affordability of devices used to measure thermal sensitivity in humans. To address this gap, we developed an inexpensive method to measure cold pain thresholds in healthy adult volunteers using dry ice and a thermode. However, early in preliminary testing, a subject presented with epidermal postinflammatory hyperpigmentation that lasted for >200 days...
August 2016: Pain Reports (Baltimore, Md.)
https://www.readbyqxmd.com/read/28616655/-cognitive-perceptive-approaches-in-the-treatment-of-chronic-pain
#6
REVIEW
C Storz, H Schulte-Göcking, M Azqueta, C Wania, M Neugebauer, A Reiners, S Azad, E Kraft
In the treatment of difficult chronic pain conditions, cognitive-perceptive approaches offer an alternative to conventional therapies. Especially phantom limb pain and complex regional pain syndrome (CRPS) are frequently treated with these promising modalities. This article provides an overview of the most important cognitive-perceptive therapies and the research results concerning their clinical efficacy. In addition, we discuss their neurobiological foundation and clinical perspectives.
June 14, 2017: Der Schmerz
https://www.readbyqxmd.com/read/28602044/the-dynamic-interaction-between-pain-and-opioid-misuse
#7
REVIEW
Adrianne R Wilson-Poe, Jose A Morón
In 2014, drug overdose surpassed automobile accidents as the number one cause of accidental death for the first time in the history of the United States. The overdose epidemic is largely driven by opioids, and genuine prescription opioid analgesics play the biggest role in this phenomenon. Despite advancements in abuse deterrent formulations, prescription drug monitoring programmes and clinical assessments for the detection of abuse potential, drug overdoses continue to escalate. The Center for Disease Control has recently issued new guidelines for opioid prescription, yet even these recommendations have their shortcomings...
June 11, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28596533/breaking-barriers-to-novel-analgesic-drug-development
#8
REVIEW
Ajay S Yekkirala, David P Roberson, Bruce P Bean, Clifford J Woolf
Acute and chronic pain complaints, although common, are generally poorly served by existing therapies. This unmet clinical need reflects a failure to develop novel classes of analgesics with superior efficacy, diminished adverse effects and a lower abuse liability than those currently available. Reasons for this include the heterogeneity of clinical pain conditions, the complexity and diversity of underlying pathophysiological mechanisms, and the unreliability of some preclinical pain models. However, recent advances in our understanding of the neurobiology of pain are beginning to offer opportunities for developing novel therapeutic strategies and revisiting existing targets, including modulating ion channels, enzymes and G-protein-coupled receptors...
August 2017: Nature Reviews. Drug Discovery
https://www.readbyqxmd.com/read/28586443/deconstructing-one-medical-school-s-pain-curriculum-ii-partnering-with-medical-students-on-an-evidence-guided-redesign
#9
Ylisabyth S Bradshaw, Neha Patel Wacks, Alejandra Perez-Tamayo, Brenden Myers, Chukwueloka Obionwu, Rebecca A Lee, Daniel B Carr
Objective: To reshape medical education about pain to present it as a population-based public health process as well as a neuron-centered phenomenon. Design: Collaborate with students to apply a recent inventory of pain-related preclinical curricular content and clinical training in order to modify the current multiyear presentation and offer a broadened social perspective on pain. Appraise fourth-year medical students' pain-related educational needs by surveying their knowledge, attitudes, experience with the curriculum, and self-reported assessment of pain-related competencies...
April 1, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28557681/hypnosis-in-cancer-care
#10
Joshua Wortzel, David Spiegel
Cancer affects a growing proportion of the population as survival improves. The illness and its treatment brings a substantial burden of symptoms, including pain, anxiety, insomnia, and grief. Here, the uses of hypnosis in the treatment of these cancer-related problems will be reviewed. The utility of measuring hypnotizability in the clinical setting will be discussed. The current neurobiology of hypnotizability and hypnosis will be reviewed. Methods and results of using hypnosis for pain control in acute and chronic settings will be presented...
July 2017: American Journal of Clinical Hypnosis
https://www.readbyqxmd.com/read/28503039/the-possible-role-of-meditation-in-myofascial-pain-syndrome-a-new-hypothesis
#11
Prashanth Panta
BACKGROUND OF HYPOTHESIS: Myofascial pain syndrome (MPS) is the most common musculoskeletal pain disorder of the head and neck area. In the past, several theories were put forth to explain its origin and nature, but none proved complete. Myofascial pain responds to changing psychological states and stress, anxiety, lack of sleep, anger, depression and chronic pain are direct contributional factors. Myofascial pain syndrome may be considered as a psychosomatic disorder. There are numerous accepted palliative approaches, but of all, relaxation techniques stand out and initiate healing at the base level...
April 2017: Indian Journal of Palliative Care
https://www.readbyqxmd.com/read/28443503/kratom-and-future-treatment-for-the-opioids-addiction-and-chronic-pain-periculo-beneficium
#12
Ismaliza Ismail, Suzaily Wahab, Hatta Sidi, Srijit Das, Loo Jiann Lin, Rosdinom Razali
Kratom (Mitragynaspeciosa), a natural existing plant found in South-East Asia, is tradi-tionally used as an herb to help to elevate a person's energy and also to treat numerous medical ailments. Other than the analgesic property, kratom has been used as an agent to overcome opioid withdrawal as it contains natural alkaloids, i.e. mitragynine, 7-hydroxymitragynine, and MGM-9, which has agonist affinity on the opioid receptors, including mu (μ) and kappa (κ). The role of neural reward pathway linked to μ-opioid receptors and both dopaminergic and GABA-ergic interneurons that express μ-opioid receptors were deliberated...
April 25, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28394827/fibromyalgia-a-missed-comorbidity-in-spondyloarthritis-prevalence-and-impact-on-assessment-and-treatment
#13
Philip J Mease
PURPOSE OF REVIEW: Fibromyalgia is a clinical representation of the neurobiological phenomenon of central sensitization, characterized by chronic widespread pain, fatigue, sleep disturbance, and other symptoms. Fibromyalgia may occur in conjunction with chronic rheumatic diseases, driven by the effects of chronic pain and inflammation and likely influenced by the patient's genetic and psychoemotional background. This article reviews the data on prevalence of concomitant fibromyalgia and its impact on disease assessment in patients with spondyloarthritis (SpA) and psoriatic arthritis (PsA)...
July 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28326945/descending-facilitation
#14
Min Zhuo
It is documented that sensory transmission, including pain, is subject to endogenous inhibitory and facilitatory modulation at the dorsal horn of the spinal cord. Descending facilitation has received a lot of attention, due to its potentially important roles in chronic pain. Recent investigation using neurobiological approaches has further revealed the link between cortical potentiation and descending facilitation. Cortical-spinal top-down facilitation, including those relayed through brainstem neurons, provides powerful control for pain transmission at the level of the spinal cord...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28270756/role-of-the-lateral-habenula-in-pain-associated-depression
#15
Yanhui Li, Yumeng Wang, Chengluan Xuan, Yang Li, Lianhua Piao, Jicheng Li, Hua Zhao
Patients with chronic pain have significantly higher incidences of depression and anxiety than the average person. However, the mechanism underlying this link has not been elucidated in terms of how chronic pain causes significant mood changes and further develops into severe anxiety or depression. The serotonergic system in the raphe nuclei is an important component in both pain processing and the pathogenesis of depression. Since the lateral habenular nucleus (LHb) controls the raphe nuclei, it may participate in the regulation of pain-associated depression...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28228081/the-neurobiology-and-psychiatric-perspective-of-vaginismus-linking-the-pharmacological-and-psycho-social-interventions
#16
Zuri Shahidii Kadir, Hatta Sidi, Jaya Kumar, Srijit Das, Marhani Midin, Najwa Baharuddin
Vaginismus is an involuntary muscle contraction of the outer third of vaginal barrel causing sexual penetration almost impossible. It is generally classified under sexual pain disorder (SPD). In Diagnostic and Statistical Manual, 5th edition, it is classified under the new rubric of Genito-Pelvic Pain/Sexual Penetration Disorder. This fear-avoidance condition poses an ongoing significant challenge to the medical and health professionals due to the very demanding needs in health care despite its unpredictable prognosis...
February 22, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28216087/neural-consequences-of-post-exertion-malaise-in-myalgic-encephalomyelitis-chronic-fatigue-syndrome
#17
Dane B Cook, Alan R Light, Kathleen C Light, Gordon Broderick, Morgan R Shields, Ryan J Dougherty, Jacob D Meyer, Stephanie VanRiper, Aaron J Stegner, Laura D Ellingson, Suzanne D Vernon
Post exertion malaise is one of the most debilitating aspects of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, yet the neurobiological consequences are largely unexplored. The objective of the study was to determine the neural consequences of acute exercise using functional brain imaging. Fifteen female Myalgic Encephalomyelitis/Chronic Fatigue Syndrome patients and 15 healthy female controls completed 30min of submaximal exercise (70% of peak heart rate) on a cycle ergometer. Symptom assessments (e.g...
February 17, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28199203/neurogenetics-of-acute-and-chronic-opiate-opioid-abstinence-treating-symptoms-and-the-cause
#18
Kenneth Blum, Mark S Gold, William Jacobs, William Vaughn McCall, Marcelo Febo, David Baron, Kristina Dushaj, Zsolt Demetrovics, Rajendra D Badgaiyan
This review begins with a comprehensive history of opioid dependence and treatment in the United States. The focus is an evidence-based treatment model for opioid/opiate dependent individuals. The role of reward genetic polymorphisms and the epigenetic modifications that lead to vulnerability to use and misuse of opiates/opioid to treat pain are reviewed. The neurochemical mechanisms of acute opiate withdrawal and opiate/opioid reward mechanisms are explored with a goal of identifying specific treatment targets...
March 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28129218/neurobiological-basis-for-pain-vulnerability-why-me
#19
Franziska Denk, Stephen B McMahon
No abstract text is available yet for this article.
April 2017: Pain
https://www.readbyqxmd.com/read/28114184/pain-has-an-element-of-blank-a-biobehavioral-approach-to-chronicity
#20
Herta Flor
No abstract text is available yet for this article.
April 2017: Pain
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