The aim of this study was to investigate the effects of a positional change of regional cerebral oxygen saturation values (rSO2) because of the sitting position, before and after the administration of general anaesthesia. Twenty five consecutive patients of ASA class I or II undergoing shoulder surgery under general anaesthesia were chosen to participate in this study.
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Atropine has been used in the past as a premedication drug to decrease the sialorrhea of the second stage of anaesthesia and prevent bradycardia caused by the administration of succinylcholine, opiods or volatile anaesthetics. The purpose of this study is the investigation of the haemodynamic fluctuations during induction of anaesthesia and intubation of the trachea, in children and adults either premedicated or not with atropine.
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