| Incidence of postoperative nausea and emetic episodes after xenon anaesthesia compared with propofol-based anaesthesia (2008) | |||||||||||||
Abstract | |||||||||||||
| Background Xenon has been proved to be safe and efficacious for general anaesthesia in numerous trials. In addition, experimental studies demonstrate that xenon inhibits the 5-hydroxytryptamine type 3 (5-HT3) receptor. As 5-HT3 receptor antagonists are known to decrease postoperative nausea and vomiting (PONV) to an extent comparable with a propofol-based total i.v. technique, we tested the hypothesis that general anaesthesia with xenon would result in a reduced incidence of PONV similar to that observed with propofol-based anaesthesia. Methods After obtaining approval from the local ethics committee and written informed consent, 142 patients were randomized to receive xenon anaesthesia or propofol-based total i.v. anaesthesia (TIVA), both supplemented with remifentanil. The incidence of postoperative nausea and emetic episodes was recorded in the post-anaesthesia care unit and on the ward more than 24 h after anaesthesia. Results A total of 142 patients were equally distributed between the xenon and TIVA groups. Anaesthesia was maintained with mean (sd) concentrations of either xenon 61 (2)% or propofol 100 (20) µg kg−1 min−1. Incidences of nausea and emetic episodes over the whole 24-h period were 66.2% and 35.2% in the xenon group and 26.8% and 16.9% in the TIVA group (P | |||||||||||||
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