• S Kleinschmidt, U Grundmann, K Rauber, and M Bauer.
• Klinik für Anaesthesiologie und Intensivmedizin, Universitätskliniken des Saarlandes, Homburg/Saar. aiskle@med-rz.uni-sb.de
• Anaesthesiol Reanim. 2000 Jan 1;25(6):151-7.

AbstractRecovery characteristics, haemodynamic profile, analgesic requirement and costs were evaluated and compared in patients undergoing elective lumbar discectomy with remifentanil-based anaesthesia using either desflurane or sevoflurane as the volatile anaesthetic agent. Sixty-two patients (ASA I/II status) were randomly assigned to receive either desflurane and remifentanil or sevoflurane and remifentanil (in oxygen/air) for anaesthesia. After induction with 0.5 microgram/kg/min remifentanil, 4 to 5 mg/kg thiopentone and 0.5 mg/kg atracurium, the patients received 0.25 microgram/kg/min remifentanil and 0.5 +/- 0.05 MAC of one of the volatile anaesthetic agents for further maintenance of anaesthesia. At the end of surgery, early emergence from anaesthesia was recorded by assessing the time to sufficient spontaneous respiration, eye opening and tracheal extubation. The total demand of piritramide in the postoperative period was determined using patient-controlled analgesia (PCA device). Quality of pain therapy was assessed via a verbal ranking scale (VRS). Side-effects such as postoperative nausea, vomiting or shivering were recorded in the postanaesthetic care unit. In both groups, the haemodynamic profile was nearly identical. Mean arterial pressure (-18%) and heart rate (-23%) were significantly reduced throughout anaesthesia in both groups. All recovery parameters were significantly shorter in the desflurane group in comparison with the sevoflurane group (e.g. time to tracheal extubation: 8.5 +/- 3.0 min vs. 11.9 +/- 4.6 min). No significant differences between the groups were observed concerning the amount of piritramide required, side-effects such as nausea and vomiting or the total cost of anaesthesia. In conclusion, both anaesthetic techniques provide adequate haemodynamic stability and postoperative pain control in a surgical procedure with minimal trauma. Incidence and severity of side-effects such as nausea, vomiting or shivering did not differ between the groups and were acceptable under clinical conditions. Costs for desflurane were significantly higher than those for sevoflurane, but total costs were not different between the groups. Concerning recovery profile, desflurane/remifentanil seems to have small advantages over sevoflurane/remifentanil in patients undergoing lumbar vertebral disc resection.

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