无脉病又名主动脉弓综合征、闭塞性头臂动脉炎、多发性大动脉炎及 Takayasu 病等,可能为一种进行性的自身免疫性血管性疾病。主要表现为主动脉弓及其分枝的一种慢性进行性闭塞性全动脉炎。病变由动脉外膜开始,呈节段性地向内扩展,引起动脉管腔的狭窄或动脉瘤性扩张、血栓形成和管腔 Amebiasis, also known as aortic arch syndrome, occlusive brachial artery inflammation, polyarteritis and Takayasu disease, may be a progressive autoimmune vascular disease. Mainly for the aortic arch and its branches of a chronic progressive total arteritis. Lesions start from the adventitia and progressively expand in segments, causing stenosis or aneurysmal dilatation of the arterial lumen, thrombosis and lumen