• M Sugahara, K Mukaida, J Kurata, S Mishima, and M Fukui.
• Department of Anesthesia, Otsu City Hospital.
• Masui. 1999 Feb 1; 48 (2): 162-7.

AbstractWe employed propofol anesthesia with a restricted dose of fentanyl in adult cardiac surgery with the aim of early tracheal extubation and evaluated its effects on the intraoperative factors and postoperative recovery compared with those of a previous benzodiazepine-fentanyl regimen. During surgery, control group patients (n = 17) received intermittent bolus of benzodiazepines and fentanyl without restriction, whereas propofol group patients (n = 17) received continuous administration of propofol and the restricted dose of fentanyl (20 micrograms.kg-1). There were no significant differences in the times to eye opening (average 2.4 hr vs 1.6 hr, respectively, P = 0.30) and tracheal extubation (average 5.4 hr vs 4.0 hr, P = 0.25) between the groups. Both groups had similar postanesthetic circulatory status: cardiac index (average 3.6 l.min-1.m-2 vs 3.4 l.min-1.m-2, P = 0.46). The propofol group patients required smaller doses of vasodilators during cardiopulmonary bypass (average PGE1: 0.096 microgram.kg-1.min-1 vs 0.047 microgram.kg-1.min-1, P = 0.046, NTG: 0.69 microgram.kg-1.min-1 vs 0.31 microgram.kg-1.min-1, P = 0.009). It is suggested that propofol-based anesthesia could replace the previous regimen with no adverse hemodynamic effects and might have a potential to provide faster recovery and improve peripheral circulatory status in adult cardiac surgery.

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