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ketamine infusions

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https://www.readbyqxmd.com/read/27931320/constant-rate-infusion-of-dexmedetomidine-to-manage-thiopental-anesthesia-during-intracranial-surgery-in-cynomolgus-macaques-macaca-fascicularis
#1
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
#2
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
#3
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
#4
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...
December 2, 2016: Acta Anaesthesiologica Taiwanica: Official Journal of the Taiwan Society of Anesthesiologists
https://www.readbyqxmd.com/read/27902670/ketamine-infusion-for-pain-control-in-acute-pediatric-sickle-cell-painful-crises
#5
Jonathan M Hagedorn, Evelyn C Monico
OBJECTIVES: Sickle cell disease is the most common hemoglobin variant in the world and can present with recurrent vaso-occlusive painful crises. Pain control in these patients is often difficult and requires a multimodal approach. In patients with uncontrolled pain after traditional pain control methods, ketamine infusions have proven beneficial. Unfortunately, no source alone had described ketamine infusions for pediatric sickle cell patients. Our objective was to provide a thorough definitive reference for health care providers regarding the use of ketamine infusion for pain control in pediatric sickle cell painful crises...
November 29, 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27901396/effects-of-dobutamine-hydrochloride-on-cardiovascular-function-in-horses-anesthetized-with-isoflurane-with-or-without-acepromazine-maleate-premedication
#6
Mara F Schier, Anthea L Raisis, Cristy J Secombe, Giselle Hosgood, Gabrielle C Musk, Guy D Lester
OBJECTIVE To determine the effects of acepromazine maleate premedication on cardiovascular function before and after infusion of dobutamine hydrochloride for 30 minutes in isoflurane-anesthetized horses. ANIMALS 6 healthy adult horses. PROCEDURES Each horse was anesthetized once following premedication with acepromazine (0.02 mg/kg, IV) administered 30 minutes prior to anesthetic induction (ACP+ treatment) and once without premedication (ACP- treatment). Anesthesia was induced with IV administration of xylazine hydrochloride (0...
December 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27893511/continuous-infusion-antiepileptic-medications-for-refractory-status-epilepticus-a-review-for-nurses
#7
Adam L Wiss, Michael Samarin, Jacob Marler, G Morgan Jones
Status epilepticus requires treatment with emergent initial therapy with a benzodiazepine and urgent control therapy with an additional antiepileptic drug (AED) to terminate clinical and/or electrographic seizure activity. However, nearly one-third of patients will prove refractory to the aforementioned therapies and are prone to a higher degree of neuronal injury, resistance to pharmacotherapy, and death. Current guidelines for refractory status epilepticus (RSE) recommend initiating a continuous intravenous (CIV) anesthetic over bolus dosing with a different AED...
January 2017: Critical Care Nursing Quarterly
https://www.readbyqxmd.com/read/27888525/breaking-sad-unleashing-the-breakthrough-potential-of-ketamine-s-rapid-antidepressant-effects
#8
David Feifel
Preclinical Research The surprising results of a small clinical trial on the effects of low dose ketamine, a 65-year old anesthetic drug that is also used off-label for chronic pain and recreationally as a club drug, in eight depressed subjects unleashed the most significant advance in antidepressant drug development in decades. That study and subsequent ones have demonstrated that low dose, infused ketamine is able to induce a remission of depression in patients who have failed conventional medications, within 24 h...
November 26, 2016: Drug Development Research
https://www.readbyqxmd.com/read/27878523/intravenous-ketamine-for-subacute-treatment-of-refractory-chronic-migraine-a-case-series
#9
Clinton Lauritsen, Santiago Mazuera, Richard B Lipton, Sait Ashina
BACKGROUND: Refractory migraine is a challenging condition with great impact on health related quality of life. Intravenous (IV) ketamine has been previously used to treat various refractory pain conditions. We present a series of patients with refractory migraine treated with intravenous ketamine in the hospital setting. METHODS: Based on retrospective chart review, we identified six patients with refractory migraine admitted from 2010 through 2014 for treatment with intravenous ketamine...
December 2016: Journal of Headache and Pain
https://www.readbyqxmd.com/read/27875784/anticonvulsant-effect-of-dextrometrophan-on-pentylenetetrazole-induced-seizures-in-mice-involvement-of-nitric-oxide-and-n-methyl-d-aspartate-receptors
#10
Gholamreza Mohseni, Sattar Ostadhadi, Reyhaneh Akbarian, Mohsen Chamanara, Abbas Norouzi-Javidan, Ahmad-Reza Dehpour
Dextrometrophan (DM), widely used as an antitussive, has recently generated interest as an anticonvulsant drug. Some effects of dextrometrophan are associated with alterations in several pathways, such as inhibition of nitric oxide synthase (NOS) enzyme and N-methyl d-aspartate (NMDA) receptors. In this study, we aimed to investigate the anticonvulsant effect of acute administration of dextrometrophan on pentylenetetrazole (PTZ)-induced seizures and the probable involvement of the nitric oxide (NO) pathway and NMDA receptors in this effect...
November 19, 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27853681/sedative-and-analgesic-effects-of-propofol-fentanyl-versus-propofol-ketamine-during-endoscopic-retrograde-cholangiopancreatography-a-double-blind-randomized-clinical-trial
#11
Fakhroddin Bahrami Gorji, Parviz Amri, Javad Shokri, Hakimeh Alereza, Ali Bijani
BACKGROUND: Endoscopic retrograde cholangiopancreatography (ERCP) is a painful procedure that requires analgesia and sedation. OBJECTIVES: In this study, we compared the analgesic and sedative effects of propofol-ketamine versus propofol-fentanyl in patients undergoing ERCP. METHODS: In this clinical trial, 72 patients, aged 30 - 70 years old, who were candidates for ERCP were randomly divided into two groups. Before the start of ERCP, both groups received midazolam 0...
October 2016: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/27851233/1598-evaluation-of-adjunctive-ketamine-infusions-in-postoperative-burn-patients
#12
Kate Pape, Brian Grieve, Lee Kral, Lucy Wibbenmeyer
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27851143/1507-impact-of-ketamine-on-the-use-of-continuous-opioid-infusion-in-mechanically-ventilated-patients
#13
Hsin Lin, Jessica Buchheit, Daniel Yeh, Matthias Eikermann
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27850491/853-ketamine-continuous-infusion-for-analgosedation-in-critically-ill-mechanically-ventilated-adults
#14
Jenna Smith, Elizabeth Gearhart, Svetolik Djurkovic
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27847695/combined-ketamine-tramadol-subcutaneous-wound-infiltration-for-multimodal-postoperative-analgesia-a-double-blinded-randomized-controlled-trial-after-renal-surgery
#15
Mohammad Reza Khajavi, Marzieh Navardi, Reza Shariat Moharari, Pejman Pourfakhr, Narjes Khalili, Farhad Etezadi, Farsad Imani
BACKGROUND: Pain is an important consideration after renal surgery. A multimodal approach to postoperative pain management could enhance analgesia by risking fewer side effects after surgery. OBJECTIVES: The aim of this study was to evaluate the clinical efficacy of the subcutaneous infiltration of ketamine and tramadol at the incision site to reduce postoperative pain. METHODS: Sixty-four patients between 18 and 80 years old who were scheduled for elective renal surgery were enrolled in a double-blind randomized controlled study...
October 2016: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/27842707/-tourniquet-induced-ischaemia-reperfusion-injury-the-comparison-of-antioxidative-effects-of-small-dose-propofol-and-ketamine
#16
Karaca Omer, Gogus Nermin, Ahiskalioglu Ali, Aksoy Mehmet, Dogus Unal, Kumas Solak Sezen, Kalafat Hakan
OBJECTIVES: The aim of the present study was to investigate the preventive effects of propofol and ketamine as small dose sedation during spinal anesthesia on tourniquet-induced ischemia-reperfusion injury. METHODS: Thirty patients were randomly assigned into two groups of fifteen patients. In the propofol group, sedation was performed with propofol 0.2mgkg(-1) followed by infusion at a rate of 2mgkg(-1)h(-1). In the ketamine group, a continuous infusion of ketamine 0...
November 11, 2016: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/27837330/reinforcing-properties-of-an-intermittent-low-dose-of-ketamine-in-rats-effects-of-sex-and-cycle
#17
Katherine N Wright, Caroline E Strong, Marjorie N Addonizio, Naomi C Brownstein, Mohamed Kabbaj
RATIONALE: Repeated intermittent exposure to ketamine has rapid and long-lasting antidepressant effects, but the abuse potential has only been assessed at high doses. Furthermore, while females are more susceptible to depression and more sensitive to ketamine's antidepressant-like effects, the abuse potential for ketamine in females is unknown. OBJECTIVES: The objectives of this study are to determine the reinforcing properties of low-dose intermittent ketamine in adult rats of both sexes and determine whether cycling gonadal hormones influence females' response to ketamine...
November 11, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27836553/how-much-alcohol-is-in-ketamine-s-antidepressant-action
#18
REVIEW
Udo Bonnet
Ketamine is approved to start and maintain anaesthesia or analgesia. Ketamine is also known to be neurotoxic and an old drug of abuse. Numerous studies have proven a rapid and strong antidepressant response (AR) following parenteral sub-anaesthetic ketamine doses when applied the first time to patients with treatment resistant unipolar or bipolar major depression. This rapid and robust AR is encouraging, though short-lived (usually up to seven days). There is growing evidence that repeated und escalating ketamine administrations exert longer-lasting AR than single infusions...
November 8, 2016: Life Sciences
https://www.readbyqxmd.com/read/27729865/effects-of-ketamine-on-resting-state-eeg-activity-and-their-relationship-to-perceptual-dissociative-symptoms-in-healthy-humans
#19
Sara de la Salle, Joelle Choueiry, Dhrasti Shah, Hayley Bowers, Judy McIntosh, Vadim Ilivitsky, Verner Knott
N-methyl-D-aspartate (NMDA) receptor antagonists administered to healthy humans results in schizophrenia-like symptoms, which preclinical research suggests are due to glutamatergically altered brain oscillations. Here, we examined resting-state electroencephalographic activity in 21 healthy volunteers assessed in a placebo-controlled, double-blind, randomized study involving administration of either a saline infusion or a sub-anesthetic dose of ketamine, an NMDA receptor antagonist. Frequency-specific current source density (CSD) was assessed at sensor-level and source-level using eLORETA within regions of interest of a triple network model of schizophrenia (this model posits a dysfunctional switching between large-scale Default Mode and Central Executive networks by the monitor-controlling Salience Network)...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27718369/change-in-cytokine-levels-is-not-associated-with-rapid-antidepressant-response-to-ketamine-in-treatment-resistant-depression
#20
Minkyung Park, Laura E Newman, Philip W Gold, David A Luckenbaugh, Peixiong Yuan, Rodrigo Machado-Vieira, Carlos A Zarate
Several pro-inflammatory cytokines have been implicated in depression and in antidepressant response. This exploratory analysis assessed: 1) the extent to which baseline cytokine levels predicted positive antidepressant response to ketamine; 2) whether ketamine responders experienced acute changes in cytokine levels not observed in non-responders; and 3) whether ketamine lowered levels of pro-inflammatory cytokines, analogous to the impact of other antidepressants. Data from double-blind, placebo-controlled studies of patients with major depressive disorder (MDD) or bipolar disorder (BD) who received a single infusion of sub-anesthetic dose ketamine were used (N = 80)...
January 2017: Journal of Psychiatric Research
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