THERE is little in the matter of topical anesthesia about which endoscopists are in unanimous accord. This is emphasized by Jackson and McReynolds1 and Himalstein,2 who sent questionnaires to members of the American Broncho-Esophagological Association. Replies revealed wide differences of opinion about such basic considerations as choice of drug, concentrations, and amounts; preliminary testing for sensitivity, and the use of sprays, pyriform sinus applicators, and epinephrine. There is agreement only on the importance of preliminary sedation and slow administration. That so many persons of experience employ with continued success such varying methods suggests that there are a number of techniques of equal worth and that it is presumptuous for one endoscopist to regard his as superior to others which have proved practical. Taking cognizance of this, we present our procedure for anesthesia, pointing out only that an effort has been made to base it upon certain experimental and
RUBIN HJ, KULLY BM. TOPICAL ANESTHESIA IN BRONCHOSCOPY. AMA Arch Otolaryngol. 1952;56(1):13–23. doi:10.1001/archotol.1952.00710020030002
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