Cases reported "Aortic Arch Syndromes"

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1/5. Systemic artery--pulmonary artery communication in Takayasu's arteritis.

    Four cases of Takayasu's arteritis in which systemic artery-pulmonary artery communication is demonstrated on thoracic aortography are presented. Pulmonary arterial involvement in Takayasu's arteritis seems to be more frequent than generally appreciated (12% in the present series). Demonstration of the communication in the absence of evidence of other causes of a shunt is strongly suggestive of pulmonary artery involvement. It is not necessary to perform pulmonary angiography to confirm the involvement unless clinically indicated. It is also stressed that the presence of pulmonary artery involvement is useful to differentiate Takayasy's arteritis from arteriosclerosis.
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2/5. Homemade endovascular treatment of postoperative aortobronchial fistulas.

    Successful treatments of aortobronchial fistulas were achieved in two cases using a homemade endovascular stent graft. In one, a 75-year-old man was operated on for a distal arch aneurysm 11 years previously. In the other, a 73-year-old woman was operated on for a ruptured type B aortic dissection 2 months previously. In both cases, the chief complaint was repeated hemoptysis, and the communication between the aorta and the airway tract was at the distal anastomotic site in the descending aorta. To minimize risks associated with reoperation, endovascular stent grafting was selected electively. Postoperative courses were uneventful and there were no recurrences of hemoptysis.
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3/5. Retinal arteriovenous shunts in Takayasu disease.

    The authors followed up on a series of 24 eyes in 12 patients with Takayasu disease in its moderate to advanced stage over the past 10 years. They paid particular attention to arteriovenous shunt formation in the retina. The authors could identify two types of arteriovenous shunts based on rapid sequence fluorescein angiography. In six eyes, arteriovenous shunts had formed at arteriovenous crossings through direct communication of arterial and venous lumen in the midperipheral retina. In 22 eyes, arteriovenous shunts had formed consequent to dilation of capillaries, formation of preferential channels, and obliteration of neighboring capillaries. These two types seemed to be basic patterns of discrete arteriovenous shunts that characterize Takayasu disease in its advanced stage.
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4/5. Initial pulmonary artery involvement in takayasu arteritis.

    Although the pulmonary artery is involved in many cases of takayasu arteritis, few cases have been reported in which the pulmonary artery was initially involved. Two such cases are reported here. Both of these cases had been initially diagnosed as chronic pulmonary embolism. The importance of considering takayasu arteritis in cases of chronic pulmonary arterial obstruction of unknown cause is emphasized. Bronchial-pulmonary artery communication and coronary-bronchial artery communication in takayasu arteritis are also discussed.
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5/5. Interruption of the aortic arch, ventricular septal defect, aortic atresia and aortopulmonary fistulous communication.

    Interruption of the aortic arch in association with aortic atresia is a rare condition. We report the second case in literature in which survival was provided by an aortopulmonary fistulous communication.
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