Awareness is the postoperative recall of sensory perception during general anaesthesia. The incidence is very low and approximates 1/1000. This rare but serious adverse event can be extremely distressing for both the patient as well as the anaesthesiologist. Awareness during anaesthesia may occur despite apparently sound anaesthetic management.
Assessing the depth of anaesthesia remains a challenge for the anaesthesia providers as clinical signs are unreliable and there is no sensitive and specific monitor. Bispectral Index monitoring with the goal of scores 0.05).
The incidence of postoperative nausea and vomiting was higher in isoflurane group than propofol groups (propofol propofol-ketamine). Propofol as part of an IV anaesthetic technique is clearly preferable to volatile anaesthetic techniques for the prevention of postoperative nausea and vomiting .
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