• H E Bunting, M C Kelly, and K R Milligan.
• Queen's University of Belfast, Department of Anaesthetics, Ireland.
• Br J Anaesth. 1995 Nov 1; 75 (5): 631-3.

AbstractThis study was designed to assess the effect of nebulized lignocaine or saline given before induction on the quality of induction of anaesthesia with desflurane in unpremedicated, young, adult males. Of the first six patients, five developed laryngospasm, breath-holding, coughing and increased secretions. In four patients oxygen saturation decreased to 92% or less. Significant tachycardia and hypertension occurred in four patients, and bradyarrhythmia after induction occurred in three patients. Hiccups and bronchospasm occurred in one patient. Because of the unacceptably high incidence of complications, the study was discontinued. The incidence and severity of complications were not decreased by administration of nebulized lignocaine and were higher than those reported by other workers. We conclude that in unpremedicated, young, adult males, induction of anaesthesia with desflurane and nitrous oxide in oxygen was associated with a high incidence of respiratory irritant effects, tachycardia, hypertension and post-induction bradyarrhythmia. We also found that lignocaine, as used in this study, did not appear to obtund the cardiovascular and respiratory complications during inhalation induction using desflurane.

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