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Journal of Pain Research

Tara Symonds, Jason A Randall, Deborah L Hoffman, Joanna M Zakrzewska, William Gehringer, John Yk Lee
Background and objective: The Penn Facial Pain Scale (Penn-FPS) was originally developed as a supplemental module to the Brief Pain Inventory Pain Interference Index (BPI-PII) in order to fully assess the impact of trigeminal neuralgia (TN) pain on patients' health-related quality of life (HRQoL). The current objective is to create and establish the content validity of a new stand-alone version of the measure, the Penn-FPS-Revised (Penn-FPS-R). Methods: Twenty participants (15 USA and 5 UK) with confirmed TN engaged in concept elicitation and cognitive debriefing interviews...
2018: Journal of Pain Research
Eric T Wittbrodt, Tong J Gan, Catherine Datto, Charles McLeskey, Meenal Sinha
Purpose: Constipation is a well-known complication of surgery that can be exacerbated by opioid analgesics. This study evaluated resource utilization and costs associated with opioid-induced constipation (OIC). Patients and methods: This retrospective, observational, and propensity-matched cohort study utilized the Premier Healthcare Database. The study included adults ≥18 years of age undergoing total hip or total knee replacement as inpatients who received an opioid analgesic and were discharged between January 1, 2012, and June 30, 2015...
2018: Journal of Pain Research
Rodrigo Jimenez-Garcia, José Luis Del Barrio, Valentín Hernandez-Barrera, Javier de Miguel-Díez, Isabel Jimenez-Trujillo, María Angeles Martinez-Huedo, Ana Lopez-de-Andres
Background: The objective of the study was to study the association between low back pain (LBP), neck pain (NP), and diabetes while controlling for many sociodemographic characteristics, comorbidities, and lifestyle variables. The study also aimed to identify which of these variables is independently associated with LBP and NP among diabetes sufferers. Methods: A case-control study using data taken from the European Health Interview Surveys for Spain was conducted in 2009/2010 (n=22,188) and 2014 (n=22,842)...
2018: Journal of Pain Research
Shuhong Dai, Yu Qi, Jie Fu, Na Li, Xu Zhang, Juan Zhang, Wei Zhang, Haijun Xu, Hai Zhou, Zhengliang Ma
Background: Dexmedetomidine (DEX) could have an analgesic effect on pain transmission through the modulation of brain-derived neurotrophic factor (BDNF). In addition, KCC2-induced shift in neuronal Cl- homeostasis is crucial for postsynaptic inhibition mediated by GABAA receptors. Accumulating evidence shows that nerve injury, peripheral inflammation and stress activate the spinal BDNF/TrkB signal, which results in the downregulation of KCC2 transport and expression, eventually leads to GAGAergic disinhibition and hyperalgesia...
2018: Journal of Pain Research
Fleur Meijer, Petra Cornelissen, Corina Sie, Michel Wagemans, Anja Mars, Tiny Hobma, Marieke Niesters, Albert Dahan, J Seppe Koopman, Monique Ah Steegers
Background: The sublingual sufentanil tablet system (SSTS) is a novel hand-held patient-controlled analgesia device developed for treatment of moderate-to-severe postoperative pain. Here we present the first results of its clinical use. Methods: Adult patients undergoing major surgery in five hospitals in the Netherlands received the SSTS for postoperative pain relief as part of multimodal pain management that further included paracetamol and a nonsteroidal anti-inflammatory drug (NSAID)...
2018: Journal of Pain Research
Abraham Ochoa-Aguilar, Rosa Ventura-Martinez, Marco Antonio Sotomayor-Sobrino, Ruth Jaimez, Ulises Coffeen, Ariadna Jiménez-González, Luis Gerardo Balcázar-Ochoa, Rafael Pérez-Medina-Carballo, Rodolfo Rodriguez, Ricardo Plancarte-Sánchez
Introduction: Ceftriaxone (CFX) and clavulanic acid (CA) are 2 β-lactam molecules widely used as antibiotics. However, several reports of their antiallodynic properties have been published in recent years. Although this effect has been considered mostly due to a GLT1 overexpression, these molecules have also been proven to induce direct immunomodulation. In this work, we determine the acute analgesic effect of CFX and CA in an inflammatory pain model and assess if their administration may induce anti-inflammatory effects...
2018: Journal of Pain Research
Ana Sofia Carvalho, Sandra Martins Pereira, António Jácomo, Susana Magalhães, Joana Araújo, Pablo Hernández-Marrero, Carlos Costa Gomes, Michael E Schatman
Introduction: The practice and study of pain management pose myriad ethical challenges. There is a consensual opinion that adequate management of pain is a medical obligation rooted in classical Greek practice. However, there is evidence that patients often suffer from uncontrolled and unnecessary pain. This is inconsistent with the leges artis, and its practical implications merit a bioethical analysis. Several factors have been identified as causes of uncontrolled and unnecessary pain, which deprive patients from receiving appropriate treatments that theoretically they have the right to access...
2018: Journal of Pain Research
Ana Mimic, Carsten Bantel, Jelena Jovicic, Branko Mimic, Darija Kisic-Tepavcevic, Otas Durutovic, Nebojsa Ladjevic
Purpose: There is an increasing interest in the identification of predictors for individual responses to analgesics and surgical pain. In this study, we aimed to determine psychological factors that might contribute to this response. We hence investigated patients undergoing a standardized surgical intervention (open nephrectomy). Patients and methods: Between May 2014 and April 2015, we conducted a prospective observational cohort study. The following psychological tests were administered preoperatively: Mini-Mental State Examination, Amsterdam Preoperative Anxiety and Information Scale (APAIS), Hamilton Anxiety Rating Scale, Hamilton Depression Rating Scale, and Pain Catastrophizing Scale...
2018: Journal of Pain Research
Nitya Bakshi, Ines Lukombo, Inna Belfer, Lakshmanan Krishnamurti
Background: Sickle cell disease (SCD) is an inherited disorder of the red blood cells and is associated with chronic multisystem involvement. While SCD has been associated with poorer health-related quality of life (HRQoL), there is a paucity of data on the relationship of psychological covariates other than anxiety and depression and quality of life (QoL) in children with SCD. Materials and methods: We performed a cross-sectional study of psychological factors, HRQoL, and pain-related outcomes in participants with SCD and race-matched controls as part of a larger study of experimental pain phenotyping...
2018: Journal of Pain Research
Botros B Shenoda, Yuzhen Tian, Guillermo M Alexander, Enrique Aradillas-Lopez, Robert J Schwartzman, Seena K Ajit
Background: Evidence is overwhelming for sex differences in pain, with women representing the majority of the chronic pain patient population. There is a need to explore novel avenues to elucidate this sex bias in the development of chronic inflammatory pain conditions. Complex regional pain syndrome (CRPS) is a chronic neuropathic pain disorder, and the incidence of CRPS is greater in women than in men by ~4:1. Since neurogenic inflammation is a key feature of CRPS, dysregulation of inflammatory responses can be a factor in predisposing women to chronic pain...
2018: Journal of Pain Research
Diana S Meske, Oluwadolapo D Lawal, Harrison Elder, Valerie Langberg, Florence Paillard, Nathaniel Katz
Introduction: Opioids have been used for millennia for the treatment of pain. However, the long-term efficacy of opioids to treat chronic non-cancer pain continues to be debated. To evaluate opioids' efficacy in chronic non-cancer pain, we performed a meta-analysis of published clinical trials for μ-opioid receptor agonists performed for US Food and Drug Administration approval. Methods: MEDLINE and Cochrane trial register were searched for enriched enrollment randomized withdrawal studies (before June 2016)...
2018: Journal of Pain Research
Stacy Baldridge, Laura Wallace, Aditi Kadakia
Background: There is limited real-world, population-level data on the prevalence and treatment of pain in children. An understanding of pediatric pain conditions and its management can help inform provider education, treatment guidelines, and design of pediatric pain studies. Therefore, in this study, we aimed to describe the prevalence of conditions associated with acute and chronic pain in pediatric patients and to characterize pediatric pain treatment with nonsteroidal anti-inflammatory drugs, cyclooxygenase-2 (COX-2) inhibitors, opioids (immediate release or extended release), antidepressants, topical analgesics, anticonvulsants, and other therapies based on a large, real-world sample...
2018: Journal of Pain Research
Catherine R Jutzeler, Freda M Warner, Jacquelyn J Cragg, Jenny Haefeli, J Scott Richards, Sven R Andresen, Nanna B Finnerup, Catherine Mercier, John Lk Kramer
Background: Understanding factors associated with high placebo responses in clinical trials increases the likelihood of detecting a meaningful treatment effect. The aim of the present study was to identify subject-level factors that contribute to placebo variability in patients with neuropathic pain due to spinal cord injury (SCI). Methods: Multiple regression analysis of patient data from randomized, double-blind, placebo-controlled trials (duration >4 weeks) involving individuals with SCI was performed...
2018: Journal of Pain Research
Tao Gu, Lei Lin, Yun Jiang, Juan Chen, Ryan Cn D'Arcy, Min Chen, Xiaowei Song
Background: Acupuncture has been proven to be effective as an alternative therapy in treating migraine, but the pathophysiological mechanisms of the treatment remain unclear. This study investigated possible neurochemical responses to acupuncture treatment. Patients and methods: Proton magnetic resonance spectroscopy imaging was used to investigate biochemical levels pre- and post-acupuncture treatment. Participants (N=45) included subjects diagnosed with: 1) migraine without aura; 2) cervicogenic headache; and 3) healthy controls...
2018: Journal of Pain Research
Shunda Hong, Lili Gu, Fuqing Zhou, Jiaqi Liu, Muhua Huang, Jian Jiang, Laichang He, Honghan Gong, Xianjun Zeng
Purpose: The aim of this study was to explore intrinsic functional connectivity patterns in patients with herpes zoster (HZ) and postherpetic neuralgia (PHN). Patients and methods: Thirty-three right-handed HZ patients (13 males; mean age 57.15±9.30 years), 22 right-handed PHN patients (9 males; mean age 66.13±6.77 years), and 28 well-matched healthy controls (HC) (9 males; mean age 54.21±7.72 years) underwent resting-state functional magnetic resonance imaging for intrinsic functional connectivity analyses...
2018: Journal of Pain Research
Patricia Palomo-López, Ricardo Becerro-de-Bengoa-Vallejo, Marta Elena Losa-Iglesias, David Rodríguez-Sanz, César Calvo-Lobo, Daniel López-López
Background and purpose: Plantar fasciitis (PF) is a foot disorder in adults secondary to an inflammatory response caused by repetitive micro-trauma. We evaluated and compared the impact on quality of life (QoL) related to foot health and general health between males and females with PF. Methods: In this cross-sectional descriptive study, patients with PF were recruited from a podiatry clinic. Physical examination, sociodemographic data, and the self-reported Foot Health Status Questionnaire (FHSQ) were recorded...
2018: Journal of Pain Research
Can Xu, Mingqing Li, Chenggong Wang, Hui Li, Hua Liu
Purpose: Hallux valgus surgery often results in significant postoperative pain. Adequate control of pain is essential for patient satisfaction and improves the outcome of the procedure. This study aimed to investigate the perioperative analgesic effect of a buprenorphine transdermal patch in patients who underwent hallux valgus surgery. Patients and methods: A total of 90 patients were randomly divided into the following three groups based on the perioperative analgesic method: flurbiprofen axetil intravenous injection (Group F), oral celecoxib (Group C), and buprenorphine transdermal delivery system (BTDS) (Group BTDS)...
2018: Journal of Pain Research
Xiao-Kun Liu, Shui-Yuan Xiao, Liang Zhou, Mi Hu, Wei Zhou, Hui-Ming Liu
Purpose: The aims of this study were to investigate the distribution of sleep quality and its relationship with the prevalence of pain among rural Chinese people and to explore the association between sleep quality and pain intensity among the general population in real-life settings. Methods: This cross-sectional survey included a total of 2052 adults from rural areas in Liuyang, Hunan Province, recruited through random multistage sampling. The distributions of sleep quality and pain prevalence among the participants over a 4-week period were described...
2018: Journal of Pain Research
Ahmad H Alghadir, Shahnawaz Anwer, Amir Iqbal, Zaheen Ahmed Iqbal
Objective: Several scales are commonly used for assessing pain intensity. Among them, the numerical rating scale (NRS), visual analog scale (VAS), and verbal rating scale (VRS) are often used in clinical practice. However, no study has performed psychometric analyses of their reliability and validity in the measurement of osteoarthritic (OA) pain. Therefore, the present study examined the test-retest reliability, validity, and minimum detectable change (MDC) of the VAS, NRS, and VRS for the measurement of OA knee pain...
2018: Journal of Pain Research
Lúcio Ricardo Leite Diniz, Viviane Gomes Portella, Kerly Shamira da Silva Alves, Pâmella Cristina da Costa Araújo, Ricardo Luiz Cavalcanti de Albuquerque Júnior, Aline Alice Cavalcante de Albuquerque, Andrelina Noronha Coelho-de-Souza, José Henrique Leal-Cardoso
Background: Nonspecific and delayed diagnosis of neurologic damage contributes to the development of neuropathies in patients with severe sepsis. The present study assessed the electrophysiologic parameters related to the excitability and conductibility of sciatic and vagus nerves during early stages of sepsis. Materials and methods: Twenty-four hours after sepsis induced by cecal ligation and puncture (CLP) model, sciatic and vagus nerves of septic (CLP group) and control (sham group) rats were removed, and selected electric stimulations were applied to measure the parameters of the first and second components of the compound action potential...
2018: Journal of Pain Research
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