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https://www.readbyqxmd.com/read/29145422/missense-mutation-at-cldn8-associated-with-a-high-plasma-interferon-gamma-inducible-protein-10-level-in-methadone-maintained-patients-with-urine-test-positive-for-morphine
#1
Tung-Hsia Liu, Ren-Hua Chung, Sheng-Chang Wang, Chiu-Ping Fang, Hsiao-Hui Tsou, Chia-Lung Shih, Hsiang-Wei Kuo, Yun Wang, Yu-Li Liu
We previously reported a high plasma chemokine interferon gamma-inducible protein 10 (IP-10) level and prolonged electrocardiography QT-interval in methadone maintenance treatment (MMT) patients with HIV or HCV infection. The purpose of this study was to evaluate the genetic association of high plasma IP-10 level in the MMT patients. The gene-based and pathway-based association analyses were conducted using a genome-wide association study dataset in 344 MMT patients for identifying genes and pathways associated with plasma IP-10 level...
2017: PloS One
https://www.readbyqxmd.com/read/29145417/associations-between-medical-cannabis-and-prescription-opioid-use-in-chronic-pain-patients-a-preliminary-cohort-study
#2
Jacob M Vigil, Sarah S Stith, Ian M Adams, Anthony P Reeve
BACKGROUND: Current levels and dangers of opioid use in the U.S. warrant the investigation of harm-reducing treatment alternatives. PURPOSE: A preliminary, historical, cohort study was used to examine the association between enrollment in the New Mexico Medical Cannabis Program (MCP) and opioid prescription use. METHODS: Thirty-seven habitual opioid using, chronic pain patients (mean age = 54 years; 54% male; 86% chronic back pain) enrolled in the MCP between 4/1/2010 and 10/3/2015 were compared to 29 non-enrolled patients (mean age = 60 years; 69% male; 100% chronic back pain)...
2017: PloS One
https://www.readbyqxmd.com/read/29145067/role-of-thalamic-ventral-posterolateral-nucleus-histamine-h2-and-opiate-receptors-in-modulation-of-formalin-induced-muscle-pain-in-rats
#3
Hamid Ghasemi, Esmaeal Tamaddonfard, Farhad Soltanalinejad
BACKGROUND: Histamine and opiate systems contribute to supraspinal processing of pain. In the present study, we investigated the effects of microinjection of histamine and agonists and antagonists of histamine H2 and opiate receptors into the thalamic ventral posterolateral nucleus on muscle pain in rats. METHODS: The thalamic ventral posterolateral nuclei were bilaterally implanted with two guide cannulas. Muscle pain was induced by intramuscular injection of a diluted formalin solution (2...
May 8, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29143401/assessment-of-risk-behaviors-in-patients-with-opioid-prescriptions-a-study-of-indiana-s-inspect-data
#4
Marion S Greene, Robert Andrew Chambers, Constantin T Yiannoutsos, Eric R Wright, Gregory K Steele, Terrell W Zollinger
BACKGROUND AND OBJECTIVES: Prescription Drug Monitoring Programs (PDMPs) can serve as screening tools and support the clinical decision-making process in patients receiving opioids. The objective of the study was to utilize 2014 INSPECT (Indiana's PDMP) data to identify factors that increase patients' likelihood to engage in opioid-related risk behaviors. METHODS: Based on a literature review, four risk behaviors were identified: Receiving >90 morphine milligram equivalents (MME), having >4 opioid prescribers, obtaining opioids from >4 pharmacies, and concurrent use of opioids and benzodiazepines...
November 16, 2017: American Journal on Addictions
https://www.readbyqxmd.com/read/29142890/comparing-the-effect-of-labetalol-versus-morphine-on-controlling-blood-pressure-and-pulse-rate-during-emergence-from-anesthesia-after-craniotomy
#5
Mohammadali Attari, Fatemeh Tayyari, Nafiseh Narimani
Background: Emergence from anesthesia is associated with sympathetic stimulation, increase in pulse and blood pressure. There are different methods, but the most appropriate method should be selected regarding the differences in nationalities. This study aimed to compare the efficacy of morphine and labetalol in controlling blood pressure and pulse during emergence from anesthesia in brain tumors craniotomy. Materials and Methods: This study was conducted at Al-Zahra Hospital of Isfahan - Iran on 60 patients suffering from brain tumor candidated for craniotomy and randomly classified into two groups of 30...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29142478/chronic-opioids-in-gastroparesis-relationship-with-gastrointestinal-symptoms-healthcare-utilization-and-employment
#6
Asad Jehangir, Henry P Parkman
AIM: To examine the relationship of chronic scheduled opioid use on symptoms, healthcare utilization and employment in gastroparesis (Gp) patients. METHODS: Patients referred to our tertiary care academic center from May 2016 to July 2017, with established diagnosis or symptoms suggestive of Gp filled out the Patient Assessment of Upper GI Symptoms, abdominal pain and demographics questionnaires, and underwent gastric emptying and blood tests. They were asked about taking pain medicines and the types, doses, and duration...
October 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29140959/comparison-of-continuous-proximal-versus-distal-adductor-canal-blocks-for-total-knee-arthroplasty-a-randomized-double-blind-noninferiority-trial
#7
Adam W Meier, David B Auyong, Stanley C Yuan, Shin-E Lin, James M Flaherty, Neil A Hanson
BACKGROUND AND OBJECTIVES: Adductor canal blocks (ACBs) are associated with improved analgesia, preserved quadriceps strength, and decreased length of hospitalization after total knee arthroplasty (TKA). However, controversy remains regarding the ideal location of a continuous block within the adductor canal, and it remains unclear whether similar clinical benefits are obtained irrespective of block location. In this randomized, double-blind, noninferiority study, we hypothesized that a continuous proximal ACB provides postoperative analgesia that is no worse than a continuous distal ACB...
November 14, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29139592/single-dose-systemic-acetaminophen-to-improve-patient-reported-quality-of-recovery-after-ambulatory-segmental-mastectomy-a-prospective-randomized-double-blinded-placebo-controlled-clinical-trial
#8
Gildasio S De Oliveira, Meghan E Rodes, Jane Bialek, Mark C Kendall, Robert J McCarthy
Few systemic drug interventions are efficacious to improve patient reported quality of recovery after ambulatory surgery. We aimed to evaluate whether a single dose systemic acetaminophen improve quality of recovery in female patients undergoing ambulatory breast surgery. We hypothesized that patients receiving a single dose systemic acetaminophen at the end of the surgical procedure would have a better global quality of postsurgical recovery compared to the ones receiving saline. The study was a prospective randomized double blinded, placebo controlled, clinical trial...
November 15, 2017: Breast Journal
https://www.readbyqxmd.com/read/29138593/intrathecal-pain-management-a-team-based-approach
#9
REVIEW
Jeremy A Adler, Neona M Lotz
Objective: Physician assistants (PAs), nurse practitioners (NPs), and registered nurses (RNs) provide professional services on pain management teams. This review provides an overview of the practical management of chronic pain with intrathecal (IT) therapy using an interprofessional approach (eg, physicians and other health care professionals), with a focus on the contributions of PAs, NPs, and RNs. Methods: Narrative review based on literature searches of the Medline database and treatment guidelines on the use of IT therapy in the management of patients with chronic pain...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29138592/dose-related-beneficial-and-harmful-effects-of-gabapentin-in-postoperative-pain-management-post-hoc-analyses-from-a-systematic-review-with-meta-analyses-and-trial-sequential-analyses
#10
REVIEW
Maria Louise Fabritius, Jørn Wetterslev, Ole Mathiesen, Jørgen B Dahl
Background: During the last 15 years, gabapentin has become an established component of postoperative pain treatment. Gabapentin has been employed in a wide range of doses, but little is known about the optimal dose, providing the best balance between benefit and harm. This systematic review with meta-analyses aimed to explore the beneficial and harmful effects of various doses of gabapentin administered to surgical patients. Materials and methods: Data in this paper were derived from an original review, and the subgroup analyses were predefined in an International Prospective Register of Systematic Reviews published protocol: PROSPERO (ID: CRD42013006538)...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29137290/expression-of-protein-kinase-a-and-the-kappa-opioid-receptor-in-selected-brain-regions-and-conditioned-place-aversion-in-morphine-dependent-rats
#11
Xiuhua Song, Wenqiang Li, Yuzhong Shi, Jingdan Zhang, Yi Li
This study examined adaptive changes in protein kinase A (PKA) and kappa opioid receptor (KOR) in selected addiction-related brain regions before and after conditioned place aversion (CPA). Seventy-two male SD rats were randomly assigned to an experimental group (morphine + naloxone, "MN") and 2 control groups: MS (morphine + saline) and SN (saline + naloxone). MN rats were intraperitoneally injected with morphine twice per day for 6.5 days and naloxone once and trained to establish CPA model. MS and SN rats were injected with equivalent volumes of morphine plus saline and saline plus naloxone, respectively...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135590/the-analgesic-effect-of-ultrasound-guided-quadratus-lumborum-block-after-cesarean-delivery-a-randomized-clinical-trial
#12
Anders Krohg, Kyrre Ullensvang, Leiv Arne Rosseland, Eldrid Langesæter, Axel R Sauter
BACKGROUND: Landmark and ultrasound-guided transversus abdominis plane blocks have demonstrated an opioid-sparing effect postoperatively after cesarean delivery. The more posterior quadratus lumborum (QL) might provide superior local anesthetic spread to the thoracolumbar fascia and paravertebral space. The aim of our study was to evaluate the efficacy of the QL block after cesarean delivery. METHODS: A randomized, double-blind, controlled trial was performed. Forty parturients undergoing cesarean delivery received bilateral ultrasound-guided QL blocks with either 2 mg/mL ropivacaine or saline postoperatively...
November 10, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29135475/using-activity-trackers-to-quantify-postpartum-ambulation-a-prospective-observational-study-of-ambulation-after-regional-anesthesia-and-analgesia-interventions
#13
Julia Ma, Rachel Martin, Bokman Chan, Michael Gofeld, Michael P Geary, John G Laffey, Faraj W Abdallah
BACKGROUND: Early postoperative ambulation is associated with enhanced functional recovery, particularly in the postpartum population, but ambulation questionnaires are limited by recall bias. This observational study aims to objectively quantify ambulation after neuraxial anesthesia and analgesia for cesarean delivery and vaginal delivery, respectively, by using activity tracker technology. The hypothesis was that vaginal delivery is associated with greater ambulation during the first 24 h postdelivery, compared to cesarean delivery...
November 14, 2017: Anesthesiology
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
#14
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/29134638/inhibition-of-acid-sensing-ion-channels-by-diminazene-and-apetx2-evoke-partial-and-highly-variable-antihyperalgesia-in-a-rat-model-of-inflammatory-pain
#15
Jia Yu Peppermint Lee, Natalie J Saez, Ben Cristofori-Armstrong, Raveendra Anangi, Glenn F King, Maree T Smith, Lachlan D Rash
BACKGROUND AND PURPOSE: Acid-sensing ion channels (ASICs) are primary acid sensors in mammals, with the ASIC1b and ASIC3 subtypes being involved in peripheral nociception. The antiprotozoal drug diminazene is a moderately potent ASIC inhibitor but its analgesic activity has not been assessed. EXPERIMENTAL APPROACH: We determined the ASIC subtype selectivity of diminazene and the mechanism by which it inhibits ASICs using voltage-clamp electrophysiology of Xenopus oocytes expressing ASICs 1-3...
November 14, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29134077/investigation-of-the-acid-base-behaviour-of-the-opium-alkaloid-thebaine-in-lc-esi-ms-mobile-phase-by-nmr-spectroscopy
#16
Michelle G Carlin, John R Dean, Jonathan L Bookham, Justin J B Perry
As part of a research programme to establish an analytical method for the simultaneous detection of the five major opium alkaloids in poppy seeds by liquid chromatography-electrospray ionization-mass spectrometry (LC-ESI-MS) it was discovered that the inclusion of thebaine produced two peaks for the same compound. This was in contrast to the effective simultaneous detection, by LC-ESI-MS, of morphine, codeine, papaverine and noscapine. The presence of these two peaks for thebaine was investigated using nuclear magnetic resonance spectroscopy with deuterated solvents to emulate the mobile phase conditions experienced...
October 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/29133240/prediction-of-human-cns-pharmacokinetics-using-a-physiologically-based-pharmacokinetic-modeling-approach
#17
Yumi Yamamoto, Pyry A Välitalo, Yin Cheong Wong, Dymphy R Huntjens, Johannes H Proost, An Vermeulen, Walter Krauwinkel, Margot W Beukers, Hannu Kokki, Merja Kokki, Meindert Danhof, Johan G C van Hasselt, Elizabeth C M de Lange
Knowledge of drug concentration-time profiles at the central nervous system (CNS) target-site is critically important for rational development of CNS targeted drugs. Our aim was to translate a recently published comprehensive CNS physiologically-based pharmacokinetic (PBPK) model from rat to human, and to predict drug concentration-time profiles in multiple CNS compartments on available human data of four drugs (acetaminophen, oxycodone, morphine and phenytoin). Values of the system-specific parameters in the rat CNS PBPK model were replaced by corresponding human values...
November 10, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29133161/the-efficacy-of-high-volume-of-local-infiltration-analgesia-for-postoperative-pain-relief-after-total-hip-arthroplasty-under-general-anaesthesia-a-randomised-controlled-trial
#18
Saskia Titman, Ami Hommel, Igor Dobrydnjov, Anders Johansson
BACKGROUND AND AIM: Research regarding patients undergoing total hip arthroplasty (THA) has shown no significant difference in postoperative pain with or without the use of local infiltration analgesia (LIA). The aim was to evaluate whether intra-operative LIA with Ropivacaine in patients undergoing THA under general anaesthesia reduces postoperative pain. METHOD: A randomised, placebo-controlled trial. Forty patients undergoing elective primary THA under general anaesthesia were allocated to an intervention group (RG) who received 150 ml of LIA or a placebo group (CG) who received 150 ml of saline solution...
October 31, 2017: International Journal of Orthopaedic and Trauma Nursing
https://www.readbyqxmd.com/read/29131433/suppressive-effects-of-morphine-injected-into-the-ventral-bed-nucleus-of-the-stria-terminalis-on-the-affective-but-not-sensory-component-of-pain-in-rats
#19
Chikashi Maruyama, Satoshi Deyama, Yusuke Nagano, Soichiro Ide, Katsuyuki Kaneda, Mitsuhiro Yoshioka, Masabumi Minami
Pain is a complex experience with both sensory and affective components. Clinical and preclinical studies have shown that the affective component of pain can be reduced by doses of morphine lower than those necessary to reduce the sensory component. Although the neural mechanisms underlying the effects of morphine on the sensory component of pain have been investigated extensively, those influencing the affective component remain to be elucidated. The bed nucleus of the stria terminalis (BNST) has been implicated in the regulation of various negative emotional states, including aversion, anxiety, and fear...
November 13, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29129606/transgenerational-blunting-of-morphine-induced-corticosterone-secretion-is-associated-with-dysregulated-gene-expression-in-male-offspring
#20
Fair M Vassoler, Anika M Toorie, Elizabeth M Byrnes
A number of parental experiences, even when occurring prior to conception, have been shown to induce transgenerational effects beyond the first generation. In the case of exposure to drugs of abuse, studies in rodents suggest that offspring demonstrate significant differences in how they respond to the drug to which their parent was exposed. We have previously observed significant alterations in morphine analgesia, conditioned place preference and self-administration in the offspring of females exposed to morphine during adolescent development...
November 9, 2017: Brain Research
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