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趾臂指数(Toe brachial index,TBI),又称趾肱指数或趾肱压力指数(Toe brachial pressure index,TBPI),是指大脚趾动脉和肱动脉收缩压的比值[1]。糖尿病是一组以慢性血糖升高为特征的代谢性疾病,发病率逐年上升,估计在我国已有超过4千万的患者[2],动脉粥样硬化(AS)是其常见并发症,可累及冠状动脉、肾动脉、脑动脉和肢体外周动脉等[2,3]。有文献报道,糖尿病是外周动脉疾病(PAD)微血管病变进展的唯一独立危险因素[4]。众所周知,血管造影是PAD诊断的金标准,但因它的创伤性、技术要
Toe brachial index (TBI), also known as toe brachial index or Toe brachial pressure index (TBPI), refers to the ratio of systolic blood pressure of the great toe and brachial arteries [1]. Diabetes mellitus is a group of metabolic diseases characterized by chronic hyperglycemia. The incidence is increasing year by year. It is estimated that there are more than 40 million patients in our country. 2 Atherosclerosis (AS) is a common complication, Involving coronary, renal artery, cerebral artery and peripheral arteries [2,3]. It has been reported in the literature that diabetes is the only independent risk factor for the progression of peripheral arterial disease (PAD) microangiopathy [4]. As we all know, angiography is the gold standard for the diagnosis of PAD, but because of its traumatic, technical