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外周动脉疾病(PAD)是指周围动脉粥样斑块发展导致动脉狭窄,甚至发生闭塞,使远端组织出现相应缺血痉挛或坏死的疾病,包括一系列由供应脑部、内脏器官和肢体的动脉结构和功能改变导致的非冠状动脉系统的综合症,是动脉粥样硬化的主要表现形式之一,可表现为下肢动脉、颈动脉、肾动脉、肠系膜动脉硬化等,其中最常累及腹主动脉分叉以下的动脉,即下肢动脉粥样硬化症,表现为间歇性跛行、静息痛及坏疽等。
Peripheral arterial disease (PAD) refers to the development of peripheral atherosclerotic plaque caused by artery stenosis, or occlusion, so that the distal tissue of the corresponding ischemic spasm or necrosis of the disease, including a series of by the supply of brain, internal organs and limbs Arterial structure and function changes caused by non-coronary syndromes, is one of the main manifestations of atherosclerosis, can be manifested as lower extremity arteries, carotid arteries, renal arteries, mesentery atherosclerosis, etc., of which the most common involving the abdomen The artery below the bifurcation, the lower extremity atherosclerosis, manifested as intermittent claudication, rest pain and gangrene.