下肢动脉硬化闭塞症(Peripheral atherosclerotic disease PAD)是糖尿病常见的大血管病变,是导致下肢截肢的主要原因,其发病率比非糖尿病者高20倍[1],并呈逐年上升趋势,70岁以上人群发病率达到15%-20%以上。因此早期发现、早期诊断、早期治疗及早期预防,可以有效的延缓老年2型糖尿病合并下肢动脉硬化闭塞症的进展。本文通过对老年2型糖尿病合并下肢动脉硬化闭塞组与无下 Peripheral atherosclerotic disease (PAD) is a common macrovascular disease of diabetes mellitus, which is the main cause of amputation of lower extremities. Its incidence is 20 times higher than that of non-diabetics [1], and shows a year-by-year upward trend. Over 70 years of age The incidence of the crowd reached more than 15% -20%. Therefore, early detection, early diagnosis, early treatment and early prevention can effectively delay the progress of type 2 diabetes mellitus with lower extremity arterial occlusive disease. This article through the elderly with type 2 diabetes complicated with lower extremity arteriosclerosis obliterans and without