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ketamine infusions

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https://www.readbyqxmd.com/read/28183578/a-case-of-central-diabetes-insipidus-after-ketamine-infusion-during-an-external-to-internal-carotid-artery-bypass
#1
Sharib Gaffar, Jonathan P Eskander, Burton D Beakley, Brian P McClure, Peter Amenta, Nakeisha Pierre
STUDY OBJECTIVE: We report the first teenage case of ketamine-induced transient central diabetes insipidus. CASE SUMMARY: The patient was an 18-year-old woman with moyamoya disease undergoing an external carotid to internal carotid bypass and given a low-dose ketamine infusion. After approximately 2 hours in the supine position, with 0.5 Minimum Alveolar Concentration (MAC) of sevoflurane, a propofol infusion at 50 μg/kg/min, a remifentanil infusion at 0.5 μg/kg/min, and a ketamine infusion at a dose of 10 μg/kg/min, this patient had an excessive urine output...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28162651/-406-a-case-study-investigating-opioid-medication-utilization-in-patients-with-complex-regional-pain-syndrome-before-and-after-ketamine-infusion-therapy
#2
G Rudd-Barnard, A Wallbom, S Pangarkar, A Baria
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28162649/-402-a-retrospective-investigation-into-the-impact-of-early-post-operative-intravenous-ketamine-infusion-on-recovery-and-phantom-limb-pain-in-new-amputees
#3
K Jaremko, E Viscusi
No abstract text is available yet for this article.
April 2016: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28118213/a-case-report-subanesthetic-ketamine-infusion-for-treatment-of-cancer-related-pain-produces-urinary-urge-incontinence
#4
Barbara A Vickers, Wayne Lee, Joann Hunsberger
Oncology patients undergoing treatment can experience substantial pain related to their disease or prescribed therapy. Ketamine infusions at subanesthetic doses have been used at our institution to supplement the pain management regimens of 262 patients. We present 2 cases in which young adult patients being treated with subanesthetic ketamine for cancer-related pain experienced urinary urgency and incontinence after initiation or increase of the ketamine infusion. This adverse effect has not been reported previously at this dosing range...
January 23, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28070653/impact-of-acute-changes-in-perfusion-index-and-blood-pressure-on-the-accuracy-of-non-invasive-continuous-hemoglobin-concentration-measurements-during-induction-of-anesthesia
#5
Junichi Saito, Masato Kitayama, Erika Amanai, Kentaro Toyooka, Kazuyoshi Hirota
PURPOSE: Several factors affect the accuracy of non-invasive continuous hemoglobin concentration (SpHb) measurements. We had previously shown an increase in the perfusion index (PI) following induction of anesthesia which was associated with an increase in the difference between SpHb and total hemoglobin (tHb) (SpHb-tHb). We hypothesized that blunting the increase in PI by maintaining blood pressure during induction of anesthesia would improve the agreement between SpHb and tHb measurements...
January 9, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28067704/intravenous-ketamine-infusions-for-neuropathic-pain-management-a-promising-therapy-in-need-of-optimization
#6
Dermot P Maher, Lucy Chen, Jianren Mao
Intravenous ketamine infusions have been used extensively to treat often-intractable neuropathic pain conditions. Because there are many widely divergent ketamine infusion protocols described in the literature, the variation in these protocols presents a challenge for direct comparison of one protocol with another and in discerning an optimal protocol. Careful examination of the published literature suggests that ketamine infusions can be useful to treat neuropathic pain and that certain characteristics of ketamine infusions may be associated with better clinical outcomes...
February 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28067693/intraoperative-ketamine-reduces-immediate-postoperative-opioid-consumption-after-spinal-fusion-surgery-in-chronic-pain-patients-with-opioid-dependency-a-randomized-blinded-trial
#7
Rikke Vibeke Nielsen, Jonna Storm Fomsgaard, Hanna Siegel, Robertas Martusevicius, Lone Nikolajsen, Jørgen Berg Dahl, Ole Mathiesen
Perioperative handling of surgical patients with opioid dependency represents an important clinical problem. Animal studies suggest that ketamine attenuates central sensitization and hyperalgesia and thereby reduces postoperative opioid tolerance. We hypothesized that intraoperative ketamine would reduce immediate postoperative opioid consumption compared with placebo in chronic pain patients with opioid dependency undergoing lumbar spinal fusion surgery. Primary outcome was morphine consumption 0 to 24 hours postoperatively...
March 2017: Pain
https://www.readbyqxmd.com/read/28043916/ketamine-accelerates-fear-extinction-via-mtorc1-signaling
#8
Matthew J Girgenti, Sriparna Ghosal, Dora LoPresto, Jane R Taylor, Ronald S Duman
Impaired fear extinction contributes to the persistence of post-traumatic stress disorder (PTSD), and can be utilized for the study of novel therapeutic agents. Glutamate plays an important role in the formation of traumatic memories, and in the pathophysiology and treatment of PTSD, highlighting several possible drug targets. Recent clinical studies demonstrate that infusion of ketamine, a glutamate NMDA receptor antagonist, rapidly and significantly reduces symptom severity in PTSD patients. In the present study, we examine the mechanisms underlying the actions of ketamine in a rodent model of fear conditioning, extinction, and renewal...
December 30, 2016: Neurobiology of Disease
https://www.readbyqxmd.com/read/28025837/ketamine-infusions-for-treatment-refractory-headache
#9
Jared L Pomeroy, Michael J Marmura, Stephanie J Nahas, Eugene R Viscusi
BACKGROUND: Management of chronic migraine (CM) or new daily persistent headache (NDPH) in those who require aggressive outpatient and inpatient treatment is challenging. Ketamine has been suggested as a new treatment for this intractable population. METHODS: This is a retrospective review of 77 patients who underwent administration of intravenous, subanesthetic ketamine for CM or NDPH. All patients had previously failed aggressive outpatient and inpatient treatments...
February 2017: Headache
https://www.readbyqxmd.com/read/28024909/dose-response-characteristics-of-intravenous-ketamine-on-dissociative-stereotypy-locomotion-sensorimotor-gating-and-nociception-in-male-sprague-dawley-rats
#10
Kennett D Radford, Thomas Y Park, Bong Hyo Lee, Sean Moran, Lisa A Osborne, Kwang H Choi
Clinicians administer subanesthetic intravenous (IV) ketamine infusions for treatment of refractory depression, chronic pain, and post-traumatic stress disorder in humans. However, ketamine is administered via the subcutaneous (SC) or intraperitoneal (IP) routes to rodents in most pre-clinical research, which may limit translational application. The present study characterized the dose-response of a subanesthetic IV ketamine bolus (2 and 5mg/kg) and 1-h infusion (5, 10, and 20mg/kg/h) on dissociative stereotypy, locomotion, sensorimotor gating, and thermal nociception in male Sprague-Dawley rats...
February 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28017918/effects-of-ketamine-administration-on-mtor-and-reticulum-stress-signaling-pathways-in-the-brain-after-the-infusion-of-rapamycin-into-prefrontal-cortex
#11
Helena M Abelaira, Gislaine Z Réus, Zuleide M Ignácio, Maria Augusta B Dos Santos, Airam B de Moura, Danyela Matos, Júlia P Demo, Júlia B I da Silva, Monique Michels, Mariane Abatti, Beatriz Sonai, Felipe Dal Pizzol, André F Carvalho, João Quevedo
Recent studies show that activation of the mTOR signaling pathway is required for the rapid antidepressant actions of glutamate N-methyl-D-aspartate (NMDA) receptor antagonists. A relationship between mTOR kinase and the endoplasmic reticulum (ER) stress pathway, also known as the unfolded protein response (UPR) has been shown. We evaluate the effects of ketamine administration on the mTOR signaling pathway and proteins of UPR in the prefrontal cortex (PFC), hippocampus, amygdala and nucleus accumbens, after the inhibiton of mTOR signaling in the PFC...
December 3, 2016: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27999410/effects-of-quercetin-in-a-rat-model-of-hemorrhagic-traumatic-shock-and-reperfusion
#12
Virginia Chamorro, Rachele Pandolfi, Laura Moreno, Bianca Barreira, Andrea Martínez-Ramas, Daniel Morales-Cano, Jesús Ruiz-Cabello, José Angel Lorente, Juan Duarte, Ángel Cogolludo, José Luis Alvarez-Sala, Francisco Perez-Vizcaino
BACKGROUND: We hypothesized that treatment with quercetin could result in improved hemodynamics, lung inflammatory parameters and mortality in a rat model of hemorrhagic shock. METHODS: Rats were anesthetized (80 mg/kg ketamine plus 8 mg/kg xylazine i.p.). The protocol included laparotomy for 15 min (trauma), hemorrhagic shock (blood withdrawal to reduce the mean arterial pressure to 35 mmHg) for 75 min and resuscitation by re-infusion of all the shed blood plus lactate Ringer for 90 min...
December 20, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27986606/imaging-the-neuroplastic-effects-of-ketamine-with-vbm-and-the-necessity-of-placebo-control
#13
A Höflich, S Ganger, M Tik, A Hahn, G S Kranz, T Vanicek, M Spies, C Kraus, C Windischberger, S Kasper, D Winkler, R Lanzenberger
In the last years a plethora of studies have investigated morphological changes induced by behavioural or pharmacological interventions using structural T1-weighted MRI and voxel-based morphometry (VBM). Ketamine is thought to exert its antidepressant action by restoring neuroplasticity. In order to test for acute impact of a single ketamine infusion on grey matter volume we performed a placebo-controlled, double-blind investigation in healthy volunteers using VBM. 28 healthy individuals underwent two MRI sessions within a timeframe of 2 weeks, each consisting of two structural T1-weighted MRIs within a single session, one before and one 45min after infusion of S-ketamine (bolus of 0...
February 15, 2017: NeuroImage
https://www.readbyqxmd.com/read/27979642/severe-carisoprodol-withdrawal-after-a-14-year-addiction-and-acute-overdose
#14
Kathy T Vo, Howard Horng, Craig G Smollin, Neal L Benowitz
BACKGROUND: Carisoprodol, a centrally acting muscle relaxant with a high abuse potential, has barbiturate-like properties at the GABA-A receptor, leading to central nervous system depression and desired effects. Its tolerance and dependence has been previously demonstrated in an animal model, and withdrawal has been described in several recent case reports. Many cases can be effectively managed with a short course of benzodiazepines or antipsychotic agents. However, abrupt cessation in a patient with a history of long-term and high-dose carisoprodol abuse may result in symptoms that are more difficult for providers to treat...
December 12, 2016: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27966330/therapeutic-effects-of-intralipid-and-medialipid-emulsionsin-a-rat-model-of-verapamil-toxicity
#15
Fatma Akgün Şahin, Sıdıka Hülya Çelebi, İrfan Güngör, Demet Coşkun, Elif Ergüven Kaya
BACKGROUND/AIM: Lipid emulsions are promising as a potential new therapy for severe verapamil overdose. Our purpose is to draw attention to the choice of solution by investigating the efficacy of intralipid 20% or medialipid 20% in verapamil overdose. MATERIALS AND METHODS: Eighteen adult Sprague Dawley rats were randomly divided into three groups: control (saline; Group C), intralipid 20% (Group I), and medialipid 20% (Group M). Rats were anesthetized with ketamine...
November 17, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/27965856/ketamine-for-depression-relapse-prevention-following-electroconvulsive-therapy-protocol-for-a-randomised-pilot-trial-the-keep-well-trial
#16
Martha Finnegan, Karen Ryan, Enda Shanahan, Andrew Harkin, Leslie Daly, Declan M McLoughlin
BACKGROUND: Major depressive disorder is a common debilitating illness that is the second leading contributor to the global burden of disease. Unfortunately, about 30 % of patients do not respond to adequate trials of antidepressants and/or psychotherapies. About 45-60 % of such treatment-resistant patients will remit with electroconvulsive therapy (ECT). However, relapse rates are high following ECT-38 % after 6 months. There is a need for better relapse prevention strategies. One possibility is to use ketamine, a competitive glutamate receptor antagonist used for anaesthesia...
2016: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/27931320/constant-rate-infusion-of-dexmedetomidine-to-manage-thiopental-anesthesia-during-intracranial-surgery-in-cynomolgus-macaques-macaca-fascicularis
#17
Noemi Romagnoli, Alessandra Buonacucina, Carlotta Lambertini, Domenico Ventrella, Angelo Peli
Macaques (Macaca spp.) are often used as animal models in biomedical research involving a neurosurgical approach. The development of new anesthetic techniques is pivotal for these studies. Studies in human anesthesia for intracranial surgery have shown that dexmedetomidine infusion reduces the incidence of cardiocirculatory complications in the perioperative period, reduces the need for supplemental analgesia, and provides an analgesic effect analogous to that of remifentanil. Data regarding the anesthetic effects of dexmedetomidine infusion in NHP including Macaca spp...
November 2016: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/27930531/prospective-randomized-and-controlled-trial-on-ketamine-infusion-during-bilateral-axillo-breast-approach-baba-robotic-or-endoscopic-thyroidectomy-effects-on-postoperative-pain-and-recovery-profiles-a-consort-compliant-article
#18
RANDOMIZED CONTROLLED TRIAL
Dong-Ho Kim, June Young Choi, Byoung-Gook Kim, Jin-Young Hwang, Seong-Joo Park, Ah-Young Oh, Young-Tae Jeon, Jung-Hee Ryu
BACKGROUND: Robotic or endoscopic thyroidectomy using bilateral axillo-breast approach (BABA) is frequently performed for excellent cosmesis. However, postoperative pain is remained as concerns due to the extent tissue dissection and tension during the operation. Ketamine is a noncompetitive N-methyl-D-aspartate (NMDA) receptor antagonist that reduces acute postoperative pain. We evaluated the effects of intraoperative ketamine infusion on postoperative pain control and recovery profiles following BABA robotic or endoscopic thyroidectomy...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27929610/antisuicidal-response-following-ketamine-infusion-is-associated-with-decreased-nighttime-wakefulness-in-major-depressive-disorder-and-bipolar-disorder
#19
Jennifer L Vande Voort, Elizabeth D Ballard, David A Luckenbaugh, Rebecca A Bernert, Erica M Richards, Mark J Niciu, Lawrence T Park, Rodrigo Machado-Vieira, Wallace C Duncan, Carlos A Zarate
OBJECTIVE: Insomnia and disrupted sleep are associated with increased risk of suicide. The N-methyl-D-aspartate antagonist ketamine has been associated with reduced suicidal thoughts, but the mechanism of action is unknown. This study sought to evaluate differences in nocturnal wakefulness in depressed individuals who did and did not have an antisuicidal response to ketamine. METHODS: Thirty-four participants with baseline suicidal ideation diagnosed with either DSM-IV major depressive disorder (n = 23) or bipolar depression (n = 11) between 2006 and 2013 completed nighttime electroencephalography (EEG) the night before and the night after a single ketamine infusion (0...
December 6, 2016: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/27919589/preincisional-and-postoperative-epidural-morphine-ropivacaine-ketamine-and-naloxone-treatment-for-postoperative-pain-management-in-upper-abdominal-surgery
#20
Hou-Chuan Lai, Chung-Bao Hsieh, Chih-Shung Wong, Chun-Chang Yeh, Zhi-Fu Wu
OBJECTIVE(S): Previous studies have shown that preincisional epidural morphine, bupivacaine, and ketamine combined with epidural anesthesia (EA) and general anesthesia (GA) provided pre-emptive analgesia for upper abdominal surgery. Recent studies reported that ultralow-dose naloxone enhanced the antinociceptive effect of morphine in rats. This study investigated the benefits of preincisional and postoperative epidural morphine + ropivacaine + ketamine + naloxone (M + R + K + N) treatment for achieving postoperative pain relief in upper abdominal surgery...
September 2016: Acta Anaesthesiologica Taiwanica: Official Journal of the Taiwan Society of Anesthesiologists
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