European journal of anaesthesiology
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Randomized Controlled Trial Comparative Study
Comparison of laryngeal mask airway insertion methods, including the external larynx lift with pre-inflated cuff, on postoperative pharyngolaryngeal complications: A randomised clinical trial.
Postoperative pharyngolaryngeal complications are commonly reported following laryngeal mask airway (LMA) insertion. After induction of anaesthesia, the airway structures fall backwards under the influence of gravity, and this may contribute to difficulty in placement of a LMA. External airway alignment by lifting the larynx during insertion of an airway may avoid collision of the airway with laryngeal structures. ⋯ The external larynx lift technique was associated with a lower incidence of blood on the airway at removal, suggesting that the method may decrease trauma to the tissues of the upper airway during insertion.
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Randomized Controlled Trial
The effect of head rotation on efficiency of face mask ventilation in anaesthetised apnoeic adults: A prospective, randomised, crossover study.
Upper airway obstruction occurs commonly after induction of general anaesthesia. It is the major cause of difficult mask ventilation. ⋯ Head rotation of 45° in anaesthetised apnoeic adults significantly increases the efficiency of mask ventilation compared with the neutral head position. Head rotation is an effective alternative to improve mask ventilation if airway obstruction is encountered.
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Randomized Controlled Trial Comparative Study
Glidescope versus Airtraq DL for double-lumen tracheal tube insertion in patients with a predicted or known difficult airway: A randomised study.
Double-lumen tracheal tube (DLT) insertion can be managed with videolaryngoscopes such as the Glidescope or indirect laryngoscopes like the Airtraq DL. No study has compared both devices when a difficult intubation is predicted. ⋯ There is no difference in success rates of tracheal intubation with a double-lumen tube in patients with a predicted or known difficult airway when using either a Glidescope or Airtraq device.
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Randomized Controlled Trial
Background noise lowers the performance of anaesthesiology residents' clinical reasoning when measured by script concordance: A prospective randomised crossover volunteer study.
Noise, which is omnipresent in operating rooms and ICUs, may have a negative impact not only patients but also on the concentration of and communication between clinical staff. ⋯ Our study suggests that noise affects clinical reasoning of anaesthesiology residents especially junior residents when measured by SCT. This observation supports the hypothesis that noise should be prevented in operating rooms especially when junior residents are providing care.
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Letter Randomized Controlled Trial
Cricoid pressure impedes mask ventilation: A randomised crossover trial.