环状软骨前方切开术最初报道于1980年,用于新生儿借助于气管内插管维持呼吸而不能拔管者。作者认为此法可代替气管切开术。本文报告了治疗22例先天性和后天性声门下狭窄患者的手术方法和效果。保留气管内插管,在全麻下(保持自主呼吸)行前联合喉镜检查。将用纱条堵住通气孔的小管径的气管镜插在气管内插管之前方,并缓慢拔出气管内插管。气管镜插至声门处置于二侧真声带之间,而恰可以看到一侧声带,保证病人有足够 Anterior loopedotomy was first reported in 1980 for neonates who are unable to extubate with the help of an endotracheal tube. The authors believe this method can replace tracheotomy. This article reports on the surgical methods and effects of treatment of 22 patients with congenital and acquired subglottic stenosis. Retained endotracheal intubation, under general anesthesia (to maintain spontaneous breathing) before the joint laryngoscopy. Place a small diameter bronchoscope with a gauze to close the vents in front of the endotracheal tube and slowly pull out the endotracheal tube. Bronchoscope inserted into the glottis handle between the two sides of the true vocal cord, and just can see the side of the vocal cords, to ensure that patients have enough