British journal of anaesthesia
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There is increasing evidence that intraoperative fluid therapy decisions may influence postoperative outcomes. In the past, patients undergoing major surgery were often administered large volumes of crystalloid, based on a presumption of preoperative dehydration and nebulous intraoperative 'third space' fluid loss. However, positive perioperative fluid balance, with postoperative fluid-based weight gain, is associated with increased major morbidity. ⋯ The advent of individualized goal-directed fluid therapy, facilitated by minimally invasive, flow-based cardiovascular monitoring, for example, oesophageal Doppler monitoring, has improved outcomes in colorectal surgery in particular, and this monitor has been approved by clinical guidance authorities. In the contrasting clinical context of relatively low-risk patients undergoing ambulatory surgery, high-volume crystalloid infusion (20-30 ml kg(-1)) reduces postoperative nausea and vomiting, dizziness, and pain. This review revises relevant physiology of body water distribution and capillary-tissue flow dynamics, outlines the rationale behind the fluid regimens mentioned above, and summarizes the current clinical evidence base for them, particularly the increasing use of individualized goal-directed fluid therapy facilitated by oesophageal Doppler monitoring.
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Teamwork involves supporting others, solving conflicts, exchanging information, and co-ordinating activities. This article describes the results of interviews with anaesthetic assistants (n=22) and consultant anaesthetists (n=11), investigating the non-technical skills involved in the effective teamwork of the anaesthetic assistants in the operating theatre. Anaesthetic assistants most commonly saw themselves as either being part of a theatre team or an anaesthetic subgroup and most commonly described the senior theatre nurse as their team leader. ⋯ Of the 19 anaesthetic assistants who were asked if they would speak up if they disagreed with a decision in theatre, only 14 said that they would voice their concerns, and the most common approach was to ask for the logic behind the decision. The WHO checklist was described as prompting some anaesthetists to describe their anaesthetic plan to the anaesthetic assistant, when previously the anaesthetist would have failed to communicate their intentions in time for equipment to be prepared. The prioritization of activities to achieve co-ordination and the anaesthetic assistants becoming familiar with the idiosyncrasies of their regular anaesthetists were also described by anaesthetic assistants.
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The concept of using a checklist in surgical and anaesthetic practice was energized by publication of the WHO Surgical Safety Checklist in 2008. It was believed that by routinely checking common safety issues, and by better team communication and dynamics, perioperative morbidity and mortality could be improved. ⋯ However, introducing surgical checklists is not as straightforward as it seems, and requires leadership, flexibility, and teamwork in a different way to that which is currently practiced. Future work should be aimed at ensuring effective implementation of the WHO Surgical Safety Checklist, which will benefit our patients on a global scale.