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Ketamine anxiety

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https://www.readbyqxmd.com/read/29313138/do-psychoactive-drugs-have-a-therapeutic-role-in-compulsivity-studies-on-schedule-induced-polydipsia
#1
Elena Martín-González, Ángeles Prados-Pardo, Santiago Mora, Pilar Flores, Margarita Moreno
RATIONALE: Clinical studies have shown that some psychoactive recreational drugs have therapeutic applications in anxiety, depression, and schizophrenia. However, to date, there are few studies on the therapeutic potential efficacy of recreational drugs in compulsive neuropsychiatric disorders. OBJECTIVES: We explored the therapeutic potential of different psychoactive and psychedelic drugs in a preclinical model of compulsive behavior. METHODS: Outbred male Wistar rats were selected as either high (HD) or low (LD) drinkers according to their behavior in schedule-induced polydipsia (SIP)...
January 8, 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29275607/-effect-of-perioperative-multi-day-low-dose-ketamine-infusion-on-prevention-of-postmastectomy-pain-syndrome
#2
Q B Lou, K Nan, F F Xiang, X Z Chen, W S Zhu, X T Zhang, J Li
Objective: To investigate the effects of multi-day low dose ketamine infusion for postmastectomy pain syndrome (PMPS) after breast cancer surgery. Methods: This study was a prospective randomized controlled trial. From June 2015 to May 2016 in Affiliated Yiwu Hospital of Wenzhou Medical University, 66 patients with breast cancer surgery were randomly divided into control group (group C) and ketamine group (group K). Patients in group K were infused with 0.5 mg/kg of ketamine mixed in 250 ml of 0.9% normal saline in 1 h daily for 7 days...
December 12, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29273457/the-effects-of-ketamine-on-sexual-behavior-anxiety-and-locomotion-in-female-rats
#3
Fay A Guarraci, Chantal M F Gonzalez, Devon Lucero, Paige D Womble, Heba Abdel-Rahim, Jennie DeVore, Marcela Nicole Kunkel, Emma Quadlander, Morgan Stinnett, Jessica Boyette-Davis
The present study characterized the effects of ketamine on sexual behavior and anxiety in female rats. In Experiment 1, female subjects received an injection of ketamine (10.0mg/kg) or saline 30min prior to a sexual partner-preference test during which each female subject was given the opportunity to interact with a female stimulus or a sexually vigorous male stimulus. Immediately afterwards, female subjects were tested for locomotion in an open field test. Ketamine-treated subjects spent significantly more time with the male stimulus than saline-treated subjects...
December 19, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29187151/pediatric-premedication-a-double-blind-randomized-trial-of-dexmedetomidine-or-ketamine-alone-versus-a-combination-of-dexmedetomidine-and-ketamine
#4
Hui Qiao, Zhi Xie, Jie Jia
BACKGROUND: Preoperative anxiety is common in pediatric patients. When dexmedetomidine is used alone for sedation as premedication, children tend to awaken when separated from their parents, and body movements occur during invasive procedures. We tested the hypothesis that the combination of dexmedetomidine and ketamine may be a useful premedication to alleviate preoperative anxiety and improve cooperation during intravenous cannulation in pediatric patients, while producing minimal adverse events...
November 29, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/29180675/protein-kinase-m%C3%AE-in-medial-prefrontal-cortex-mediates-depressive-like-behavior-and-antidepressant-response
#5
W Yan, J-F Liu, Y Han, W Zhang, Y-X Luo, Y-X Xue, W-L Zhu, C Yang, W-H Chen, H-L Guo, Y-N Ma, K Yuan, J-S Wang, J Shi, L Lu
Neuronal atrophy and alterations of synaptic structure and function in the medial prefrontal cortex (mPFC) have been implicated in the pathogenesis of depression, but the underlying molecular mechanisms are largely unknown. The protein kinase Mζ (PKMζ), a brain-specific atypical protein kinase C isoform, is important for maintaining long-term potentiation and storing memory. In the present study, we explored the role of PKMζ in mPFC in two rat models of depression, chronic unpredictable stress (CUS) and learned helplessness...
November 28, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/29171010/prenatal-exposure-to-ketamine-in-rats-implications-on-animal-models-of-schizophrenia
#6
Carlos M Coronel-Oliveros, Renny Pacheco-Calderón
Schizophrenia is a complex neuropsychiatric disorder characterized by hallucinations, delusions, anhedonia, flat affect and cognitive impairments. The aim of this study was to propose a prenatal treatment with ketamine, a psychedelic drug that acts as a non-competitive inhibitor of glutamate NMDA receptors, as a neurodevelopmental animal model of schizophrenia. The drug was applied (i.m. 60 mg.kg(-1)  h(-1) ) in pregnant Sprague-Dawley rats on gestational Day 14. Offspring behavior was studied on pubertal (4 weeks old) and adult (10 weeks old) stages...
November 24, 2017: Developmental Psychobiology
https://www.readbyqxmd.com/read/29170340/43%C3%A2-management-of-acute-low-back-pain-in-the-ed-a-systematic-review
#7
Jane Ashbrook, Nikos Rodgdakis, Peter Goodwin, Gill Yeowell, Michael Callaghan
STUDY OBJECTIVE: There is no consensus on the management of low back pain in the ED and evidence suggests that these patients are likely to receive unwarranted imaging and inappropriate opioid prescription.The purpose of this study is to review the available literature pertaining to the clinical management of acute low back pain in the ED. METHODS: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) and Realist And Meta-narrative Evidence Syntheses: Evolving Standards (RAMESES) guidelines were observed during this review...
December 2017: Emergency Medicine Journal: EMJ
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
#8
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 (NMDAR) 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--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 NMDAR agonists or antagonists such as D-cycloserine, ketamine, MK-801, kynurenic acid or ifenprodil...
November 1, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/29033296/a-comparison-of-headache-treatment-in-the-emergency-department-prochlorperazine-versus%C3%A2-ketamine
#9
Tony Zitek, Melanie Gates, Christopher Pitotti, Alexandria Bartlett, Jayme Patel, Aryan Rahbar, Wesley Forred, Joseph S Sontgerath, Jill M Clark
STUDY OBJECTIVE: Intravenous subdissociative-dose ketamine has been shown to be effective for pain management, but has not been specifically studied for headaches in the emergency department (ED). For this reason, we designed a study to compare standard treatment (prochlorperazine) with ketamine in patients with benign headaches in the ED. METHODS: This study was a multicenter, double-blind, randomized, controlled trial with a convenience sample of patients presenting to the ED with benign headaches...
October 13, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/29029537/the-synergistic-effect-of-dual-use-of-amphetamine-type-stimulants-and-ketamine-on-drug-induced-psychotic-symptoms-in-chinese-synthetic-drug-users
#10
Xue-Bing Liu, Yao Zhang, Xu-Yi Wang, Wei Hao
The use of amphetamine-type stimulants (ATS) and ketamine is of particular clinical concern because of its associated psychotic symptoms. In Chinese clinical practice, ATS and ketamine are commonly used simultaneously, but very few studies have reported the symptom profile of users who use both drugs. This study determined whether the combined use of ATS and ketamine is associated with more psychotic symptoms than either ATS or ketamine alone. According to drug use characteristics, 375 Chinese synthetic drug users were categorized into 2 pairs of comparison groups: ATS-only (n=125) vs...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28992364/behavioral-changes-in-children-after-emergency-department-procedural-sedation
#11
Jean I Pearce, David C Brousseau, Ke Yan, Keri R Hainsworth, Raymond G Hoffmann, Amy L Drendel
OBJECTIVE: The purpose of this study was to determine the proportion of children undergoing procedural sedation for fracture reduction in the emergency department (ED) observed to experience negative postdischarge behaviors. Predictors of negative behaviors were evaluated, including anxiety. METHODS: This was a prospective cohort study of children receiving intravenous ketamine sedation for ED fracture reduction. The child's anxiety prior to sedation was measured with the Modified Yale Preoperative Anxiety Scale...
October 9, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/28946059/pregabalin-as-adjunct-in-a-multimodal-pain-therapy-after-traumatic-foot-amputation-a-case-report-of-a-4-year-old-girl
#12
Stephanie Wössner, Kirsten Weber, Anna C Steinbeck, Markus Oberhauser, Matthias Feuerecker
BACKGROUND AND PURPOSE: The purpose of this case report is to describe a multimodal pain therapeutic concept including the adjunct use of pregabalin in a 4.5 year-old child after forefoot amputation. Phantom limb pain and sensation is a complex pain syndrome that is difficult to treat and prevent. 70-75% of all children develop such a pain syndrome after amputation. We describe here a paediatric patient who underwent forefoot amputation following traumatic foot injury and received multimodal pain therapy including pregabalin...
October 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/28928589/laparoscopic-cholecystectomy-under-segmental-thoracic-spinal-anesthesia-a-feasible-economical-alternative
#13
Aditya Kumar Kejriwal, Shaheen Begum, Gopal Krishan, Richa Agrawal
Laparoscopic surgery is normally performed under general anesthesia, but regional techniques like thoracic epidural and lumbar spinal have been emerging and found beneficial. We performed a clinical case study of segmental thoracic spinal anaesthesia in a healthy patient. We selected an ASA grade I patient undergoing elective laparoscopic cholecystectomy and gave spinal anesthetic in T10-11 interspace using 1 ml of bupivacaine 5 mg ml(-1) mixed with 0.5 ml of fentanyl 50 μg ml(-1). Other drugs were only given (systemically) to manage patient anxiety, pain, nausea, hypotension, or pruritus during or after surgery...
July 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28922961/effect-of-ketamine-dose-on-self-rated-dissociation-in-patients-with-treatment-refractory-anxiety-disorders
#14
Cameron Castle, Andrew Gray, Shona Neehoff, Paul Glue
Patients receiving ketamine for refractory depression and anxiety report dissociative symptoms in the first 60 min post-dose. The most commonly used instrument to assess this is the Clinician-Administered Dissociative States Scale (CADSS), developed based on the assessment of patients with dissociative symptoms. Its psychometric properties for ketamine-induced dissociation have not been reported. We evaluated these from a study using 0.25-1 mg/kg ketamine and midazolam (as an active control) in 18 patients with treatment-resistant anxiety...
October 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28866299/clinical-experience-using-intranasal-ketamine-in-the-longitudinal-treatment-of-juvenile-bipolar-disorder-with-fear-of-harm-phenotype
#15
Demitri Papolos, Mark Frei, Daniel Rossignol, Steven Mattis, Laura C Hernandez-Garcia, Martin H Teicher
OBJECTIVES: Fear of Harm (FOH) is a pediatric onset phenotype of bipolar disorder (BD) characterized by BD plus treatment resistance, separation anxiety, aggressive obsessions, parasomnias, and thermal dysregulation. Intranasal ketamine (InK) in 12 youths with BD-FOH produced marked improvement during a two-week trial. Here we report on the open effectiveness and safety of InK in maintenance treatment of BD-FOH from the private practice of one author. METHODS: As part of a chart review, patients 18 years or older and parents of younger children responded to a clinical effectiveness and safety survey...
January 1, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28853044/consensus-statement-for-clinical-pathway-development-for-perioperative-pain-management-and-care-transitions
#16
REVIEW
Alan D Kaye, Erik M Helander, Nalini Vadivelu, Leandro Lumermann, Thomas Suchy, Margaret Rose, Richard D Urman
The perioperative surgical home (PSH) model has been created with the intention to reduce costs and to improve efficiency of care and patient experience in the perioperative period. The PSH is a comprehensive model of care that is team-based and patient-centric. The team in each facility should be multidisciplinary and include the input of perioperative services leadership, surgical services, and support personnel in order to provide seamless care for the patient from the preoperative period when decision to undergo surgery is initially made to discharge and, if needed after discharge from the hospital, until full recovery is achieved...
December 2017: Pain and Therapy
https://www.readbyqxmd.com/read/28828210/short-and-long-term-antidepressant-effects-of-ketamine-in-a-rat-chronic-unpredictable-stress-model
#17
Yinghong Jiang, Yiqiang Wang, Xiaoran Sun, Bo Lian, Hongwei Sun, Gang Wang, Zhongde Du, Qi Li, Lin Sun
OBJECTIVE: This research was aimed to evaluate the behaviors of short- or long-term antidepressant effects of ketamine in rats exposed to chronic unpredictable stress (CUS). BACKGROUND: Ketamine, a glutamate noncompetitive NMDA receptor antagonist, regulates excitatory amino acid functions, such as anxiety disorders and major depression, and plays an important role in synaptic plasticity and learning and memory. METHODS: After 42 days of CUS model, male rats received either a single injection of ketamine (10 mg/kg; day 43) or 15 daily injections (days 43-75)...
August 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28728322/perioperative-hypertension-management-during-facelift-under-local-anesthesia-with-intravenous-hypnotics
#18
Ki Ho Chung, Myeong Soo Cho, Hoon Jin
Perioperative hypertension is a phenomenon in which a surgical patient's blood pressure temporarily increases throughout the preoperative and postoperative periods and remains high until the patient's condition stabilizes. This phenomenon requires immediate treatment not only because it is observed in a majority of patients who are not diagnosed with high blood pressure, but also because occurs in patients with underlying essential hypertension who show a sharp increase in their blood pressure. The most common complication following facelift surgery is hematoma, and the most critical risk factor that causes hematoma is elevated systolic blood pressure...
July 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28727180/why-was-a-local-anaesthetic-used-before-administering-intranasal-ketamine-for-paediatric-injuries
#19
Sabine Lemoine, Daniel Jost, Kilian Bertho, Jean Pierre Tourtier
We were very interested to read Scheier et al's brief report on the use of intranasal ketamine in their pediatric emergency department, specifically for pain and anxiety in children who had resisted venipuncture or intravenous placement (1). Intravenous access can be difficult for pre-hospital medical teams that are not specialised in paediatric care, namely when children complain of pain from, for example suspected fractures and burns. This article is protected by copyright. All rights reserved.
July 20, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28718892/methoxetamine-affects-brain-processing-involved-in-emotional-response-in-rats
#20
M T Zanda, P Fadda, S Antinori, M Di Chio, W Fratta, C Chiamulera, L Fattore
BACKGROUND AND PURPOSE: Methoxetamine (MXE) is a novel psychoactive substance that is emerging on the Internet and induces dissociative effects and acute toxicity. Its pharmacological effects have not yet been adequately investigated. EXPERIMENTAL APPROACH: We examined a range of behavioural effects induced by acute administration of MXE (0.5-5 mg·kg(-1) ; i.p.) in rats and whether it causes rapid neuroadaptive molecular changes. KEY RESULTS: MXE (0...
October 2017: British Journal of Pharmacology
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