significant medical history for PAD, MI, diabetes, hypertension
RB is a 66-year-old diabetic man with a significant medical history for PAD, MI, diabetes, hypertension, and hypercholesterolemia. His current daily medications include: clopidogrel 75 mg, benazepril 40 mg, atenolol 100 mg, exenatide 10 mcg, insulin glargine, insulin glulisine, metformin 2000 mg, and atorvastatin 10 mg. His blood pressure is well controlled and his LDL is 170 mg/dL, and a total cholesterol value of 270 mg/dL. His fasting plasma glucose = 103 mg/dL with an HbA1c = 6.7%. He doesn’t drink alcohol but smokes 1 pack of cigarettes per week x 10 years (he used to smoke 1 pack per day x 30 years but has decreased his smoking rate). He is slightly overweight and has a normal pulse, rate, and temperature. His renal function and liver function are within normal limits. Is combination antiplatelet therapy recommended for patients with peripheral arterial disease?