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European Journal of Pain: EJP

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https://www.readbyqxmd.com/read/29160612/central-sensitization-nice-to-know
#1
Michele Curatolo
No abstract text is available yet for this article.
November 21, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29160603/relationship-between-self-reported-cognitive-difficulties-objective-neuropsychological-test-performance-and-psychological-distress-in-chronic-pain
#2
K S Baker, S J Gibson, N Georgiou-Karistianis, M J Giummarra
BACKGROUND: Persons with chronic pain often report problems with cognitive abilities, such as memory or attention. There is limited understanding of whether objective performance is consistent with subjective reports, and how psychological factors contribute. We aimed to investigate these relationships in a group of patients expressing cognitive concerns, and evaluate the utility of self-report tools for pain management settings. METHOD: Participants with chronic pain (n = 41) completed standardized neuropsychological tests, and self-report measures of cognitive functioning, pain, mood and sleep, as part of a broader study investigating cognitive performance in pain...
November 21, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29160600/current-evidence-of-cannabinoid-based-analgesia-obtained-in-preclinical-and-human-experimental-settings
#3
REVIEW
J Lötsch, I Weyer-Menkhoff, I Tegeder
Cannabinoids have a long record of recreational and medical use and become increasingly approved for pain therapy. This development is based on preclinical and human experimental research summarized in this review. Cannabinoid CB1 receptors are widely expressed throughout the nociceptive system. Their activation by endogenous or exogenous cannabinoids modulates the release of neurotransmitters. This is reflected in antinociceptive effects of cannabinoids in preclinical models of inflammatory, cancer and neuropathic pain, and by nociceptive hypersensitivity of cannabinoid receptor-deficient mice...
November 21, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29160597/effects-of-a-psychosocial-intervention-programme-combined-with-exercise-in-community-dwelling-older-adults-with-chronic-pain-a-randomized-controlled-trial
#4
T Hirase, H Kataoka, J Nakano, S Inokuchi, J Sakamoto, M Okita
BACKGROUND: Although researchers have recommended exercise training and psychosocial intervention to manage chronic pain, an effective intervention for Japanese community-dwelling older adults with chronic pain has not been established. This randomized controlled trial examined whether exercise training combined with psychosocial intervention more effectively improves pain, psychological status and physical activity than does exercise training alone in this population. METHODS: We randomized 128 older adults with chronic pain to either an intervention group (n = 64) involving exercise training combined with psychosocial intervention, or a control group (n = 64) involving only exercise training...
November 21, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29139226/cortical-nociceptive-processes-are-reduced-by-visual-alpha-band-entrainment-in-the-human-brain
#5
K Ecsy, C A Brown, A K P Jones
BACKGROUND: Acute noxious stimuli induce a suppression of cortical alpha activity, yet little is known about whether increasing alpha activity affects the processing of noxious stimuli. We have previously shown that visual alpha stimulation reduces experimental pain. Here, we demonstrate that increasing alpha power causes a reciprocal suppression of acute nociceptive processing. METHODS: We attempted to increase cortical alpha activity through visual entrainment at 8 Hz, 10 Hz and 12 Hz to investigate the influence on the electrophysiological pain response...
November 14, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29139193/higher-doses-of-intraoperative-analgesia-are-associated-with-lower-levels-of-persistent-pain-and-less-analgesic-consumption-six-months-after-total-hip-arthroplasty
#6
F von Dincklage, A Jakuscheit, J Weth, G Lichtner, C Jurth, B Rehberg-Klug
BACKGROUND: Persistent postoperative pain is a major health problem affecting nearly 30% of all patients undergoing total hip arthroplasty. Previous studies have demonstrated an association between the intensity of acute postoperative pain and persistent pain, but this association might be an epiphenomenon of insufficient intraoperative analgesia. In this study, we investigated the association between the intraoperative level of analgesia and the persistent postoperative pain 6 months after surgery...
November 14, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29134767/availability-and-approval-of-cannabis-based-medicines-for-chronic-pain-management-and-palliative-supportive-care-in-europe-a-survey-of-the-status-in-the-chapters-of-the-european-pain-federation
#7
N Krcevski-Skvarc, C Wells, W Häuser
BACKGROUND: There is considerable public and political interest in the use of cannabis products for medical purposes. METHODS: The task force of the European Pain Federation (EFIC) conducted a survey with its national chapters representatives on the status of approval of all types of cannabis-based medicines, the covering of costs and the availability of a position paper of a national medical association on the use of medical cannabis for chronic pain and for symptom control in palliative/supportive care...
November 13, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29134730/role-of-central-versus-peripheral-opioid-system-in-antinociceptive-and-anti-inflammatory-effect-of-botulinum-toxin-type-a-in-trigeminal-region
#8
V Drinovac Vlah, B Filipović, L Bach-Rojecky, Z Lacković
BACKGROUND: Although botulinum toxin type A (BT-A) is approved for chronic migraine treatment, its site and mechanism of action are still elusive. Recently our group discovered that suppression of CGRP release from dural nerve endings might account for antimigraine action of pericranially injected BT-A. We demonstrated that central antinociceptive effect of BT-A in sciatic region involves endogenous opioid system as well. Here we investigated possible interaction of BT-A with endogenous opioid system within the trigeminal region...
November 13, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29105941/assessment-and-manifestation-of-central-sensitisation-across-different-chronic-pain-conditions
#9
L Arendt-Nielsen, B Morlion, S Perrot, A Dahan, A Dickenson, H G Kress, C Wells, D Bouhassira, A Mohr Drewes
Different neuroplastic processes can occur along the nociceptive pathways and may be important in the transition from acute to chronic pain and for diagnosis and development of optimal management strategies. The neuroplastic processes may result in gain (sensitisation) or loss (desensitisation) of function in relation to the incoming nociceptive signals. Such processes play important roles in chronic pain, and although the clinical manifestations differ across condition processes, they share some common mechanistic features...
November 5, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29105908/the-research-gap-in-chronic-paediatric-pain-a-systematic-review-of-randomised-controlled-trials
#10
REVIEW
R Boulkedid, A Y Abdou, E Desselas, M Manégat, T G de Leeuw, J Avez-Couturier, S Dugue, C Mareau, B Charron, C Alberti, F Kaguelidou
BACKGROUND AND OBJECTIVE: Chronic pain is associated with significant functional and social impairment. The objective of this review was to assess the characteristics and quality of randomized controlled trials (RCTs) evaluating pain management interventions in children and adolescents with chronic pain. METHODS: We performed a systematic search of PubMed, Embase and the Cochrane Library up to July 2017. We included RCTs that involved children and adolescents (3 months-18 years) and evaluated the use of pharmacological or non-pharmacological intervention(s) in the context of pain persisting or re-occurring for more than 3 months...
November 5, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29105902/commentary-on-karsdorp-et%C3%A2-al
#11
D J Moore, N Attridge
No abstract text is available yet for this article.
November 5, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29105897/chronic-intensive-care-related-pain-exploratory-analysis-on-predictors-and-influence-on-health-related-quality-of-life
#12
P Baumbach, T Götz, A Günther, T Weiss, W Meissner
BACKGROUND: There is growing evidence for the development of chronic pain after intensive care. Nonetheless, there is only limited knowledge about factors leading to chronic intensive care-related pain (CIRP). Thus, the primary objective was the identification of predictors of CIRP. Moreover, we aimed to assess the impact of CIRP on patients' health-related quality of Life (HRQOL). METHODS: Comprehensive information on patients' pain before ICU admission and present pain was collected longitudinally by means of the German Pain Questionnaire 6 and 12 months after ICU discharge (ICUDC )...
November 5, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29082638/the-effect-of-changes-in-pain-expectations-on-persistent-pain-following-a-road-traffic-crash
#13
S L Edmed, K M Moss, J Warren, J Kenardy
BACKGROUND: Recovery expectations can influence outcomes after injury, but little is known about the course of expectations over time or factors predicting changes in expectations. This study aimed to describe how expectations of persistent pain change over time following a non-catastrophic injury sustained in a road traffic crash (RTC); identify the early predictors of change in expectations over time; and examine whether change in expectations predicted pain at 24 months post-RTC. METHODS: One hundred and seventy-seven participants (Mage = 49...
October 30, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29082635/changing-the-size-of-a-mirror-reflected-hand-does-not-affect-pain-perception-a-repeated-measures-study-on-healthy-human-participants
#14
P G Wittkopf, D M Lloyd, M I Johnson
BACKGROUND: Studies suggest that observing magnified and minified body parts using mirrors, lenses and virtual reality may affect pain perception. However, the direction of effect varies between studies. The aim of the present study was to evaluate the effect of observing a normal-sized, magnified and minified reflection of a hand on perceptual embodiment and contact-heat stimuli. METHODS: Participants (n = 46) observed a normal-sized, magnified and minified reflection of the hand and a no-reflection condition while performing synchronized finger movements for 3 min (adaptive phase)...
October 30, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29082574/the-contribution-of-pain-in-determining-the-health-status-of-cancer-patients-with-bone-metastases-a-secondary-analysis-of-data-from-three-phase-iii-registration-trials
#15
T R Mendoza, A C Dueck, Q Shi, H Ma, J Zhang, Y Qian, C S Cleeland
BACKGROUND: We aimed to provide a simple, descriptive health-status profile for cancer patients with bone metastases, based on the EuroQol EQ-5D, a tool commonly used to measure health utility scores, and to evaluate its association with the Brief Pain Inventory (BPI), a legacy pain-assessment tool. Although pain is one of five health-status dimensions measured by the EQ-5D, our understanding of how pain relates to the other EQ-5D dimensions is limited. METHODS: We derived data from 5500 patients with bone metastases who completed the EQ-5D and BPI...
October 30, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29082571/the-role-of-peripheral-vasopressin-1a-and-oxytocin-receptors-on-the-subcutaneous-vasopressin-antinociceptive-effects
#16
A Manzano-García, A González-Hernández, I A Tello-García, G Martínez-Lorenzana, M Condés-Lara
BACKGROUND: Vasopressin (AVP) seems to play a role as an antinociceptive neurohormone, but little is known about the peripheral site of action of its antinociceptive effects. Moreover, AVP can produce motor impairment that could be confused with behavioural antinociception. Finally, it is not clear which receptor is involved in the peripheral antinociceptive AVP effects. METHODS: In anaesthetized rats with end-tidal CO2 monitoring, extracellular unitary recordings were performed, measuring the evoked activity mediated by Aβ-, Aδ-, C-fibres and post-discharge...
October 30, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29081070/paeoniflorin-attenuates-postoperative-pain-by-suppressing-matrix-metalloproteinase-9-2-in-mice
#17
Y-X Fan, L Hu, S-H Zhu, Y Han, W-T Liu, Y-J Yang, Q-P Li
BACKGROUND: Recent studies have implicated that matrix metalloproteinase (MMP)-9 and MMP-2 play key roles in neuropathic pain due to their facilitation of inflammatory cytokine maturation and induction of neuroinflammation. However, the role of MMP-9/2 in postoperative pain is still unclear. We previously suggested that the natural compound paeoniflorin inhibited microglia activation induced by morphine treatment. In the present study, we demonstrated that paeoniflorin could alleviate postoperative pain via specific inhibition of matrix metalloproteinases (MMPs)...
October 29, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29034548/electroacupuncture-alleviates-chemotherapy-induced-pain-through-inhibiting-phosphorylation-of-spinal-camkii-in-rats
#18
Y Zhang, A Li, J Xin, K Ren, B M Berman, L Lao, R-X Zhang
BACKGROUND: Current medical treatments for chemotherapy-induced pain (CIP) are either ineffective or have adverse side effects. Acupuncture may alleviate CIP, but its effectiveness against this condition has not been studied. Paclitaxel causes neuropathic pain in cancer patients. METHODS: We evaluated the effects of electroacupuncture (EA) on paclitaxel-induced CIP in a rat model. Paclitaxel (2 mg/kg) or vehicle was injected (i.p.) on alternate days of 0-6. The resulting pain was treated with 10 Hz/2 mA/0...
October 16, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29034546/bradykinin-system-is-involved-in-endometriosis-related-pain-through-endothelin-1-production
#19
O Yoshino, K Yamada-Nomoto, M Kobayashi, T Andoh, M Hongo, Y Ono, A Hasegawa-Idemitsu, A Sakai, Y Osuga, S Saito
BACKGROUND: Endometriosis is a gynaecological disease exhibiting severe pelvic pain, but the mechanism of pain production remains unknown. Bradykinin (BK) is known as an inflammatory mediator, and shows elevated levels in inflammatory diseases such as rheumatoid arthritis. In the present study, we evaluated whether BK is involved in endometriosis-related pain. METHODS: Endometriotic lesions were used for immunohistochemistry. Primary cultures of endometriotic stromal cells (ESC) were stimulated with IL-1β and/or BK...
October 16, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/29034538/association-of-insomnia-severity-with-well-being-quality-of-life-and-health-care-costs-a-cross-sectional-study-in-older-adults-with-chronic-pain-pains65
#20
E Dragioti, L Bernfort, B Larsson, B Gerdle, L Å Levin
BACKGROUND: Insomnia is one of the most common complaints in chronic pain. This study aimed to evaluate the association of insomnia with well-being, quality of life and health care costs. METHODS: The sample included 2790 older individuals (median age = 76; interquartile range [IQR] = 70-82) with chronic pain. The participants completed a postal survey assessing basic demographic data, pain intensity and frequency, height, weight, comorbidities, general well-being, quality of life and the insomnia severity index (ISI)...
October 16, 2017: European Journal of Pain: EJP
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