European journal of anaesthesiology
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Comparative Study Clinical Trial Observational Study
Intraoperative temperature monitoring with zero heat flux technology (3M SpotOn sensor) in comparison with sublingual and nasopharyngeal temperature: An observational study.
Perioperative hypothermia is common in patients undergoing general anaesthesia and is associated with important adverse events. The 'gold standard' for monitoring body core temperature - the pulmonary artery catheter - is invasive and unsuitable for most patients. For routine clinical practice, other sites and methods of temperature monitoring are commonly used. ⋯ With respect to correlation, accuracy and precision, the 3M SpotOn sensor provides a good measurement of body temperature in comparison to the nasopharyngeal probe and an acceptable measurement in comparison with sublingual thermometry. It is adequate for clinical use.
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Clinical Trial Observational Study
Changes in cerebral oxygen saturation following prone positioning for orthopaedic surgery under general anaesthesia: A prospective observational study.
Prone positioning is often necessary in orthopaedic surgery. The prone position, however, may result in impaired cerebral venous drainage with a subsequent reduction in cerebral perfusion. As a consequence, cerebral hypoxia may occur with the potential for neurological impairment. ⋯ Both monitors detected a small increase in cerebral oxygen saturation of less than 5% in patients undergoing orthopaedic surgery in the prone position and in awake volunteers. This small increase is of limited clinical relevance and prone positioning may be regarded as safe in terms of the maintenance of cerebral oxygen saturation.
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Randomized Controlled Trial Comparative Study
A comparison of the disconnection technique with continuous bronchial suction for lung deflation when using the Arndt endobronchial blocker during video-assisted thoracoscopy: A randomised trial.
The use of the Arndt endobronchial blocker has not gained widespread acceptance during video-assisted thoracoscopic surgery (VATS) because of its high cost and longer time to operative lung collapse especially in patients with chronic obstructive pulmonary disease (COPD). The use of a ventilator disconnection technique has been shown to produce a comparable degree of lung collapse when used with either a double-lumen tube or an Arndt endobronchial blocker. ⋯ The use of continuous bronchial suction through the lumen of the Arndt blocker offers an effective method to accelerate lung collapse.
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Intraoperative hypotension secondary to acute blood loss and fluid shifts increases morbidity and mortality. Intrathoracic pressure regulation (IPR) is a new therapy that enhances circulation by increasing venous return with a negative intrathoracic pressure created noninvasively, either actively (vacuum source or patient inspiration) or passively (chest recoil during cardiopulmonary resuscitation). ⋯ IPR may be useful in treating intraoperative hypotension without additional fluid or vasopressor therapy. No significant adverse events were observed. On the basis of this phase II pilot study, a larger study is justified.
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Letter Randomized Controlled Trial Comparative Study
Comparison of Quick Track and Melker for emergent invasive airway management during chest compression: A crossover simulation trial.