European journal of anaesthesiology
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Meta Analysis Comparative Study
Hypotension after unilateral versus bilateral spinal anaesthesia: A Systematic review with meta-analysis.
Spinal anaesthesia is frequently used in surgical procedures involving the lower abdomen and extremities, however, the occurrence of hypotension remains a common and clinically important adverse effect. Unilateral spinal anaesthesia seems to be a promising approach to minimise this complication but the effectiveness of this remains controversial. ⋯ Unilateral spinal anaesthesia is associated with a significant reduction in the occurrence of hypotension, despite variations in the definition of hypotension, adjuvants, and site of surgery. These results favour the use of lateral spinal anaesthesia in patients undergoing unilateral lower abdominal or lower limb surgery. However, the GRADE assessment of the quality of evidence was 'low' due to the high risk of bias and heterogeneity. All the results should be treated with caution.
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Randomized Controlled Trial
Co-administration of dexmedetomidine with total intravenous anaesthesia in carotid endarterectomy reduces requirements for propofol and improves haemodynamic stability: A single-centre, prospective, randomised controlled trial.
Total intravenous anaesthesia guided by electroencephalography and neurophysiological monitoring may be used for carotid endarterectomy. Reduction of brain metabolic demand during cross-clamping of the internal carotid artery with propofol titrated to burst suppression requires effect-site concentrations that may delay emergence and interfere with intraoperative neurophysiological monitoring. ⋯ Co-administration of dexmedetomidine to total intravenous anaesthesia for carotid endarterectomy decreased the effect-site concentrations of propofol required for burst suppression by 33%. The propofol-sparing effect and peripheral alpha-agonism of dexmedetomidine may explain the reduced requirement for vasopressors.
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Randomized Controlled Trial
A novel cricoid pressure sensor device enhances the efficacy of oesophageal occlusion during Sellick's manoeuvre: A randomised controlled trial.
The inability to measure the force applied during cricoid pressure is an important limitation in clinical practice. We developed a novel device to measure this force and provide real-time feedback to the operator. ⋯ The use of the novel sensor device achieved a significantly high rate of oesophageal occlusion during application of cricoid pressure.