Jet ventilation anesthesia for bronchoscopy and laryngoscopy.

概要

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Operations requiring a direct laryngoscope or a rigid bronchoscope under general anesthesia are difficult for both surgeon and anesthesiologist because the airway overlaps the field of operation.Recently, jet ventilation (J. V.) or high frequency jet ventilation (H. F. J. V.) has been used in general anesthesia for bronchoscopy or direct laryngoscopy instead of conventional ventilation bronchoscopy or tracheal intubation.We have used J. V. or H. F. J. V. in general anesthesia for bronchoscopy in 2 cases and for direct laryngoscopy in 11 cases. For bronchoscopy, since both patients had tracheotomies, a metal cannula (about 16G) was inserted into the trachea through the tracheostomy opening and J. V. or H. F. J. V. was performed through the cannula. For surgery using direct laryngoscopy, an S-shaped flexible cannula (16G) was inserted through the crico-thyroid membrane, and J. V. or H. F. J. V. was performed through the cannula.In each operation under general anesthesia with complete muscle relaxation, ventilation was almost adequate and the field of operation was not obstructed.
耳鼻咽喉科臨床学会の論文