British journal of anaesthesia
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Acid-base status in full-term pregnant women is characterised by hypocapnic alkalosis. Whether this respiratory alkalosis is primary or consequent to changes in CSF electrolytes is not clear. ⋯ NCT03496311.
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Hypertrophic pyloric stenosis in otherwise healthy neonates frequently requires urgent surgical procedure but anaesthesia care may result in respiratory complications, such as hypoxaemia, pulmonary aspiration of gastric contents, and postoperative apnoea. The primary aim was to study whether or not the incidence of difficult airway management and of hypoxaemia in neonates undergoing pyloric stenosis repair was higher than that in neonates undergoing other surgeries. ⋯ NCT02350348.
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Rapid elimination of remifentanil facilitates application of intense opioid effect during general anaesthesia whilst maintaining prompt emergence. Interruptions in remifentanil supply mean clinicians must relearn titration of pharmacokinetically longer-acting opioids to achieve appropriate levels of opioid effect whilst maintaining acceptable recovery times. Opioid-free anaesthesia is achievable for many minor and intermediate surgical procedures for which remifentanil might have been used previously.