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Peripheral Vascular Disease (cont.)

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Medications

While lifestyle changes may be enough treatment for some people with peripheral artery disease, others may require medication. Examples of medications used to treat peripheral artery disease include antiplatelet or anticlotting agents, cholesterol-lowering drugs such as statins, medications that increase blood supply to the extremities such as cilostazol (Pletal) and pentoxifylline (Trental), and medications that control high blood pressure.

  • Antiplatelet medications (such as aspirin and clopidogrel [Plavix]) make the blood platelets less likely to stick to one another to form blood clots. Low dose aspirin (81 to 325 mg/day) is usually prescribed indefinitely because it is also helpful in preventing strokes and heart attacks in patients with peripheral artery disease. Clopidogrel (Plavix) is an alternative to aspirin for those who are allergic or cannot tolerate aspirin. Antiplatelet medications also help prevent occlusion of blood vessels after angioplasty or bypass surgery.
  • Anticoagulant medications act to prevent blood clotting. Both heparin and warfarin (Coumadin) are anticoagulant medications. Anticoagulants are sometimes prescribed for people with peripheral artery disease if they are at increased risk for formation of blood clots; these agents are used much less frequently than anti platelet agents in patients with peripheral artery disease.
  • Cholesterol-lowering drugs of the statin family have been shown in numerous large clinical trials to help prevent heart attacks and strokes and prolong survival among patients with atherosclerosis. Statins have also been shown to slow the progression of peripheral artery disease, decrease arthrosclerosis in the arteries, and improve claudication symptoms.
  • Cilostazol (Pletal) is a mediation that can help increase physical activity (enabling one to walk a greater distance without the pain of claudication). Cilostazol works by causing dilation of the arteries and an increased supply of oxygenated blood to be delivered to the arms and legs. Cilostazol is recommended for some patients with claudication when lifestyle modifications and exercise are ineffective. Cilostazol should be taken on an empty stomach either a half an hour before or two hours after meals. High fat meals, grapefruit juice, and certain medications such as omeprazole (Prilosec) and diltiazem (Cardizem) can increase the absorption, and hence, the blood levels of cilostazol. Side effects are generally mild that includeheadache, diarrhea, and dizziness. Cilostazol should not be used in patients with heart failure because of concern over increased mortality in heart failure patients using medications similar to cilostazol.
  • Pentoxifylline (Pentoxyl, Trental) improves blood flow to the extremities by decreasing the viscosity ("stickiness") of blood, enabling more efficient blood flow. Side effects are fewer than with cilostazol, but its benefits are weaker and have not been conclusively proven by all studies.
  • Drugs to control hypertension may also be prescribed. Current recommendations are to treat hypertension in patients with peripheral artery disease to prevent strokes and heart attacks.
Medically Reviewed by a Doctor on 7/16/2014

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Source: MedicineNet.com
http://www.medicinenet.com/peripheral_vascular_disease/article.htm

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