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Journal of Pain Research

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https://www.readbyqxmd.com/read/29238216/improved-health-related-quality-of-life-participation-and-autonomy-in-patients-with-treatment-resistant-chronic-pain-after-an-intensive-social-cognitive-intervention-with-the-participation-of-support-partners
#1
Peter Joseph Jongen, Rob P Ruimschotel, Y M Museler-Kreijns, Tmc Dragstra, L Duyverman, J Valkenburg-Vissers, J Cornelissen, R Lagrand, Rogier Donders, A Hartog
Despite the availability of various specific treatments, most patients with chronic pain (CP) consider their pain problem as undertreated. Recently, multiple sclerosis (MS) patients who were given an intensive 3-day social cognitive treatment with the participation of support partners experienced lasting improvements in health-related quality of life (HRQoL) and self-efficacy. In this study, a similar intervention was given to treatment-resistant CP patients with stressors, relational problems with support partner, and distress, anxiety or depression...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29238215/electrical-stimulation-of-the-posterior-tibial-nerve-reduces-neuropathic-pain-in-patients-with-polyneuropathy
#2
Ron Dabby, Menachem Sadeh, Ilan Goldberg, Vitaly Finkelshtein
Peripheral neuropathic pain (PNP) is caused by neuronal damage to the peripheral nervous system and usually affects the distal extremities. This open-label study examined the effect of short-term peripheral nerve stimulation (PNS) on individuals with PNP due to polyneuropathy. A total of 12 patients (mean age, 63.0 ± 10.0 years, 41.7% male) with daily bilateral PNP for at least 6 months (mean duration, 7.4 ± 7.8 years) received a total of six direct electrical stimulation therapies to the posterior tibial nerve at 3-4-day intervals...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29238214/pain-sensitivity-and-torque-used-during-measurement-predicts-change-in-range-of-motion-at-the-knee
#3
Mark D Bishop, Steven Z George
Objective: To determine the extent to which changes in knee range of motion (ROM) after a stretching program are related to sensory factors at the time of testing and the amount of force used during the measurement of ROM, rather than changes in soft-tissue properties. Design: Randomized, single-blind design. Participants were randomly assigned to a control or stretching group. Setting: Research laboratory. Participants: Forty-four healthy volunteers (22...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29238213/first-evidence-of-the-conversion-of-paracetamol-to-am404-in-human-cerebrospinal-fluid
#4
Chhaya V Sharma, Jamie H Long, Seema Shah, Junia Rahman, David Perrett, Samir S Ayoub, Vivek Mehta
Paracetamol is arguably the most commonly used analgesic and antipyretic drug worldwide, however its mechanism of action is still not fully established. It has been shown to exert effects through multiple pathways, some actions suggested to be mediated via N-arachidonoylphenolamine (AM404). AM404, formed through conjugation of paracetamol-derived p-aminophenol with arachidonic acid in the brain, is an activator of the capsaicin receptor, TRPV1, and inhibits the reuptake of the endocannabinoid, anandamide, into postsynaptic neurons, as well as inhibiting synthesis of PGE2 by COX-2...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29200885/treatment-of-complex-regional-pain-syndrome-using-free-flap-surgery-a-case-report
#5
Dong-Kyo Seo, Ho-Seong Lee, Joon Pio Hong, Jeong-Ho Seo, Jin Woo Shin
Complex regional pain syndrome is a chronic progressive illness with sensory, autonomic, trophic, and motor abnormalities. Treatment is difficult and controversial. We report the results of free-flap and vein wrapping of the superficial peroneal nerve surgery to treat complex regional pain syndrome.
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29184439/ultrasound-guided-rectus-sheath-block-caudal-analgesia-or-surgical-site-infiltration-for-pediatric-umbilical-herniorrhaphy-a-prospective-double-blinded-randomized-comparison-of-three-regional-anesthetic-techniques
#6
Lance M Relland, Joseph D Tobias, David Martin, Giorgio Veneziano, Ralph J Beltran, Christopher McKee, Tarun Bhalla
Background: Umbilical hernia repair is a common pediatric surgical procedure. While opioid analgesics are a feasible option and have long been a mainstay in the pharmacological intervention for pain, the effort to improve care and limit opioid-related adverse effects has led to the use of alternative techniques, including regional anesthesia. The current study prospectively compares the analgesic efficacy of three techniques, including caudal epidural blockade, peripheral nerve blockade, and local wound infiltration, in a double-blinded study...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29184438/efficacy-of-local-dexmedetomidine-add-on-for-spermatic-cord-block-anesthesia-in-patients-undergoing-intrascrotal-surgeries-randomized-controlled-multicenter-clinical-trial
#7
Diab Fuad Hetta, Emad E Kamal, Ali M Mahran, Doaa G Ahmed, Abdelraheem Elawamy, Abdelraouf Ms Abdelraouf
Study objective: The objective of this study was to evaluate the effect of adding dexmedetomidine (DEX) to bupivacaine on the quality of spermatic cord block anesthesia and postoperative analgesia. Design: This is a randomized, double-blind study. Setting: This study was performed in an educational and research hospital. Patients: One hundred twenty adult males were scheduled for intrascrotal surgeries. Interventions: Patients were divided into two groups: group B received 10 mL of bupivacaine 0...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29184437/antiallodynic-and-antihyperalgesic-activities-of-zerumbone-via-the-suppression-of-il-1%C3%AE-il-6-and-tnf-%C3%AE-in-a-mouse-model-of-neuropathic-pain
#8
Banulata Gopalsamy, Ahmad Akira Omar Farouk, Tengku Azam Shah Tengku Mohamad, Mohd Roslan Sulaiman, Enoch Kumar Perimal
Background: Neuropathic pain is a debilitating condition that severely affects the quality of life for those with this pain condition, and treatment for pain relief is greatly sought-after. Zerumbone (Zer), a sesquiterpene compound isolated from the rhizomes of a Southeast Asian ginger plant, Zingiber zerumbet (L.) Roscoe ex Smith. (Zingiberaceae), showed antinociceptive and antiinflammatory properties when previously tested on models of nociception and inflammation. Objective: This study investigated the effects of prophylactic administration of zerumbone on allodynia and hyperalgesia in a mouse model of chronic constriction injury (CCI)-induced neuropathic pain...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29184436/continuous-wound-infusion-with-chloroprocaine-in-a-pig-model-of-surgical-lesion-drug-absorption-and-effects-on-inflammatory-response
#9
Massimo Allegri, Dario Bugada, Manuela De Gregori, Maria A Avanzini, Annalisa De Silvestri, Anna Petroni, Angelo Sala, Claudia Filisetti, Antonia Icaro Cornaglia, Lorenzo Cobianchi
Continuous wound infusion (CWI) may protect from inflammation, hyperalgesia and persistent pain. Current local anesthetics display suboptimal pharmacokinetic profile during CWI; chloroprocaine (CP) has ideal characteristics, but has never been tested for CWI. We performed an animal study to investigate the pharmacokinetic profile and anti-inflammatory effect of CP during CWI. A total of 14 piglets received an infusion catheter after pararectal laparotomy and were randomly allocated to one of three groups: 5 mL/h infusion of saline (group A), CP 1...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29180895/postoperative-pain-management-in-the-postanesthesia-care-unit-an-update
#10
REVIEW
Jie Luo, Su Min
Acute postoperative pain remains a major problem, resulting in multiple undesirable outcomes if inadequately controlled. Most surgical patients spend their immediate postoperative period in the postanesthesia care unit (PACU), where pain management, being unsatisfactory and requiring improvements, affects further recovery. Recent studies on postoperative pain management in the PACU were reviewed for the advances in assessments and treatments. More objective assessments of pain being independent of patients' participation may be potentially appropriate in the PACU, including photoplethysmography-derived parameters, analgesia nociception index, skin conductance, and pupillometry, although further studies are needed to confirm their utilities...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29180894/cortical-mapping-of-painful-electrical-stimulation-by-quantitative-electroencephalography-unraveling-the-time-frequency-channel-domain
#11
Lisa Goudman, Jorne Laton, Raf Brouns, Guy Nagels, Eva Huysmans, Ronald Buyl, Kelly Ickmans, Jo Nijs, Maarten Moens
The goal of this study was to capture the electroencephalographic signature of experimentally induced pain and pain-modulating mechanisms after painful peripheral electrical stimulation to determine one or a selected group of electrodes at a specific time point with a specific frequency range. In the first experiment, ten healthy participants were exposed to stimulation of the right median nerve while registering brain activity using 32-channel electroencephalography. Electrical stimulations were organized in four blocks of 20 stimuli with four intensities - 100%, 120%, 140%, and 160% - of the electrical pain threshold...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29180893/identification-of-key-genes-and-pathways-associated-with-neuropathic-pain-in-uninjured-dorsal-root-ganglion-by-using-bioinformatic-analysis
#12
Chao-Jin Chen, De-Zhao Liu, Wei-Feng Yao, Yu Gu, Fei Huang, Zi-Qing Hei, Xiang Li
Purpose: Neuropathic pain is a complex chronic condition occurring post-nervous system damage. The transcriptional reprogramming of injured dorsal root ganglia (DRGs) drives neuropathic pain. However, few comparative analyses using high-throughput platforms have investigated uninjured DRG in neuropathic pain, and potential interactions among differentially expressed genes (DEGs) and pathways were not taken into consideration. The aim of this study was to identify changes in genes and pathways associated with neuropathic pain in uninjured L4 DRG after L5 spinal nerve ligation (SNL) by using bioinformatic analysis...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29180892/does-self-perception-of-sensitivity-to-pain-correlate-with-actual-sensitivity-to-experimental-pain
#13
Doron Meiselles, Joshua Aviram, Erica Suzan, Dorit Pud, Elon Eisenberg
Background: People often state that they are "sensitive" or "insensitive" to pain. However, the accuracy and clinical relevance of such statements is unclear. Objective: The aim of this study was to search for associations between self-perception of sensitivity to pain and experimental pain measures, including known psychophysical inhibitory or excitatory pain paradigms. Subjects and methods: Subjective sensitivity to pain was reported by 75 healthy participants and included three self-perceived variables: pain threshold, pain sensitivity and pain intensity in response to a hypothetical painful event (hypothetical pain intensity [HPI])...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29180891/effect-of-oxycodone-patient-controlled-intravenous-analgesia-after-cesarean-section-a-randomized-controlled-study
#14
Jing-Jing Nie, Shen Sun, Shao-Qiang Huang
Background: Oxycodone is a semisynthetic μ-opioid receptor agonist with a potentially good analgesic efficacy in visceral pain. This study aims to compare the efficacy of oxycodone with sufentanil patient-controlled intravenous analgesia (PCIA). Methods: One hundred and twenty primiparas undergoing elective cesarean section were randomized into four groups by different drugs of PCIA: group S (sufentanil 100 μg), group OS1 (sufentanil 70 μg, oxycodone 30 mg), group OS2 (sufentanil 50 μg, oxycodone 50 mg), and group O (oxycodone 100 mg)...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29180890/a-retrospective-study-on-analgesic-requirements-for-thoracoscopic-surgery-postoperative-pain
#15
Hiroaki Kuroda, Hitomi Mizuno, Hitoshi Dejima, Kiyoe Watanabe, Tatsuya Yoshida, Yumiko Naito, Yukinori Sakao
Background: Thoracoscopic surgery (TS) has been performed as a minimally invasive procedure since the beginning of the 1990s. This has led to a dramatic change in the postoperative condition of these patients, facilitating early ambulation and easier management of postoperative pain. However, empirical evidence on postoperative pain management after TS is limited. The aims of this study were to determine the efficacy and adequacy of postoperative analgesic medications and to simplify the choice of additional drugs based on a numerical rating scale (NRS)...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29180889/risk-of-respiratory-depression-with-opioids-and-concomitant-gabapentinoids
#16
Julie Savelloni, Heather Gunter, Kelly C Lee, Chih Hsu, Cassia Yi, Kyle P Edmonds, Timothy Furnish, Rabia S Atayee
Introduction: The combination of opioids and central nervous system depressants such as benzodiazepines and barbiturates has an additive effect on the frequency of oversedation and respiratory depression requiring naloxone use in hospitalized patients. Gabapentinoids (gabapentin and pregabalin) are frequently prescribed with opioids for their opioid-sparing and adjuvant analgesic effects. There is limited literature on the risk of respiratory depression due to the combination of opioids and gabapentinoids requiring naloxone administration...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29158692/pulsed-radiofrequency-of-brachial-plexus-under-ultrasound-guidance-for-refractory-stump-pain-a-case-report
#17
Bixin Zheng, Li Song, Hui Liu
The post-amputation (pain) syndrome, including stump pain, phantom limb sensation, and phantom limb pain is common but difficult to treat. Refractory stump pain in the syndrome is an extremely challenging and troublesome clinical condition. Patients respond poorly to drugs, nerve blocks, and other effective treatments like spinal cord stimulation and surgery. Pulsed radiofrequency (PRF) technique has been shown to be effective in reducing neuropathic pain. This report describes a patient with persistent and refractory upper limb stump pain being successfully relieved with PRF of brachial plexus under ultrasound guidance after a 6-month follow-up period, suggesting that PRF may be considered as an alternative treatment for refractory stump-neuroma pain...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29158691/project-for-the-introduction-of-prehospital-analgesia-with-fentanyl-and-morphine-administered-by-specially-trained-paramedics-in-a-rural-service-area-in-germany
#18
Maximilian Scharonow, Timo Alberding, Wolfgang Oltmanns, Christian Weilbach
Background: In patients with serious illness or trauma, reduction of severe pain is a key therapeutic goal of emergency medical service (EMS) teams. In Germany, only physicians are allowed to use opioid analgesics. In the rural EMS area studied, the mean arrival time for paramedics is 8 minutes, 23 seconds, and for the rescue physician between 10 minutes, 30 seconds and 16 minutes, 59 seconds, depending on EMS site. In cases of parallel callouts, rescue-physician arrival times may be considerably longer...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29158690/pain-aversion-and-anxiety-like-behavior-occur-at-different-times-during-the-course-of-chronic-inflammatory-pain-in-rats
#19
Yuanyuan Wu, Xinmiao Yao, Yongliang Jiang, Xiaofen He, Xiaomei Shao, Junying Du, Zui Shen, Qiaoying He, Jianqiao Fang
Pain is considered a multidimensional conscious experience that includes a sensory component and a negative affective-motivational component. The negative affective-motivational component of pain is different from the sensory component and amplifies the pain experience. Nowadays, a significant number of preclinical research groups have focused their attention on the affective symptoms of pain. In the present study, we investigated the pain aversion and anxiety-like behavior of the complete Freund's adjuvant (CFA)-induced chronic pain model...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29158689/assessment-of-chronic-pain-and-access-to-pain-therapy-a-cross-sectional-population-based-study
#20
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
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