• Takashi Kawano, Satoru Eguchi, Akio Iseki, and Shuzo Oshita.
• Department of Anesthesiology, Tokushima University School of Medicine, Tokushima.
• Masui. 2005 Jun 1;54(6):610-4.

BackgroundWe investigated the effects of a novel highly cardioselective short-acting beta-blocker, landiolol, on cardiovascular response, bispectral index and body movement during endotrachealMethodsForty ASA class 1 patients were randomly allocated into 2 groups, in a double-blind fashion; 1) 20 patients received landiolol 125 microg x kg(-1) x min(-1) for one minute followed by 40 microg x kg(-1) x min(-1) (landiolol group), and 2) 20 patients received saline (control group). Landiolol or saline was started 6 min after a target controlled infusion of propofol (effect-site concentration 4 microg x ml(-1)). The trachea was intubated 11 min after propofol infusion. Heart rate, mean arterial pressure, and bispectral index were recorded. In addition, the "isolated forearm" technique was used to detect body movement during endotracheal intubation.ResultsMaximum changes in heart rate (control; 48% versus landiolol; 19%), mean arterial pressure (51% versus 39%), and bispectral index (31% versus 12%) observed during endotracheal intubation were significantly less in the landiolol group. More patients in the control than in the landiolol group moved after endotracheal intubation (19 versus 11, P<0.05).ConclusionsOur results suggest that landiolol infusion was effective to attenuate the hemodynamic, arousal and somatic responses to endotracheal intubation.

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