Summary
The results of this study demonstrate that 60 mg of lidocaine sprayed down the tracheal tube before extubation and 40 mg sprayed down during tracheal tube removal prevents increases in blood pressure and pulse rate during and after extubation. The data suggest that this manœuvre should be of advantage to patients with coronary artery disease who may not be able to tolerate the increased cardiac dynamics which usually accompany extubation.
Résumé
Les auteurs étudient et comparent les rétentissements de ľextubation sur le pouls et la tension artérielle lors ďanesthésie à ľhalothane associé au protoxyde ďazote-oxygène avec ou sans anesthésie topique de la trachée à la lidocaïne. Les données recueillies montrent que ľadministration de 1.5 ml de lidocaïne à 4 pour cent par vaporisation dans le tube endotracheal cinq minute avant ľextubation, suivie de ľadministration de 1.0 ml de la même voie lors de ľextraction du tube prévient ľaugmentation du pouls et de la tension artérielle pendant et après ľextubation.
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Bidwai, A.V., Stanley, T.H. & Bidwai, V.A. Blood pressure and pulse rate responses to extubation with and without prior topical tracheal anaesthesia. Canad. Anaesth. Soc. J. 25, 416–418 (1978). https://doi.org/10.1007/BF03006572
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DOI: https://doi.org/10.1007/BF03006572