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We compared the work needed to retract a non‐lubricated and a lubricated stylet from a tracheal tube over 24 h. Stylets were lubricated with sterile water, silicone fluid, lidocaine spray, lidocaine gel, MedPro® lubricating gel or Lacri‐Lube®. The mean (SD) work in joules needed to retract the stylet by 5 cm from the tracheal tube was recorded immediately (time 0), at 5 and 30 min and at 1, 3 and...
The optimal method to develop expertise in ultrasound‐guided regional anaesthesia is unknown. Studies of laryngoscopic expertise in novices demonstrate that the choice of laryngoscope affects performance. In this study, we aimed to compare the effect of two different linear array transducers (38‐mm standard vs 25‐mm hockey stick) on novice performance of ultrasound‐guided needle advancement. Following...
High‐risk surgery is performed in every acute hospital. These patients often have increased peri‐operative risk related to their poor cardiorespiratory reserve. Formal risk assessment is recommended for such patients; cardiopulmonary exercise testing is a well established triage tool, but is unavailable in many hospitals. We investigated whether a simple exercise test could predict postoperative outcome...
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