British journal of anaesthesia
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Sedation for medical procedures is provided in a variety of clinical settings by medical personnel with differing levels of education and training. Although generally a safe practice, there is a degree of morbidity and mortality associated with sedation practice. Monitoring standards continue to be refined by professional societies with the goal of improving care. ⋯ Patient-controlled sedation pumps and target-controlled infusion devices have been developed to improve patient care and satisfaction. A computer-assisted propofol sedation device to be used by non-anaesthesiologists has been approved in the USA by the Food and Drug Administration. More computer-assisted sedation delivery devices are likely to be developed, but their clinical utility is unclear.
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Observational Study
Survival after postoperative morbidity: a longitudinal observational cohort study†
Previous studies have suggested that there may be long-term harm associated with postoperative complications. Uncertainty exists however, because of the need for risk adjustment and inconsistent definitions of postoperative morbidity. ⋯ Prolonged morbidity after surgery is associated with a risk of premature death for a longer duration than perhaps is commonly thought; however, this risk falls with time. We suggest that prolonged postoperative morbidity measured in this way may be a valid indicator of the quality of surgical healthcare. Our findings reinforce the importance of research and quality improvement initiatives aimed at reducing the duration and severity of postoperative complications.
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Observational Study
Interrater reliability of qualitative ultrasound assessment of gastric content in the third trimester of pregnancy.
Pulmonary aspiration of gastric contents in pregnant women undergoing general anaesthesia is one of the most feared complications in obstetric anaesthesia. Bedside gastric ultrasonography is a feasible imaging tool to assess the gastric content. The purpose of this study was to investigate the reliability of qualitative bedside assessment of the gastric content performed by anaesthesiologists on third trimester pregnant women. ⋯ ClinicalTrials.gov identifier: NCT01564030.
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Morphine-6-glucuronide (M6G) is a strong µ-receptor agonist with higher affinity than morphine itself. It has been suggested that M6G contributes to the analgesic effect after administration of morphine, but the extent of its contribution remains unclear. ⋯ When administering morphine to patients, the analgesic effect is mainly caused by M6G instead of morphine itself, irrespective of the route of administration. Therefore, the patient's kidney function plays a key role in determining the optimal daily dose of morphine.
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Paediatric sedation has expanded in volume and demand over the past decade. In parallel with the increasing demand for and delivery of sedation by multi-specialty providers, conflicting political agendas have surfaced. ⋯ This review highlights the important contributions to paediatric sedation over the past century. Considerations include the barriers and politics that impede progress and also future advances and contributions that may lie ahead.