A bolus dose of esmolol attenuates tachycardia and hypertension after tracheal intubation
- 1 March 1990
- journal article
- research article
- Published by Springer Nature in Canadian Journal of Anesthesia/Journal canadien d'anesthésie
- Vol. 37 (2) , 202-205
- https://doi.org/10.1007/bf03005470
Abstract
Forty-five patients of ASA physical status 1 and II undergoing a variety of non-cardiac surgical procedures were studied to determine the effect of bolus administration of esmolol, a new short-acting beta blocking drug, on heart rate and blood pressure responses to induction of anaesthesia and tracheal intubation. Subjects were allocated randomly to receive placebo, 100 mg or 200 mg of esmolol IV as part of an anaesthetic induction technique. The differences in heart rate between the placebo group and both the 100 mg and 200 mg groups were significant prior to intubation (95 ± 7.9, 82 ± 9.7, 80 ± 7.3 beats per min respectively), and also at 0.5 min and 1.5 min following intubation for the 200 mg group. In the 200 mg group there was a significant decrease, compared with placebo, in systolic blood pressure at 0.5 min (144 ± 32.1 vs 165 ± 18.7 mmHg) and 1.5 min (154 ± 25.0 vs 170 ± 19.5 mmHg) after intubation. In this study, adequate haemodynamic control was obtained following administration of 200 mg of esmolol. Quarante-cinq patients ASA classe I et II devant subir une variété de procédures chirurgicales non-cardiaques ont été étudiés afin de déterminer l’effet de l’administration de l’esmolol en bolus sur la fréquence cardiaque et la tension artérielle lors de l’induction de l’anesthesie et l’intubation endotrachéale. Les sujets ont été randomisés afin de recevoir soit du placebo, soit 100 mg ou 200 mg d’esmolol lors de l’induction. Les différences dans la fréquence cardiaque entre le groupe placebo et les deux groupes de 100 mg et 200 mg etaient significatives avant l’intubation (95 ± 7,9, 82 ± 9,7, 80 ± 7,3 battlminute respectivement), et aussi à 0,5 minutes et 1,5 minutes après l’ intubation pour le groupe de 200 mg. Pour le groupe 200 mg, il y avait une diminution significative (comparativement au placebo) dans la pression artérielle systolique à 0,5 minutes (144 ± 32,1 versus 165 ± 18,7 mmHg) et à 1,5 minutes (154 ± 25,0 versus 170 ± 19,5 mmHg) après intubation. Dans cette etude, un contrôle hémodynamique adéquat était obtenu aprés administration de 200 mg d’esmolol.Keywords
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