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https://www.readbyqxmd.com/read/28442956/a-comparison-between-intravenous-lidocaine-and-ketamine-on-acute-and-chronic-pain-after-open-nephrectomy-a-prospective-double-blind-randomized-placebo-controlled-study
#1
Ali Jendoubi, Imed Ben Naceur, Abderrazak Bouzouita, Mehdi Trifa, Salma Ghedira, Mohamed Chebil, Mohamed Houissa
BACKGROUND: Recently, there has been increasing interest in the use of analgesic adjuncts such as intravenous (IV) ketamine and lidocaine. OBJECTIVES: To compare the effects of perioperative IV lidocaine and ketamine on morphine requirements, pain scores, quality of recovery, and chronic pain after open nephrectomy. STUDY DESIGN: A prospective, randomized, placebo-controlled, double-blind trial. SETTINGS: The study was conducted in Charles Nicolle University Hospital of Tunis...
April 2017: Saudi Journal of Anaesthesia
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
#2
Angelica Rocha, Nigel Hart, Keith 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...
April 22, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28442143/polypropylene-mesh-seeded-with-fibroblasts-a-new-approach-for-the-repair-of-abdominal-wall-defects-in-rats
#3
A Mohsina, Naveen Kumar, A K Sharma, Sameer Shrivastava, Dayamon D Mathew, V Remya, Sonal, S K Maiti, Kiranjeet Singh, K P Singh
PURPOSE: The purpose of study was to develop bioengineered scaffolds by seeding primary mouse embryo fibroblast cells (p-MEF) on polypropylene mesh and to test its efficacy for the repair of abdominal wall defects in rats. METHODS: The study was conducted on 18 clinically healthy adult Wistar rats of either sex. The animals were randomly divided into two equal groups having nine animals in each group. In both the groups a 20mm×20mm size full thickness muscle defect was created under xylazine and ketamine anesthesia in the mid-ventral abdominal wall...
April 17, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28441895/ketamine-s-dose-related-effects-on-anxiety-symptoms-in-patients-with-treatment-refractory-anxiety-disorders
#4
Paul Glue, Natalie J Medlicott, Sarah Harland, Shona Neehoff, Bridie Anderson-Fahey, Martin Le Nedelec, Andrew Gray, Neil McNaughton
The N-methyl-D-aspartate receptor antagonist ketamine has rapid onset activity in treatment-resistant depression, post-traumatic stress disorder and obsessive compulsive disorder. Due to similarities in brain network activity in depression and anxiety disorders, we hypothesized that ketamine might also be active in other refractory anxiety disorders. We evaluated the efficacy and safety of ketamine in 12 patients with refractory generalized anxiety disorder and/or social anxiety disorder who were not currently depressed, using an ascending single dose study design (0...
April 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28439922/illicit-drug-use-among-new-zealand-gay-and-bisexual-men-prevalence-and-association-with-sexual-health-behaviours
#5
Peter Saxton, David Newcombe, Arslan Ahmed, Nigel Dickson, Anthony Hughes
INTRODUCTION AND AIMS: Data are lacking on drug use among gay and bisexual men (GBM) in New Zealand. We establish a baseline estimate of drug use and investigate associations with sexual health and HIV risk. DESIGN AND METHODS: A cross-sectional survey of GBM was conducted in gay community settings and online. Participants were asked their frequency of using nine drugs (poppers, cannabis, ecstasy, methamphetamine, amphetamine, cocaine, LSD, gamma hydroxybutyrate and ketamine) in the previous 6 months...
April 25, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28438647/effects-of-bms-902483-an-%C3%AE-7-nicotinic-acetylcholine-receptor-partial-agonist-on-cognition-and-sensory-gating-in-relation-to-receptor-occupancy-in-rodents
#6
Rick L Pieschl, Regina Miller, Kelli M Jones, Debra J Post-Munson, Ping Chen, Kimberly Newberry, Yulia Benitex, Thaddeus Molski, Daniel Morgan, Ivar M McDonald, John E Macor, Richard E Olson, Yukiko Asaka, Siva Digavalli, Amy Easton, James Herrington, Ryan S Westphal, Nicholas J Lodge, Robert Zaczek, Linda J Bristow, Yu-Wen Li
The α7 nicotinic acetylcholine receptor is thought to play an important role in human cognition. Here we describe the in vivo effects of BMS-902483, a selective potent α7 nicotinic acetylcholine receptor partial agonist, in relationship to α7 nicotinic acetylcholine receptor occupancy. BMS-902483 has low nanomolar affinity for rat and human α7 nicotinic acetylcholine receptors and elicits currents in cells expressing human or rat α7 nicotinic acetylcholine receptors that are about 60% of the maximal acetylcholine response...
April 21, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28438555/amygdala-activity-associated-with-social-choice-in-mice
#7
Takuma Mihara, Kobina Mensah-Brown, Rosanna Sobota, Robert Lin, Robert Featherstone, Steven J Siegel
Studies suggest that the amygdala is a key region for regulation of anxiety, fear and social function. Therefore, dysfunction of the amygdala has been proposed as a potential mechanism for negative symptoms in schizophrenia. This may be due to NMDA receptor-mediated hypofunction, which is thought to be related to the pathogenesis of schizophrenia. In this study, electroencephalographic amygdala activity was assessed in mice during the three-chamber social test. This activity was also evaluated following exposure to the NMDA receptor antagonist ketamine...
April 21, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28438466/the-effect-of-n-acetylcysteine-nac-on-human-cognition-a-systematic-review
#8
REVIEW
David R Skvarc, Olivia M Dean, Linda K Byrne, Laura Gray, Stephen Lane, Matthew Lewis, Brisa S Fernandes, Michael Berk, Andrew Marriott
Oxidative stress, neuroinflammation and neurogenesis are commonly implicated as cognitive modulators across a range of disorders. N-acetylcysteine (NAC) is a glutathione precursor with potent antioxidant, pro-neurogenesis and anti-inflammatory properties and a favourable safety profile. A systematic review of the literature specifically examining the effect of NAC administration on human cognition revealed twelve suitable articles for inclusion: four examining Alzheimer's disease; three examining healthy participants; two examining physical trauma; one examining bipolar disorder, one examining schizophrenia, and one examining ketamine-induced psychosis...
April 21, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28435316/subanesthetic-ketamine-for-pain-management-in-hospitalized-children-adolescents-and-young-adults-a-single-center-cohort-study
#9
Kathy A Sheehy, Caroline Lippold, Amy L Rice, Raissa Nobrega, Julia C Finkel, Zenaide Mn Quezado
BACKGROUND: Subanesthetic doses of ketamine, an N-methyl-d-aspartate receptor antagonist used as an adjuvant to opioid for the treatment of pain in adults with acute and chronic pain, have been shown, in some instances, to improve pain intensity and to decrease opioid intake. However, less is known about the role of ketamine in pain management in children, adolescents, and young adults. PURPOSE: We examined the effects of subanesthetic ketamine on pain intensity and opioid intake in children, adolescents, and young adults with acute and chronic pain syndromes treated in an inpatient setting...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28434770/acute-pulmonary-edema-associated-with-ketamine-use-in-a-patient-with-coronary-artery-disease
#10
Georges Mion
No abstract text is available yet for this article.
April 18, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28433652/ketamine-potentiates-oxidative-stress-and-influences-behaviour-and-inflammation-in-response-to-lipolysaccharide-lps-exposure-in-early-life
#11
Gislaine Z Réus, Lutiana R Simões, Gabriela D Colpo, Giselli Scaini, Jean P Oses, Jaqueline S Generoso, Alan R Prossin, Rima Kaddurah-Daouk, João Quevedo, Tatiana Barichello
Immune activation (IA) during the early neonatal period is a risk factor for the development of schizophrenia. Lipopolysaccharide (LPS) injected in neonates lead to behavioral and brain changes that persist to adult life. We investigated oxidative stress, levels of cytokines, and the locomotor activity of IA in a schizophrenia animal model in which neonatal male Wistar rats were administered with an injection of LPS (50 μg/kg) on postnatal day 3 and different doses of ketamine (5, 15 and 25 mg/kg) for 7 days during adulthood...
April 19, 2017: Neuroscience
https://www.readbyqxmd.com/read/28433499/changes-in-the-expression-of-metabotropic-glutamate-receptor-5-mglur5-in-a-ketamine-based-animal-model-of-schizophrenia
#12
Dariusz Zurawek, Anna Salerno-Kochan, Marta Dziedzicka-Wasylewska, Agnieszka Nikiforuk, Tomasz Kos, Piotr Popik
It has been shown that the metabotropic glutamate receptor subtype 5 (mGluR5) is functionally associated with the NMDA subtype of the glutamate receptor family (NMDA receptors). These two receptors colocalize in brain regions associated with schizophrenia. Although the role of the NMDA receptor in cognitive and negative symptoms of schizophrenia is well studied, information about the role of mGluR5 receptors in schizophrenia is sparse. In our work, we show that subchronic administration of ketamine, a well-studied, non-competitive antagonist of NMDA receptors, caused cognitive deficits in rats as shown by testing novel object recognition (NOR)...
April 19, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28433211/adverse-events-during-a-randomized-trial-of-ketamine-versus-co-administration-of-ketamine-and-propofol-for-procedural-sedation-in-a-pediatric-emergency-department
#13
Keith Weisz, Lalit Bajaj, Sara J Deakyne, Lina Brou, Alison Brent, Joseph Wathen, Genie E Roosevelt
BACKGROUND: The co-administration of ketamine and propofol (CoKP) is thought to maximize the beneficial profile of each medication, while minimizing the respective adverse effects of each medication. OBJECTIVE: Our objective was to compare adverse events between ketamine monotherapy (KM) and CoKP for procedural sedation and analgesia (PSA) in a pediatric emergency department (ED). METHODS: This was a prospective, randomized, single-blinded, controlled trial of KM vs...
April 19, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28432759/anesthetic-and-postanesthetic-effects-of-alfaxalone-butorphanol-compared-with-dexmedetomidine-ketamine-in-chinchillas-chinchilla-lanigera
#14
Lily Parkinson, Christoph Mans
Effective and safe anesthetic protocols are required for a variety of surgical and diagnostic procedures in chinchillas.Alfaxalone, a new anesthetic agent in the United States, can be administered intramuscularly and subcutaneously and is therefore potentially useful as an anesthetic induction agent in chinchillas. This study compared the anesthetic efficacy andpostanesthetic effects on food intake and fecal output of a combination of intramuscular alfaxalone (5 mg/kg) and butorphanol(0.5 mg/kg; AB anesthesia) with a combination of dexmedetomidine (0...
April 21, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28430606/ketamine-administered-pregnant-rats-impair-learning-and-memory-in-offspring-via-the-creb-pathway
#15
Xinran Li, Cen Guo, Yanan Li, Lina Li, Yuxin Wang, Yiming Zhang, Yue Li, Yu Chen, Wenhan Liu, Li Gao
Ketamine has been reported to impair the capacity for learning and memory. This study examined whether these capacities were also altered in the offspring and investigated the role of the CREB signaling pathway in pregnant rats, subjected to ketamine-induced anesthesia. On the 14th day of gestation (P14), female rats were anesthetized for 3 h via intravenous ketamine injection (200 mg/Kg). Morris water maze task, contextual and cued fear conditioning, and olfactory tasks were executed between the 25th to 30th day after birth (B25-30) on rat pups, and rats were sacrificed on B30...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426446/providing-anesthesia-in-resource-limited-settings
#16
Lena E Dohlman
PURPOSE OF REVIEW: The article reviews the reality of anesthetic resource constraints in low and middle-income countries (LMICs). Understanding these limitations is important to volunteers from high-income countries who desire to teach or safely provide anesthesia services in these countries. RECENT FINDINGS: Recently published information on the state of anesthetic resources in LMICs is helping to guide humanitarian outreach efforts from high-income countries. The importance of using context-appropriate anesthesia standards and equipment is now emphasized...
April 19, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28424861/s-ketamine-compared-to-etomidate-during-electroconvulsive-therapy-in-major-depression
#17
Maxim Zavorotnyy, Ina Kluge, Kathrin Ahrens, Thomas Wohltmann, Benjamin Köhnlein, Patricia Dietsche, Udo Dannlowski, Tilo Kircher, Carsten Konrad
Objective of the study was to compare two commonly used anesthetic drugs, S-ketamine and etomidate, regarding their influence on seizure characteristics, safety aspects, and outcome of electroconvulsive therapy (ECT) in major depression. Treatment data of 60 patients who underwent a total number of 13 ECTs (median) because of the severe or treatment-resistant major depressive disorder (DSM-IV) were analyzed. Etomidate, mean dosage (SD) = 0.25 (0.04) mg/kg, was used for anesthesia in 29 participants; 31 patients received S-ketamine, mean dosage (SD) = 0...
April 19, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28424774/cardiac-radionuclide-imaging-in-rodents-a-review-of-methods-results-and-factors-at-play
#18
Francesco Cicone, David Viertl, Ana Maria Quintela Pousa, Thibaut Denoël, Silvano Gnesin, Francesco Scopinaro, Marie-Catherine Vozenin, John O Prior
The interest around small-animal cardiac radionuclide imaging is growing as rodent models can be manipulated to allow the simulation of human diseases. In addition to new radiopharmaceuticals testing, often researchers apply well-established probes to animal models, to follow the evolution of the target disease. This reverse translation of standard radiopharmaceuticals to rodent models is complicated by technical shortcomings and by obvious differences between human and rodent cardiac physiology. In addition, radionuclide studies involving small animals are affected by several extrinsic variables, such as the choice of anesthetic...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28422864/ketamine-as-adjuvant-analgesics-for-patients-with-refractory-cancer-pain-does-affect-il-2-ifn-%C3%AE-expression-of-t-cells-in-vitro-a-prospective-randomized-double-blind-study
#19
Naibao Zhou, Zhijian Fu, Hao Li, Kaiguo Wang
BACKGROUND: Ketamine has been used as an analgesic adjuvant with morphine in the treatment of refractory cancer pain recently. But both morphine and ketamine have been reported to produce a number of immunomodulatory effects. The current study was performed to assess whether the concentration of ketamine, as adjuvant analgesics for patient with refractory cancer pain, was related to its effect on T cells interleukin-2 (IL-2)/interferon-γ (IFN-γ) expression in vitro. METHODS: Peripheral blood mononuclear cells (PBMCs) were isolated from venous blood of patients with refractory cancer pain over a Ficoll-Hypaque density gradient...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28422805/a-randomized-pilot-study-comparing-ketamine-and-methohexital-anesthesia-for-electroconvulsive-therapy-in-patients-with-depression
#20
Shona L Ray-Griffith, Lou Ann Eads, Xiaotong Han, Kimberly Golden, Zachary N Stowe
OBJECTIVE: This randomized controlled pilot study examines the differences in response to electroconvulsive therapy (ECT) as defined by an improvement of depressive symptoms between ketamine and methohexital as the primary anesthetic agent. Adverse effects and cognitive tolerability were also examined. METHODS: Subjects undergoing ECT for unipolar or bipolar depression were randomized to receive ketamine or methohexital as the anesthetic agent. Primary outcome measure includes the Hamilton rating scale for depression (17-item)...
April 18, 2017: Journal of ECT
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