Abstract:Background: Nebulized lidocaine combined with opioid drugs was a classical implementation for awake intubation or rigid bronchoscopy. In this study, aerosol inhalation of carbonated lidocaine combined with sufentanil was accomplished prior to induction of anesthesia, to dig out whether the dosage of sufentanil could less or not, and the sufentanil EC50 for endotracheal intubation under these drugs combination.Methods: Intravenous injection of sufentanil starting at 0.5 μg/kg. Then sufentanil dosages were incre… Show more
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