15% of
adults > 55 years (ABI < 0.9)
Manifestations
Intermittent
claudication
Critical
limb ischemia
150,000
annual arterial reconstructive surgeries in US alone
Vast
majority do not undergo revascularization
Weitz,
Circulation 1996; 94:3026
Hiatt, Circulation 1995; 91:1472