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https://www.readbyqxmd.com/read/28805336/matrix-stimulation-in-cancer-pain-methodology-safety-and-effectiveness
#1
M Mücke, M Tils, R Conrad, D Kravchenko, H Cuhls, L Radbruch, M Marinova, V Peuckmann-Post, R Rolke
BACKGROUND: This feasibility study addresses the applicability of matrix electrodes for the reduction of ongoing pain in cancer patients via low-frequency electrical stimulation (LFS). METHODS: Low-frequency matrix stimulation (4 Hz) was applied to the skin within the 'Head's zones' referring to the tumour localization of cancer pain patients. Pain at baseline was compared to a 3-day treatment interval consisting of 5 min of matrix stimulation in the morning and evening followed by a 3-day follow-up period without therapy...
August 14, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28757829/effect-of-dexmedetomidine-as-an-adjuvant-to-bupivacaine-in-femoral-nerve-block-for-perioperative-analgesia-in-patients-undergoing-total-knee-replacement-arthroplasty-a-dose-response-study
#2
Senthil K Packiasabapathy, Lokesh Kashyap, Mahesh K Arora, Ravinder Kumar Batra, V K Mohan, Ganga Prasad, C S Yadav
CONTEXT: Dexmedetomidine is being increasingly used in nerve blocks. However, there are only a few dose determination studies. AIMS: To compare two doses of dexmedetomidine, in femoral nerve block, for postoperative analgesia after total knee arthroplasty (TKA). SETTINGS AND DESIGN: A prospective, randomized, controlled trial was conducted in the Department of Anesthesia at AIIMS, a Tertiary Care Hospital. MATERIALS AND METHODS: Sixty American Society of Anesthesiologists I-II patients undergoing TKA under subarachnoid block were randomized to three Groups A, B, and C...
July 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28690183/perinatal-protein-deprivation-facilitates-morphine-cross-sensitization-to-cocaine-and-enhances-%C3%AE-fosb-expression-in-adult-rats
#3
María Cecilia Perondi, María Cecilia Gutiérrez, Analía Valdomero, Gabriel Ricardo Cuadra
Previous studies have indicated that neural changes induced by early nutritional insult cause an altered response to pharmacological treatments, including addictive drugs. This study evaluates the influence of perinatal protein malnutrition in developing cross-sensitization to cocaine-induced rewarding effects in animals pre-exposed to morphine. Different groups of well-nourished (C-rats) and protein-deprived animals (D-rats) were treated twice a day for three days with increasing doses of morphine or with saline...
July 6, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28663006/effect-of-an-emergency-department-opioid-prescription-policy-on-prescribing-patterns
#4
Jerel Chacko, Josh Greenstein, Brahim Ardolic, Nicole Berwald
BACKGROUND: Staten Island University Hospital is located in NYC, where the opioid epidemic has resulted in significant mortalities from unintentional overdoses. In 2013 as a response to the rising threat to our community, our Emergency Department (ED) administration adopted a clinical practice policy focused on decreasing the prescription of controlled substances. The effects of this policy on our provider prescription patterns are presented here. METHODS: A retrospective chart review of patients prescribed opioids from the ED before and after policy implementation was performed...
June 15, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28635651/effects-of-tetrodotoxin-in-mouse-models-of-visceral-pain
#5
Rafael González-Cano, Miguel Ángel Tejada, Antonia Artacho-Cordón, Francisco Rafael Nieto, José Manuel Entrena, John N Wood, Cruz Miguel Cendán
Visceral pain is very common and represents a major unmet clinical need for which current pharmacological treatments are often insufficient. Tetrodotoxin (TTX) is a potent neurotoxin that exerts analgesic actions in both humans and rodents under different somatic pain conditions, but its effect has been unexplored in visceral pain. Therefore, we tested the effects of systemic TTX in viscero-specific mouse models of chemical stimulation of the colon (intracolonic instillation of capsaicin and mustard oil) and intraperitoneal cyclophosphamide-induced cystitis...
June 21, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28627290/continuous-adductor-canal-block-added-to-local-infiltration-analgesia-lia-after-total-knee-arthroplasty-has-no-additional-benefits-on-pain-and-ambulation-on-postoperative-day-1-and-2-compared-with-lia-alone
#6
Svava Gudmundsdottir, Jonas L Franklin
Background and purpose - The additional effects of a continuous adductor canal block (ACB) compared with a single-dose local infiltration anesthesia (LIA) after total knee arthroplasty (TKA) has not been widely researched. Both methods have good effect individually. We hypothesized that a continuous ACB added to a single-dose LIA would lower pain scores while ambulating on postoperative day 1 (POD1) and postoperative day 2 (POD2). Patients and methods - 69 participants were included in this prospective, randomized, double-blind, placebo-controlled trial...
October 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28623089/optimal-intrathecal-hyperbaric-bupivacaine-dose-with-opioids-for-cesarean-delivery-a-prospective-double-blinded-randomized-trial
#7
Eiko Onishi, Mamoru Murakami, Keiji Hashimoto, Miho Kaneko
BACKGROUND: Single-shot spinal anesthesia is commonly used for cesarean delivery. Achieving adequate anesthesia throughout surgery needs to be balanced with associated complications. We investigated the optimal dose of intrathecal hyperbaric bupivacaine, co-administered with opioids, for anesthesia for cesarean delivery. METHODS: This prospective, randomized, double-blinded, dose-ranging trial included parturients scheduled to undergo cesarean delivery under spinal anesthesia...
May 2017: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/28610706/ultrasound-guided-bilateral-rectus-sheath-block-vs-conventional-local-analgesia-in-single-port-laparoscopic-appendectomy-for-children-with-nonperforated-appendicitis
#8
Caroline Maloney, Michelle Kallis, Ibrahim Abd El-Shafy, Aaron M Lipskar, John Hagen, Michelle Kars
INTRODUCTION: Despite its minimally invasive approach, laparoscopic surgery can cause considerable pain. Regional analgesic techniques such as the rectus sheath block (RSB) offer improved pain management following elective umbilical hernia repair in the pediatric population. This effect has not been examined in laparoscopic single-incision surgery in children. We sought to compare the efficacy of bilateral ultrasound-guided RSB versus local anesthetic infiltration (LAI) in providing postoperative pain relief in pediatric single-incision transumbilical laparoscopic assisted appendectomy (TULA) with same-day discharge...
June 2, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28604179/bolus-administration-of-intravenous-lidocaine-reduces-pain-after-an-elective-caesarean-section-findings-from-a-randomised-double-blind-placebo-controlled-trial
#9
Afshin Gholipour Baradari, Abolfazl Firouzian, Farshad Hasanzadeh Kiabi, Amir Emami Zeydi, Mohammad Khademloo, Zeinab Nazari, Masoumeh Sanagou, Maedeh Ghobadi, Ensieh Fooladi
We conducted a randomised double-blind, placebo-controlled trial to assess whether a bolus dose of lidocaine during the induction of general anaesthesia would reduce postoperative pain over 24 h. Level of satisfaction with pain control at 48 h after surgery and Apgar score were also examined. A total of 100 women aged 20-35 years, who were candidates for elective caesarean section (CS) were randomised to receive either 1.5 mg/kg lidocaine or placebo during the induction of general anaesthesia. Results showed that lidocaine decreased pain intensity over 24 h after surgery (p < ...
July 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28579821/opioid-analgesics-related-pharmacokinetic-drug-interactions-from-the-perspectives-of-evidence-based-on-randomized-controlled-trials-and-clinical-risk-management
#10
REVIEW
Xiu-Qin Feng, Ling-Ling Zhu, Quan Zhou
BACKGROUND: Multimorbidity results in complex polypharmacy which may bear a risk of drug interactions. A better understanding of opioid analgesics combination therapy used for pain management could help warrant medication safety, efficacy, and economic relevance. Until now there has been no review summarizing the opioid analgesics-related pharmacokinetic drug interactions from the perspective of evidence based on randomized controlled trials (RCTs). METHOD: A literature search was performed using PubMed, MEDLINE, and the Cochrane Library, using a PRISMA flowchart...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28481682/acute-impairing-effects-of-morphine-related-to-driving-a-systematic-review-of-experimental-studies-to-define-blood-morphine-concentrations-related-to-impairment-in-opioid-na%C3%A3-ve-subjects
#11
Maren Cecilie Strand, Marianne Arnestad, Bente Fjeld, Jørg Mørland
OBJECTIVE: To look for dose- and concentration-effect relationships in experimental studies on single-dose administration of morphine on traffic relevant behavioral tests by a systematic literature review, and possibly to see if a dose/concentration could be defined, below which few or no tests would be affected. METHODS: Searches for corresponding literature were conducted using MEDLINE, EMBASE, and PsycINFO, throughout March of 2016. The search strategy consisted of words colligated to cognitive- and psychomotor functions of relevance to driving, in relation to morphine administration...
May 8, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28448397/prophylactic-pentazocine-reduces-the-incidence-of-pruritus-after-cesarean-delivery-under-spinal-anesthesia-with-opioids-a-prospective-randomized-clinical-trial
#12
RANDOMIZED CONTROLLED TRIAL
Masato Hirabayashi, Katsushi Doi, Noritaka Imamachi, Tomomune Kishimoto, Yoji Saito
BACKGROUND: The incidence of pruritus after cesarean delivery under spinal anesthesia with opioids is high, ranging from 50% to 100%. Pruritus is difficult to prevent; however, pentazocine has been shown to be an effective treatment. Despite this, the prophylactic effect of pentazocine on pruritus has not been defined. This randomized double-blind trial aimed to evaluate the effect of intraoperative IV pentazocine on the incidence of opioid-induced pruritus within the first 24 hours after administration of neuraxial opioids...
June 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28406856/treating-women-who-are-pregnant-and-parenting-for-opioid-use-disorder-and-the-concurrent-care-of-their-infants-and-children-literature-review-to-support-national-guidance
#13
Stacey L Klaman, Krystyna Isaacs, Anne Leopold, Joseph Perpich, Susan Hayashi, Jeff Vender, Melinda Campopiano, Hendrée E Jones
OBJECTIVES: The prevalence of opioid use disorder (OUD) during pregnancy is increasing. Practical recommendations will help providers treat pregnant women with OUD and reduce potentially negative health consequences for mother, fetus, and child. This article summarizes the literature review conducted using the RAND/University of California, Los Angeles Appropriateness Method project completed by the US Department of Health and Human Services Substance Abuse and Mental Health Services Administration to obtain current evidence on treatment approaches for pregnant and parenting women with OUD and their infants and children...
May 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/28393896/effects-of-ibudilast-on-the-subjective-reinforcing-and-analgesic-effects-of-oxycodone-in-recently-detoxified-adults-with-opioid-dependence
#14
Verena E Metz, Jermaine D Jones, Jeanne Manubay, Maria A Sullivan, Shanthi Mogali, Andrew Segoshi, Gabriela Madera, Kirk W Johnson, Sandra D Comer
Ibudilast, a nonselective phosphodiesterase inhibitor, is used clinically in Asia for the treatment of asthma and poststroke dizziness. Recent preclinical studies have suggested that it also inhibits glial cell activation in rodents, and may alter opioid-mediated effects, including analgesia and withdrawal symptoms. The effects of ibudilast on the abuse potential of opioids in humans are largely unknown. The present study was designed to examine the influence of ibudilast on subjective (including drug craving), reinforcing, and analgesic effects of oxycodone in human volunteers diagnosed with opioid dependence (equivalent to moderate-severe opioid use disorder)...
August 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28388512/a-highly-sensitive-method-for-the-simultaneous-uhplc-ms-ms-analysis-of-clonidine-morphine-midazolam-and-their-metabolites-in-blood-plasma-using-hfip-as-the-eluent-additive
#15
Rūta Veigure, Rudolf Aro, Tuuli Metsvaht, Joseph F Standing, Irja Lutsar, Koit Herodes, Karin Kipper
In intensive care units, the precise administration of sedatives and analgesics is crucial in order to avoid under- or over sedation and for appropriate pain control. Both can be harmful to the patient, causing side effects or pain and suffering. This is especially important in the case of pediatric patients, and dose-response relationships require studies using pharmacokinetic-pharmacodynamic modeling. The aim of this work was to develop and validate a rapid ultra-high performance liquid chromatographic-tandem mass spectrometric method for the analysis of three common sedative and analgesic agents: morphine, clonidine and midazolam, and their metabolites (morphine-3-glucuronide, morphine-6-glucuronide and 1'-hydroxymidazolam) in blood plasma at trace level concentrations...
May 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28333666/extended-stability-of-morphine-and-sildenafil-for-oral-use-in-infants-and-young-children
#16
Milap C Nahata
Morphine and sildenafil are commercially available at high concentrations which may lead to errors in measuring small volumes to provide low doses needed in infants. The purpose of this study was to assess the stability of morphine sulfate and sildenafil citrate in extemporaneously prepared suspensions for oral use. Morphine (0.2 mg/mL) was prepared from dilution of morphine elixir (2 mg/mL) with distilled water and stored in amber, plastic syringes at 25°C for 60 days. The mean concentration of morphine exceeded 95% of the initial concentration for the entire 60-day study period...
May 2016: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28274608/low-and-high-intensity-treadmill-exercise-attenuates-chronic-morphine-induced-anxiogenesis-and-memory-impairment-but-not-reductions-in-hippocampal-bdnf-in-female-rats
#17
Shahrbanoo Ghodrati-Jaldbakhan, Ali Ahmadalipour, Ali Rashidy-Pour, Abbas Ali Vafaei, Hossein Miladi-Gorji, Maryam Alizadeh
Previous studies from our laboratory have shown that treadmill exercise alleviates the deficits in cognitive functions and anxiety behaviors induced by chronic exposure to morphine in male rats. In this study, we investigated the effects of low and high intensities of treadmill exercise on spatial memory, anxiety-like behaviors, and biochemical changes in the hippocampus and serum of morphine-treated female rats. The adult virgin female rats were injected with bi-daily doses (10 mg/kg, at 12 h intervals) of morphine over a period of 10 days...
March 5, 2017: Brain Research
https://www.readbyqxmd.com/read/28264976/a-pten-regulated-checkpoint-controls-surface-delivery-of-%C3%AE-opioid-receptors
#18
Daniel J Shiwarski, Alycia Tipton, Melissa D Giraldo, Brigitte F Schmidt, Michael S Gold, Amynah A Pradhan, Manojkumar A Puthenveedu
The δ opioid receptor (δR) is a promising alternate target for pain management because δR agonists show decreased abuse potential compared with current opioid analgesics that target the μ opioid receptor. A critical limitation in developing δR as an analgesic target, however, is that δR agonists show relatively low efficacy in vivo, requiring the use of high doses that often cause adverse effects, such as convulsions. Here we tested whether intracellular retention of δR in sensory neurons contributes to this low δR agonist efficacy in vivo by limiting surface δR expression...
April 5, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28230181/dezocine-exhibits-antihypersensitivity-activities-in-neuropathy-through-spinal-%C3%AE-opioid-receptor-activation-and-norepinephrine-reuptake-inhibition
#19
Yong-Xiang Wang, Xiao-Fang Mao, Teng-Fei Li, Nian Gong, Ma-Zhong Zhang
Dezocine is the number one opioid painkiller prescribed and sold in China, occupying 44% of the nation's opioid analgesics market today and far ahead of the gold-standard morphine. We discovered the mechanisms underlying dezocine antihypersensitivity activity and assessed their implications to antihypersensitivity tolerance. Dezocine, given subcutaneously in spinal nerve-ligated neuropathic rats, time- and dose-dependently produced mechanical antiallodynia and thermal antihyperalgesia, significantly increased ipsilateral spinal norepinephrine and serotonin levels, and induced less antiallodynic tolerance than morphine...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28220483/pharmacokinetics-and-pharmacodynamics-of-metamizol-in-co-administration-with-morphine-under-acute-and-chronic-treatments-in-arthritic-rats
#20
Patricia Esmeralda Carrillo-Calzadilla, Francisco Javier López-Muñoz, Luis Alfonso Moreno-Rocha, José Raúl Medina-López, Alma Rosa Cortés-Arroyo, Adriana Miriam Domínguez-Ramírez
OBJECTIVE: To investigate the relationship between metamizol pharmacokinetics and the antinociceptive effect produced after subcutaneous administration of metamizol (177.8 mg/kg) alone or in combination with morphine (3.2 mg/kg), under acute and chronic treatments. METHODS: Antinociception was assessed using the pain-induced functional impairment model in rat (PIFIR). Serial blood samples were collected from the same animals to study the pharmacokinetics of metamizol...
June 2017: Journal of Pharmacy and Pharmacology
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