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Ketamine

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41. Effects of Ketamine on Brain Activity During Emotional Processing: Differential Findings in Depressed Versus Healthy Control Participants. (Abstract)

Effects of Ketamine on Brain Activity During Emotional Processing: Differential Findings in Depressed Versus Healthy Control Participants. In the search for novel treatments for depression, ketamine has emerged as a unique agent with rapid antidepressant effects. Experimental tasks involving emotional processing can be used during functional magnetic resonance imaging scanning to investigate ketamine's effects on brain function in major depressive disorder (MDD). This study examined ketamine's (...) effects on functional magnetic resonance imaging activity during an emotional processing task.A total of 33 individuals with treatment-resistant MDD and 24 healthy control participants (HCs) took part in this double-blind, placebo-controlled crossover study. Participants received ketamine and placebo infusions 2 weeks apart, and functional magnetic resonance imaging scans were conducted at baseline and 2 days after each infusion. Blood oxygen level-dependent signal was measured during an emotional

2019 Biological psychiatry. Cognitive neuroscience and neuroimaging Controlled trial quality: uncertain

42. Dexamethasone Versus Ketamine in the Interscalene Block in Patients Undergoing Arthroscopic Shoulder Surgery: A Randomized Double-Blinded Study. (Abstract)

Dexamethasone Versus Ketamine in the Interscalene Block in Patients Undergoing Arthroscopic Shoulder Surgery: A Randomized Double-Blinded Study. Arthroscopic shoulder surgery (ASS) is often followed by severe pain. Interscalene brachial plexus block (ISB) was used to relieve such pain. The aim of the study was to compare the effect of adding either dexamethasone or ketamine to ISB on time to the fi rst request for analgesia.Sixty patients scheduled for ASS were enrolled in this study. Before (...) induction of general anaesthesia, patients were randomly allocated to two groups; in Group D, patients received ISB with bupivacaine 0.3%, 5 mL lidocaine 2% plus 8 mg dexamethasone. Whereas in Group K, patients received ISB with bupivacaine 0.3%, 5 mL lidocaine 2% plus 50 mg ketamine. Time to the fi rst administration of supplemental analgesic postoperative was our primary concern. Secondary outcomes included pain score, patient satisfaction, and side effects of either block or drugs. Student's t-test

2019 Asian journal of anesthesiology Controlled trial quality: uncertain

43. Comparing the analgesic efficacy of morphine plus ketamine versus morphine plus placebo in patients with acute renal colic: A double-blinded randomized controlled trial (Abstract)

Comparing the analgesic efficacy of morphine plus ketamine versus morphine plus placebo in patients with acute renal colic: A double-blinded randomized controlled trial Renal colic (RC) is a common cause for emergency department visits. This study was conducted to compare the analgesic efficacy of morphine plus ketamine (MK) versus morphine plus placebo (MP) in patients with acute renal colic.Using a single center, double-blind, two-arm, parallel-group, randomized controlled trial, 200 patients (...) were equally and randomly divided to receive 0.1 mg/kg morphine plus normal saline and 0.1 mg/kg morphine plus 0.2 mg/kg ketamine. The severity of renal colic was assessed by VAS at baseline, 20 and 40 min after drug injection. The number of adverse events also was recorded.Totally, 200 patients completed the study. Mean age of the patients was 35.60 ± 8.17 years. The patients were mostly men (68.5%). The severity of pain between the groups was not significantly different at baseline. Both groups

2019 EvidenceUpdates

44. Prolonged Perioperative Use of Pregabalin and Ketamine to Prevent Persistent Pain after Cardiac Surgery (Abstract)

Prolonged Perioperative Use of Pregabalin and Ketamine to Prevent Persistent Pain after Cardiac Surgery Persistent postsurgical pain is common and affects quality of life. The hypothesis was that use of pregabalin and ketamine would prevent persistent pain after cardiac surgery.This randomized, double-blind, placebo-controlled trial was undertaken at two cardiac surgery centers in the United Kingdom. Adults without chronic pain and undergoing any elective cardiac surgery patients via sternotomy (...) were randomly assigned to receive either usual care, pregabalin (150 mg preoperatively and twice daily for 14 postoperative days) alone, or pregabalin in combination with a 48-h postoperative infusion of intravenous ketamine at 0.1 mg · kg · h. The primary endpoints were prevalence of clinically significant pain at 3 and 6 months after surgery, defined as a pain score on the numeric rating scale of 4 or higher (out of 10) after a functional assessment of three maximal coughs. The secondary outcomes

2019 EvidenceUpdates

45. Comparing intranasal ketamine with intravenous fentanyl in reducing pain in patients with renal colic: A double-blind randomized clinical trial (Abstract)

Comparing intranasal ketamine with intravenous fentanyl in reducing pain in patients with renal colic: A double-blind randomized clinical trial Kidney stones are a fairly common problem that manifests itself as symptoms of acute abdominal and flank pains in patients presenting to emergency departments.The present study was conducted to compare the analgesic effect of intravenous fentanyl with that of intranasal ketamine in renal colic patients.One mg/kg of intranasal ketamine was administered (...) in the first group, and one μg/kg of intravenous fentanyl in the second group. The pain severity was measured in the patients in terms of a visual analogue scale (VAS) score at the beginning of the study and at minutes 5, 15 and 30, and the medication side-effects were evaluated and recorded.A total of 130 patients were ultimately assessed in two groups of 65. In the ketamine group, the mean severity of pain was 8.72 ± 1.52 at the beginning of the study (P < 0.001), 5.5 ± 2.97 at minute 5 (P < 0.001

2019 EvidenceUpdates

46. Single, Repeated, and Maintenance Ketamine Infusions for Treatment-Resistant Depression: A Randomized Controlled Trial (Abstract)

Single, Repeated, and Maintenance Ketamine Infusions for Treatment-Resistant Depression: A Randomized Controlled Trial Subanesthetic ketamine doses have been shown to have rapid yet transient antidepressant effects in patients with treatment-resistant depression, which may be prolonged by repeated administration. The purpose of this study was to evaluate the antidepressant effects of a single ketamine infusion, a series of repeated ketamine infusions, and prolongation of response (...) with maintenance infusions.Forty-one participants with treatment-resistant depression completed a single-site randomized double-blind crossover comparison of single infusions of ketamine and midazolam (an active placebo control). After relapse of depressive symptoms, participants received a course of six open-label ketamine infusions administered thrice weekly over 2 weeks. Responders, classified as those participants who had a ≥50% decrease in their scores on the Montgomery-Åsberg Depression Rating Scale

2019 EvidenceUpdates

47. Subdissociative-dose Ketamine Is Effective for Treating Acute Exacerbations of Chronic Pain (Abstract)

Subdissociative-dose Ketamine Is Effective for Treating Acute Exacerbations of Chronic Pain Subdissociative-dose ketamine (SDDK) is used to treat acute pain. We sought to determine if SDDK is effective in relieving acute exacerbations of chronic pain.This study was a randomized double-blind placebo-controlled trial conducted May 2017 to June 2018 at a public teaching hospital (ClinicalTrials.gov #NCT02920528). The primary endpoint was a 20-mm decrease on a 100-mm visual analog scale (VAS) at 60 (...) minutes. Power analysis using three groups (0.5 mg/kg ketamine, 0.25 mg/kg ketamine, or placebo infused over 20 minutes) estimated that 96 subjects were needed for 90% power. Inclusion criteria included age > 18 years, chronic pain > 3 months, and acute exacerbation (VAS ≥ 70 mm). Pain, agitation, and sedation were assessed by VAS at baseline and 20, 40, and 60 minutes after initiation of study drug. Telephone follow-up at 24 to 48 hours used a 10-point numeric rating scale for pain.A total of 106

2019 EvidenceUpdates

48. Chronic pain: oral ketamine

Chronic pain: oral ketamine Chronic pain: or Chronic pain: oral k al ketamine etamine Evidence summary Published: 25 February 2014 nice.org.uk/guidance/esuom27 pathways K Ke ey points from the e y points from the evidence vidence The content of this evidence summary was up-to-date in February 2014. See summaries of product characteristics (SPCs), British national formulary (BNF), BNF for children (BNFc) or the MHRA or NICE websites for up-to-date information. Summary Two small, short-term (...) , randomised, placebo-controlled trials and 1 small case series of n-of-1 trials provide no good quality evidence for the use of oral ketamine to treat chronic pain in adults. Only 1 phase I pilot study in young people was identified but this was too small and short-term to draw any firm conclusions about the efficacy and safety of oral ketamine for treating chronic pain in young people. In the studies that reported safety, oral ketamine was frequently associated with adverse effects that often resulted

2014 National Institute for Health and Clinical Excellence - Advice

49. Effect of Intranasal Ketamine vs Fentanyl on Pain Reduction for Extremity Injuries in Children: The PRIME Randomized Clinical Trial Full Text available with Trip Pro

Effect of Intranasal Ketamine vs Fentanyl on Pain Reduction for Extremity Injuries in Children: The PRIME Randomized Clinical Trial Timely analgesia is critical for children with injuries presenting to the emergency department, yet pain control efforts are often inadequate. Intranasal administration of pain medications provides rapid analgesia with minimal discomfort. Opioids are historically used for significant pain from traumatic injuries but have concerning adverse effects. Intranasal (...) ketamine may provide an effective alternative.To determine whether intranasal ketamine is noninferior to intranasal fentanyl for pain reduction in children presenting with acute extremity injuries.The Pain Reduction With Intranasal Medications for Extremity Injuries (PRIME) trial was a double-blind, randomized, active-control, noninferiority trial in a pediatric, tertiary, level 1 trauma center. Participants were children aged 8 to 17 years presenting to the emergency department with moderate to severe

2019 EvidenceUpdates

50. Effects of low-dose ketamine infusion on remifentanil-induced acute opioid tolerance and the inflammatory response in patients undergoing orthognathic surgery Full Text available with Trip Pro

Effects of low-dose ketamine infusion on remifentanil-induced acute opioid tolerance and the inflammatory response in patients undergoing orthognathic surgery Remifentanil is associated with acute opioid tolerance that can lead to increased postoperative consumption of opioid analgesics. The purpose of this study was to determine whether a low dose of ketamine prevents remifentanil-induced acute opioid tolerance and affects the neutrophil-lymphocyte ratio (NLR), a newly recognized biomarker (...) of inflammation.Forty patients undergoing orthognathic surgery were enrolled in this prospective, randomized, double-blind study and randomly assigned to intraoperative administration of one of the following anesthetic regimens: high-dose remifentanil (0.6 µg/kg/minute); low-dose remifentanil (0.2 µg/kg/minute); or high-dose remifentanil with ketamine (remifentanil 0.6 µg/kg/minute with 0.5 mg/kg ketamine just after induction followed by an intraoperative infusion of ketamine 5 µg/kg/minute until wound closure

2019 EvidenceUpdates

51. Premedication With Midazolam or Haloperidol to Prevent Recovery Agitation in Adults Undergoing Procedural Sedation With Ketamine: A Randomized Double-Blind Clinical Trial (Abstract)

Premedication With Midazolam or Haloperidol to Prevent Recovery Agitation in Adults Undergoing Procedural Sedation With Ketamine: A Randomized Double-Blind Clinical Trial We evaluate the effect of midazolam and haloperidol premedication for reducing ketamine-induced recovery agitation in adult patients undergoing procedural sedation. We also compare physician satisfaction and recovery time.We randomized emergency department patients older than 18 years who needed procedural sedation to receive (...) 1 of the following 3 interventions in double-blind fashion 5 minutes before receiving intravenous ketamine at 1 mg/kg: intravenous distilled water, intravenous midazolam at 0.05 mg/kg, or intravenous haloperidol at 5 mg. Our main study outcomes were recovery agitation as assessed by the maximum observed Pittsburgh Agitation Scale score and by the Richmond Agitation-Sedation Scale score at 5, 15, and 30 minutes after ketamine administration. Our secondary outcomes were clinician satisfaction

2019 EvidenceUpdates

52. Ketamine and other glutamate receptor modulators for depression in adults. (Abstract)

Ketamine and other glutamate receptor modulators for depression in adults. Considering the ample evidence of involvement of the glutamate system in the pathophysiology of depression, pre-clinical and clinical studies have been conducted to assess the antidepressant efficacy of glutamate inhibition, and glutamate receptor modulators in particular. This review focuses on the use of glutamate receptor modulators in unipolar depression.To assess the effects - and review the acceptability (...) - of ketamine and other glutamate receptor modulators in comparison to placebo (or saline placebo), other pharmacologically active agents, or electroconvulsive therapy (ECT) in alleviating the acute symptoms of depression in people with unipolar major depressive disorder.We searched the Cochrane Depression, Anxiety and Neurosis Review Group's Specialised Register (CCDANCTR, to 9 January 2015). This register includes relevant randomised controlled trials (RCTs) from: the Cochrane Library (all years), MEDLINE

2015 Cochrane

53. Ketamine and other glutamate receptor modulators for depression in bipolar disorder in adults. (Abstract)

Ketamine and other glutamate receptor modulators for depression in bipolar disorder in adults. There is emerging evidence that glutamatergic system dysfunction might play an important role in the pathophysiology of bipolar depression. This review focuses on the use of glutamate receptor modulators for depression in bipolar disorder.1. To assess the effects of ketamine and other glutamate receptor modulators in alleviating the acute symptoms of depression in people with bipolar disorder.2 (...) . To review the acceptability of ketamine and other glutamate receptor modulators in people with bipolar disorder who are experiencing acute depression symptoms.We searched the Cochrane Depression, Anxiety and Neurosis Review Group's Specialised Register (CCDANCTR, to 9 January 2015). This register includes relevant randomised controlled trials (RCTs) from: the Cochrane Library (all years), MEDLINE (1950 to date), EMBASE (1974 to date), and PsycINFO (1967 to date). We cross-checked reference lists

2015 Cochrane

54. Intranasal Ketamine Administration for Narcotic Dose Decrement in Patients Suffering from Acute Limb Trauma in Emergency Department: a Double-Blind Randomized Placebo-Controlled Trial. (Abstract)

Intranasal Ketamine Administration for Narcotic Dose Decrement in Patients Suffering from Acute Limb Trauma in Emergency Department: a Double-Blind Randomized Placebo-Controlled Trial. pain management is an important and challenging issue in emergency medicine. Despite the conduct of several studies on this topic, pain is still handled improperly in many cases.This study investigated the effectiveness of low-dose IN ketamine administration in reducing the need for opiates in patients in acute (...) pain resulting from limb injury.This randomized, double-blind, placebo-controlled trial was conducted to assess the possible effect of low-dose intranasal (IN) ketamine administration in decreasing patients' narcotic need. Patients in emergency department suffering from acute isolated limb trauma were included. One group of patients received 0.5 mg/kg intravenous morphine sulfate and 0.02 ml/kg IN ketamine. The other group received the same dose of morphine sulfate and 0.02 ml/kg IN distilled water

2018 Advanced journal of emergency medicine Controlled trial quality: uncertain

55. Propofol-Ketamine vs. Propofol-Fentanyl Combinations in Patients Undergoing Closed Reduction: A Randomized, Double-blind, Clinical Trial. (Abstract)

Propofol-Ketamine vs. Propofol-Fentanyl Combinations in Patients Undergoing Closed Reduction: A Randomized, Double-blind, Clinical Trial. Painful surgical procedures require adequate sedation and analgesia. A vast array of medications can be used for Procedural Sedation and Analgesia (PSA) in Emergency Departments (EDs).The present study was conducted to compare Propofol-Ketamine (PK) and Propofol-Fentanyl (PF) compounds in patients undergoing closed reduction in EDs.This randomized, double (...) -blind, clinical trial was conducted on 110 consecutive patients who required sedation for closed reduction. The patients were randomly divided into two groups of equal sizes. The PK group received an intravenous bolus of 1 mg/kg of propofol plus 0.5 mg/kg of ketamine, and the PF group received an intravenous bolus of 1 mg/kg of propofol plus 1 µg/kg of fentanyl. The analgesic effect and success rate were the primary outcomes under study.The PK group achieved more effective analgesia at the end

2018 Advanced journal of emergency medicine Controlled trial quality: uncertain

56. The Use of Ketamine to Treat Suicidal Ideation

The Use of Ketamine to Treat Suicidal Ideation "The Use of Ketamine to Treat Suicidal Ideation" by Angelia C. Smith < > > > > > Title Author Date of Graduation Summer 8-12-2017 Degree Type Capstone Project Degree Name Master of Science in Physician Assistant Studies Rights . Abstract Background: Suicide is one of the leading causes of death in the United States. Research has shown that the glutamate N-methyl-D-aspartate (NMDA) receptor antagonist ketamine can significantly decrease depressive (...) symptoms, which is a leading cause of suicidal ideation (SI). Preliminary research has shown that ketamine effectively reduces SI. The purpose of this systematic review is to expand on the current understanding of ketamine as a way to treat SI. Methods: An exhaustive search of available medical literature was preformed using OVID, Google Scholar and Web of Science. Keywords included suicide and ketamine. Quality of the eligible studies were evaluated using the Cochrane GRADE method. Results: Two

2017 Pacific University EBM Capstone Project

57. Characteristics of patients expressing an interest in ketamine treatment: results of an online survey Full Text available with Trip Pro

Characteristics of patients expressing an interest in ketamine treatment: results of an online survey Off-label ketamine treatment has shown acute antidepressant effects that offer hope for patients with therapy-resistant depression. However, its potential for integration into treatment algorithms is controversial, not least because the evidence base for maintenance treatment with repeated ketamine administration is currently weak. Ketamine is also a drug of misuse, which has raised concerns (...) regarding the target population. Little is known about which patients would seek ketamine treatment if it were more widely available.To explore some of the characteristics of the patients actively seeking ketamine treatment.An online survey containing questions about duration of current depressive episode, number of antidepressants used and other comments was completed by patients who were exploring the internet regarding the possibility of ketamine for depression.Of the 1088 people who registered

2018 BJPsych open

58. Comparison of ketamine-propofol and ketamine-dexmedetomidine combinations in children for sedation during tooth extraction. (Abstract)

Comparison of ketamine-propofol and ketamine-dexmedetomidine combinations in children for sedation during tooth extraction. To evaluate the efficiency of ketamine-propofol and ketamine-dexmedetomidine drugs in children for sedation during tooth extraction.The randomised, prospective study was conducted at the Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Erciyes University, Kayseri, Turkey, from September to November 2013, and comprised children who were due to undergo (...) tooth extraction. Non-invasive blood pressures (systolic and diastolic), peripheral oxygen saturation, heart and respiratory rates and Ramsay Sedation Scores were assessed at baseline, after applying the drugs and then every 5 minutes thereafter. Further, the ketamine-propofol group received 1mg kg-1 of ketamine and propofol, and the ketamine-dexmedetomidine group received 1mg kg-1 of ketamine + 0.5 µg kg1 of dexmedetomidine.Of the 60 participants, there were 30 (50%) in each group. No statistically

2017 JPMA. The Journal of the Pakistan Medical Association Controlled trial quality: uncertain

59. Dexmedetomidine, Ketamine and Dexmetedomidine-Ketamine Combination for Control of Shivering During Regional Anaethesia

Dexmedetomidine, Ketamine and Dexmetedomidine-Ketamine Combination for Control of Shivering During Regional Anaethesia Dexmedetomidine, Ketamine and Dexmetedomidine-Ketamine Combination for Control of Shivering During Regional Anaethesia - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum (...) number of saved studies (100). Please remove one or more studies before adding more. Dexmedetomidine, Ketamine and Dexmetedomidine-Ketamine Combination for Control of Shivering During Regional Anaethesia The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our for details. ClinicalTrials.gov Identifier: NCT03302351 Recruitment Status : Completed First

2017 Clinical Trials

60. Pediatric premedication: a double-blind randomized trial of dexmedetomidine or ketamine alone versus a combination of dexmedetomidine and ketamine. Full Text available with Trip Pro

Pediatric premedication: a double-blind randomized trial of dexmedetomidine or ketamine alone versus a combination of dexmedetomidine and ketamine. 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.A total of 135 children, aged 2-5 years and American Society of Anesthesiologists status I-II, scheduled for eye surgery were randomly allocated to receive intranasal dexmedetomidine 2.5 μg/kg (group D), oral ketamine 3 mg/kg and intranasal dexmedetomidine 2 μg/kg (group DK), or oral ketamine 6 mg/kg (group K) 30 min before surgery. Sedation state

2017 BMC Anesthesiology Controlled trial quality: uncertain

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