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Journal of Pain: Official Journal of the American Pain Society

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https://www.readbyqxmd.com/read/30639193/the-acttion-aps-aapm-pain-taxonomy-aaapt-diagnostic-criteria-for-acute-pain-conditions-an-introduction
#1
EDITORIAL
Michael L Kent, Patrick J Tighe, Stephen Bruehl, Dennis C Turk, Robert H Dworkin
No abstract text is available yet for this article.
January 10, 2019: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30639570/enrichment-of-genomic-pathways-based-on-differential-dna-methylation-associated-with-chronic-postsurgical-pain-and-anxiety-in-children-a-prospective-pilot-study
#2
Vidya Chidambaran, Xue Zhang, Kristie Geisler, Bobbie L Stubbeman, Xiaoting Chen, Matthew T Weirauch, Jarek Meller, Hong Ji
We have reported child anxiety sensitivity (CASI) predicts chronic post-surgical pain (CPSP). Here, we evaluated DNA methylation profiles to understand gene-environmental interactions underlying CPSP and CASI, in order to identify shared, enriched, genomic pathways. In 73 prospectively recruited adolescents undergoing spine fusion, preoperative CASI, and pain data over 12 months post-surgery were collected. DNA from peripheral blood of evaluable subjects with (n=16) and without CPSP (n=40) were analyzed using MethylationEPIC arrays...
January 9, 2019: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30639571/facial-features-underlying-the-decoding-of-pain-expressions
#3
Caroline Blais, Daniel Fiset, Hana Furumoto-Deshaies, Miriam Kunz, Dominik Seuss, Stéphanie Cormier
Previous research has revealed that the face is a finely tuned medium for pain communication. Studies assessing the decoding of pain facial expressions have revealed an interesting discrepancy, namely that despite "eyes narrowing" being the most frequent facial expression accompanying pain, individuals mostly rely on "brow lowering", "nose wrinkling/upper lip raising" to evaluate pain. The present study verifies if this discrepancy may reflect an interaction between the features coding pain expressions and the features used by observers and stored in their mental representations...
January 8, 2019: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30638759/reply-to-involuntary-harms-to-the-fight-for-newborns-analgesia-by-bellieni-cv-buonocore-g
#4
LETTER
(no author information available yet)
No abstract text is available yet for this article.
January 8, 2019: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30597203/effectiveness-of-opioids-for-chronic-noncancer-pain-a-two-year-multicenter-prospective-cohort-study-with-propensity-score-matching
#5
Dalila R Veiga, M Monteiro-Soares, Liliane Mendonça, Rute Sampaio, José M Castro-Lopes, Luís F Azevedo
Opioid use in CNCP is still controversial regarding their effectiveness and safety. We conducted a 2-year prospective cohort study in 4 multidisciplinary chronic pain clinics (MCPCs) to assess long-term opioid effectiveness in CNCP patients. All adult CNCP patients consecutively admitted to their first consultation were recruited. Demographic and clinical data were collected, and propensity score matching was used to adjust for differences between opioid users and nonusers. The Brief Pain Inventory (BPI) and the Short version of Treatment Outcomes in Pain Survey (S-TOPS) were used to measure pain outcomes and quality of life...
December 28, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30586622/do-pain-measurement-instruments-detect-the-effect-of-pain-reducing-interventions-in-neonates-a-systematic-review-on-responsiveness
#6
REVIEW
Naomi Meesters, Tinne Dilles, Sinno Simons, Monique van Dijk
The effectiveness of pain-reducing interventions in newborns can only be determined if pain measurement instruments are responsive; i.e. able to detect a decrease in pain intensity after the pain-reducing intervention. This review assesses the methodological quality of studies on this measurement property - the responsiveness. We searched the literature published until January 2018 for validation studies of pain measurement instruments focusing on responsiveness to pain-reducing treatment in neonates. Methodological quality of the included studies was rated using the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) checklist...
December 23, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30583083/social-influences-on-peer-judgements-about-chronic-pain-and-disability
#7
Tracy M Anastas, Samantha M Meints, Ari D Gleckman, Adam T Hirsh
Chronic pain is a leading cause of work absenteeism and disability compensation. Previous work demonstrates that patients with chronic illness often seek advice, such as whether or not to pursue disability benefits, from peers with similar health conditions. The current study examined the extent that social factors influence patients with chronic pain ("peers") when making disability judgements and recommendations for other patients with chronic pain. Participants (n=71) made pain-related and disability ratings for fictional vignette patients that varied in weight (normal vs...
December 21, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30578848/aaapt-diagnostic-criteria-for-acute-sickle-cell-disease-pain
#8
Joshua J Field, Samir K Ballas, Claudia M Campbell, Lori E Crosby, Carlton Dampier, Deepika S Darbari, Donna K McClish, Wally R Smith, William T Zempsky
Acute pain episodes are the most common complication in patients with sickle cell disease (SCD). Classically attributed to vaso-occlusion, recent insights suggest that chronic pain may also contribute to the pathogenesis of acute pain episodes, which adds complexity to their diagnosis and management. A taxonomy, or classification system, for acute pain in patients with SCD would aid research efforts and enhance clinical care. To meet this need, the Analgesic, Anesthetic, and Addiction Clinical Trial Translations, Innovations, Opportunities, and Networks (ACTTION) public-private partnership with the U...
December 19, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30562584/decreasing-pain-ratings-in-chronic-arm-pain-through-changing-a-virtual-body-different-strategies-for-different-pain-types
#9
Marta Matamala-Gomez, Ana M Diaz Gonzalez, Mel Slater, Maria V Sanchez-Vives
Modifying the visual aspect of a virtual arm that is felt as one's own using immersive virtual reality (VR) modifies pain threshold in healthy subjects but does it modify pain ratings in chronic pain patients? Our aim was to investigate whether varying properties of a virtual arm co-located with the real arm modulated pain ratings in patients with chronic arm/hand pain due to complex regional pain syndrome (CRPS) type I (without nerve injury) or peripheral nerve injury (PNI). CRPS (n=9) and PNI (n=10) patients were immersed in VR and the virtual arm was shown at four transparency levels (transparency test) and three sizes (size test)...
December 15, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30543951/racial-ethnic-differences-in-osteoarthritis-pain-and-disability-a-meta-analysis
#10
REVIEW
Ivana A Vaughn, Ellen L Terry, Emily J Bartley, Nancy Schaefer, Roger B Fillingim
Osteoarthritis (OA), a leading cause of disability and pain, affects 32.5 million Americans, producing tremendous economic burden. While some findings suggest that racial/ethnic minorities experience increased OA pain severity, other studies have shown conflicting results. This meta-analysis examined differences in clinical pain severity between African Americans and Non-Hispanic Whites with osteoarthritis. Articles were initially identified October 1-5, 2016, and updated May 30, 2018 using PubMed®, Web of ScienceTM , PsycINFO, and the Cochrane Library...
December 10, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30529697/the-pain-dynamics-of-small-fiber-neuropathy
#11
Brigitte A Brouwer, Sander M J van Kuijk, Anne Bouwhuis, Catharina G Faber, Maarten van Kleef, Ingemar S J Merkies, Janneke G J Hoeijmakers
Pain is a central feature in small fiber neuropathy (SFN), with only moderate effects of pharmacological treatment. The evaluation of the efficacy of therapies on pain has been driven by static measures, while a circadian cycle has been suggested. The aim of this study is to evaluate the pain dynamics in SFN. A total of n=165 patients completed a standardized pain diary 4x/week over a four-week period. Patients used the 11-point numeric rating scale (PI-NRS) for average diurnal, nocturnal, and maximum pain, taking into account the circumstances in which pain emerged most...
December 7, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30529696/differential-predictors-of-pain-severity-over-12-months-following-non-catastrophic-injury-sustained-in-a-road-traffic-crash
#12
Bamini Gopinath, Jagnoor Jagnoor, Annette Kifley, Michael Nicholas, Fiona Blyth, Justin Kenardy, Ashley Craig, Ian D Cameron
There is paucity of prospective studies that have examined rates and prognostic indicators of pain severity following a road-traffic crash injury. This cohort study involved 1854 participants aged ≥17 years with a non-catastrophic injury. Primary analyses of pain severity involved 1604 individuals who reported any pain since the injury at baseline, of these, 1188 and 972 participants were re-examined at 6- and 12-month follow-up, respectively. Mean pain severity (primary study outcome) was assessed using a numeric rating scale (NRS), and a range of possible pain predictors were assessed...
December 7, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30529695/tropomyosin-receptor-kinase-b-receptor-activation-in-the-locus-coeruleus-restores-impairment-of-endogenous-analgesia-at-a-late-stage-following-nerve-injury-in-rats
#13
Takashi Suto, Daiki Kato, Hideaki Obata, Shigeru Saito
A rat model of neuropathic pain at 6 weeks after spinal nerve ligation (SNL6w) exhibits both mechanical hypersensitivity and impaired noxious stimuli-induced analgesia (NSIA). Repeated treatment with antidepressants can produce anti-hypersensitivity and restore NSIA. To examine the involvement of a brain-derived neurotrophic factor-mediated mechanism, a tropomyosin receptor kinase B (TrkB) agonist, 7,8-dihydroxyflavone (DHF), was administered to SNL6w rats (5 mg• kg-1 • day-1 , 5 days). Mechanical hypersensitivity was evaluated using the von Frey filament test and paw pressure test...
December 7, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30529442/comparative-responsiveness-of-the-promis-pain-interference-short-forms-with-legacy-pain-measures-results-from-three-randomized-clinical-trials
#14
Chen X Chen, Kurt Kroenke, Timothy Stump, Jacob Kean, Erin E Krebs, Matthew J Bair, Teresa Damush, Patrick O Monahan
The PROMIS Pain Interference (PROMIS-PI) scales are reliable and publicly accessible; however, little is known about how responsive they are to detect change in clinical trials and how their responsiveness compares to legacy measures. The study purpose was to evaluate responsiveness for the PROMIS-PI scales and to compare their responsiveness with legacy pain measures. We used data from three clinical trials totaling 759 participants. The clinical trials included patients with chronic low back pain (n= 261), chronic back or osteoarthritis pain (n = 240), and a history of stroke (n= 258)...
December 5, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30527971/aapt-diagnostic-criteria-for-peripheral-neuropathic-pain-focal-and-segmental-disorders
#15
Roy Freeman, Robert Edwards, Ralf Baron, Stephen Bruehl, Giorgio Cruccu, Robert H Dworkin, Simon Haroutounian
Peripheral neuropathic pain is among the most prevalent types of neuropathic pain. No comprehensive peripheral neuropathic pain classification system that incorporates contemporary clinical, diagnostic, biological, and psychological information exists. To address this need, this article covers the taxonomy for 4 focal or segmental peripheral neuropathic pain disorders, as part of the Analgesic, Anesthetic, and Addiction Clinical Trial Translations, Innovations, Opportunities, and Networks (ACTTION) public-private partnership and the American Pain Society (APS) collaborative to develop a standardized, evidence-based taxonomy initiative: the ACTTION-APS Pain Taxonomy (AAPT)...
December 4, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30513347/enlarged-areas-of-pain-and-pressure-hypersensitivity-by-spatially-distributed-intramuscular-injections-of-low-dose-nerve-growth-factor
#16
L B Sørensen, S A Boudreau, P Gazerani, T Graven-Nielsen
Intramuscular injection of nerve growth factor (NGF) causes muscle hyperalgesia without immediate pain. This double-blinded, randomized study assessed pain and muscle hypersensitivity after a single-site bolus NGF injection (5µg) compared with five spatially distributed, low-dose NGF injections (1µg, 4cm distance) into the tibialis anterior (TA) muscles in 20 healthy subjects. Injection-pain was rated on a visual analogue scale (VAS). Reports of muscle pain with functional tasks (Likert scale score) and presence of spontaneous pain were collected daily using a diary...
December 1, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30503860/pan-canadian-estimates-of-chronic-pain-prevalence-from-2000-to-2014-a-repeated-cross-sectional-survey-analysis
#17
Matthew S Shupler, John K Kramer, Jacquelyn J Cragg, Catherine R Jutzeler, David G T Whitehurst
Recent temporal trends in the population prevalence of chronic pain in Canada on a national and provincial level are unknown. Five cycles of the Canadian Community Health Survey (CCHS) (2000/01, 2007/08, 2009/10, 2011/12 and 2013/14) were used to derive population-based estimates of self-reported prevalence of chronic pain. Sensitivity analyses examined chronic pain prevalence among those reporting no other chronic health conditions. The prevalence of chronic pain among the general Canadian population increased by almost 4...
November 29, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30503859/trait-perceived-injustice-is-associated-with-pain-intensity-and-pain-behaviour-in-participants-undergoing-an-experimental-pain-induction-procedure
#18
Esther Yakobov, Carlos Suso-Ribera, Tudor Vrinceanu, Heather Adams, Michael Sullivan
Recent research has revealed robust cross-sectional and prospective associations between perceived injustice, pain, disability, and depressive symptoms in patients with chronic pain. To date, research has proceeded from the assumption that perceived injustice arises as a consequence of debilitating injury or illness. However, it is possible that perceived injustice might have trait-like characteristics, persisting even in the absence of an injustice-related eliciting event. The aim of the present study was to develop and test a measure of trait perceived injustice (Trait Injustice Experiences Questionnaire; T-IEQ)...
November 29, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30500366/alleviation-of-mechanical-allodynia-by-14-15-eet-in-a-central-post-stroke-pain-model-possible-role-of-allopregnanolone-and-%C3%AE-gaba-a-r
#19
Xuhui Chen, Zuofan Li, Bo Zhang, Rong Hu, Jiayan Li, Miaomiao Feng, Wenlong Yao, Chuanhan Zhang, Li Wan, Yue Zhang
Central post-stroke pain (CPSP) is a neuropathic pain syndrome arising after lesion of the central nervous system (CNS) due to cerebrovascular insult. Impaired daily activities and reduced quality of life in people suffering from CPSP justify the need for improved treatment. The detailed mechanism of CPSP is not well understood but central disinhibition has been suggested. Recent reports indicated that epoxyeicosatrienoic acids (EETs), the cytochrome P450 metabolites of arachidonic acid, promoted neuronal survival after stroke, displayed antinociception in peripheral inflammatory pain and reduced neuronal excitability in seizure model...
November 27, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/30496832/trait-mindfulness-is-associated-with-lower-pain-reactivity-and-connectivity-of-the-default-mode-network
#20
Richard Harrison, Fadel Zeidan, Georgios Kitsaras, Dila Ozcelik, Tim V Salomons
Mindfulness-based training reduces pain in clinical and experimental settings. Evidence suggests these beneficial effects are facilitated via increased focus on the present moment, and reduced emotional enhancement of pain. The majority of the existing literature has focused on mindfulness as a learned skill, and on the neural mechanisms that underlie the acquisition of this skill. It is unknown whether similar mechanisms are associated with trait mindfulness in the absence of training and whether these mechanisms confer the ability to cope with pain...
November 26, 2018: Journal of Pain: Official Journal of the American Pain Society
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