European journal of anaesthesiology
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Randomized Controlled Trial
Low-positive pressure ventilation improves non-hypoxaemic apnoea tolerance during ear, nose and throat pan-endoscopy: A prospective randomised controlled trial.
It has been suggested that oxygenation using pressure support ventilation (PSV) before general anaesthesia can reduce the duration of non-hypoxaemic apnoea. ⋯ NCT02167334.
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Comparative Study Observational Study
Anatomical location of the vocal cords in relation to cervical vertebrae: A new predictor of difficult laryngoscopy?
Several anatomical factors, such as prognathism, sex, short thyromental distance and others are known to make direct laryngoscopy difficult. ⋯ Anaesthesiologists should take advantage of existing imaging of the cervical spine when assessing the patient's airway.
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We have developed an endotracheal catheter with a functional cuff (ECFC) that inflates during inspiration and deflates during expiration. This catheter, together with a regular ICU ventilator, can provide coaxial ventilation. ⋯ An ECFC combined with a regular pressure-controlled ICU ventilator can produce adequate tidal volumes in adult human-sized swine. Our results establish the feasibility of ventilation with this new alternative technique. The safety and advantages of such a technique remain to be determined in humans.