SATISFACTORY anesthesia for bronchoscopy and laryngoscopy has been one of the most difficult problems confronting the endoscopist and the anesthesiologist. Many anesthetic techniques have been devised in an attempt to solve the problem of adequate and safe anesthesia for endoscopy, but up to the present there has been no ideal method.1-9 The use of topical analgesia is useful with cooperative patients, but in infants, children, and nervous, uncooperative patients one must resort to general anesthesia.
Lidocaine was introduced as a local anesthetic about eighteen years ago. A few years after its introduction de Clive-Low and co-workers reported on its intravenous use as an adjunct to nitrous oxide anesthesia.10 Steinhaus et al have studied extensively the effect of various drugs on cough suppression.11 They found that lidocaine achieved this effect without impairing ventilatory function and cardiovascular dynamics.11 Meperidine and thiopental cause respiratory arrest before affecting a cough
Blancato LS, Peng AT. Intravenous Lidocaine With General Anesthesia for Endoscopy. Arch Otolaryngol. 1967;85(2):207–209. doi:10.1001/archotol.1967.00760040209014
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