多发性大动脉炎是一种主要累及主动脉及其重要分支的慢性非特异性炎症,导致节段性动脉管腔狭窄以致闭塞,并可继发血栓形成,肺动脉及冠状动脉亦常受累。少数患者合并动脉瘤样扩张。由于本病病因不明,临床表现复杂,故命名众多,如:主动脉弓综合征、慢性锁骨下动脉、颈动脉梗阻综合 Polyangiitis is a chronic nonspecific inflammation that primarily affects the aorta and its major branches, resulting in stenosis of the segmental arterial lumen that can cause occlusion and subsequent thrombosis. Pulmonary and coronary arteries are also frequently involved. A small number of patients with aneurysmal dilation. As the etiology of this disease is unknown, the clinical manifestations of complex, so many names, such as: aortic arch syndrome, chronic subclavian artery, carotid artery obstruction synthesis