Background: We reported that recovery from total intravenous anesthesia with propofol was delayed in hepatectomy patients, and the hazard ratio was half against controls. This study was designed to evaluate recovery from sevoflurane anesthesia in patients for hepatectomy.
Methods: Sixteen patients receiving hepatectomy and 17 patients receiving other epigastric surgeries (controls) were anesthetized with sevoflurane. Fentanyl was injected repeatedly to insure maintenance of the effect-site concentration of 2.0 ng x ml(-1). Propofol was administered for induction of general anesthesia, and then inhaled sevoflurane was titrated to maintain a Bispectral Index (BIS) value between 40 and 50. The intervals to emergence and extubation after sevoflurane discontinuation, and the predicted fentanyl concentrations were recorded.
Results: The amount of sevoflurane and concentration of fentanyl in hepatectomy were similar to those in controls. The extubation time was longer in hepatectomy patients than in control subjects, and the hazard ratio was half against controls.
Conclusions: Recovery from anesthesia with sevoflurane was delayed in hepatectomy, and the hazard ratios were half against controls. We speculate that the influence of hepatectomy caused delay of recovery from anesthesia in hepatectomy patients.
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