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主动脉及其分支畸形可压迫气管与食管造成呼吸梗阻。本文报告一例右锁骨下动脉畸形,引起持续呼吸困难及气管受压。患儿为6月女婴,因哮鸣并加重住院,过去曾因本病住院三次,该哮鸣与饮用牛奶无关。体检发现两肺野遍布哮鸣音,胸片正常。实验室检查血气及心电图均正常。食管钡餐检查可见一斜行充盈缺损,后方有一压迹,提示右锁骨下动脉畸形。肺功能中度减低。气管镜检见气管下半部呈三角形畸形,气管壁变软,后壁及右侧壁向腔内膨出,前者且有搏动。支气管镜能顺利通过狭窄区,所见隆突及支气管树正常。诊断为迷走右锁骨下动脉及气管软化,对患儿进行保守治疗。
Abnormal aorta and its branches can compress the trachea and esophagus caused by respiratory obstruction. This article reports a case of right subclavian artery deformity, causing persistent dyspnea and tracheal compression. The baby girl was born in June and had been hospitalized for wheezing and aggravating. In the past, her hospitalization had been three times caused by this disease. This wheezing had nothing to do with drinking milk. Physical examination found that lung fields across the wheeze, chest X-ray normal. Laboratory tests were normal blood gas and ECG. Esophageal barium meal examination revealed a diagonal filling defect, the back of an indentation, suggesting that the right subclavian artery deformity. Moderately reduced lung function. Tracheal tube see the lower half of the trachea triangle deformity, the tracheal wall becomes soft, the posterior wall and the right side wall bulging to the cavity, the former and have beating. Bronchoscopy can be successfully passed through the narrow area, see the bumps and bronchial tree normal. Diagnosed as vagus right subclavian artery and tracheal softening, conservative treatment of children.