Articles: anesthetics.
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J. Cardiothorac. Vasc. Anesth. · Nov 2023
EditorialMechanisms of Action of the Detrimental Effects of Propofol on Survival.
Due to its favorable pharmacologic features, propofol is the most commonly used hypnotic agent in perioperative and intensive care settings. However, it also has adverse effects like propofol infusion syndrome and an increased risk of infection. Growing evidence suggests that propofol may worsen clinical outcomes by inhibiting the organ-protective properties of other interventions, such as volatile anesthetics or remote ischemic preconditioning. This editorial describes possible mechanisms underlying the detrimental effects of propofol, and provides an overview of the results of clinical trials evaluating the effects of propofol in various settings.
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Editorial Comment Review
Consensus guidelines, Delphi methods, and evidence around anaesthetic technique for endoscopic retrograde cholangiopancreatography.
Consensus guidelines on the anaesthetic management of endoscopic retrograde cholangiopancreatography (ERCP) have recently been published. The rigorous synthesis of expert opinion is invaluable when there are limited data, and these guidelines are a significant step forward. This review both guides practice and identifies important research questions. We challenge those working in this field to collaborate and produce the evidence for whether monitored anaesthesia care (MAC) is associated with a lower incidence of adverse events and better outcomes than general anaesthesia for ERCP.
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Editorial Comment
The art of chasing numbers in titration of anaesthetic dose.
There is no difference in between-patient variability of concentrations when comparing propofol and sevoflurane titrated to a bispectral index of 40-60. There is about a 300% variation in hypnotic concentration between the bottom 5% and top 5% of the population. Anaesthesia titration cannot be based solely on measured or estimated drug concentrations.
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The need to introduce guidelines on neuromuscular monitoring emphasising the use of quantitative techniques that record the train-of-four ratio is now recognised by an increasing number of national anaesthetic societies in the Western world. But the challenge of convincing individual anaesthetists to adopt and use this practice routinely remains. For >10 yr, it has been recognised that all staff in anaesthetic departments need to have regular training in modern neuromuscular monitoring techniques. We discuss a publication in this journal that describes the challenges of setting up multicentre training in Spain to expand the use of quantitative neuromuscular monitoring and their short-term results.
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Editorial Comment
Liposomal bupivacaine: Defining efficacy, how effective is effective?