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https://www.readbyqxmd.com/read/29739543/special-indications-for-opioid-free-anaesthesia-and-analgesia-patient-and-procedure-related-including-obesity-sleep-apnoea-chronic-obstructive-pulmonary-disease-complex-regional-pain-syndromes-opioid-addiction-and-cancer-surgery
#1
REVIEW
Adrian Sultana, David Torres, Roman Schumann
Opioid-free anaesthesia (OFA) is a technique where no intraoperative systemic, neuraxial or intracavitary opioid is administered with the anaesthetic. Opioid-free analgesia similarly avoids opioids in the perioperative period. There are many compelling reasons to avoid opioids in the surgical population. A number of case reports and, increasingly, prospective studies from all over the world support its benefits, especially in the morbidly obese population with or without sleep apnoea. A derivative technique is opioid sparing, where the same techniques are used but some opioid use is allowed...
December 2017: Best Practice & Research. Clinical Anaesthesiology
https://www.readbyqxmd.com/read/29716637/is-intravenously-administered-subdissociative-dose-ketamine-non-inferior-to-morphine-for-prehospital-analgesia-the-ketamorph-study-study-protocol-for-a-randomized-controlled-trial
#2
Clément Le Cornec, Said Lariby, Vivien Brenckmann, Jean Benoit Hardouin, Claude Ecoffey, Marion Le Pottier, Philippe Fradin, Hélène Broch, Amine Kabbaj, Yannick Auffret, Florence Deciron, Céline Longo, François Javaudin, Quentin Le Bastard, Joël Jenvrin, Emmanuel Montassier
BACKGROUND: Acute pain is a common condition among prehospital patients and prompt management is pivotal. Opioids are the most frequently analgesics used in the prehospital setting. However, opioids are highly addictive, and some patients may develop opioid dependence, even when they are exposed to brief opioid treatments. Therefore, alternative non-opioid analgesia should be developed to manage pain in the prehospital setting. Used at subdissociative doses, ketamine, a noncompetitive N-methyl-D-aspartate and glutamate receptor antagonist, provides analgesic effects accompanied by preservation of protective airway reflexes...
May 2, 2018: Trials
https://www.readbyqxmd.com/read/29576706/rhynchophylline-downregulates-phosphorylated-camp-response-element-binding-protein-nuclear-receptor-related-1-and-brain-derived-neurotrophic-factor-expression-in-the-hippocampus-of-ketamine-induced-conditioned-place-preference-rats
#3
Youli Guo, Chaohua Luo, Genghong Tu, Chan Li, Yi Liu, Wei Liu, Ken Kin Lam Yung, Zhixian Mo
Background: Addiction to ketamine is becoming a serious public health issues, for which there exists no effective treatment. Rhynchophylline (Rhy) is an alkaloid extracted from certain Uncaria species that is well known for both its potent anti-addictive and neuroprotective properties. Increasing evidence supports the contributions of cAMP response element binding protein (CREB), nuclear receptor-related-1 (Nurr1), and brain-derived neurotrophic factor (BDNF) in modulating neural and behavioral plasticity which was induced by addictive drugs...
January 2018: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29545857/expression-of-micrornas-in-the-serum-exosomes-of-methamphetamine-dependent-rats-vs-ketamine-dependent-rats
#4
Hancheng Li, Chan Li, Yuting Zhou, Chaohua Luo, Jingying Ou, Jing Li, Zhixian Mo
Drug abuse is a public health and social problem. A number of studies have reported that drug addiction is associated with microRNAs (miRNAs). By comparing the expression of miRNAs in the serum exosomes of methamphetamine-dependent and ketamine-dependent rats, the aim of the present study was to provide insights into the miRNA-mediated associations between the two groups. Published results on conditioned place preference (CPP) in rats conditioned by methamphetamine and ketamine were replicated. The expression of miRNAs in serum exosomes were determined by gene-chip sequencing...
April 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29512789/protective-effects-of-tetrahydropalmatine-against-ketamine-induced-learning-and-memory-injury-via-antioxidative-anti-inflammatory-and-anti-apoptotic-mechanisms-in-mice
#5
Yonglai Zhang, Rui Sha, Kaiguo Wang, Hao Li, Bo Yan, Naibao Zhou
Tetrahydropalmatine exerts numerous pharmacological activities, including analgesic and narcotic effects; anti-arrhythmic, blood pressure lowering and cardioprotective effects; protective effects against cerebral ischemia-reperfusion injury; inhibition of platelet aggregation; prevention of ulcerative diseases and inhibition of gastric acid secretion; antitumor effects; and beneficial effects on the withdrawal symptoms associated with drug addiction. The present study aimed to investigate the protective effects of tetrahydropalmatine against ketamine‑induced learning and memory impairment in mice...
May 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29476799/effects-of-rhynchophylline-on-the-hippocampal-mirna-expression-profile-in-ketamine-addicted-rats
#6
Chan Li, Genghong Tu, Chaohua Luo, Youli Guo, Miao Fang, Chen Zhu, Hancheng Li, Jinying Ou, Yuting Zhou, Wei Liu, Ken Kin Lam Yung, Zhixian Mo
In the past few years, ketamine, a noncompetitive NMDA antagonist, has been widely abused worldwide as a new type of synthetic drug, severely affecting the physical and mental health of ketamine abusers. Previous studies have suggested that rhynchophylline can alleviate drug abuse and reverse the conditioned place preference caused by the abuse. MicroRNAs (miRNAs) are important factors regulating gene expression and are involved in the drug addiction process. The hippocampus is a critical area in the brain involved in causing drug addiction...
February 22, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29472839/ketamine-modulates-zic5-expression-via-the-notch-signaling-pathway-in-neural-crest-induction
#7
Yu Shi, Jiejing Li, Chunjiang Chen, Yongwu Xia, Yanxi Li, Pan Zhang, Ying Xu, Tingyu Li, Weihui Zhou, Weihong Song
Ketamine is a potent dissociative anesthetic and the most commonly used illicit drug. Many addicts are women at childbearing age. Although ketamine has been extensively studied as a clinical anesthetic, its effects on embryonic development are poorly understood. Here, we applied the Xenopus model to study the effects of ketamine on development. We found that exposure to ketamine from pre-gastrulation (stage 7) to early neural plate (stage 13.5) resulted in disruption of neural crest (NC) derivatives. Ketamine exposure did not affect mesoderm development as indicated by the normal expression of Chordin, Xbra, Wnt8, and Fgf8...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29339294/ketamine-for-the-treatment-of-addiction-evidence-and-potential-mechanisms
#8
REVIEW
I Ivan Ezquerra-Romano, W Lawn, E Krupitsky, C J A Morgan
Ketamine is a dissociative anaesthetic drug which acts on the central nervous system chiefly through antagonism of the n-methyl-d-aspartate (NMDA) receptor. Recently, ketamine has attracted attention as a rapid-acting anti-depressant but other studies have also reported its efficacy in reducing problematic alcohol and drug use. This review explores the preclinical and clinical research into ketamine's ability to treat addiction. Despite methodological limitations and the relative infancy of the field, results thus far are promising...
January 12, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29339170/sub-anesthetic-doses-of-ketamine-attenuate-nicotine-self-administration-in-rats
#9
Amir H Rezvani, Yousef Tizabi, Susan Slade, Bruk Getachew, Edward D Levin
Smoking cessation strategies are of prime medical importance. Despite availability of various pharmacological agents in combating addiction to nicotine, more effective medications are needed. Based on recent findings, the glutamatergic system in the brain may provide novel targets. Here, we evaluated the effects of acute administration of sub-anesthetic doses of ketamine, an NMDA receptor antagonist, in both male and female Sprague-Dawley rats trained to self-administer nicotine. Animals were injected subcutaneously with 5, 7...
March 6, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29099938/nyx-2925-is-a-novel-nmda-receptor-specific-spirocyclic-%C3%AE-lactam-that-modulates-synaptic-plasticity-processes-associated-with-learning-and-memory
#10
M Amin Khan, David R Houck, Amanda L Gross, Xiao-Lei Zhang, Cassia Cearley, Torsten M Madsen, Roger A Kroes, Patric K Stanton, Jeffrey Burgdorf, Joseph R Moskal
Background: N-methyl-D-aspartate receptors are one member of a family of ionotropic glutamate receptors that play a pivotal role in synaptic plasticity processes associated with learning and have become attractive therapeutic targets for diseases such as depression, anxiety, schizophrenia, and neuropathic pain. NYX-2925 ((2S, 3R)-3-hydroxy-2-((R)-5-isobutyryl-1-oxo-2,5-diazaspiro[3.4]octan-2-yl)butanamide) is one member of a spiro-β-lactam-based chemical platform that mimics some of the dipyrrolidine structural features of rapastinel (formerly GLYX-13: threonine-proline-proline-threonine) and is distinct from known N-methyl-D-aspartate receptor agonists or antagonists such as D-cycloserine, ketamine, MK-801, kynurenic acid, or ifenprodil...
March 1, 2018: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28966667/changes-to-the-bladder-epithelial-barrier-are-associated-with-ketamine-induced-cystitis
#11
Qixin Duan, Tianpeng Wu, Xiaochun Yi, Lingqi Liu, Jiantao Yan, Zhongjie Lu
The aim of the present study was to investigate the changes of the bladder epithelial barrier in the pathogenesis of ketamine-induced cystitis (KIC). A total of 60 female mice were randomly allocated into control and ketamine groups, which received daily intraperitoneal injections of saline and ketamine, respectively. Micturition behavior was recorded in 2-h intervals at the end of 4, 8 and 12 weeks, and bladders were harvested for subsequent analyses. Routine hematoxylin and eosin staining was performed on the bladders and histopathological changes were analyzed using light microscopy...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28948570/ketamine-self-administration-elevates-%C3%AE-camkii-autophosphorylation-in-mood-and-reward-related-brain-regions-in-rats
#12
Lucia Caffino, Alessandro Piva, Francesca Mottarlini, Marzia Di Chio, Giuseppe Giannotti, Cristiano Chiamulera, Fabio Fumagalli
Modulation of αCaMKII expression and phosphorylation is a feature shared by drugs of abuse with different mechanisms of action. Accordingly, we investigated whether αCaMKII expression and activation could be altered by self-administration of ketamine, a non-competitive antagonist of the NMDA glutamate receptor, with antidepressant and psychotomimetic as well as reinforcing properties. Rats self-administered ketamine at a sub-anesthetic dose for 43 days and were sacrificed 24 h after the last drug exposure; reward-related brain regions, such as medial prefrontal cortex (PFC), ventral striatum (vS), and hippocampus (Hip), were used for the measurement of αCaMKII-mediated signaling...
September 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28807162/chinese-herbal-medicine-for-the-treatment-of-drug-addiction
#13
Weili Zhu, Yinan Zhang, Yingjie Huang, Lin Lu
This chapter summarizes recent developments in preclinical and clinical research on Chinese herbal medicines and their neurochemical mechanism of action for the treatment of drug addiction. We searched Chinese and English scientific literature and selected several kinds of Chinese herbal medicines that have beneficial effects on drug addiction. Ginseng (Renshen) may be clinically useful for the prevention of opioid abuse and dependence. Rhizoma Corydalis (Yanhusuo) may be used to prevent relapse to chronic drug dependence...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28534828/how-ketamine-affects-livers-of-pregnant-mice-and-developing-mice
#14
Hoi Man Cheung, Tony Chin Hung Chow, David Tai Wai Yew
It is well known that ketamine abuse can induce liver damage in adult addicts, but the effects of ketamine abuse in pregnant mothers on their offspring have received less attention. In this study, we investigated the effects of 5-day ketamine injections (30 mg/kg) to pregnant Institute for Cancer Research (ICR) mice during early gestation or mid-gestation on the aspartate aminotransferase (AST) and alkaline phosphatase (ALP) activities of the mothers and the offspring. We also looked into whether administering ketamine treatment to the mothers had any effects on the extent of fibrosis, cell proliferation and cell death in the livers of the newborns...
May 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28479397/locomotor-sensitization-to-intermittent-ketamine-administration-is-associated-with-nucleus-accumbens-plasticity-in-male-and-female-rats
#15
C E Strong, K J Schoepfer, A M Dossat, S K Saland, K N Wright, M Kabbaj
Clinical evidence suggests superior antidepressant response over time with a repeated, intermittent ketamine treatment regimen as compared to a single infusion. However, the club drug ketamine is commonly abused. Therefore, the abuse potential of repeated ketamine injections at low doses needs to be investigated. In this study, we investigated the abuse potential of repeated exposure to either 0, 2.5, or 5 mg/kg ketamine administered once weekly for seven weeks. Locomotor activity and conditioned place preference (CPP) were assayed to evaluate behavioral sensitization to the locomotor activating effects of ketamine and its rewarding properties, respectively...
July 15, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28442368/differences-between-adolescents-and-adults-in-the-acute-effects-of-pcp-and-ketamine-and-in-sensitization-following-intermittent-administration
#16
Angelica Rocha, Nigel Hart, Keith A Trujillo
Adolescence is a phase of development during which many physiological and behavioral changes occur, including increased novelty seeking and risk taking. In humans, this is reflected in experimentation with drugs. Research demonstrates that drug use that begins during adolescence is more likely to lead to addiction than drug use that begins later in life. Despite this, relatively little is known of the effects of drugs in adolescence, and differences in response between adolescents and adults. PCP and ketamine are popular club drugs, both possessing rewarding properties that could lead to escalating use...
June 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28421529/suppression-of-methamphetamine-self-administration-by-ketamine-pre-treatment-is-absent-in-the-methylazoxymethanol-mam-rat-model-of-schizophrenia
#17
Jana Ruda-Kucerova, Zuzana Babinska, Tibor Stark, Vincenzo Micale
Ketamine may prove to be a potential candidate in treating the widespread drug addiction/substance abuse epidemic among patients with schizophrenia. Clinical studies have shown ketamine to reduce cocaine and heroin cravings. However, the use of ketamine remains controversial as it may exacerbate the symptoms of schizophrenia. Therefore, the aim of this study is to characterize the effects of ketamine on drug addiction in schizophrenia using the methylazoxymethanol (MAM) acetate rat model on operant IV methamphetamine (METH) self-administration...
July 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28376226/urinary-concentrations-of-topically-administered-pain-medications
#18
Michele A Glinn, Andrew J Lickteig, Luke Weber, Sherri Recer, Matthew Salske, Audrey Harvey, Brian Rappold, Julie Stensland, Patrick Bell
A common treatment for chronic pain is prescription of analgesics, but their long-term use entails risk of morbidity, addiction and misuse. One way to reduce the risk of abuse is prescribing of analgesics in a topical form. Physicians are urged to perform urine drug testing to ensure that patients are compliant with their medication regimens. However, there is little data on the efficiency of transdermal delivery for many analgesic drugs, and no data on expected urine drug levels. This study includes data from over 29,000 specimens tested for gabapentin, ketamine, cyclobenzaprine or amitriptyline used orally or topically...
March 1, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28257514/analysis-of-print-news-media-framing-of-ketamine-treatment-in-the-united-states-and-canada-from-2000-to-2015
#19
Melvyn W B Zhang, Ying X Hong, Syeda F Husain, Keith M Harris, Roger C M Ho
OBJECTIVES: There are multifaceted views on the use of ketamine, a potentially addictive substance, to treat mental health problems. The past 15 years have seen growing media coverage of ketamine for medical and other purposes. This study examined the print news media coverage of medical and other uses of ketamine in North America to determine orientations and trends over time. METHODS: Print newspaper coverage of ketamine from 2000 to 2015 was reviewed, resulting in 43 print news articles from 28 North American newspapers...
2017: PloS One
https://www.readbyqxmd.com/read/28251524/pain-management-of-patients-with-substance-abuse-in-the-ambulatory-setting
#20
REVIEW
Nalini Vadivelu, Alice M Kai, Vijay Kodumudi, Richard Zhu, Roberta Hines
PURPOSE OF REVIEW: Abuse of illicit substances and prescription opioids is a growing problem that presents challenges for pain management in the inpatient and outpatient setting. With future patient care models shifting toward shorter hospital stays and more same-day surgeries, it is crucial that clinicians learn to manage this patient population and strike a balance between the overtreatment of pain that can subsequently worsen tolerance and addiction, and the undertreatment of pain that can lead to pseudoaddiction...
February 2017: Current Pain and Headache Reports
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