PRODUCT LITERATURE
Sevoflurane requirements for tracheal intubation with and without fentanyl
We studied 80 healthy ASA I patients (aged 20–52 yr) to determine if fentanyl affects sevoflurane requirements for achieving 50% probability of no movement in response to laryngoscopy and tracheal intubation (MAC-TI). Patients were allocated randomly to one of four fentanyl dose groups (0, 1, 2 and 4 g kg–1). Patients in each group received sevoflurane
at a pre-selected end-tidal concentration according to an ‘up–down’ technique.
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