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颈动脉内膜-中膜厚度(IMT)是指颈动脉血管内膜和中膜之间的垂直距离。IMT增厚是动脉粥样硬化的早期表现,与缺血性脑血管病密切相关,也与多种血管危险因素有关,被认为是反映全身动脉粥样硬化性疾病的良好指标。临床上可借助超声检测颈动脉IMT来反映动脉粥样硬化的发生、发展或消退,并提供临床防治动脉粥样硬化的依据和疗效判断标准。
Carotid intima-media thickness (IMT) refers to the vertical distance between the carotid intima and media. IMT thickening is an early manifestation of atherosclerosis and is closely related to ischemic cerebrovascular disease and also to a variety of vascular risk factors and is considered as a good indicator of systemic atherosclerotic disease. Clinical ultrasound detection of carotid artery IMT to reflect the occurrence, development or regression of atherosclerosis, and provide clinical prevention and treatment of atherosclerosis based on the judgment criteria and efficacy.