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摘要


雙主動脈弓爲主動脈弓異常的一種,本文報告一例,爲一位十一個月大的男嬰,因出生後即有吵雜的呼吸聲,吸氣性嘯鳴,反覆性呼吸道感染而住院,經食道X光攝影術及心導道血管攝影而證實比症。病患接受左胸廓切開術,切斷前(左)支主動脈弓及動脈靭帶,解除對氣管及食道的壓迫,術後情況良好,症狀明顯改善。我們對於患有先天性嘯嗚,反覆性呼吸道感染及吞嚥困難的病患,需將主動脈弓異常列入攷慮,而食道X光攝影術可以做爲良好的診斷工具,特提出此病例報告並加以討論。

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並列摘要


A case of double aortic arch is reported. The male patient, 11-month-old, had breathed with a constant stridor his birth and frequent attacks of respiratory tract infection and dyspnea. The child was admitted because of restlessness, fever, stridor and cough. Dyspnea with cyanosis appeared later, and required intubation and mechanical ventilation. After then, three attempts to extubate the infant were made, but failed. A double aortic arch was suspected by bronchogram, esophagogram, and confirmed by cardiac catheterization. Through a left thoracotomy, the smaller left arch and the ligmentem arteriosum were divided to relieve the obstruction of trachea from the compression of the vascular ring. Postoperative convalescence was normal. Symptoms of double aortic arch vary with the degree of obstruction of the trachea and esophagus, ranging from mild to life-threatening respiratory obstruction and apnea. Inspiratory stridor, dyspnea, and wheezing, which are accentuated with feeding, crying, or respiratory infections, are characteristic clinical findings. The diagnosis is established by aid of an esophagography. Left thoracotomy, with division of the smaller aortic arch, is the only satisfactory treatment.

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