دسترسی یکساله به بیش از ۵۰۰ ژورنال روز جهان موجود در سامانه
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Pain Catastrophizing, Opioid Misuse, Opioid Use, and Opioid Dose in People With Chronic Musculoskeletal Pain: A Systematic Review
Javier Martinez-Calderon, Mar Flores-Cortes, Jose Miguel Morales-Asencio, Alejandro Luque-Suarez
doi : 10.1016/j.jpain.2021.02.002
Volume 22, Issue 8, August 2021, Pages 879-891
The objective of this study was to analyze the cross-sectional and longitudinal association between pain catastrophizing and opioid misuse, opioid use, and opioid dose in people with chronic musculoskeletal pain. For this systematic review, CINAHL, Embase, PsycINFO, PubMed, manual searches, and grey literature were searched from inception to May 2020. Observational studies were included if they evaluated the association between pain catastrophizing and opioid dose, opioid use, and/or opioid misuse in people with chronic musculoskeletal pain.
AAAPT Diagnostic Criteria for Acute Thoracic Surgery Pain
Emine Ozgur Bayman, Michele Curatolo, Siamak Rahman, Timothy J. Brennan
doi : 10.1016/j.jpain.2021.03.148
Volume 22, Issue 8, August 2021, Pages 892-904
Patients undergoing thoracic surgery experience particular challenges for acute pain management. Availability of standardized diagnostic criteria for identification of acute pain after thoracotomy and video assisted thoracic surgery (VATS) would provide a foundation for evidence-based management and facilitate future research. The Analgesic, Anesthetic, and Addiction Clinical Trial Translations, Innovations, Opportunities, and Networks (ACTTION) public-private partnership with the United States Food and Drug Administration, the American Pain Society (APS), and the American Academy of Pain Medicine (AAPM) formed the ACTTION-APS-AAPM Pain Taxonomy (AAAPT) initiative to address absence of acute pain diagnostic criteria.
Does Cognitive Functioning Predict Chronic Pain in Older Adult? Results From the CoLaus|PsyCoLaus Longitudinal Study
Isabelle Rouch, Jean-Michel Dorey, Marie-Pierre F. Strippoli, Mehdi Gholam, Martin Preisig
doi : 10.1016/j.jpain.2021.01.007
Volume 22, Issue 8, August 2021, Pages 905-913
Chronic pain (CP) and cognitive impairment are common in older adults. CP was found to be associated with cognitive impairment in many cross-sectional studies. However, their cross-sectional design precluded inference on temporality. Accordingly, we aimed to prospectively assess the association between cognitive functioning and the occurrence of CP in older community dwellers. Analyses were based on data of the first (FU1) and the second follow-up (FU2) of CoLaus|PsyCoLaus, a prospective cohort study conducted in the general population of Lausanne (Switzerland) including the participants aged 65 and over. Neuropsychological functioning including memory, language, attention and executive function was measured at FU1.
Fibromyalgia Patients Are Not Only Hypersensitive to Painful Stimuli But Also to Acoustic Stimuli
Roland Staud, Melyssa M. Godfrey, Michael E. Robinson
doi : 10.1016/j.jpain.2021.02.009
Volume 22, Issue 8, August 2021, Pages 914-925
Fibromyalgia is a chronic widespread pain syndrome associated with hypersensitivity to nociceptive stimuli. This increased sensitivity of FM patients has been associated with central sensitization of dorsal horn neurons. Increasing evidence, however, suggests that the mechanisms of FM hypersensitivity not only affect pain but include light, smell, and sound.
The Psychological Functioning in the COVID-19 Pandemic and Its Association With Psychological Flexibility and Broader Functioning in People With Chronic Pain
Lin Yu, Kitty Kioskli, Lance M. McCracken
doi : 10.1016/j.jpain.2021.02.011
Volume 22, Issue 8, August 2021, Pages 926-939
Aims: People with chronic pain may be particularly vulnerable to the impact of the pandemic COVID-19, and psychological flexibility may protect them. This study investigates psychological functioning in the context of COVID-19, including fear and avoidance in the context of COVID-19, specifically its association with daily functioning, and the role of psychological flexibility, among people with chronic pain. Methods: Responses from 555 adults with chronic pain were collected through a cross-sectional online survey and analyzed. Results: Eight out of 10 participants reported significant depression and nearly 9 out of 10 reported significant functional impairment. COVID-19-related fear and avoidance significantly correlated with pain, pain-related disability, depression, and work and social adjustment (r?=?18–.32), as well as psychological flexibility processes, including pain acceptance, self-as-context, and committed action, |r|=.13–.30.
Spa Therapy for the Treatment of Fibromyalgia: An Open, Randomized Multicenter Trial
Caroline Maindet, Aurore Maire, Céline Vermorel, Claire Cracowski, Jean-Luc Bosson
doi : 10.1016/j.jpain.2021.02.010
Volume 22, Issue 8, August 2021, Pages 940-951
Fibromyalgia is a common chronic pain pathology with an incidence of 4.3 per 1,000 person-years. An open, randomized clinical trial of patients with fibromyalgia comparing an immediate vs. delayed 18-day spa therapy in five spa therapy care facilities in France enrolled 220 patients. Randomization was in blocks of four, stratified by center, severity of fibromyalgia and previous spa therapy. Patients continued usual treatment.
Medial Prefrontal High-Definition Transcranial Direct Current Stimulation to Improve Pain Modulation in Chronic Low Back Pain: A Pilot Randomized Double-blinded Placebo-Controlled Crossover Trial
Megan E. McPhee, Thomas Graven-Nielsen
doi : 10.1016/j.jpain.2021.02.012
Volume 22, Issue 8, August 2021, Pages 952-967
Chronic low back pain (CLBP) is highly disabling, but often without identifiable source. Focus has been on impaired anti-nociceptive mechanisms contributing to pain maintenance, though methods of targeting this impairment remain limited. This randomised-controlled cross-over pilot trial used active versus sham medial prefrontal cortex (mPFC) high-definition transcranial direct current stimulation (HD-tDCS) for 3-consecutive days to improve descending pain inhibitory function. Twelve CLBP patients were included with an average visual analogue scale (VAS) pain intensity of 3.0 ± 1.5 and pain duration of 5.3 ± 2.6 years.
P2X4R Contributes to Central Disinhibition Via TNF-?/TNFR1/GABAaR Pathway in Post-stroke Pain Rats
Jiajie Lu, Xiaoning Guo, Manyun Yan, Xiaqing Yuan, ... Gang Chen
doi : 10.1016/j.jpain.2021.02.013
Volume 22, Issue 8, August 2021, Pages 968-980
Central post-stroke pain (CPSP) is a disabling condition in stroke patients. It is a type of neuropathic pain for which the mechanism and relevant drug pathways remain unknown. Inflammatory response and central disinhibition have been suggested recently. Our previous research has shown targeting P2X4 receptors (P2X4R) may be effective in the treatment of CPSP, but the downstream pathway of the P2X4R has not been studied. In this study, we found the increase in tumor necrosis factor alpha (TNF-?) level and endocytosis of surface gamma-aminobutyric acid a receptors (GABAaR) in CPSP, and these effects were inhibited by blocking P2X4R. Furthermore, antagonizing TNF-? can increase surface GABAaR expression and mechanical pain threshold. Meanwhile, knocking down TNFR1 but not TNFR2 reversed the endocytosis of surface GABAaR and alleviated mechanical allodynia. Thus, the neuropathic pain was mediated, in part, through P2X4R/TNF-?/TNFR1/GABAaR signaling, which was induced after stroke.
Pain Catastrophizing Mediates and Moderates the Link Between Acute Pain and Working Memory
Philip M. Procento, Kevin L. Rand, Jesse C. Stewart, Adam T. Hirsh
doi : 10.1016/j.jpain.2021.03.138
Volume 22, Issue 8, August 2021, Pages 981-995
The bidirectional relationship between pain and working memory (WM) deficits is well-documented but poorly understood. Pain catastrophizing—exaggerated, negative cognitive and emotional responses toward pain—may contribute to WM deficits by occupying finite, shared cognitive resources. The present study assessed the role of pain catastrophizing as both a state-level process and trait-level disposition in the link between acute pain and WM.
Antioxidants Improve Oxaliplatin-Induced Peripheral Neuropathy in Tumor-Bearing Mice Model: Role of Spinal Cord Oxidative Stress and Inflammation
Jonathan Paulo Agnes, Vit?ria Wibbelt dos Santos, Raquel Nascimento das Neves, Rosângela Mayer Gonçalves, Alfeu Zanotto-Filho
doi : 10.1016/j.jpain.2021.03.142
Volume 22, Issue 8, August 2021, Pages 996-1013
Chemotherapy-Induced Peripheral Neuropathy (CIPN) is a common, difficult-to-treat, and dose-limiting side effect associated with Oxaliplatin (OXA) treatment. In this study, we evaluated the effect of three antioxidants - namely N-acetylcysteine, ?-lipoic acid and vitamin E – upon nociceptive parameters and antitumor efficacy of OXA in a tumor-bearing Swiss mice model. Oral treatment with antioxidants inhibited both mechanical and cold allodynia when concomitantly administrated with OXA (preventive protocol), as well as in animals with previously established CIPN (therapeutic protocol). OXA increased Reactive Oxygen Species (ROS) production and lipoperoxidation, and augmented the content of pro-inflammatory cytokines (IL-1? and TNF-?) and expression of the astrocytic marker Gfap mRNA in the spinal cord. Antioxidants decreased ROS production and lipoperoxidation, and abolished neuroinflammation in OXA-treated animals. Toll-like receptor 4 (Tlr4) and inflammasome enzyme caspase-1/11 knockout mice treated with OXA showed reduced levels of pro-inflammatory cytokines (but not oxidative stress) in the spinal cord, which were associated with resistance to OXA-induced mechanical allodynia. Lastly, antioxidants affected neither antitumor activity nor hematological toxicity of OXA in vivo. The herein presented results are provocative for further evaluation of antioxidants in clinical management of chemotherapy-induced peripheral neuropathy.
