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https://www.readbyqxmd.com/read/29151192/impact-of-oral-ketamine-augmentation-on-hospital-admissions-in-treatment-resistant-depression-and-ptsd-a-retrospective-study
#1
John Hartberg, Simone Garrett-Walcott, Angelo De Gioannis
RATIONALE: Depressive episodes are the leading cause of mental health-related hospital admissions in Australia, and 44% of those admitted have a previous history of hospitalisations for depression (Admitted patient mental health-related care: (Australian Institute of Health and Welfare Aust Hospital Stat 2011-12, 2013). Despite numerous available antidepressant treatments, many patients do not respond to conventional therapy, having what is called 'treatment resistance' (Fava Biol Psychiatry 53:649-659, 2003)...
November 18, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/29150087/dexmedetomidine-methadone-ketamine-versus-dexmedetomidine-methadone-alfaxalone-for-cats-undergoing-ovariectomy
#2
Rocio Fernandez-Parra, Chiara Adami, Thomas Dresco, Thomas M Donnelly, Luca Zilberstein
OBJECTIVE: To compare the duration, quality of anaesthesia and analgesia, and quality of recovery of dexmedetomidine and methadone combined with either ketamine or alfaxalone. STUDY DESIGN: Randomized, prospective clinical trial. ANIMALS: A group of 44 healthy client-owned cats presenting for ovariectomy. METHODS: Cats were randomly assigned to one of the two treatment groups: DAM (n=22), which was administered intramuscularly (IM) dexmedetomidine (15 μg kg(-1)), methadone (0...
May 27, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29132231/the-use-of-desflurane-for-neurosurgical-procedures-in-rhesus-macaque-macaca-mulatta
#3
Henri Gmj Bertrand, Charlotte Sandersen, Paul A Flecknell
Volatile agents are widely used to anaesthetise laboratory non-human primates as they allow a rapid induction and recovery as well as an easy adjustment of the anaesthesia plan. Desflurane is currently the volatile agent with the lowest solubility in blood, and hence enables the most rapid onset of anaesthesia and most rapid recovery. This study aimed to investigate the suitability of desflurane for maintenance of general anaesthesia in rhesus macaques undergoing elective experimental neurosurgery. Fourteen primates (five males and nine females) were sedated with ketamine (10 mg kg(-1)) and anaesthesia was induced with propofol (usually 8 mg kg(-1) IV)...
January 1, 2017: Laboratory Animals
https://www.readbyqxmd.com/read/29111148/effects-of-opioid-and-nonopioid-analgesics-on-canine-wheal-formation-and-cultured-human-mast-cell-degranulation
#4
Eric Schmidt-Rondon, Zhenping Wang, Shelle A Malkmus, Anna Di Nardo, Keith Hildebrand, Linda Page, Tony L Yaksh
Mast cell (MC) degranulation has been implicated in the side effect profile of a variety of clinically useful agents. Thus, after intrathecal delivery, formation of space-occupying, meningeally-derived masses may be related to local MC degranulation. We systematically characterized degranulating effects of opioid and nonopioid analgesics on cutaneous flares in the dog and in primary human MC (hMC) cultures. METHODS: Dogs were anesthetized with IV propofol and received intradermal (ID) injections (50μL)...
October 27, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29096588/non-nmda-receptor-mediated-vibrotactile-responses-of-neurons-from-the-hindpaw-representation-in-the-rat-si-cortex
#5
Bige Vardar, Burak Güçlü
Non-NMDA receptor-mediated vibrotactile responses of neurons from the hindpaw representation were investigated in the rat SI cortex. We recorded single-unit spikes evoked by sinusoidal (duration: 500 ms; frequency: 5, 40, and 250 Hz; amplitude: 100 μm peak-to-peak) stimulation of the glabrous skin. The responses were obtained with microinjection of aCSF (sham), bicuculline, and AMPA near the isolated neurons in anaesthetized rats. Blocking most of the NMDA receptors by ketamine revealed local dynamics differentially modulated by each drug...
September 2017: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/29076369/cardiovascular-effects-of-premedication-with-medetomidine-alone-and-in-combination-with-mk-467-or-glycopyrrolate-in-dogs-subsequently-anesthetized-with-isoflurane
#6
Kati M Salla, Cosmin I Tuns, Rachel C Bennett, Marja R Raekallio, Mika Scheinin, Erja Kuusela, Outi M Vainio
OBJECTIVE To compare cardiovascular effects of premedication with medetomidine alone and with each of 3 doses of MK-467 or after glycopyrrolate in dogs subsequently anesthetized with isoflurane. ANIMALS 8 healthy purpose-bred 5-year-old Beagles. PROCEDURES In a randomized crossover study, each dog received 5 premedication protocols (medetomidine [10 μg/kg, IV] alone [MED] and in combination with MK-467 at doses of 50 [MMK50], 100 [MMK100], and 150 [MMK150] μg/kg and 15 minutes after glycopyrrolate [10 μg/kg, SC; MGP]), with at least 14 days between treatments...
November 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29020956/guaiphenesin-ketamine-xylazine-infusion-to-maintain-anesthesia-in-mules-undergoing-field-castration
#7
Cecilia Vullo, Augusto Carluccio, Domenico Robbe, Marina Meligrana, Linda Petrucci, Giuseppe Catone
BACKGROUND: In order to determine whether a combination of guaiphenesin, ketamine and xylazine can induce safe and satisfactory anaesthesia in mules undergoing field castration, eight healthy adult intact male mules were employed. They were premedicated with intravenous (IV) xylazine (1.3 mg/kg); an additional dose of xylazine (0.3 mg/kg IV) was administered in case of inadequate depth of sedation. Anaesthesia was induced with IV thiopental (6 mg/kg). The quality of sedation and induction was recorded...
October 11, 2017: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/28994677/comparison-of-dexmedetomidine-and-ketamine-versus-propofol-and-ketamine-for-procedural-sedation-in-children-undergoing-minor-cardiac-procedures-in-cardiac-catheterization-laboratory
#8
Vidya Sagar Joshi, Sandeep S Kollu, Ram Murti Sharma
BACKGROUND: The ideal anaesthetic technique for management of paediatric patients scheduled to undergo cardiac catheterisation is still not standardised. AIM: To compare the effects of ketamine-propofol and ketamine-dexmedetomidine combinations on hemodynamic parameters and recovery time in paediatric patients undergoing minor procedures and cardiac catheterisation under sedation for various congenital heart diseases. MATERIAL AND METHODS: 60 children of either sex undergoing cardiac catheterisation were randomly assigned into two groups Dexmedetomidine-ketamine group (DK) and Propofol-ketamine (PK) of 30 patients each...
October 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28985334/simultaneous-quantitation-of-methamphetamine-ketamine-opiates-and-their-metabolites-in-urine-by-spe-and-lc-ms-ms
#9
Chu-An Yang, Hsiu-Chuan Liu, Dong-Liang Lin, Ray H Liu, You-Zung Hsieh, Shu-Pao Wu
Heroin, methamphetamine and ketamine have been the most commonly abused drugs in Taiwan. The presence of these drugs and their metabolites in postmortem specimens has been routinely monitored in our laboratory mostly by gas chromatographic-mass spectrometric methods. This study aimed to evaluate a more effective approach to simultaneously quantify these analytes (i.e., amphetamine, methamphetamine, 3,4-methylenedioxyamphetamine, 3,4-methylenedioxymethamphetamine (MDMA), morphine, codeine, 6-acetylmorphine, 6-acetylcodeine, ketamine and norketamine) in postmortem urine and blood specimens by liquid chromatography-tandem mass spectrometry (LC-MS-MS)...
July 18, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28971157/comparing-the-analgesic-effect-of-intranasal-with-intravenous-ketamine-in-isolated-orthopedic-trauma-a-randomized-clinical-trial
#10
Ramin Parvizrad, Abdolghader Pakniyat, Bita Malekianzadeh, Amir Almasi-Hashiani
OBJECTIVES: Ketamine is commonly used in anesthetic and sedation before surgical procedures and acts as an analgesic in smaller doses. The aim of this study was to assess the effects of intranasal (IN) ketamine in patients with moderate to severe limb trauma (visual analog scale (VAS) > 60 mm). METHODS: In a triple-blind randomized controlled clinical trial; 154 patients with isolated orthopedic trauma and visual analog scale (VAS) ≥60 mm were included on the basis of inclusion and exclusion criteria...
September 2017: Turkish Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28955248/aicar-administration-attenuates-hemorrhagic-hyperglycemia-and-lowers-oxygen-debt-in-anesthetized-male-rabbits
#11
Yi Huang, Paul H Ratz, Amy S Miner, Victoria A Locke, Grace Chen, Yang Chen, Robert W Barbee
Background: Many strategies have been utilized to treat traumatic shock via improved oxygen delivery (DO2), while fewer have been used to in an attempt to reduce oxygen demand (VO2). The cellular energy sensor 5' adenosine monophosphate-activated protein kinase (AMPK) has the potential to modulate both whole-body DO2 and VO2. Therefore, we determined the effect of the AMPK activator AICAR (5-aminoimidazole-4-carboxamide 1-β-D-ribonucleoside) given acutely or chronically on key metabolites, hemodynamics, and oxygen consumption/delivery before and during hemorrhage in anesthetized male rabbits...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28948899/comparison-of-emergence-times-and-quality-between-isoflurane-and-sevoflurane-in-rhesus-macaque-macaca-mulatta-undergoing-neurosurgical-procedure
#12
Henri G M J Bertrand, Svenja Springer, Wesley Burnside, Charlotte Sandersen, Paul A Flecknell
Volatile agents for anaesthesia are widely used for anaesthetizing laboratory primates, and isoflurane is one of the most frequently used agents. Sevoflurane has been shown to offer a more rapid recovery than isoflurane in a number of species, but no comparisons have been made in non-human primates. This study compared the recovery characteristics of isoflurane and sevoflurane in rhesus macaques undergoing experimental neurosurgery. Twelve primates (7 males and 5 females) were randomly allocated to the treatment groups...
October 2017: Laboratory Animals
https://www.readbyqxmd.com/read/28874724/alcohol-amplifies-ketamine-induced-apoptosis-in-primary-cultured-cortical-neurons-and-pc12-cells-through-down-regulating-creb-related-signaling-pathways
#13
Daiying Zuo, Feng Sun, Jiahui Cui, Yumiao Liu, Zi Liu, Xuejiao Zhou, Zengqiang Li, Yingliang Wu
Recreational use of ketamine (KET) has been increasing worldwide. Previous studies have demonstrated that KET induced neurotoxicity; however, few studies have examined how alcohol (ALC) affects KET-induced neurotoxicity. In light of the fact that some KET abusers combine KET with ALC, the present study was aimed to investigate the effects of ALC on KET-induced neurotoxicity and the underlying mechanism in vitro. Our data revealed that co-treatment with ALC and KET was more detrimental to cell viability than KET single treatment in both PC12 cells and primary cultured rat cortical neurons...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28829988/anaesthetic-and-surgical-management-of-airway-penetrating-injuries-in-children-in-resource-poor-setting-case-reports
#14
Bassey E Edem, Amali Adekwu, Michael E Efu, Joseph Kuni, Gerald Onuchukwu, Johnbosco Ugwuadu
INTRODUCTION: Impacted penetrating foreign body (FB) in the airway especially the postnasal space presents with management challenges. The challenges are worsened by lack of modern equipment in resource-poor settings. Two suchlike cases were managed in this report. PRESENTATION OF CASES: Case 1: A 4-year-old girl who fell on a metal rod in her mouth while playing alone. Examination revealed an agitated child in open mouth posture, with a silvery straight metallic object impacted on the hard palate and projecting from the mouth...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28808577/transition-from-intravenous-to-enteral-ketamine-for-treatment-of-nonconvulsive-status-epilepticus
#15
Michael A Pizzi, Prasuna Kamireddi, William O Tatum, Jerry J Shih, Daniel A Jackson, William D Freeman
BACKGROUND: Nonconvulsive status epilepticus (NCSE) is a diagnosis that is often challenging and one that may progress to refractory NCSE. Ketamine is a noncompetitive N-methyl-d-aspartate antagonist that increasingly has been used to treat refractory status epilepticus. Current Neurocritical Care Society guidelines recommend intravenous (IV) ketamine infusion as an alternative treatment for refractory status epilepticus in adults. On the other hand, enteral ketamine use in NCSE has been reported in only 6 cases (1 adult and 5 pediatric) in the literature to date...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28794526/effect-of-ketamine-on-pro-and-anti-inflammatory-cytokine-response-in-paediatric-cardiac-surgery-a-prospective-randomised-controlled-study
#16
Tamer Hamed Ibrahim, Hassan Saad Abdelrahman, Mohammed A Alharbi, Ibrahim A Zabani, Mohamed Fouad Ismail, Heba Kary
BACKGROUND AND AIMS: Paediatric cardiac surgery with cardiopulmonary bypass (CPB) is associated with a marked inflammatory response and triggers release of inflammatory cytokines. The aim of this study was to study the effect of ketamine on the inflammatory response during correction of congenital cyanotic heart diseases. METHODS: Sixty-six patients with congenital cyanotic heart diseases scheduled for cardiac surgery were randomised into three groups. Group A patients did not receive ketamine (control group), Group B patients received 2 mg/kg ketamine intravenous (IV) and Group C patients received ketamine 2 mg/kg IV and an IV infusion of ketamine (50 μg/kg/min)...
July 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28739108/use-of-cis-atracurium-to-maintain-moderate-neuromuscular-blockade-in-experimental-pigs
#17
Alexandru Tutunaru, Julien Dupont, Vincent Huberty, Mostafa Ibrahim, Didier Serteyn, Charlotte Sandersen
OBJECTIVE: To determine the dose of cis-atracurium needed to produce a moderate neuromuscular blockade (NMB) in pigs. STUDY DESIGN: Prospective experimental study. ANIMALS: Seven pigs [five females and two males; median (range) body weight: 47 (36-64) kg]. METHODS: Pigs were premedicated with intramuscular midazolam (0.3 mg kg(-1)) and ketamine (7 mg kg(-1)). Anaesthesia was induced with intravenous (IV) propofol 3 (1-4) mg kg(-1) and maintained with isoflurane in oxygen...
April 15, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28730132/investigation-of-efficacy-of-lidocaine-spray-for-sedated-esophagogastroduodenoscopy-in-children
#18
Ahmet Basturk, Reha Artan, Aygen Yılmaz
PURPOSE: Our aim in this study is to investigate efficacy of topical lidocaine spray for sedated esophagogastroduodenoscopy (EGD) in children. METHODS: The endoscopy of children aged between 3-18 years who underwent EGD in our endoscopy unit. Intravenous (IV) midazolam and ketamine were used for sedation. Prior to sedation, endoscopy nurse applied topical lidocaine 10% with pump spray at 1 mg/kg dose in group 1, and distilled water via identically scaled pump spray in group 2, in a double blinded fashion...
June 2017: Pediatric Gastroenterology, Hepatology & Nutrition
https://www.readbyqxmd.com/read/28728322/perioperative-hypertension-management-during-facelift-under-local-anesthesia-with-intravenous-hypnotics
#19
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/28666206/low-dose-ketamine-for-treatment-resistant-depression-in-an-academic-clinical-practice-setting
#20
David Feifel, Benjamin Malcolm, Danielle Boggie, Kelly Lee
BACKGROUND: Recent studies demonstrating a rapid, robust improvement in treatment resistant depression (TRD) following a single sub-anesthetic infusion of ketamine have generated much excitement. However, these studies are limited in their generalizability to the broader TRD population due to their subject exclusion criteria which typically limit psychiatric comorbidity, concurrent medication, and level of suicide risk. This paper describes the safety and efficacy of sub-anesthetic ketamine infusions in a naturalistic TRD patient sample participating in a real-world TRD treatment program within a major university health system...
October 15, 2017: Journal of Affective Disorders
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