Anesthesia in Flexible Bronchoscopy Randomized Clinical Trial Comparing the Use of Topical Lidocaine Alone or in Association With Propofol, Alfentanil, or Midazolam

摘要

Broncboscopy is usually performed under topical anesthesia with or without sedation to promote patient comfort and the ideal conditions for the physician to perform the examination. The objective of the study was to establish which anesthetic protocol used during flexible bronchoscopy (FB) has the lowest index of complications. This prospective randomized study analyzed 80 patients undergoing FB, Patients were randomly assigned to 4 groups of 20 patients each according to the anesthetic combination used: 200 mg topical lidocaine (LTD group); 200 mg topical lidocaine and 2mg/kg propofol (PPF group); 200 mg topical lidocaine and 20mcg/kg alfentanil (ALF group); or 200 mg topical lidocaine and 0.05mg/kg midazolam (MID group).