Feasibility of Anesthesia Induction by a Combination of Topical Pharyngeal Using Lidocaine Spray and Moderate Intravenous Sedation in a Flexible Bronchoscopic Procedure

Background: Bronchoscopy is an important procedure for the diagnosis and treatment of many respiratory diseases. The nebulization of lidocaine is associated with a transmission risk of some infections; however, throat anesthesia is generally essential for bronchoscopy to reduce patient distress. This study aimed to determine the feasibility of anesthesia induction by moderate intravenous sedation with topical pharyngeal anesthesia using lidocaine spray in a flexible bronchoscopic procedure through a questionnaire survey.