先天性喉蹼少见,约为喉疤痕性狭窄的5.1%,主要发生在前连合。该文报道1982～1990年采用CO_2-激光治疗儿童先天性喉蹼11例。入院时年龄,3～14岁。症状:出生后在安静状态出现喘鸣和喉阻塞2例;在体力负荷或急性上感时出现上述症状者分别为6例和3例;出生后失音3例;尖细声音4例;9例伴支气管肺部疾病,其中1例为支气管扩张。1例入院前曾行2次喉前连合显微手术,均复发。6岁以上患儿6例行呼吸功能测定有不同程度的呼吸功能障碍。10例喉蹼位于前连合;1例声门下呈环状粘连。方法,采用激光器和手术显微镜,局部喷雾赛洛卡因表麻。激光功 Congenital throat web rare, about 5.1% of laryngeal sores, mainly in the anterior commissure. This paper reports 11 cases of congenital laryngeal webs treated by CO2-laser in children from 1982 to 1990. Admission age, 3 to 14 years old. Symptoms: 2 cases of wheezing and laryngeal occlusion in quiet state after birth; 6 cases and 3 cases of the above symptom during physical exertion or acute upper extremity; 3 cases of aphasia after birth; 4 cases of tipping sound; 9 cases With bronchial lung disease, one case of bronchiectasis. One patient had 2 prethoracic commissures microsurgery before admission and had recurrence. 6 cases of children over the age of 6 respiratory function tests have varying degrees of respiratory dysfunction. 10 cases of laryngeal webs located anterior commissure; 1 case of subglottic annular adhesions. Methods, using lasers and surgical microscopes, topical spray of roedocaine ephedra. Laser work