A 75-year-old man with peripheral artery disease and claudication has an ABI of 0.6. He is a non-smoker on a statin and aspirin. What additional therapy improves walking distance?
-
A
Cilostazol
-
B
Warfarin
-
C
Dipyridamole alone
-
D
Clopidogrel plus aspirin (dual antiplatelet)