The aim of this short narrative review was to evaluate the existing literature regarding the clinical use of ketamine among individuals with dementia, especially those with behavioral disturbances. PubMed, Cochrane, and Ovid (Embase, APA PsycINFO, and MEDLINE) databases were searched for abstracts using the search terms "ketamine" AND "dementia." Only articles describing the use of ketamine in...
Glutamatergic N-methyl-D-aspartate (NMDA) receptors play vital roles in memory formation. Changes in the activity of these receptors influence memory processes. Ketamine is a noncompetitive NMDA receptor antagonist drug with promising mood-altering and pain-reducing effects in low doses. These effects are believed to be related to altered serotonergic transmission. The present study...
In postoperative patients in the intensive care units (ICUs), not only analgesics are needed but also sedation so that the patient can remain calm during treatment, especially patients with mechanical ventilation. By using the measurement parameters of the quantum consciousness index (qCON) and quantum noxious index (qNOX) in measuring the depth of sedation and adequacy of analgesics, the use...
ESKALE is a French, multicentre, observational study of adults with treatment-resistant depression (TRD) treated with esketamine. This interim analysis describes baseline demographic and clinical characteristic evolution in patients included and treated from early access program to post-marketing launch. Data were collected from medical records and included patient characteristics, disease...
Ketamine-assisted psychotherapy (KAP) is an emerging treatment option to alleviate treatment-resistant affective disorders, but its long-term effectiveness remains unclear. To examine the treatment effects of KAP on anxiety, depression, and post-traumatic stress disorder (PTSD) at 1, 3, and 6 months post-treatment. This retrospective effectiveness study included self-reported outcomes from...
Alcohol use disorder (AUD) is widespread and problematic in the United States, and current pharmacotherapy options have relatively modest effects. Therefore, novel interventions such as ketamine therapy have gained interest as potentially efficacious options, known to generate unique psychotherapeutic experiences. The present secondary analysis examines the acute subjective experiences-both...
Propofol is effective and used as a kind of routine anesthetics in procedure sedative anesthesia (PSA) for ureteroscopy. However, respiratory depression and unconscious physical activity always occur during propofol-based PSA, especially in elderly patients. Esketamine has sedative and analgesic effects but without risk of cardiorespiratory depression. The purpose of this study is to...
This case study explores how an Intensive Care Paramedic (ICP) experienced a significant decline in his diagnosed chronic post-traumatic stress disorder (PTSD) and co-morbid depression and anxiety symptoms following a spontaneous episode of Rapid Atrial Fibrillation (AF) treated with ketamine and cardioversion emergency medical intervention. This article explores how by using therapeutic...
Ketamine is an N-methyl-D-aspartate (NMDA)-receptor antagonist that produces sedation, analgesia, and dissociation at low doses and profound unconsciousness with antinociception at high doses. At high and low doses, ketamine can generate gamma oscillations (>25 Hz) in the electroencephalogram (EEG). The gamma oscillations are interrupted by slow-delta oscillations (0.1 to 4 Hz) at high doses....
Parkinson's disease (PD) remains the most common neurodegenerative disease worldwide, seriously affecting the normal life of patients. Currently, there is no effective clinical cure for PD. In this study, the research team explored the effect of ketamine (KET) on PD, which can lay a reliable foundation for future KET treatment of PD. First, the research team established a PD rat model with...
Stress affects the brain and alters its neuroarchitecture and function; these changes can be severe and lead to psychiatric disorders. Recent evidence suggests that astrocytes and microglia play an essential role in the stress response by contributing to the maintenance of cerebral homeostasis. These cells respond rapidly to all stimuli that reach the brain, including stressors. Here, we used a...
Despite the implementation of various postoperative management strategies, the prevalence of postoperative fatigue syndrome (POFS) remains considerable among individuals undergoing laparoscopic radical gastrectomy. While the N-methyl-D-aspartic acid receptor antagonist esketamine has demonstrated efficacy in enhancing sleep quality and alleviating postoperative pain, its impact on POFS remains...
Depression is a chronic, severe, and often life-threatening neurological disorder. It not only causes depression in patients and affects daily life but, in severe cases, may lead to suicidal behavior and have adverse effects on families and society. In recent years, it has been found that sub-anesthetic doses of ketamine have a rapid antidepressant effect on patients with treatment-resistant...
Fear-related disorders, including post-traumatic stress disorder (PTSD), and anxiety disorders are pervasive psychiatric conditions marked by persistent fear, stemming from its dysregulated acquisition and extinction. The primary treatment for these disorders, exposure therapy (ET), relies heavily on fear extinction (FE) principles. Adolescence, a vulnerable period for developing psychiatric...
Various studies have reported conflicting results regarding the effect of ketamine on cognitive function, although increasing evidence supports its impact. This study aimed to investigate the potential correlation between Ketamine usage and memory deterioration, which is crucial for informing clinical practice and public health interventions. A systematic review was conducted, and six databases...
The underlying brain mechanisms of ketamine in treating chronic suicidality and the characteristics of patients who will benefit from ketamine treatment remain unclear. To address these gaps, we investigated temporal variations of brain functional synchronisation in patients with suicidality treated with ketamine in a 6-week open-label oral ketamine trial. The trial's primary endpoint was the...
Depression is a devastating mood disorder that causes significant disability worldwide. Current knowledge of its pathophysiology remains modest and clear biological markers are lacking. Emerging evidence from human and animal models reveals persistent alterations in endoplasmic reticulum (ER) homeostasis, suggesting that ER stress-related signaling pathways may be targets for prevention and...
To prospectively determine the median effective dose (ED50) of propofol for inhibiting a response to laryngeal mask airway (LMA) insertion when combined with different doses of esketamine in female patients. A total of 58 female patients (aged 20-60 years, ASAⅠ-Ⅱ) scheduled for elective hysteroscopy were enrolled and randomly divided into 2 groups, one of which was administered 0.2 mg/kg of...
The antidepressant effects of ketamine and esketamine are well-documented. Nonetheless, most of the underlying molecular mechanisms have to be uncovered yet. In the last decade, metabolomics has emerged as a useful means to investigate the metabolic phenotype associated with depression as well as changes induced by antidepressant treatments. This mini-review aims at summarizing the main...