Articles: anesthesia.
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Randomized Controlled Trial
Liposomal Bupivacaine for Peripheral Nerve Blockade: A Randomized, Controlled, Crossover, Triple-Blinded Pharmacodynamic Study in Volunteers.
Little is known about the pharmacodynamic characteristics of liposomal bupivacaine. Hypothesizing that they would not identify pharmacodynamic differences from plain bupivacaine during the initial period after administration, but would find better long-term pharmacodynamic characteristics, the authors designed a randomized, controlled, triple-blinded, single-center study in volunteers. ⋯ The results show that liposomal bupivacaine is not a suitable "sole" drug for intraoperative regional anesthesia. Findings of its limited long-term efficacy add to existing evidence that a moderate effect, at best, should be expected on postoperative pain therapy.
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General anesthetics adversely alters the distribution of infused fluid between the plasma compartment and the extravascular space. This maldistribution occurs largely from the effects of anesthetic agents on lymphatic pumping, which can be demonstrated by macroscopic fluid kinetics studies in awake versus anesthetized patients. ⋯ Anesthesia also blunts the transvascular refill response to bleeding, an important compensatory mechanism during hemorrhagic hypovolemia, in part through lymphatic inhibition. Last, this study addresses how catecholamines and hypertonic and hyperoncotic fluids may mobilize interstitial fluid to mitigate anesthesia-induced lymphatic dysfunction.
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The elements that render anaesthesia a captivating profession can also foster stress and fatigue. Professionals considering anaesthesia as a career choice should have a comprehensive understanding of the negative consequences of fatigue and its implications for clinical performance and of the available preventive measures. Available evidence suggests that factors unrelated to patient characteristics or condition can affect clinical outcomes where anaesthetists are involved. ⋯ Fatigue seems to negatively affect both physical and mental health of anaesthetists. Existing evidence justifies specific interventions by institutions, stakeholders, and scientific societies to address the effects of anaesthetist fatigue. This narrative review summarises current knowledge regarding the effects of fatigue on anaesthetist well-being and patient safety, and discusses potential preventive solutions.
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Acta Anaesthesiol Scand · Jul 2024
ReviewRemimazolam for sedation and anesthesia in children: Protocol for a scoping review.
Remimazolam, a novel intravenous benzodiazepine recently approved by both the European Medicines Agency and the Food and Drug Agency, holds significant promise in clinical practice. Its pharmacodynamic profile closely mirrors that of midazolam, while its pharmacokinetics properties bear resemblance to remifentanil. Research in adult populations continues to accumulate, but the pediatric studies' pace is not significant. This scoping review aims to methodically scrutinize published studies, clinical trials, observational research, case reports, and pertinent literature to offer a comprehensive insight into the existing understanding of remimazolam in pediatric sedation and anesthesia. The synthesis of gathered evidence will discern lacunae in the literature, direct forthcoming investigations, and enlighten clinical practices. ⋯ The planned scoping review aims to delineate the existing evidence regarding the utilization of remimazolam in pediatric anesthesia and sedation. It will discern areas of knowledge deficiency, provide guidance for future inquiries, and enhance clinical practices within the field.
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Minerva anestesiologica · Jul 2024
Remimazolam for anesthesia and sedation in cardiac surgery and for cardiac patients undergoing non-cardiac surgery: a systematic-narrative hybrid review.
Remimazolam, an ultra-short-acting benzodiazepine recognized and approved as an anesthetic and sedative in multiple countries, offers a distinctive pharmacokinetic profile, boasting advantages such as rapid onset, short action duration, and rapid recovery. These attributes may contribute to enhanced hemodynamic stability and a diminished risk of respiratory depression compared to other sedatives. ⋯ Though remimazolam has demonstrated potential safety, efficacy, and ease-of-use for both anesthesia induction and maintenance in cardiac surgery patients and high-risk cardiovascular patients undergoing non-cardiac surgery, further research is imperative to delve into specific patient subgroups (e.g., the elderly or emergent procedures) so as to ascertain optimal dose ranges to suit diverse clinical scenarios.