British journal of anaesthesia
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Randomized Controlled Trial
Melatonin treatment has consistent but transient beneficial effects on sleep measures and pain in patients with severe chronic pain: the DREAM-CP randomised controlled trial.
Sleep disturbance is a major issue for patients with chronic pain. Melatonin has been shown to improve symptoms of fibromyalgia, but its efficacy in other chronic non-malignant pain conditions is not fully known. Hence, we determined the effect of melatonin in patients with severe noncancer chronic pain. ⋯ ISRCTN12861060.
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Observational Study
Postoperative troponin surveillance to detect myocardial infarction: an observational cohort modelling study.
Clinical presentation of postoperative myocardial infarction (POMI) is often silent. Several international guidelines recommend routine troponin surveillance in patients at risk. We compared how these different guidelines select patients for surveillance after noncardiac surgery with our established risk stratification model. ⋯ Most postoperative myocardial infarctions were detected by the Canadian and European guidelines but at the cost of low specificity and a higher number of patients undergoing screening. Patient selection based on our risk stratification model was optimal.
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Type 2 diabetes mellitus is an increasingly common long-term condition, and suboptimal perioperative glycaemic control can lead to postoperative harms. The advent of new antidiabetic drugs, in particular glucagon-like peptide-1 (GLP-1) receptor agonists and sodium-glucose cotransporter 2 (SGLT2) inhibitors, has enabled perioperative continuation of these medicines, thus avoiding the harms of variable rate i.v. insulin infusions whilst providing glycaemic control. ⋯ In this commentary, we argue that GLP-1 receptor agonists should continue during the perioperative period and that SGLT2 inhibitors should only be omitted the day prior to a planned procedure. The reasons for the differing advice advocated between regulatory agencies and what anaesthetic practitioners should do in the face of continuing uncertainty are discussed.
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Multicenter Study
Association of ketamine use during procedural sedation with oxygen desaturation and healthcare utilisation: a multicentre retrospective hospital registry study.
We investigated the effects of ketamine on desaturation and the risk of nursing home discharge in patients undergoing procedural sedation by anaesthetists. ⋯ Ketamine use for procedural sedation was associated with an increased risk of oxygen desaturation and discharge to a nursing home. The effect was dose-dependent and magnified in subgroups of vulnerable patients.
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Postoperative patient-centred outcome measures are essential to capture the patient's experience after surgery. Although a large number of pharmacologic opioid minimisation strategies (i.e. opioid alternatives) are used for patients undergoing surgery, it remains unclear which strategies are most promising in terms of patient-centred outcome improvements. This scoping review had two main objectives: (1) to map and describe evidence from clinical trials assessing the patient-centred effectiveness of pharmacologic intraoperative opioid minimisation strategies in adult surgical patients, and (2) to identify promising pharmacologic opioid minimisation strategies. ⋯ OSF - https://osf.io/7kea3.