Trimethoxybenzoyl-glycine-diethylamide induced in dogs and cats normal sleep without preceding ataxia. A five- to ten-fold increase of the soporific dose resulted in restlessness and disorientation instead of sleep. In man, oral doses of 500 to 1500 mg caused sedation or drowsiness, or both, in half the cases. No spindling or drug-induced artifacts were found in electroencephalographic recordings.
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http://dx.doi.org/10.1126/science.128.3338.1570 | DOI Listing |
BMJ Open
January 2025
Department of Anesthesiology and Perioperative medicine, Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, People's Republic of China
Introduction: Propofol is a fast-acting intravenous anaesthetic widely used for sedation and anaesthesia in gastrointestinal endoscopy, bronchoscopy, and the induction/maintenance of general anaesthesia in outpatients and inpatients; however, propofol has several undesirable effects, including injection pain, which affects the physical and mental health of patients, and cardiopulmonary depression, characterised by hypotension, bradycardia and apnea, which commonly occur in clinical practice. Ciprofol (HSK3486) is a propofol analogue with good clinical safety, high potency and some advantages over propofol, including lower injection pain and haemodynamic depression in patients undergoing gastroscopy and colonoscopy. This study aims to compare the impact of equivalent effective doses of propofol and ciprofol on haemodynamic changes in patients undergoing bronchoscopy under general anaesthesia.
View Article and Find Full Text PDFDrugs Aging
January 2025
The Dementia Centre, HammondCare, St Leonards, NSW, Australia.
Background And Objectives: Despite their limited benefits and serious adverse effects, psychotropics remain frequently prescribed for neuropsychiatric symptoms (NPS) of dementia. Psychotropic polypharmacy, the use of two or more concomitant psychotropic medications, is therefore not recommended for people with dementia. The objectives of this study were to investigate the prevalence of psychotropic polypharmacy in Australians living with dementia whose caregivers sought external NPS support from Dementia Support Australia (DSA; the national provider of NPS support) and the association of psychotropic polypharmacy with their demographics and NPS characteristics.
View Article and Find Full Text PDFBr J Anaesth
January 2025
Department of Anesthesiology, Duke University School of Medicine, Durham, NC, USA; Bermaride LLC, Durham, NC, USA. Electronic address:
Background: Patients with obstructive sleep apnoea (OSA) are considered more sensitive to opioids and at increased risk of opioid-induced respiratory depression. Nonetheless, whether OSA treatment (continuous positive airway pressure, CPAP; or bilevel positive airway pressure, BIPAP) modifies this risk remains unknown. Greater opioid sensitivity can arise from altered pharmacokinetics or pharmacodynamics.
View Article and Find Full Text PDFBMC Cancer
January 2025
Department of Anesthesiology, Harbin Medical University Cancer Hospital, 150 Haping Rd, Nangang District, Harbin, Heilongjiang, 150081, China.
Background: Different anesthetic drugs and techniques may affect survival outcomes for gastric cancer (GC) after surgery. In this study, we investigated the association between sedated and unsedated gastroscopy on survival outcomes in patients with GC after surgery.
Methods: This was a retrospective study of patients who were diagnosed with GC by gastroscopy and underwent gastrectomy from January 2013 to December 2017.
BMC Med
December 2024
Department of Primary and Community Care, Radboud University Medical Centre, Radboud Institute for Health Sciences, Geert Grooteplein 10, Nijmegen, 6500HB, the Netherlands.
Background: Palliative sedation involves the intentional proportional lowering of the level of consciousness in patients with life-limiting disease who are experiencing refractory suffering. The efficacy of palliative sedation needs to be monitored to ensure patient comfort. The aim of this study was to evaluate the efficacy using discomfort levels combined with sedation/agitation levels.
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