• K D Röhm, S W Suttner, J Boldt, T A H Schöllhorn, and S N Piper.
• Department of Anaesthesiology and Intensive Care Medicine, Klinikum Ludwigshafen, Ludwigshafen, Germany. k.d.roehm@t-online.de
• Eur J Anaesthesiol. 2005 Mar 1;22(3):209-14.

Background And ObjectiveInhalational anaesthetics have been associated with hepatotoxicity. Even desflurane, with its low solubility in blood and tissues, and its minimal hepatic biotransformation, is known to affect hepatic integrity. The effects of propofol on hepatic function are, however, a matter of controversy. Alpha-glutathione S-transferase (alpha-GST), a sensitive and specific biomarker for hepatic integrity, was measured to assess the influence of total intravenous anaesthesia (TIVA) with propofol vs. anaesthesia with desflurane.MethodsForty-two patients scheduled for elective prostatectomy were randomly allocated to receive either desflurane, fentanyl and thiopental (desflurane group) or propofol and remifentanil (TIVA group). Depth of anaesthesia was guided by bispectral index. Plasma concentrations of alpha-GST and aminotransferases were measured before induction of anaesthesia (TO), at the end of surgery (T1), as well as 2 h (T2) and 24 h (T3) postoperatively. Haemodynamic parameters and bispectral index values were documented.Resultsalpha-GST increased significantly in the desflurane group from TO (3.0 +/- 2.2 microg L(-1)) to T1 and T2 (5.5 +/- 4.3 and 5.6 +/- 3.7 microg L(-1), respectively), whereas no changes were seen in the TIVA group. alpha-GST values above the normal upper limit (> 7.5 microg L(-1)) were seen in 24% of the patients receiving desflurane. Aminotransferases remained unchanged in both groups throughout the study period.ConclusionsThe use of propofol as part of a TIVA regimen seems to have no influence on hepatocellular function during and after surgery. In contrast, patients receiving desflurane showed a transient slight, but significant, increase of alpha-GST to above the normal upper limit after anaesthesia, although this was without further clinical relevance.

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