[Efficacy of topical administration of lidocaine through a Malinckrodt Hi-Lo Jet tube in lessening cough during recovery from general anesthesia].
To achieve tracheal anesthesia during intubation, an endotracheal tube was purposely designed. The tube had multiple laser-induced perforations in its lower portion produced that allowed administration of the local anesthetic in a pulverized form. We evaluated the efficacy of lidocaine 2% in preventing cough during recovery from general anesthesia. The goal of this study was to perform a topical anesthesia of the hypopharynx, larynx, and trachea. This attenuates the laryngeal reflex occurring during anesthesia recovery and therefore, prevents from potential complications. Sixteen patients ASA I-II underwent surgery with general anesthesia. They were prospectively studied following a randomized double blind protocol. The control group received saline infusion (n = 6) whereas the experimental group (n = 10) was treated with lidocaine. At the end of the anesthesia period, the presence of cough was treated with the test solution. In 90% of cases treated with lidocaine, cough disappeared in about 30 seconds and patients tolerated the endotracheal tube until extubation was performed. All patients who received saline solution presented cough until extubation.
Viguera
M
M
Servicio de Anestesiología y Reanimación, Hospital General de Buffalo, Barcelona.
Diakum
T A
TA
Shelsky
R
R
Casals
P
P
Cochs
J
J
Faulí
A
A
D000287:Administration, Topical; D000328:Adult; D000762:Anesthesia Recovery Period; D000772:Anesthesia, Local / Q000295:instrumentation*; D004867:Equipment Design; D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal / Q000295:instrumentation*; D008012:Lidocaine / Q000008:administration & dosage* / Q000627:therapeutic use; D008297:Male; D011446:Prospective Studies
D008012:Lidocaine
La eficacia de la administración tópica de lidocaína a través del tubo Malinckrodt Hi-Lo Jet para atenuar la tos en el despertar de la anestesia general.