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https://www.readbyqxmd.com/read/28549282/fat-grafting-for-chronic-heel-pain-following-surgery-for-adult-flatfoot-deformity-pilot-study
#1
Edoardo Raposio, Filippo Calderazzi
INTRODUCTION: Autologous fat grafting is now a highly popular technique in plastic and reconstructive surgery, with broad applicability for various surgical procedures. Fat grafting can impart contours and augmentation, nourish tissue, modulate scar tissue, and produce regeneration at the recipient site. In this pilot study, the authors suggest that fat grafting may be useful therapeutic adjunct for cases of chronic heel pain following surgery for adult flatfoot deformity. MATERIALS AND METHODS: Eight patients with chronic heel pain following surgery for adult flatfoot deformity underwent autologous subcutaneous heel fat grafting and recorded their levels of pain relief for 6 months postoperatively...
February 24, 2017: Foot
https://www.readbyqxmd.com/read/28548108/drugging-the-pain-epigenome
#2
REVIEW
Ellen Niederberger, Eduard Resch, Michael J Parnham, Gerd Geisslinger
More than 20% of adults worldwide experience different types of chronic pain, which are frequently associated with several comorbidities and a decrease in quality of life. Several approved painkillers are available, but current analgesics are often hampered by insufficient efficacy and/or severe adverse effects. Consequently, novel strategies for safe, highly efficacious treatments are highly desirable, particularly for chronic pain. Epigenetic mechanisms such as DNA methylation, histone modifications and microRNAs (miRNAs) strongly affect the regulation of gene expression, potentially for long periods over years or even generations, and have been associated with pathophysiological pain...
May 26, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28547246/indications-for-opioid-antagonists
#3
REVIEW
O J Michael Coppes, Christine N Sang
PURPOSE OF REVIEW: As opioids have become more common in clinical practice for the treatment of both acute and chronic pain, so too has the need for a deeper understanding of the clinical applications of opioid antagonists. The purpose of this review is to present both the longstanding and potential new indications for the use of drugs that block the effects of opioid receptors. RECENT FINDINGS: There is a growing body of data demonstrating the modulation of pain by opioid antagonists...
June 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28546678/effect-of-selected-yogic-practices-on-pain-and-disability-in-patients-with-lumbar-spondylitis
#4
Rajesh Kumar Manik, Ashok Kumar Mahapatra, Rajendra Gartia, Sumit Bansal, Ashis Patnaik
AIM: The study was designed to find the effect of selected yogic practices on lumbar spondylitis. MATERIALS AND METHODS: This was a prospective, randomized study without a control trial. A total of 172 participants with lumbar spondylitis (age 21-79 years) from the outpatient department (OPD) of neurosurgery, AIIMS, Bhubaneswar, were randomly assigned to receive yoga therapy. The module of selected yogic practices consisted of pawanamuktasana series 1 (loosening and strengthening), asana, pranayama, and relaxation techniques Yoga Nidra...
May 2017: International Journal of Yoga
https://www.readbyqxmd.com/read/28545527/what-intrinsic-factors-influence-responsiveness-to-acupuncture-in-pain-a-review-of-pre-clinical-studies-that-used-responder-analysis
#5
Yu-Kang Kim, Ji-Yeun Park, Seung-Nam Kim, Mijung Yeom, Seungmin Lee, Ju-Young Oh, Hyangsook Lee, Younbyoung Chae, Dae-Hyun Hahm, Hi-Joon Park
BACKGROUND: Not many studies have investigated individual sensitivity to acupuncture. To explore the intrinsic factors related to individual responses to acupuncture, we reviewed published pre-clinical studies using responder analysis on pain. METHODS: We searched the PubMed and EMBASE databases to June 2015. We included pre-clinical reports describing responders and non-responders to anti-nociceptive and analgesic effects of acupuncture in animal study. We identified the potential intrinsic factors which might be related with the response to acupuncture...
May 25, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28544432/are-10-khz-stimulation-and-burst-stimulation-fundamentally-the-same
#6
REVIEW
Dirk De Ridder, Sanjaya Perera, Sven Vanneste
BACKGROUND: Spinal cord stimulation (SCS) is routinely used for intractable pain syndromes. For SCS to be efficacious the painful area needs to be covered by SCS induced paresthesia symptoms. Recently, novel stimulation designs have been developed for spinal cord stimulation (SCS) that are superior to classical spinal cord stimulation and exert their effects without the mandatory paresthesia. Two such stimulation designs are burst stimulation and 10 kHz stimulation. OBJECTIVE: Whereas the mechanism of action of burst SCS has been partly elucidated, in that it modulates the medial pain pathway in contrast to tonic stimulation, the mechanism of action of 10 kHz SCS is still enigmatic...
May 25, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28544029/learned-control-over-spinal-nociception-in-patients-with-chronic-back-pain
#7
S Krafft, H-D Göhmann, J Sommer, A Straube, R Ruscheweyh
BACKGROUND: Descending pain inhibition suppresses spinal nociception, reducing nociceptive input to the brain. It is modulated by cognitive and emotional processes. In subjects with chronic pain, it is impaired, possibly contributing to pain persistence. A previously developed feedback method trains subjects to activate their descending inhibition. Participants are trained to use cognitive-emotional strategies to reduce their spinal nociception, as quantified by the nociceptive flexor reflex (RIII reflex), under visual feedback about their RIII reflex size...
May 24, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28542706/modulatory-features-of-the-novel-spider-toxin-%C3%AE-trtx-df1a-isolated-from-the-venom-of-the-spider-davus-fasciatus
#8
Fernanda C Cardoso, Zoltan Dekan, Jennifer J Smith, Jennifer R Deuis, Irina Vetter, Volker Herzig, Paul F Alewood, Glenn F King, Richard J Lewis
BACKGROUND AND PURPOSE: Naturally occurring dysfunction in NaV channels results in complex disorders such as chronic pain, making these channels an attractive target for new therapies. In the pursuit of novel NaV modulators, we investigated spider venoms for new inhibitors of NaV channels. EXPERIMENTAL APPROACH: We used high-throughput screens to identify a NaV modulator in venom of the spider Davus fasciatus. Further characterization of this venom peptide was undertaken using fluorescent and electrophysiological assays, molecular modeling and a rodent pain model...
May 24, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28541256/modulation-of-brainstem-activity-and-connectivity-by-respiratory-gated-auricular-vagal-afferent-nerve-stimulation-in-migraine-patients
#9
Ronald G Garcia, Richard L Lin, Jeungchan Lee, Jieun Kim, Riccardo Barbieri, Roberta Sclocco, Ajay D Wasan, Robert R Edwards, Bruce R Rosen, Nouchine Hadjikhani, Vitaly Napadow
Migraine pathophysiology includes altered brainstem excitability, and recent neuromodulatory approaches aimed at controlling migraine episodes have targeted key brainstem relay and modulatory nuclei. In this study, we evaluated the impact of respiratory-gated auricular vagal afferent nerve stimulation (RAVANS), a novel neuromodulatory intervention based on an existing transcutaneous vagus nerve stimulation approach, in the modulation of brainstem activity and connectivity in migraine patients. We applied 3T-functional magnetic resonance imaging with improved in-plane spatial resolution (2...
April 25, 2017: Pain
https://www.readbyqxmd.com/read/28539396/spinal-control-of-motor-outputs-by-intrinsic-and-externally-induced-electric-field-potentials
#10
Elzbieta Jankowska
Despite numerous studies on spinal neuronal systems, several issues regarding their role in motor behaviour remain unresolved. One of these issues is how electric fields associated with the activity of spinal neurons influence the operation of spinal neuronal networks and how effects of these field potentials are combined with other means of modulating neuronal activity. Another closely related issue is how external electric field potentials affect spinal neurons and how they can be used for therapeutic purposes such as pain relief or recovery of motor functions by trans-spinal direct current stimulation...
May 24, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28536900/hopes-for-the-future-of-pain-control
#11
REVIEW
Kirsty Bannister, Mateusz Kucharczyk, Anthony H Dickenson
Here we aim to present an accessible review of the pharmacological targets for pain management, and succinctly discuss the newest trends in pain therapy. A key task for current pain pharmacotherapy is the identification of receptors and channels orchestrating nociception. Notwithstanding peripheral alterations in the receptors and channels following pathophysiological events, the modulatory mechanisms in the central nervous system are also fundamental to the regulation of pain perception. Bridging preclinical and clinical studies of peripheral and central components of pain modulation, we present the different types of pain and relate these to pharmacological interventions...
May 23, 2017: Pain and Therapy
https://www.readbyqxmd.com/read/28536367/a-brief-review-of-the-pharmacology-of-amitriptyline-and-clinical-outcomes-in-treating-fibromyalgia
#12
REVIEW
Kim Lawson
Fibromyalgia is a complex chronic condition characterized by pain, physical fatigue, sleep disorder and cognitive impairment. Evidence-based guidelines recommend antidepressants as treatments of fibromyalgia where tricyclics are often considered to have the greatest efficacy, with amitriptyline often being a first-line treatment. Amitriptyline evokes a preferential reduction in pain and fatigue of fibromyalgia, and in the Fibromyalgia Impact Questionnaire (FIQ) score, which is a quality of life assessment. The multimodal profile of the mechanisms of action of amitriptyline include monoamine reuptake inhibition, receptor modulation and ion channel modulation...
May 17, 2017: Biomedicines
https://www.readbyqxmd.com/read/28536358/modulation-of-nmda-receptor-activity-in-fibromyalgia
#13
REVIEW
Geoffrey Littlejohn, Emma Guymer
Activation of the N-methyl-d-aspartate receptor (NMDAR) results in increased sensitivity of spinal cord and brain pathways that process sensory information, particularly those which relate to pain. The NMDAR shows increased activity in fibromyalgia and hence modulation of the NMDAR is a target for therapeutic intervention. A literature review of interventions impacting on the NMDAR shows a number of drugs to be active on the NMDAR mechanism in fibromyalgia patients, with variable clinical effects. Low-dose intravenous ketamine and oral memantine both show clinically useful benefit in fibromyalgia...
April 11, 2017: Biomedicines
https://www.readbyqxmd.com/read/28536294/the-interfaces-between-vitamin-d-sleep-and-pain
#14
Daniela Leite de Oliveira, Camila Hirotsu, Sergio Tufik, Monica Levy Andersen
The role of vitamin D in osteomineral metabolism is well known. Several studies have suggested its action on different biological mechanisms, such as nociceptive sensitivity and sleep-wake cycle modulation. Sleep is an important biological process regulated by different regions of the central nervous system, mainly the hypothalamus, in combination with several neurotransmitters. Pain, which can be classified as nociceptive, neuropathic and psychological, is regulated by both the central and peripheral nervous systems...
May 23, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28536272/social-laughter-triggers-endogenous-opioid-release-in-humans
#15
Sandra Manninen, Lauri Tuominen, Robin Dunbar, Tomi Karjalainen, Jussi Hirvonen, Eveliina Arponen, Riitta Hari, Iiro P Jääskeläinen, Mikko Sams, Lauri Nummenmaa
The size of human social networks significantly exceeds the network that can be maintained by social grooming or touching in other primates. It has been proposed that endogenous opioid release following social laughter would provide a neurochemical pathway supporting long-term relationships in humans (Dunbar, 2012) yet this hypothesis currently lacks direct neurophysiological support. We used positron emission tomography (PET) and μ-opioid-receptor (MOR) specific ligand [11C]carfentanil to quantify laughter-induced endogenous opioid release in 12 healthy males...
May 23, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28535565/ephrinb-ephb-signaling-induces-hyperalgesia-through-erk5-creb-pathway-in-rats
#16
Li-Na Yu, Li-Hong Sun, Min Wang, Lie-Ju Wang, Ying Wu, Jing Yu, Wen-Na Wang, Feng-Jiang Zhang, Xue Li, Min Yan
BACKGROUND: There are numerous studies implicating that EphB receptors and ephrinB ligands play important roles in modulating the transduction of spinal nociceptive information. EphrinB-EphB signaling may contribute to hyperalgesia via various kinds of downstream molecules, the mechanisms of which have not been completely understood. OBJECTIVE: The aim of the present study was to identify whether ephrinB-EphB signaling could contribute to hyperalgesia through ERK5/CREB pathway...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535557/endogenous-pain-facilitation-rather-than-inhibition-differs-between-people-with-chronic-fatigue-syndrome-multiple-sclerosis-and-controls-an-observational-study
#17
Simon M Collin, Jo Nijs, Mira Meeus, Andrea Polli, Barbara Willekens, Kelly Ickmans
BACKGROUND: Commonalities in the core symptoms of fatigue and cognitive dysfunction experienced by chronic fatigue syndrome (CFS, also known as ME) and multiple sclerosis (MS) patients have been described. Many CFS and MS patients also experience chronic pain, which has been attributed to central sensitization in both groups of patients. However, the characteristics of pain in CFS and MS patients have not been compared. OBJECTIVES: To compare experimental pain measurements in patients with CFS or MS and healthy controls...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535553/differences-in-pain-processing-between-patients-with-chronic-low-back-pain-recurrent-low-back-pain-and-fibromyalgia
#18
Dorien Goubert, Lieven Danneels, Thomas Graven-Nielsen, Filip Descheemaeker, Mira Meeus
BACKGROUND: The impairment in musculoskeletal structures in patients with low back pain (LBP) is often disproportionate to their complaint. Therefore, the need arises for exploration of alternative mechanisms contributing to the origin and maintenance of non-specific LBP. The recent focus has been on central nervous system phenomena in LBP and the pathophysiological mechanisms underlying the various symptoms and characteristics of chronic pain. Knowledge concerning changes in pain processing in LBP remains ambiguous, partly due to the diversity in the LBP population...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535551/angiotensin-converting-enzyme-inhibitors-and-angiotensin-receptor-blockers-modulate-the-function-of-myelinated-fibers-after-chemotherapy-a-quantitative-sensory-testing-study
#19
Carlos J Roldan, Juhee Song, Mitchell P Engle, Patrick M Dougherty
BACKGROUND: Angiotensin-converting enzyme inhibitors (ACEI) and angiotensin receptor blockers (ARB) have sufficient scientific support for their use as tissue protectors. Preliminary studies suggest that their angiotensin-II type 2 receptor (AT2R)-blocking properties have a beneficial profile in the treatment of neuropathic pain. OBJECTIVES: The purpose of the current study was to quantify the extent of the somatosensory effects of ACEI and ARB in cancer patients with chemotherapy-induced peripheral neuropathy...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28533610/effects-of-transcutaneous-electrical-nerve-stimulation-on-chemotherapy-induced-peripheral-neuropathy-symptoms-cipn-a-preliminary-case-control-study
#20
Tania Tonezzer, Leonardo Affonso Massabki Caffaro, Katiuscia Rosette Scasni Menon, Fabíola Cristina Brandini da Silva, Christina May Moran de Brito, Almir José Sarri, Raquel Aparecida Casarotto
[Purpose] The aim of this double-blind, randomized and placebo-controlled study is to investigate the effects of Transcutaneous Electrical Nerve Stimulation for reducing the side effects of Chemotherapy-induced Peripheral Neuropathy in cancer patients undergoing chemotherapy with oxaloplatin or paclitaxel. [Subjects and Methods] Twenty-four patients were randomly allocated into two groups: active or placebo stimulation. All patients were assessed for pain, numbness/tingiling, frequency of symptoms, and quality of life...
April 2017: Journal of Physical Therapy Science
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