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Chronic pain and suffering

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https://www.readbyqxmd.com/read/29222304/targeting-novel-mechanisms-of-pain-in-sickle-cell-disease
#1
REVIEW
Huy Tran, Mihir Gupta, Kalpna Gupta
Patients with sickle cell disease (SCD) suffer from intense pain that can start during infancy and increase in severity throughout life, leading to hospitalization and poor quality of life. A unique feature of SCD is vaso-occlusive crises (VOCs) characterized by episodic, recurrent, and unpredictable episodes of acute pain. Microvascular obstruction during a VOC leads to impaired oxygen supply to the periphery and ischemia reperfusion injury, inflammation, oxidative stress, and endothelial dysfunction, all of which may perpetuate a noxious microenvironment leading to pain...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29218704/sacral-neuromodulation-for-pelvic-pain-and-pelvic-organ-dysfunction-a-case-series
#2
Thierry Vancaillie, Lauren Kite, Elizabeth Howard, Jason Chow
BACKGROUND: The use of neuromodulation is growing and it is an established therapy for conditions such as bladder dysfunction. It is an increasingly used therapy for the management of chronic perineal pain but little research is currently available looking at its efficacy. AIM: We present a series of 52 patients who underwent placement of a neuromodulator, the majority of whom suffered from perineal pain, with most placements via the sacral hiatus. METHOD: Patients were asked to complete a survey recalling their symptoms prior to implantation and describing their symptoms and experience after...
December 8, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29209204/reward-circuitry-plasticity-in-pain-perception-and-modulation
#3
REVIEW
Marcos F DosSantos, Brenda de Souza Moura, Alexandre F DaSilva
Although pain is a widely known phenomenon and an important clinical symptom that occurs in numerous diseases, its mechanisms are still barely understood. Owing to the scarce information concerning its pathophysiology, particularly what is involved in the transition from an acute state to a chronic condition, pain treatment is frequently unsatisfactory, therefore contributing to the amplification of the chronic pain burden. In fact, pain is an extremely complex experience that demands the recruitment of an intricate set of central nervous system components...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29200655/lumbar-extension-traction-alleviates-symptoms-and-facilitates-healing-of-disc-herniation-sequestration-in-6-weeks-following-failed-treatment-from-three-previous-chiropractors-a-cbp%C3%A2-case-report-with-an-8%C3%A2-year-follow-up
#4
Paul A Oakley, Deed E Harrison
[Purpose] To present the outcome of a patient, having sciatica and MRI-verified disc herniation/sequestration who underwent Chiropractic BioPhysics® (CBP®) protocol designed to improve the lumbar lordosis. [Subject and Methods] A 56-year-old male suffered from chronic low back pain and recent sciatica due to lumbar disc herniation despite being under continuous care from three previous chiropractors. Radiographic analysis revealed a lumbar hypolordosis and MRI confirmed disc herniation and sequestration at L4-L5...
November 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29195501/comt-genotype-and-non-recovery-after-a-whiplash-injury-in-a-northern-european-population
#5
Eric Rydman, Erika Comasco, H Pettersson, L Oreland, S Ponzer, C Ottosson
BACKGROUND: The COMT (Catechol-O-Methyl Transferase) gene may influence a person's vulnerability to develop long-term pain and some COMT single nucleotide polymorphisms (SNPs) may associate with patterns of acute or chronic pain. Many patients with whiplash-associated disorders (WADs) suffer from long-term pain and other related symptoms, but it is less known if genetic factors play a role in the recovery process. The primary aim of this study was to evaluate whether self-reported non-recovery, including pain, was related to COMT genotype in patients with WAD...
December 1, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29194563/cyclic-analogues-of-%C3%AE-conotoxin-vc1-1-inhibit-colonic-nociceptors-and-provide-analgesia-in-a-mouse-model-of-chronic-abdominal-pain
#6
Joel Castro, Luke Grundy, Annemie Deiteren, Andrea M Harrington, Tracey O'Donnell, Jessica Maddern, Jessi Moore, Sonia Garcia-Caraballo, Grigori Y Rychkov, Rilei Yu, Quentin Kaas, David J Craik, David J Adams, Stuart M Brierley
BACKGROUND AND PURPOSE: Patients with Irritable Bowel Syndrome suffer from chronic visceral pain (CVP); however, limited analgesic therapeutic options are currently available. We have shown that α-conotoxin Vc1.1-induced activation of GABAB receptors on the peripheral endings of colonic afferents reduces nociceptive signalling from the viscera. However, the analgesic efficacy of more stable, cyclized versions of Vc1.1 on CVP remains to be determined. EXPERIMENTAL APPROACH: Using ex vivo colonic afferent preparations, we determined the inhibitory actions of cyclized Vc1...
November 30, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29187376/targeting-novel-mechanisms-of-pain-in-sickle-cell-disease
#7
REVIEW
Huy Tran, Mihir Gupta, Kalpna Gupta
Patients with sickle cell disease (SCD) suffer from intense pain that can start during infancy and increase in severity throughout life, leading to hospitalization and poor quality of life. A unique feature of SCD is vaso-occlusive crises (VOCs) characterized by episodic, recurrent, and unpredictable episodes of acute pain. Microvascular obstruction during a VOC leads to impaired oxygen supply to the periphery and ischemia reperfusion injury, inflammation, oxidative stress, and endothelial dysfunction, all of which may perpetuate a noxious microenvironment leading to pain...
November 30, 2017: Blood
https://www.readbyqxmd.com/read/29184144/sex-differences-in-peripheral-not-central-immune-responses-to-pain-inducing-injury
#8
Douglas M Lopes, Natalia Malek, Michelle Edye, Sara Buskbjerg Jager, Sheridan McMurray, Stephen B McMahon, Franziska Denk
Women suffer chronic pain more frequently than men. It is not clear whether this is due to differences in higher level cognitive processes or basic nociceptive responses. In this study we used a mouse model of neuropathic pain to dissociate these factors. We performed RNA-seq on purified peripheral afferent neurons, but found no striking differences in gene expression between male and female mice, neither before nor after nerve injury. Similarly, spinal cord immune responses between the sexes appeared to be indistinguishable when studied by flow cytometry or qRT-PCR...
November 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29178917/the-influence-of-surface-emg-triggered-multichannel-electrical-stimulation-on-sensomotoric-recovery-in-patients-with-lumbar-disc-herniation-study-protocol-for-a-randomized-controlled-trial-reco
#9
Sara Lener, Christoph Wipplinger, Sebastian Hartmann, Wolfgang N Löscher, Sabrina Neururer, Matthias Wildauer, Claudius Thomé, Anja Tschugg
BACKGROUND: Intervertebral disc degeneration is one of the most common reasons for chronic low back pain and sensomotoric deficits, often treated by lumbar sequestrectomy. Nevertheless, the prognostic factors relevant for time and quality of recovery, of the surgical procedure, relative to conservative treatment, remain controversial and require further investigation. Surface electrical stimulation (SES) may be an influential intervention, already showing positive impact on motor and sensory recovery in different patient groups...
November 25, 2017: Trials
https://www.readbyqxmd.com/read/29178819/mas-related-g-protein-coupled-receptors-and-the-biology-of-itch-sensation
#10
James Meixiong, Xinzhong Dong
Chronic, persistent itch is a devastating symptom that causes much suffering. In recent years, there has been great progress made in understanding the molecules, cells, and circuits underlying itch sensation. Once thought to be carried by pain-sensing neurons, itch is now believed to be capable of being transmitted by dedicated sensory labeled lines. Members of the Mas-related G protein-coupled receptor (Mrgpr) family demarcate an itch-specific labeled line in the peripheral nervous system. In the spinal cord, the expression of other proteins identifies additional populations of itch-dedicated sensory neurons...
November 27, 2017: Annual Review of Genetics
https://www.readbyqxmd.com/read/29177261/performance-and-safety-profile-of-regadenoson-myocardial-perfusion-imaging-first-experience-in-greece
#11
John Koutsikos, George Angelidis, Athanasios Zafeirakis, Ioannis Mamarelis, Merkourios Vogiatzis, Eliverta Ilia, Kyriakos Lazaridis, Nikolaos Demakopoulos
OBJECTIVE: MPI can provide valuable information in the investigation of patients with known or suspected coronary artery disease. The stress component of the studies can be conducted with regadenoson, which was approved for clinical use in Greece in 2016. We investigated the performance and safety profile of regadenoson MPI based on our 7 months institutional experience. PATIENTS AND METHODS: We studied 96 consecutive patients (59 males, 37 females, mean age 70...
November 27, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29177076/effectiveness-and-efficiency-of-different-weight-machine-based-strength-training-programmes-for-patients-with-hip-or-knee-osteoarthritis-a-protocol-for-a-quasi-experimental-controlled-study-in-the-context-of-health-services-research
#12
Inga Krauss, Gerhard Müller, Benjamin Steinhilber, Georg Haupt, Pia Janssen, Peter Martus
Introduction: Osteoarthritis is a chronic musculoskeletal disease with a major impact on the individual and the healthcare system. As there is no cure, therapy aims for symptom release and reduction of disease progression. Physical exercises have been defined as a core treatment for osteoarthritis. However, research questions related to dose response, sustainability of effects, economic efficiency and safety are still open and will be evaluated in this trial, investigating a progressive weight machine-based strength training...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29172390/meniscal-extrusion-progresses-shortly-after-the-medial-meniscus-posterior-root-tear
#13
Takayuki Furumatsu, Yuya Kodama, Yusuke Kamatsuki, Tomohito Hino, Yoshiki Okazaki, Toshifumi Ozaki
Purpose: Medial meniscus posterior root tears (MMPRT) induce medial meniscus extrusion (MME). However, the time-dependent extent of MME in patients suffering from the MMPRT remains unclear. This study evaluated the extent of MME after painful popping events that occurred at the onset of the MMPRT. Materials and Methods: Thirty-five patients who had an episode of posteromedial painful popping were investigated. All the patients were diagnosed as having an MMPRT by magnetic resonance imaging (MRI) within 12 months after painful popping...
December 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/29166400/chronic-post-traumatic-intramedullary-lesions-in-dogs-a-translational-model
#14
Neringa Alisauskaite, Ingo Spitzbarth, Wolfgang Baumgärtner, Peter Dziallas, Sabine Kramer, Ricarda Dening, Veronika Maria Stein, Andrea Tipold
OBJECTIVES: Post-traumatic intramedullary myelopathies and cavitations are well described lesions following spinal cord injury (SCI) in humans and have been described in histopathological evaluations in dogs. Human intramedullary myelopathies/cavitations are associated with severe initial SCI and deterioration of clinical signs. Canine intervertebral disc extrusions share similarities with SCI in humans. In this descriptive study, magnetic resonance imaging (MRI) findings in spinal cords of dogs suffering from chronic post-traumatic myelopathies, including cavitations, are elucidated...
2017: PloS One
https://www.readbyqxmd.com/read/29164565/a-naturally-inspired-curcumin-based-lecithin-formulation-meriva%C3%A2-formulated-as-the-finished-product-algocur%C3%A2-alleviates-the-osteo-muscular-pain-conditions-in-rugby-players
#15
F Di Pierro, P Zacconi, A Bertuccioli, S Togni, R Eggenhoffner, L Giacomelli, S Scaltrini
OBJECTIVE: Curcumin is one of the most investigated phytochemical products because of its low toxicity and its broad spectrum of bioactivity, including anti-inflammatory and analgesic properties. A new delivery form of curcumin, resorting to phosphatidylcholine (Meriva®, formulated as the finished product Algocur®) has been developed to increase its bioavailability. In this study, we tested the efficacy and safety of a Meriva®-based product in rugby players suffering by different osteo-muscular pain conditions PATIENTS AND METHODS: In this pilot study, 50 male rugby players with osteo-muscular pain due to traumatic injuries, physical overload or acute episode of chronic pain were recruited and treated with conventional analgesic drugs (n = 25) or Meriva®-based product (n = 25) for a maximum of 10 days...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29163801/long-non-coding-rna-ccat1-modulates-neuropathic-pain-progression-through-sponging-mir-155
#16
Lidong Dou, Hongqi Lin, Kaiwei Wang, Guosong Zhu, Xuli Zou, Enqiang Chang, Yongfeng Zhu
Neuropathic pain is caused by dysfunction or primary injury of the somatosensory nervous system. Long noncoding RNAs (lncRNAs) play important roles in the development of neuropathic pain. However, the effects of lncRNA colon cancer associated transcript-1 (CCAT1) in neuropathic pain have not been reported. The model of bilateral sciatic nerve chronic constriction injuries (bCCI) is regarded as long-lasting mechanical hypersensitivity and cold allodynia, which is the representative symptom in the human subjects suffering from the neuropathic pain...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29158689/assessment-of-chronic-pain-and-access-to-pain-therapy-a-cross-sectional-population-based-study
#17
Rosaria Del Giorno, Paolo Frumento, Giustino Varrassi, Antonella Paladini, Stefano Coaccioli
Background: Chronic pain (CP) has been shown as an important public health problem, and several studies emphasize the need to strengthen the health care and social systems to reduce its marginalization. This study aimed to: evaluate the epidemiology of CP in the general population in an Italian area; and assess the awareness of a specific law, unanimously approved in Parliament, which provides citizens the right to access pain management (Italian Law 38/2010). Methods: A cross-sectional population-based study carried out during the spring of 2014 at Narni, Umbria, Italy...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29158567/optogenetic-silencing-of-nociceptive-primary-afferents-reduces-evoked-and-ongoing-bladder-pain
#18
Vijay K Samineni, Aaron D Mickle, Jangyeol Yoon, Jose G Grajales-Reyes, Melanie Y Pullen, Kaitlyn E Crawford, Kyung Nim Noh, Graydon B Gereau, Sherri K Vogt, H Henry Lai, John A Rogers, Robert W Gereau
Patients with interstitial cystitis/bladder pain syndrome (IC/BPS) suffer from chronic pain that severely affects quality of life. Although the underlying pathophysiology is not well understood, inhibition of bladder sensory afferents temporarily relieves pain. Here, we explored the possibility that optogenetic inhibition of nociceptive sensory afferents could be used to modulate bladder pain. The light-activated inhibitory proton pump Archaerhodopsin (Arch) was expressed under control of the sensory neuron-specific sodium channel (sns) gene to selectively silence these neurons...
November 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29155342/predictors-before-and-after-multimodal-rehabilitation-for-pain-acceptance-and-engagement-in-activities-at-a-one-year-follow-up-for-patients-with-whiplash-associated-disorders-wad-a-study-based-on-the-swedish-quality-registry-for-pain-rehabilitation-sqrp
#19
Anne Söderlund, Monika Löfgren, Britt-Marie Stålnacke
BACKGROUND: Studies have shown that pain acceptance strategies related to psychological flexibility are important in the presence of chronic musculoskeletal pain. However, the predictors of these strategies have not been studied extensively in patients with Whiplash Associated Disorders (WAD). PURPOSE: The purpose of this study was to predict chronic pain acceptance and engagement in activities at one-year follow-up with pain intensity, fear of movement, perceived responses from significant others, outcome expectancies, and demographic variables in patients with WAD before and after multimodal rehabilitation (MMR)...
November 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29154234/activity-and-quality-of-life-after-total-hip-arthroplasty
#20
Anna Świtoń, Ewa Wodka-Natkaniec, Łukasz Niedźwiedzki, Tadeusz Gaździk, Tadeusz Niedźwiedzki
BACKGROUND: Coxarthrosis is a chronic musculoskeletal condition that causes severe pain and considerable limi-tation of the patient's motor performance. Total hip arthroplasty is one of the most common and effective methods used in the treatment of advanced degenerative changes. The aim of the present study was to evaluate the activity and quality of life of patients after unilateral total hip arthroplasty. MATERIAL AND METHODS: The study was conducted in a group of 189 patients who had undergone unilateral total hip arthroplasty...
October 31, 2017: Ortopedia, Traumatologia, Rehabilitacja
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