European journal of anaesthesiology
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Clinical Trial
Monitoring cerebral oxygen saturation in elderly patients undergoing general abdominal surgery: a prospective cohort study.
The aim of this prospective, observational study was to evaluate changes in regional cerebral oxygen saturation (rSO2) and incidence of intraoperative cerebral desaturation in a cohort of elderly patients undergoing major abdominal surgery. ⋯ In a population of healthy elderly patients, undergoing non-vascular abdominal surgery cerebral desaturation can occur in up to one in every four patients, and the occurrence of cerebral desaturation is associated with a higher incidence of early postoperative cognitive decline and longer hospital stay.
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Randomized Controlled Trial
Effect of maternal facial oxygen on neonatal behavioural scores during elective Caesarean section with spinal anaesthesia.
For many, the administration of additional oxygen to the women receiving regional anaesthesia for Caesarean section is traditional, but for others it is controversial because of doubts about its efficacy. The aim of our study was to determine if beneficial effects of maternal oxygen therapy on the fetus could be revealed using a neonatal behavioural scoring system. ⋯ Administering maternal oxygen using a standard commercial Hudson style face mask does not appear to significantly improve oxygen delivery to, nor does it influence acidosis or behavioural effects in, the normal neonate at elective Caesarean delivery with spinal anaesthesia.
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Comparative Study
Blood pressure and heart rate changes during fibreoptic orotracheal intubation: a comparison of children and adults.
Autonomic circulatory regulation and airway anatomy in children are significantly different from those in adults. There is no available published data to compare whether there is a clinically relevant difference in the haemodynamic responses to fibreoptic orotracheal intubation (FOI) under the same conditions between children and adults. In this randomized clinical study, we compared the blood pressure (BP) and heart rate (HR) changes during FOI in 40 children aged 3.5-9 yr and 40 adults aged 21-57 yr, ASA 1 scheduled for elective plastic surgery under general anaesthesia requiring orotracheal intubation. ⋯ Under general anaesthesia, FOI might cause a more significant pressor response in children than in adults.
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Clinical Trial
Core and skin surface temperature course after normothermic and hypothermic cardiopulmonary bypass and its impact on extubation time.
Cardiopulmonary bypass is associated with temperature pertubations that influence extubation time. Common extubation criteria demand a minimum value of core temperature only. The aim of this prospective study was to test the hypothesis that changes in core and skin surface temperature are related to extubation time in patients following normothermic and hypothermic cardiopulmonary bypass. ⋯ The transition from peripheral vasoconstriction to vasodilatation is related to extubation time in patients following cardiac surgery under normothermic as well as hypothermic cardiopulmonary bypass.