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Chronic pain

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https://www.readbyqxmd.com/read/29222936/role-of-central-oxytocin-and-dopamine-systems-in-nociception-and-their-possible-interactions-suggested-hypotheses
#1
Mohammed Gamal-Eltrabily, Alfredo Manzano-García
Central oxytocin and dopamine have an important role in the process of nociception at the spinal level as well as supraspinal structures, e.g. anterior cingulate cortex, insular cortex, amygdala, nucleus accumbens, and hypothalamus. Many studies have pointed out the importance of both systems in the pain descending modulatory system and in pain-related symptoms in some chronic disorders, e.g. Parkinson disease and fibromyalgia. The interaction between oxytocin and dopamine systems has been addressed in some motivational behaviors, e...
December 9, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/29222926/depressive-personality-vulnerability-in-chronic-physical-pain-centrality-of-sociotropy
#2
Golan Shahar, Sheera F Lerman, Maayan Topaz, Silviu Brill, Hadar Shalev, Zvia Rudich
BACKGROUND: Chronic physical pain is one of modern medicine's principal challenges. Recently, there has been a keen research interest in the role of Depressive Personality Vulnerability (DPV) in the course of chronic pain. OBJECTIVE: This is the first attempt to examine the role of three leading DPV dimensions - sociotropy, autonomy, and self-criticism - in chronic pain. METHOD: Chronic pain patients (N = 428) were assessed four times as to their pain, disability, anxious-depression, and pain-based catastrophizing...
December 9, 2017: Journal of Personality
https://www.readbyqxmd.com/read/29222851/convergent-validity-of-the-dutch-central-sensitization-inventory-associations-with-psychophysical-pain-measures-quality-of-life-disability-and-pain-cognitions-in-patients-with-chronic-spinal-pain
#3
Jeroen Kregel, Charline Schumacher, Mieke Dolphens, Anneleen Malfliet, Dorien Goubert, Dorine Lenoir, Barbara Cagnie, Mira Meeus, I Coppieters
OBJECTIVE: Symptoms of Central Sensitization (CS) have been described in patients with chronic spinal pain (CSP). Although a gold standard to diagnose CS is lacking, psychophysical pain measures are often used. The Central Sensitization Inventory (CSI) is proposed as an alternative method and indirect tool for evaluation of CS symptomatology. The aim of the current study was to evaluate the convergent validity of the CSI by investigating the association with psychophysical pain measures and self-reported measures of current pain intensity, quality of life, disability, and catastrophizing in CSP patients...
December 8, 2017: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/29222812/spheroid-type-of-al-amyloid-deposition-associated-with-colonic-adenocarcinoma-a-case-report-with-literature-review
#4
Moon Joo Kim, Zulfia McCroskey, Yingchao Piao, Anna Belcheva, Luan Truong, Paul J Kurtin, Jae Y Ro
We report a colonic adenocarcinoma associated with diffuse submucosal deposition of a peculiar spheroid-type amyloid identified in the colon, terminal ileum, and appendix. A 65-year-old woman with past medical histories of hypertension, and chronic obstructive pulmonary disease, presented to the emergency room with cramping abdominal pain and nausea. A computed tomography (CT) scan of abdomen showed right colonic volvulus. Emergency right hemicolectomy was performed. The specimen showed colonic adenocarcinoma with focal submucosal invasion (pT1) arising from a villotubular adenoma...
December 8, 2017: Pathology International
https://www.readbyqxmd.com/read/29222781/cell-enumeration-assays-application-of-the-mtt-and-sulforhodamine-b-assays-to-lipopolysaccharide-stimulated-neonatal-rodent-microglia
#5
Laura Facci, Stephen D Skaper
Glial cell activation, in particular microglia, plays an important role in the pathogenesis of various neurodegenerative disorders as well as in chronic and neuropathic pain. This chapter compares two established cell enumeration assays, namely, the colorimetric 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-tetrazolium bromide assay and the protein-binding sulforhodamine B assay for microglia as a function of culture condition and activation state. The pros and cons of each are then described.
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29222778/astrocyte-microglia-cocultures-as-a-model-to-study-neuroinflammation
#6
Laura Facci, Massimo Barbierato, Stephen D Skaper
Glial cell activation plays an important role in the pathogenesis of various neurodegenerative disorders as well as in chronic and neuropathic pain. This chapter describes a model which allows one to assess the individual and combined contributions of astrocytes and microglia in response to a pro-inflammatory stimulus, with emphasis on ionotropic purinergic receptors.
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29222643/overexpression-of-sirt2-alleviates-neuropathic-pain-and-neuroinflammation-through-deacetylation-of-transcription-factor-nuclear-factor-kappa-b
#7
Yong Zhang, Dachao Chi
Sirtuin 2 (SIRT2), a member of the mammalian sirtuin family, plays an important role in the pathogenesis of various neurological diseases. However, whether SIRT2 is involved in the regulation of neuropathic pain remains unclear. In this study, we aimed to investigate the potential role of SIRT2 in regulating neuropathic pain in a rat model induced by chronic constriction injury (CCI). We found that SIRT2 was downregulated in the dorsal root ganglion (DRG) in CCI rats. Intrathecal injection of a recombinant adenovirus expressing SIRT2 markedly alleviated mechanical allodynia and thermal hyperalgesia in CCI rats...
December 8, 2017: Inflammation
https://www.readbyqxmd.com/read/29222304/targeting-novel-mechanisms-of-pain-in-sickle-cell-disease
#8
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/29222302/pain-measurement-tools-in-sickle-cell-disease-where-are-we-now
#9
REVIEW
Deepika S Darbari, Amanda M Brandow
Pain is a complex multidimensional experience and the most common morbidity in patients with sickle cell disease (SCD). Tools to assess pain can be of use not only to guide pain treatment but also to provide insight into underlying pain neurobiology. Mechanisms of pain in SCD are multifactorial and are not completely elucidated. Although vaso-occlusion of microcirculation by sickled red cells is believed to be the underlying mechanism of acute vaso-occlusive pain, mechanisms for chronic pain and the transition from acute to chronic pain are under investigation...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222301/optimizing-the-care-model-for-an-uncomplicated-acute-pain-episode-in-sickle-cell-disease
#10
REVIEW
Paul Telfer, Banu Kaya
The pathophysiology, clinical presentation, and natural history of acute pain in sickle cell disease are unique and require a disease-centered approach that also applies general principles of acute and chronic pain management. The majority of acute pain episodes are managed at home without the need to access health care. The long-term consequences of poorly treated acute pain include chronic pain, adverse effects of chronic opioid usage, psychological maladjustment, poor quality of life, and excessive health care utilization...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222291/evolving-treatment-paradigms-in-sickle-cell-disease
#11
REVIEW
Ramasamy Jagadeeswaran, Angela Rivers
Sickle cell disease (SCD) is an inheritable hemoglobinopathy characterized by polymerization of hemoglobin S in red blood cells resulting in chronic hemolytic anemia, vaso-occlusive painful crisis, and multiorgan damage. In SCD, an increased reactive oxygen species (ROS) generation occurs both inside the red blood cells and inside the vascular lumen, which augment hemolysis and cellular adhesion. This review discusses the evolving body of literature on the role of ROS in the pathophysiology of SCD as well as some emerging therapeutic approaches to SCD with a focus on the reduction of ROS...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222285/five-lessons-learned-about-long-term-pain-management-in-adults-with-sickle-cell-disease
#12
REVIEW
Joshua J Field
Chronic pain affects one-half of adults with sickle cell disease (SCD). Despite the prevalence of chronic pain, few studies have been performed to determine the best practices for this patient population. Although the pathophysiology of chronic pain in SCD may be different from other chronic pain syndromes, many of the guidelines outlined in the pain literature and elsewhere are applicable; some were consensus-adopted in the 2014 National Heart, Lung, and Blood Institute SCD Guidelines. Recommended practices, such as controlled substance agreements and monitoring of urine, may seem unnecessary or counterproductive to hematologists...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222221/acute-pancreatitis-following-oesophagogastroduodenoscopy
#13
Nnamdi Arinze Nwafo
Acute pancreatitis is a well-recognised complication of endoscopic procedures like endoscopic retrograde cholangiopancreatography but not oesophagogastroduodenoscopy (OGD). I report a case of a 33-year-old woman, admitted with severe epigastric pain and vomiting 2 hours after an elective OGD for evaluation of chronic gastrointestinal symptoms. Pancreatitis was diagnosed on the basis of elevated lipase (40 790 U/L; normal 11-82) and findings on imaging studies. Other common causes of acute pancreatitis such as gallstones, alcohol and medications were ruled out...
December 7, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29222031/evaluation-of-the-effect-of-mesotherapy-in-the-management-of-back-pain-in-police-working-dog
#14
João Ca Alves, Ana Mmp Dos Santos, Ângelo Dp Fernandes
OBJECTIVE: To evaluate the feasibility and effectiveness of mesotherapy in dogs compared with a positive control group. STUDY DESIGN: Experimental, randomized, blinded study. ANIMALS: Fifteen working police dogs with chronic back pain. METHODS: Animals were divided randomly into control (CG; n = 5) and treatment groups (TG; n = 10). A combination of 140 mg lidocaine, 15 mg dexamethasone and 20 mg thiocolchicoside was administered to group TG along with a 70-day course of a placebo, administered as if it was carprofen...
August 19, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29221645/primary-care-led-weight-management-for-remission-of-type-2-diabetes-direct-an-open-label-cluster-randomised-trial
#15
Michael Ej Lean, Wilma S Leslie, Alison C Barnes, Naomi Brosnahan, George Thom, Louise McCombie, Carl Peters, Sviatlana Zhyzhneuskaya, Ahmad Al-Mrabeh, Kieren G Hollingsworth, Angela M Rodrigues, Lucia Rehackova, Ashley J Adamson, Falko F Sniehotta, John C Mathers, Hazel M Ross, Yvonne McIlvenna, Renae Stefanetti, Michael Trenell, Paul Welsh, Sharon Kean, Ian Ford, Alex McConnachie, Naveed Sattar, Roy Taylor
BACKGROUND: Type 2 diabetes is a chronic disorder that requires lifelong treatment. We aimed to assess whether intensive weight management within routine primary care would achieve remission of type 2 diabetes. METHODS: We did this open-label, cluster-randomised trial (DiRECT) at 49 primary care practices in Scotland and the Tyneside region of England. Practices were randomly assigned (1:1), via a computer-generated list, to provide either a weight management programme (intervention) or best-practice care by guidelines (control), with stratification for study site (Tyneside or Scotland) and practice list size (>5700 or ≤5700)...
December 4, 2017: Lancet
https://www.readbyqxmd.com/read/29221631/a-population-based-evaluation-of-the-natural-history-of-chronic-pancreatitis
#16
Jorge D Machicado, Suresh T Chari, Lawrence Timmons, Gong Tang, Dhiraj Yadav
BACKGROUND: Based on reports from tertiary care centers, chronic pancreatitis (CP) is considered to be a painful and debilitating disease frequently requiring invasive interventions. Our primary aim was to assess the natural course of CP in a population-based cohort using endoscopic and surgical interventions as surrogates for disease aggressiveness. METHODS: We identified all patients (n = 89, alcoholic [ACP = 46], non-alcoholic [NACP] = 43) with newly diagnosed definite CP from Olmsted County, Minnesota between 1977 and 2006...
November 24, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29220782/mindfulness-based-interventions-for-chronic-pain-evidence-and-applications
#17
REVIEW
Muhammad Hassan Majeed, Ali Ahsan Ali, Donna M Sudak
Chronic pain is estimated to occur in from 5.5% to 33% of the world's adult population (Gureje et al., 1998). Chronic pain is frequently treated with opiates, which has produced an opiate addiction crisis (Dowell et al., 2016). Several non-pharmacological treatment alternatives can help manage chronic pain. There is moderate evidence that mindfulness-based interventions (MBIs) such as meditation, yoga, and stress reduction lower the perception of pain, increase mobility, improve functioning and well-being. By integrating MBIs and other therapeutic interventions in a multi-disciplinary pain management plan, clinicians can improve treatment outcomes and potentially decrease pain-related medication utilization...
December 5, 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29220541/yoga-for-stroke-rehabilitation
#18
REVIEW
Maggie Lawrence, Francisco T Celestino Junior, Hemilianna Hs Matozinho, Lindsay Govan, Jo Booth, Jane Beecher
BACKGROUND: Stroke is a major health issue and cause of long-term disability and has a major emotional and socioeconomic impact. There is a need to explore options for long-term sustainable interventions that support stroke survivors to engage in meaningful activities to address life challenges after stroke. Rehabilitation focuses on recovery of function and cognition to the maximum level achievable, and may include a wide range of complementary strategies including yoga.Yoga is a mind-body practice that originated in India, and which has become increasingly widespread in the Western world...
December 8, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29220525/impact-of-opioid-dose-reduction-and-risk-mitigation-initiatives-on-chronic-opioid-therapy-patients-at-higher-risk-for-opioid-related-adverse-outcomes
#19
Manu Thakral, Rod L Walker, Kathleen Saunders, Susan M Shortreed, Sascha Dublin, Michael Parchman, Ryan N Hansen, Evette Ludman, Karen J Sherman, Michael Von Korff
Objective: We aimed to determine if opioid risk reduction initiatives including dose reduction and risk mitigation strategies for chronic noncancer pain patients receiving chronic opioid therapy (COT) had a differential impact on average daily opioid doses of COT patients at higher risk for opioid-related adverse outcomes compared with lower-risk patients. Design: Interrupted time series. Setting: Group Health Cooperative (GH), a health care delivery system and insurance within Washington State, between 2006 and 2014...
December 6, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/29220303/locally-aggressive-connective-tissue-tumors
#20
Mrinal M Gounder, David M Thomas, William D Tap
In this review, we highlight the complexities of the natural history, biology, and clinical management of three intermediate connective tissue tumors: desmoid tumor (DT) or aggressive fibromatosis, tenosynovial giant cell tumor (TGCT) or diffuse-type pigmented villonodular synovitis (dtPVNS), and giant cell tumor of bone (GCTB). Intermediate histologies include tumors of both soft tissue and bone origin and are locally aggressive and rarely metastatic. Some common aspects to these tumors are that they can be locally infiltrative and/or impinge on critical organs, which leads to disfigurement, pain, loss of function and mobility, neurovascular compromise, and occasionally life-threatening consequences, such as mesenteric, bowel, ureteral, and/or bladder obstruction...
December 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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