Topical anaesthesia of the larynx: cocaine or lignocaine?


A double-blind, randomized study compared the cardiovascular responses and extubation conditions using lignocaine or cocaine for topical anaesthesia of the larynx. Absorption of both agents from the trachea was quantified by serial venous plasma concentrations. Serial blood pressure, ECG, O2 saturation and end-tidal carbon dioxide measurements were obtained… (More)


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