1. 1) Farber A and Eberhardt RT: The current state of critical limb ischemia: a systematic review. JAMA Surg, 2016; 151: 1070-1077
2. 2) Fowkes FG, Rudan D, Rudan I, Aboyans V, Denenberg JO, McDermott MM, Norman PE,Sampson UK, Wil liams LJ, Mensah GA, and Criqui MH: Comparison of global estimates of prevalence and risk factors for peripheral artery disease in 2000 and 2010: a systematic review and analysis. Lancet, 2013; 382: 1329-1340
3. 3) Sachs T, Pomposelli F, Hamdan A, Wyers M, and Schermerhorn M: Trends in the national outcomes and costs for claudication and limb threatening ischemia: angioplasty vs bypass graft. J Vasc Surg, 2011; 54: 1021-1031
4. 4) Joo HJ, Cho SA, Cho JY, Lee S, Park JH, Hwang SH, Hong SJ, Yu CW, and Lim DS: Brachial-ankle pulse wave velocity is associated with composite carotid and coronary atherosclerosis in a middle-aged asymptomatic population. J Atheroscler Thromb, 2016; 23: 1033-1046
5. 5) McDermott MM, Fried L, Simonsick E, Ling S, and Guralnik JM: Asymptomatic peripheral arterial disease is independently associated with impaired lower extremity functioning: the women’s health and aging study. Circulation, 2000; 101: 1007-1012